7600 VHF/UHF Service Manual

First PrintingNovember 1998

761x (VHF)764x (UHF)Conventional Mobile

VHF 146-174 MHz45 WattsPart No. 242-7610-0xx

UHF 400-430, 450-470, 470-490, 490-512 MHz

35 WattsPart No. 242-7640-0xx

Service Manual

761x (VHF)764x (UHF)

CONVENTIONALFM TWO-WAY RADIO

VHF 146-174 MHz45 Watts

UHF 400-430, 450-470, 470-490, or 490-512 MHz35 Watts

Copyright© 1998 by Transcrypt International Incorporated

Transcrypt offers communication solutions in two core areas: land mobile radio products and systems, and information security. EFJohnson land mobile radios and systems pro-vides wireless communication for a variety of markets including government, public safety, and commercial users. Transcrypt’s information security devices utilize sophisticated scrambling and encryption techniques to protect sensitive voice and data transmissions.

Viking Head/EFJohnson logo and Call Guard® are registered trademarks of Transcrypt International Incorporated. Smartrunk II™ is a trademark of Smartrunk Systems Inc. All other company and/or product names used in this manual are trademarks and/or regis-tered trademarks of their respective manufacturer.

Information in this manual is subject to change without notice.

TABLE OF CONTENTS

iiNovember 1998Part No. 001-7600-001

1 GENERAL INFORMATION

1.1 SCOPE OF MANUAL . . . . . . . . . . . . . . . . . . . .1-11.2 TRANSCEIVER DESCRIPTION . . . . . . . . . . .1-1

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11.3 PRODUCT WARRANTY . . . . . . . . . . . . . . . . .1-11.4 PART NUMBER BREAKDOWN . . . . . . . . . . .1-11.5 TRANSCEIVER IDENTIFICATION . . . . . . . . .1-11.6 ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . .1-11.7 FACTORY CUSTOMER SERVICE. . . . . . . . .1-11.8 FACTORY RETURNS . . . . . . . . . . . . . . . . . . . .1-21.9 REPLACEMENT PARTS . . . . . . . . . . . . . . . . .1-31.10 INTERNET HOME PAGE . . . . . . . . . . . . . . . . .1-3

2 INSTALLATION AND DISASSEMBLY

2.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1Scope of Instructions. . . . . . . . . . . . . . . . . . . . . . 2-1Performance Tests. . . . . . . . . . . . . . . . . . . . . . . . 2-1Transceiver Programming. . . . . . . . . . . . . . . . . . 2-1Power Source . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.2 TRANSCEIVER INSTALLATION . . . . . . . . . .2-1Selecting Mounting Location . . . . . . . . . . . . . . . 2-1Installing Mounting Bracket . . . . . . . . . . . . . . . . 2-2Installing Microphone Hanger . . . . . . . . . . . . . . 2-2

2.3 POWER CABLE INSTALLATION . . . . . . . . .2-2General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2Cable Installation . . . . . . . . . . . . . . . . . . . . . . . . 2-2Power Cable Fuses . . . . . . . . . . . . . . . . . . . . . . . 2-3

2.4 USING AN EXTERNAL SPEAKER . . . . . . . .2-32.5 ACCESSORY CABLE INSTALLATION . . . .2-32.6 TRANSCEIVER DISASSEMBLY . . . . . . . . . .2-42.7 2-TONE/5-TONE MODULE

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . .2-5Installation Procedure . . . . . . . . . . . . . . . . . . . . . 2-52-Tone Programming . . . . . . . . . . . . . . . . . . . . . 2-55-Tone Programming . . . . . . . . . . . . . . . . . . . . . 2-5

3 OPERATION

3.1 FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-13.2 CONTROLS AND DISPLAY . . . . . . . . . . . . . .3-2

Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . 3-2Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

3.3 BASIC OPERATION . . . . . . . . . . . . . . . . . . . . .3-2Turning Power On and Off . . . . . . . . . . . . . . . . . 3-2Entering a Password . . . . . . . . . . . . . . . . . . . . . . 3-3Volume Level Adjustment . . . . . . . . . . . . . . . . . 3-3Power-On Menu . . . . . . . . . . . . . . . . . . . . . . . . . 3-3Channel Selection . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Adjusting Squelch Level . . . . . . . . . . . . . . . . . . . 3-3Bank Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Automatic Scan Enable . . . . . . . . . . . . . . . . . . . . 3-4Backlight On-Off. . . . . . . . . . . . . . . . . . . . . . . . . 3-4Beep On-Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

3.4 RECEIVING AND PLACING CALLS . . . . . . 3-4Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Receiving a Call . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Placing a Call . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Monitoring Before Transmitting . . . . . . . . . . . . . 3-4Time-Out Timer . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

3.5 PROGRAMMABLE FUNCTIONS . . . . . . . . . 3-5Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5Backlight On-Off. . . . . . . . . . . . . . . . . . . . . . . . . 3-5Bank Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5Beep On-Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5Call Guard Tone Select . . . . . . . . . . . . . . . . . . . . 3-6Channel Select. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6DTMF Number Select . . . . . . . . . . . . . . . . . . . . . 3-6Emergency Key . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6Lock Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6Monitor Mode Select. . . . . . . . . . . . . . . . . . . . . . 3-6Output Power Select . . . . . . . . . . . . . . . . . . . . . . 3-6Priority Channel Select . . . . . . . . . . . . . . . . . . . . 3-6Receive Attenuate . . . . . . . . . . . . . . . . . . . . . . . . 3-6Scan Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6Scan List Programming. . . . . . . . . . . . . . . . . . . . 3-7Talk-Around Select . . . . . . . . . . . . . . . . . . . . . . . 3-72-Tone Calling Features . . . . . . . . . . . . . . . . . . . 3-75-Tone Calling Features . . . . . . . . . . . . . . . . . . . 3-7Wide/Narrow Band Select. . . . . . . . . . . . . . . . . . 3-7

3.6 CHANNEL SCAN . . . . . . . . . . . . . . . . . . . . . . . 3-7Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7Scan Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7Priority Channel Sampling . . . . . . . . . . . . . . . . . 3-8

4 PROGRAMMING

4.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1Programming Setup. . . . . . . . . . . . . . . . . . . . . . . 4-1Programming Cables . . . . . . . . . . . . . . . . . . . . . . 4-1Programming Software . . . . . . . . . . . . . . . . . . . . 4-1

4.2 STARTING THE PROGRAM . . . . . . . . . . . . . 4-24.3 SPECIAL KEYS AND FUNCTIONS . . . . . . . 4-24.4 MENU FLOW . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2File Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2Screen Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3Program Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3Print Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3Model Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3Setup menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

TABLE OF CONTENTS (CONT’D)

iiiNovember 1998

Part No. 001-7600-001

4.5 UNIQUE PMR (EUROPEAN) SCREENS . .4-15General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15Unique PMR Screens . . . . . . . . . . . . . . . . . . . . 4-15

4.6 CLONING (PROGRAMMING ONE TRANSCEIVER WITH ANOTHER) . . . . .4-16

5A VHF (7610) CIRCUIT DESCRIPTION

5.1 VHF RECEIVER CIRCUIT . . . . . . . . . . . . . . . .5-1Antenna Switching Circuit . . . . . . . . . . . . . . . . . 5-1RF Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1First Mixer And First IF Circuits . . . . . . . . . . . . 5-1Second IF and Demodulator Circuits . . . . . . . . . 5-1Audio Amplifier Circuit . . . . . . . . . . . . . . . . . . . 5-2Receiver Mute Circuit . . . . . . . . . . . . . . . . . . . . 5-2

5.2 VHF TRANSMITTER CIRCUIT . . . . . . . . . . . .5-3Microphone Amplifier Circuit . . . . . . . . . . . . . . 5-3Modulation Circuit . . . . . . . . . . . . . . . . . . . . . . . 5-3Transmit Driver Circuit . . . . . . . . . . . . . . . . . . . 5-3Power Amplifier Module . . . . . . . . . . . . . . . . . . 5-3APC Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

5.3 VHF PLL CIRCUIT . . . . . . . . . . . . . . . . . . . . . .5-4PLL Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4VCO Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

5.4 VHF IC PIN DESCRIPTIONS . . . . . . . . . . . . .5-5VHF Power Supply. . . . . . . . . . . . . . . . . . . . . . . 5-5VHF CPU IC1 Port Allocation. . . . . . . . . . . . . . 5-5VHF I/O Expander IC5 (Main Unit) . . . . . . . . . 5-6VHF Port Expander IC11 (Main Unit) . . . . . . . . 5-6

5B UHF (7640) CIRCUIT DESCRIPTION

5.5 UHF RECEIVER CIRCUIT . . . . . . . . . . . . . . . .5-7Antenna Switching Circuit . . . . . . . . . . . . . . . . . 5-7RF Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7First Mixer And First IF Circuits . . . . . . . . . . . . 5-7Second IF and Demodulator Circuits . . . . . . . . . 5-7Audio Amplifier Circuit . . . . . . . . . . . . . . . . . . . 5-8Receiver Mute Circuit . . . . . . . . . . . . . . . . . . . . 5-8

5.6 UHF TRANSMITTER CIRCUIT . . . . . . . . . . . .5-9Microphone Amplifier Circuit . . . . . . . . . . . . . . 5-9Modulation Circuit . . . . . . . . . . . . . . . . . . . . . . . 5-9Transmit Driver Circuit . . . . . . . . . . . . . . . . . . . 5-9Power Amplifier Module . . . . . . . . . . . . . . . . . . 5-9APC Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10

5.7 UHF PLL CIRCUIT . . . . . . . . . . . . . . . . . . . . .5-10PLL Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10VCO Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11UHF Power Supply. . . . . . . . . . . . . . . . . . . . . . 5-11UHF CPU IC1 Port Allocation. . . . . . . . . . . . . 5-11UHF I/O Expander IC12 (Main Unit) . . . . . . . 5-12UHF Port Expander IC13 (Main Unit) . . . . . . . 5-12

6 ADJUSTMENT PROCEDURE

6.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1Suggested Test Equipment . . . . . . . . . . . . . . . . . 6-1Test Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2Test Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2Computer-Aided Tuning. . . . . . . . . . . . . . . . . . . 6-3Reprogramming if EEPROM is Replaced or

Error Occurs . . . . . . . . . . . . . . . . . . . . . . . . . 6-46.2 PRELIMINARY SETUP . . . . . . . . . . . . . . . . . . .6-46.3 PLL ADJUSTMENT (VHF MODELS) . . . . . . .6-46.4 TRANSMITTER ADJUSTMENTS

(VHF MODELS) . . . . . . . . . . . . . . . . . . . . . . . .6-4Reference Frequency . . . . . . . . . . . . . . . . . . . . . 6-4Output Power Adjust. . . . . . . . . . . . . . . . . . . . . . 6-5FM Deviation Adjust . . . . . . . . . . . . . . . . . . . . . 6-5DTCS Waveform Adjust. . . . . . . . . . . . . . . . . . . 6-6

6.5 RECEIVER ADJUSTMENTS (VHF MODELS) . . . . . . . . . . . . . . . . . . . . . . .6-6

Bandpass Filter Adjust . . . . . . . . . . . . . . . . . . . . 6-6Squelch Adjust . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6Beep Tone Level . . . . . . . . . . . . . . . . . . . . . . . . . 6-7

6.6 PLL ADJUSTMENT (UHF MODELS) . . . . . .6-86.7 TRANSMITTER ADJUSTMENTS

(UHF MODELS). . . . . . . . . . . . . . . . . . . . . . . .6-8Reference Frequency . . . . . . . . . . . . . . . . . . . . . 6-8Output Power Adjust. . . . . . . . . . . . . . . . . . . . . . 6-8FM Deviation Adjust . . . . . . . . . . . . . . . . . . . . . 6-8DTCS Waveform Adjust. . . . . . . . . . . . . . . . . . . 6-9

6.8 RECEIVER ADJUSTMENTS (UHF MODELS). . . . . . . . . . . . . . . . . . . . . . .6-10

Bandpass Filter Adjust . . . . . . . . . . . . . . . . . . . 6-10Squelch Adjust . . . . . . . . . . . . . . . . . . . . . . . . . 6-10Beep Tone Level . . . . . . . . . . . . . . . . . . . . . . . . 6-10

7 PARTS LIST

VHF (761x) ModelsMain Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1Front Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-18Chassis Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-20Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . .7-21

UHF (764x) ModelsMain Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-8Front Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-18Chassis Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-20Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . .7-22

TABLE OF CONTENTS (CONT’D)

ivNovember 1998Part No. 001-7600-001

8 SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS

VHF (761x) Models

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1Transistor and Diode Basing. . . . . . . . . . . . . . . . .8-2Main Unit Board Bottom View. . . . . . . . . . . . . . .8-3Main Unit Board, Top View . . . . . . . . . . . . . . . . .8-4Main Unit Schematic . . . . . . . . . . . . . . . . . . . . . .8-5Front Unit PC Board . . . . . . . . . . . . . . . . . . . . . .8-10Front Unit Schematic . . . . . . . . . . . . . . . . . . . . .8-11

UHF (764x) Models

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .8-6Transistor and Diode Basing. . . . . . . . . . . . . . . .8-12Main Unit Board Bottom View. . . . . . . . . . . . . . .8-7Main Unit Board, Top View . . . . . . . . . . . . . . . . .8-8Main Unit Schematic . . . . . . . . . . . . . . . . . . . . . .8-9Front Unit PC Board . . . . . . . . . . . . . . . . . . . . . .8-10Front Unit Schematic . . . . . . . . . . . . . . . . . . . . .8-11

LIST OF TABLES

1-1 75xx Accessories . . . . . . . . . . . . . . . . . . . . . . . .1-23-1 Option Key Programmable Functions . . . . . . . .3-54-1 Memory Channel Screen Description

(LMR Models) . . . . . . . . . . . . . . . . . . . . . . . . . . .4-44-2 Key and Display Assign Screen Description . . .4-74-3 DTMF Autodial Screen Description . . . . . . . . . .4-94-4 Continuous Tone Screen Description . . . . . . . .4-104-5 Scan Function Screen Description . . . . . . . . . .4-104-6 2-Tone Code Channel Screen Description . . . .4-114-7 Common Screen Description . . . . . . . . . . . . . .4-134-8 Expert Screen Description . . . . . . . . . . . . . . . .4-146-1 VHF Test Frequencies . . . . . . . . . . . . . . . . . . . . .6-36-2 UHF Test Frequencies . . . . . . . . . . . . . . . . . . . . .6-3

LIST OF FIGURES

2-1 Installation Components . . . . . . . . . . . . . . . . . . 2-12-2 Mounting Bracket Installation. . . . . . . . . . . . . . 2-22-3 Accessory Cable Installation. . . . . . . . . . . . . . . 2-32-4 Cover and Front Panel Removal . . . . . . . . . . . . 2-42-5 PC Board Screws. . . . . . . . . . . . . . . . . . . . . . . . 2-42-6 Removing PC Board . . . . . . . . . . . . . . . . . . . . . 2-42-7 2/5-Tone Module Installation . . . . . . . . . . . . . . 2-53-1 7600 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . 3-14-1 Programming Setup. . . . . . . . . . . . . . . . . . . . . . 4-14-2 Memory Channel Screen (PMR Models) . . . . 4-175-1 Second IF System IC3 (VHF) . . . . . . . . . . . . . . 5-25-2 Audio Switching and Amplifier Circuit (VHF) 5-25-3 PLL Circuit (VHF) . . . . . . . . . . . . . . . . . . . . . . 5-45-4 Second IF System IC1 (UHF) . . . . . . . . . . . . . . 5-85-5 Audio Switching and Amplifier Circuit (UHF) 5-85-6 PLL Circuit (UHF) . . . . . . . . . . . . . . . . . . . . . 5-106-1 Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16-2 Screen Display Example . . . . . . . . . . . . . . . . . . 6-26-3 Test Cable Schematic . . . . . . . . . . . . . . . . . . . . 6-26-4 VHF Adjustment Points . . . . . . . . . . . . . . . . . . 6-56-5 Beep Tone Level Adjustment . . . . . . . . . . . . . . 6-76-6 UHF Adjustment Points . . . . . . . . . . . . . . . . . . 6-9

1-1November 1998

Part No. 001-7600-001

GENERAL INFORMATION

SECTION 1 GENERAL INFORMATION

1.1 SCOPE OF MANUAL

This service manual contains operation, installa-tion, programming, alignment, and service information for the EFJohnson® 7610 and 7640 mobile transceiv-ers.

1.2 TRANSCEIVER DESCRIPTION

1.2.1 GENERAL

The 7600-series mobile transceivers operate on conventional (non-trunked) channels. The 7610 oper-ates in the VHF frequency range of 146-174 MHz, and the 7640 operates in the UHF frequency range of 400-430, 450-470, 470-490, or 488-512 MHz. Up to 32 channels can be programmed. Power output is user selectable or fixed for the following levels. Refer to Section 3.1 for more information on features.

Model High Low 1 Low 2

7610 (VHF) 45W 25W 4.5W7640 (UHF) 35W 20W 3.5W

These transceivers are digitally synthesized and microprocessor controlled. Transceiver programming is performed using a PC-compatible computer, a spe-cial EFJohnson programming cable, and program-ming software (see Table 1-1). The alignment proce-dure is performed using this same hardware setup, a fabricated test cable, and special Adjust software included with the programming software (see Section 4).

1.3 PRODUCT WARRANTY

The warranty statement for this transceiver is available from your product supplier or from the War-ranty Department, EFJohnson, 299 Johnson Avenue, P.O. Box 1249, Waseca, MN 56093-0514. This infor-mation may also be requested from the Warranty Department by phone as described in Section 1.7. The Warranty Department may also be contacted for War-ranty Service Reports, claim forms, or any other ques-tions concerning warranties or warranty service.

1.4 PART NUMBER BREAKDOWN

The following is a breakdown of the part number used to identify this transceiver.

1.5 TRANSCEIVER IDENTIFICATION

The transceiver identification number is printed on a label that is attached to the chassis. The following information is contained in the identification number:

1.6 ACCESSORIES

The accessories available for this transceiver are listed in Table 1-1.

1.7 FACTORY CUSTOMER SERVICE

The Customer Service Department of EFJohnson provides customer assistance on technical problems and the availability of local and factory repair facili-ties. Regular Customer Service hours are 7:30 AM. -

242 - 7 6 x x - 0 x x

BandConfig.

Freq Range0 = Half duplex, dualIF, high power

1 = VHF4 = UHF

0 = Full band1 = 400-430 (UHF)3 = 146-174 (VHF) 450-470 (UHF)4 = 470-490 (UHF)5 = 488-512 (UHF)

2 = Std mic3 = With DTMF

mic7 = w/o mic

NOTE: Not all configurations are available.

Type

Signaling0 = Conventional only

76xx 0 A 23 8 J 12345

Model RevisionLetter

ManufactureDate

WarrantyNumber

Week No.of Year Last Digit of Year

J = Japan8th Digitof P.N.

PlantFrom P.N.

GENERAL INFORMATION

1-2November 1998Part No. 001-7600-001

5:30 PM. Central Time, Monday - Friday. The Customer Service Department can be reached using one of the following telephone numbers:

Toll-Free: (800) 328-3911(From within continental United States only)

International: (507) 835-6911

FAX: (507) 835-6969

E-Mail: First Initial/Last [email protected] (You need to know the name of the person you want to reach. Example: [email protected])

NOTE: Emergency 24-hour technical support is also available at the 800 and preceding numbers during off hours, holidays, and weekends.

When your call is answered at EFJohnson, you will hear a brief message informing you of numbers that can be entered to reach various departments. This number may be entered during or after the message using a tone-type telephone. If you have a pulse-type telephone, wait until the message is finished and an operator will come on the line to assist you. When you enter some numbers, another number is requested to further categorize the type of information you need.

You may also contact the Customer Service Department by mail. Please include all information that may be helpful in solving your problem. The mail-ing address is as follows:

EFJohnsonCustomer Service Department 299 Johnson Avenue P.O. Box 1249 Waseca, MN 56093-0514

1.8 FACTORY RETURNS

Repair service is normally available through local authorized EFJohnson Land Mobile Radio Service Centers. If local service is not available, the equipment can be returned to the factory for repair. However, it is recommended that you contact the Customer Service Department before returning equipment because a ser-vice representative may be able to suggest a solution

to the problem so that return of the equipment would not be necessary.

Be sure to fill out a Factory Repair Request Form #271 for each unit to be repaired, whether it is in or out of warranty. These forms are available free of charge by calling Customer Service (see Section 1.7) or by requesting them when you send a unit in for repair. Clearly describe the difficulty experienced in the space provided and also note any prior physical damage to the equipment. Then include a form in the shipping container with each unit. Your telephone number and contact name are important because there are times when the technicians have specific questions that need to be answered in order to completely iden-tify and repair a problem.

When returning equipment for repair, it is also a good idea to use a PO number or some other reference number on your paperwork in case you need to call the repair lab about your unit. These numbers are refer-enced on the repair order and it makes it easier and faster to locate your unit in the lab.

Table 1-1 75xx Accessories

Accessory Part No.

Mounting bracket 585-7600-040

DC cable assembly 585-7600-029

Mounting screws and fuses 585-7600-041

Microphone hanger 023-3514-001

Mic hanger ground wire 023-7171-911

Function name stickers 585-7600-042

Microphone, standard 585-7600-020

Microphone, DTMF 585-7600-022

2-Tone/5-tone module kit 585-7600-026

5”, 4.7-ohm, 15W external speaker 250-0151-010

Compact speaker 585-7600-023

Accessory/data cable (DB-9 connector) 585-7600-027

Programming Accessories

Programming software, 3-1/2 disk 585-7600-030

Programming cable, computer-adapter 585-7500-031

Adapter cable, prog cable-xcvr 585-7600-031

Replication (cloning) cable 597-2002-200

DB-9 M to DB-25 F adapter 515-9000-015

GENERAL INFORMATION

1-3November 1998

Part No. 001-7600-001

Return Authorization (RA) numbers are not nec-essary unless you have been given one by the Field Service Department. RA numbers are required for exchange units or if the Field Service Department wants to be aware of a specific problem. If you have been given an RA number, reference this number on the Factory Repair Request Form sent with the unit. The repair lab will then contact the Field Service Department when the unit arrives.

1.9 REPLACEMENT PARTS

Replacement parts can be ordered directly from the Service Parts Department. To order parts by phone, dial the toll-free number as described in Section 1.7. When ordering, please supply the part number and quantity of each part ordered. EFJohnson dealers also need to give their account number. If there is uncertainty about the part number, include the desig-

nator (C512, for example) and the model number of the equipment the part is from.

You may also send your order by mail or FAX. The mailing address is as follows and the FAX number is shown in Section 1.7.

EFJohnsonService Parts Department 299 Johnson Avenue P.O. Box 1249 Waseca, MN 56093-0514

1.10 INTERNET HOME PAGE

EFJohnson has a site on the World Wide Web that can be accessed for information on the company and such things as products, systems, and regulations. The address is http://www.efjohnson.com.

GENERAL INFORMATION

1-4November 1998Part No. 001-7600-001

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GENERAL INFORMATION

1-5November 1998

Part No. 001-7600-001

7610 (VHF) AND 7640 (UHF) MOBILE SPECIFICATIONS

The following are general specifications intended for use in testing and servicing this transceiver. For current advertised specifications, refer to the specification sheet available from your sales representative. Values are typical and are subject to change without notice.

GENERAL

Frequency Range VHF: 146-174 MHzUHF: 400-430 MHz, 450-470 MHz, 470-490 MHz, or 488-512 MHz (someperformance degradation from 488-490 MHz with 488-512 MHz models)

Operating Modes Conventional (non-trunked), Tone and digital Call Guard® squelchChannels 32 maximum (2 banks x 16 channels available)Transmit/Receive Separation Any frequency within the rangeChannel Spacing (dual IF Models) VHF - 12.5 kHz (narrow band) and 30 kHz (wideband)

UHF - 12.5 kHz (narrow band) and 25 kHz (wideband)Maximum Deviation 12.5/15 kHz channel spacing - 2.5 kHz maximum

25 kHz channel spacing - 5.0 kHz maximumFrequency Stability 5.0 PPM (VHF), 2.5 PPM (UHF) from –22° to +140° F (–30° to +60° C)Dimensions (w/o controls) 1.6” H x 5.5” W x 6.7” D (4.1 cm x 13.9 cm x 17.0 cm) Weight 2 lb. 11 oz. (1.22 kg) Supply Voltage 13.6 volts DC nominal (12-volt, negative ground vehicle electrical system)Current Drain (maximum) Standby - 200 mA standby

Receive (rated audio out) - 700 mAMedium Tx Power - 6.0 A (VHF), 7.0 A (UHF)High Tx Power - 15 A max/10 A typ (VHF), 11 A max/8 A typ (UHF)

FCC Compliance Parts 15 and 90RECEIVER

Sensitivity (12 dB SINAD) 0.25 µVSelectivity 70 dB at 25 kHz, 60 dB at 12.5 kHzSpurious and Image Rejection 70 dBIntermodulation 65 dBHum and Noise 46 dB at 25 kHz, 40 dB at 12.5 kHzMaximum Frequency Spread Any spread within the rangeAudio Power Output 3.5 W into 4-ohm loadAudio Distortion Less than 10% at 1 kHz with 60% deviationAudio Response +2, –8 dB at 6 dB per octave de-emphasisRF Input Impedance 50 ohms

TRANSMITTER

RF Power Output VHF: 45W (high), 25W (low 1), 4.5W (low 2)UHF: 35W (high), 20W (low 1), 3.5W (low 2)

Spurious and Harmonic Emissions 70 dBFM Hum and Noise 46 dB at 25 kHz, 40 dB at 12.5 kHzAudio Modulation 12.5 kHz - 11K0F3E, 25 kHz - 16K0F3EAudio Distortion Less than 5% at 1 kHz with 40% modulationAudio Frequency Response +2, –8 dB at 6 dB per octave pre-emphasisMaximum Frequency Spread Any spread within the bandRF Output Impedance 50 ohmsDuty Cycle 20% TIA

GENERAL INFORMATION

1-6November 1998Part No. 001-7600-001

NOTES

2-1November 1998

Part No. 001-7600-001

INSTALLATION AND DISASSEMBLY

SECTION 2 INSTALLATION AND DISASSEMBLY

Figure 2-1 Installation Components

Optional Accessory CableP.N. 585-7600-027

DB-9 Female

Optional External SpeakerP.N. 250-0151-010

10-Ft. Power Cable

Red (+)

Black (–)

20A Fuses

External Spkr Jack

UHF-TypeAnt Jack

2.1 GENERAL

2.1.1 SCOPE OF INSTRUCTIONS

Since each installation is somewhat unique, the following installation instructions are intended only as a general guide to installing this transceiver.

2.1.2 PERFORMANCE TESTS

Although each transceiver is carefully tested at the factory before shipment, it is good practice to ver-ify proper operation before it is placed in service. Important checks are receiver sensitivity and transmit-ter frequency, deviation, and power output.

2.1.3 TRANSCEIVER PROGRAMMING

The transceiver needs to be programmed before it is placed in service. Programming instructions are located in Section 4. Transceivers normally contain

factory test channels and other test parameters when they are shipped. The included labels should be attached to the option keys to indicate the function.

2.1.4 POWER SOURCE

This transceiver must be connected to a nominal 12 VDC, negative ground vehicle electrical system (negative battery terminal connected directly to the chassis). If the vehicle has some other type of electri-cal system, a suitable voltage converter is required.

2.2 TRANSCEIVER INSTALLATION

2.2.1 SELECTING MOUNTING LOCATION

This transceiver is designed for mounting in a location within convenient reach of the operator such as the dash, console, or floor. Since the mounting loca-tion can affect safe operation of the vehicle, observe the following precautions:


2-2November 1998Part No. 001-7600-001

Figure 2-2 Mounting Bracket Installation

WARNING

• Do not mount the transceiver where it may inter-fere with the operation of vehicle controls.

• Do not mount the transceiver where the user can-not easily reach the controls and view the display.

• Do not mount the transceiver where it may cause additional injury in case of an accident.

• Air bags inflate with great force. Therefore, do not mount this transceiver in the deployment area of an air bag. In addition, do not place other objects in the deployment area or other locations where they could unintentionally move into the deployment area.

2.2.2 INSTALLING MOUNTING BRACKET

Check the area behind the intended mounting location for wiring, brake and gas lines, or other com-ponents that could be damaged when the mounting screws are installed. Then install the bracket and trans-ceiver as shown in Figure 2-2. Both standard and self-tapping screws are included for installing the bracket.

2.2.3 INSTALLING MICROPHONE HANGER

Install the included microphone hanger in a con-venient location. For proper operation of functions such as monitoring and scanning, the hanger may need to be connected to chassis ground. If required, ground the hanger using the included grounding wire.

2.3 POWER CABLE INSTALLATION

2.3.1 GENERAL

It is recommended that both wires of the power cable be connected directly to the vehicle battery. Con-nection of either wire to other points may result in increased interference from the vehicle’s electrical system. If noise is still a problem, try installing a noise filter.

2.3.2 CABLE INSTALLATION

1. Before starting power cable installation, it is good practice to remove the negative cable from the bat-tery to prevent damage from accidental short circuits.


2-3November 1998

Part No. 001-7600-001

2. Route the red and black wires from the transceiver to the battery. Connect the red wire to the positive (+) terminal and the black wire to the negative (–) terminal.

3. Plug the cable into the pigtail coming from the trans-ceiver and reconnect the negative battery cable.

4. Install the antenna according to the manufacturer’s instructions. The transceiver has a standard UHF connector. Check VSWR. Reflected power should be less than 4% of forward power (VSWR less than 1.5 to 1).

2.3.3 POWER CABLE FUSES

Each power cable wire is protected by a 20-ampere fuse. These fuses are inspected and changed as shown below. If a fuse blows, locate the cause if possi-ble and replace it with one of the same rating.

Changing 20-Ampere Power Cable Fuses

2.4 USING AN EXTERNAL SPEAKER

An external speaker can be plugged into the external speaker jack on the back of the transceiver. This speaker should have an impedance of 4-8 ohms and a power handling capability of at least 3.5 watts. The internal speaker is automatically disabled when a speaker is plugged into this jack. The external speaker jack is a standard 1/8-inch, two-conductor phone jack.

2.5 ACCESSORY CABLE INSTALLATION

Optional Accessory Cable, Part No. 585-7600-027, can be used for connecting accessories such a horn alert or modem to the transceiver. It also has an

input that can be used to control the backlight (see Section 3.3.9). This cable is installed as shown in Figure 2-3.

This cable has a standard DB-9 female connector for interfacing to external equipment. The pin number-ing and functions are as follows:

Figure 2-3 Accessory Cable Installation

DB-9 Pin Function

1 LCD backlight control in

2 AF out

3 Detected AF out

4 Modulation in

5 PTT control in

6 Horn drive control out

7 AF ground

8 Detected AF ground

9 Modulation ground

DB-9 Female ConnectorOutside View


2-4November 1998Part No. 001-7600-001

2.6 TRANSCEIVER DISASSEMBLY

Removing Bottom Cover and Front Panel

1. Remove the bottom cover by removing four screws (A) as shown in Figure 2-4.

2. Remove the front panel by removing two screws (B).

Figure 2-4 Cover and Front Panel Removal

Removing PC Board

3. Remove ten screws (C) and two clips (D) as shown in Figure 2-5.

4. Remove shield (E).

5. Unsolder the antenna connector at three points (F).

6. Lift the front of the PC board assembly as shown in Figure 2-6 and pull it out.

Figure 2-5 PC Board Screws

Figure 2-6 Removing PC Board


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Part No. 001-7600-001

2.7 2-TONE/5-TONE MODULE INSTALLATION

2.7.1 INSTALLATION PROCEDURE

1. Turn power off and disconnect the power cable.

2. Remove the bottom cover by removing the four screws (A) shown in Figure 2-5.

3. Install the module as shown in Figure 2-7. The included foam pad is not used with this transceiver.

Figure 2-7 2/5-Tone Module Installation

2.7.2 2-TONE PROGRAMMING

Program the transceiver for operation with a two-tone decoder as described in Section 4. Screens that need to be programmed with two-tone decoder infor-mation are as follows. Refer to on-line help for more information on parameters in these screens (press F1 with parameter selected).

Model Menu - “LMR” must be selected (see Section 4.4.6).

Screen Menu - Select “2Tone Code CH” and program the information in the screen (see Table 4-6).

Screen Menu - Select “Memory Channel” and pro-gram the information under “2Tone Dec” for each channel on which the decoder will be used (see Table 4-1).

Screen Menu - Select “Key & Display Assign” and program an option key or the microphone hanger for the monitor function so that the decoder can be re-activated when the call is complete (see Table 4-2).

2.7.3 5-TONE PROGRAMMING

Program the transceiver for operation with a five-tone module as described in Section 4. Screens that need to be programmed with five-tone decoder infor-mation are as follows. Refer to on-line help for infor-mation on parameters in these screens (press F1 with parameter selected).

Model Menu - “PMR” must be selected (see Section 4.4.6).

Select the following in the Screen Menu:

• “Rx Code CH” and program the information in the screen (see Section 4.5.2).

• “Tx Code CH” and program the information in the screen (see Section 4.5.2).

• “User Tone” and program the information in the screen (see Section 4.5.2).

• “Memory CH” and program the parameters in this screen that are related to 5-tone operation on the channel (see Figure 4-2).

NOTE: If performing the deviation adjustment in the next section, the long tone must be turned on in RPT/STN/ID on the Memory Channel screen.

• “Key & Display Assign” and program Tx Code and Call switches for use in transmitting 5-tone codes.

Setting 5-Tone Deviation

The only adjustment on the 2/5-tone module is a potentiometer for setting the transmit tone deviation for 5-tone operation. This control is factory preset and should not require readjustment in the field. However, if adjustment is required, proceed as follows:


2-6November 1998Part No. 001-7600-001

1. Monitor the transmit signal with a communications monitor. Set it for HPF = Off, LPF = 20 kHz, De-emphasis = Off, and Level = (P-P)/2.

2. Select a channel near the center of the band and turn a long tone on (see preceding “NOTE”) by pressing the appropriate front panel key.

3. Adjust potentiometer R18 (DEV) on the module for the following deviation:

25 kHz Channel Spacing - ±3.5 kHz 20 kHz Channel Spacing - ±2.8 kHz12.5 kHz Channel Spacing - ±1.7 kHz

4. Check channels on each end of the operating band to make sure deviation is within the following limits. If not, repeat preceding adjustment.

25 kHz Channel Spacing - ±3.0 to 5.0 kHz 20 kHz Channel Spacing - ± 2.4 to 4.0 kHz12.5 kHz Channel Spacing - ±1.5 to 2.5 kHz

NOTE: It is recommended that scanning not be used with these options because in may cause part or all of the tone burst to be missed.

3-1November 1998

Part No. 001-7600-001

OPERATION

SECTION 3 OPERATION

Figure 3-1 7600 Front Panel

3.1 FEATURES

• Up to 32 channels programmable

• Multi-tone (CTCSS) and/or Multi-code (CDCSS) Call Guard® squelch programmable

• VHF and UHF, wideband and narrowband models available

• Up to 45 watts VHF and 35 watts UHF transmitter power output

• Seven-character alphanumeric display with back-light

• Six programmable option keys

• Busy indicator

• Normal and priority scan to ensure that calls are not missed

• Up to five different user programmable scan lists selectable

• Bank select available (up to two banks with sixteen channels each)

• User selectable power output available

• DTMF microphone optional

• 2-tone/5-tone signaling optional

NOTE: Some of the preceding features are available only if programmed.

Programmable Option Switches PowerSwitch

VolumeDown

VolumeUp

TransmitIndicator

BusyIndicator

BellIndicator

MonitorIndicator

ChannelUp*

ChannelDown*

AlphanumericDisplay

MicrophoneConnector

Scan ListIndicator

* The Channel Up/Down switches can also be programmed for other functions.

OPERATION

3-2November 1998Part No. 001-7600-001

3.2 CONTROLS AND DISPLAY

3.2.1 FRONT PANEL CONTROLS

Power Switch ( ) - Press this switch to turn power on and press and hold it to turn power off. The trans-ceiver may be programmed so that a password must be entered to allow operation. Refer to Section 3.3.2 for more information.

Volume Up/Down Keys ( ) - Adjust the vol-ume level up or down in up to 32 steps. The minimum selectable volume level can be set as described in Section 3.3.3.

Up/Down Keys ( ) - These keys may be pro-grammed to select the next higher or lower channel or for other functions. Refer to the descriptions in Section 3.5 for more information.

Microphone Connector - Connection point for the microphone. Do not connect microphones other than standard microphone P.N. 589-7600-020 and DTMF microphone P.N. 589-7600-022 to this transceiver. The pin assignments could be different and damage to the microphone or transceiver may result.

F1/F2/F3/F4 - These keys can be programmed to con-trol any of the functions described in Section 3.5. Place the applicable included label on the switch to indicate its function.

3.2.2 DISPLAY

Transmit Indicator ( ) - Indicates that the trans-mitter is keyed or the 5-tone code is being sent (if appli-cable). If this indicator is flashing, the internal temperature is high and the transmitter power output is being cut back. Normal operation automatically resumes when the temperature returns to the normal range.

Busy Indicator ( ) - Indicates the currently selected channel is busy (see Section 3.4.4).

Bell Indicator ( ) - Appears or flashes when a 5-tone call is detected that the transceiver is programmed to receive.

Monitor Indicator ( ) - Indicates that the monitor mode is enabled. This mode disables coded squelch control so that all messages occurring on the channel are heard. Refer Section 3.4.4 for more information.

Display - This seven-character display indicates the selected channel, status information, and error condi-tions. If information in this display begins flashing, an error condition is indicated. Two possible causes are a defective antenna or a battery voltage below 8 VDC.

3.2.3 BACK PANEL

External Speaker Jack - Miniature phone jack for connecting an optional 4-8 ohm external speaker. The internal speaker is automatically disabled when a speaker is plugged into this jack.

Antenna Jack - UHF-type jack for connecting the antenna.

DC Power Cable - Connects the transceiver to a nom-inal 12 VDC, negative ground vehicle power source. Refer to Section 2-1 for more information.

Accessory Cable - This optional cable is used to con-nect accessories such as a horn alert and modem to the transceiver. Refer to Section 2-1 for more information.

Transceiver Back Panel

3.3 BASIC OPERATION

3.3.1 TURNING POWER ON AND OFF

When power is turned on by pressing the POWER switch, a tone sounds and an opening mes-sage is displayed if programmed. The transceiver is

Ext SpeakerJack

Antenna

OptionalAccessory Cable

DC PowerCable

Jack

OPERATION

3-3November 1998

Part No. 001-7600-001

then ready to be used. To turn power off, press and hold the POWER switch until power turns off.

3.3.2 ENTERING A PASSWORD

The transceiver may be programmed so that a password must be entered before the transceiver can be used. When power is then turned on, “PWORD” is displayed and the four-digit passcode must be entered. This code is entered using the F1-F4 and channel down ( ) keys. The number entered by each key is as follows. The numbers in a block are detected as the

same. For example, “1234” is the same as “6789”. If the “PWORD” indication does not turn off after enter-ing four digits, you may have entered an incorrect number. Cycle transceiver power and try again.

3.3.3 VOLUME LEVEL ADJUSTMENT

The volume can be adjusted in up to 32 steps by pressing the volume up/down keys ( ). A graph in the alphanumeric display indicates the current volume level. If equipped with a option switch, you may be able to press (or press and hold) that switch to enable audio for use as a reference level.

The minimum selectable volume level can be set by the power-on menu described in Section 3.3.4. Select this mode and then press F1 to display “AFMIN”. Then press the volume up/down keys to select the desired minimum level. The current level is indicated by the bar graph, or receiver noise can be enabled as described in Section 3.3.6.

3.3.4 POWER-ON MENU

The power-on menu is a special menu that can be selected at power on to control various functions. Proceed as follows:

1. Select the power-on menu by turning power on with the up and down keys pressed.

2. The F1-F4 keys now control the following func-tions. Press the switch once to select the function

and then again to return to the normal channel display.

F1 - Minimum volume level (see Section 3.3.3)F2 - Key beep on-off (see Section 3.5.4)F3 - Backlight on-off (see Section 3.5.2F4 - Squelch adjust (see description which follows)

3. To return the F1-F4 keys to the programmed func-tions, turn transceiver power off and on again with-out pressed.

3.3.5 CHANNEL SELECTION

Channel Scrolling - If the keys are pro-grammed as or keys, they can be pressed to scroll up or down through the programmed channels.

Direct Selection - The F1-F4 and keys can be programmed to directly select a specific channel. These keys are then labeled to .

3.3.6 ADJUSTING SQUELCH LEVEL

The squelch level is adjusted by programming or selecting the power-on menu just described. Proceed as follows to use the power-on menu:

1. Select a non-busy channel. Then select the power-on menu by turning power on with the up and down

keys pressed.

2. Press the F4 option key to select the squelch adjust mode indicated by “SQ xx”.

3. Press the down key until noise is heard from the speaker (adjust the volume if necessary). Then press the up key until the noise just mutes (the “SQ xx” number indicates the relative squelch level).

4. Reselect normal operation by turning power off and on without the up and down keys pressed.

NOTE: If weak messages are not heard or unsquelch-ing occurs when no messages are present, slight read-justment up or down may be required.

Key

NumberEntered

05

16

27

38

49

F1 F2 F3 F4

MONI

CH UP CH DN

CH 1 CH 4

OPERATION

3-4November 1998Part No. 001-7600-001

3.3.7 BANK SELECT

Two banks of up to 16 channels each can be pro-grammed. Only the channels in the current bank are then selectable. This would allow, for example, groups of channels to be programmed for operation in differ-ent cities.

The key is pressed to switch between banks, and the current bank is indicated briefly in the display as “BANK 1” or “BANK 2”. If bank select is not used, a single block of up to 32 channels can be programmed.

3.3.8 AUTOMATIC SCAN ENABLE

The transceiver can be programmed so that scan-ning is automatically enabled whenever power is turned on or the microphone is placed on-hook. Refer to the scan description in Section 3.6 for more information.

3.3.9 BACKLIGHT ON-OFF

The following backlight modes can be selected by the option switch or by pressing F3 in the power-on menu described in Section 3.3.4.

LI ON - On continuouslyLI OF - Always offLI AT - Controlled by the voltage applied to pin 1 of the DB9 connector on the optional accessory cable (see “Light” in Table 4-2).

3.3.10 BEEP ON-OFF

The key beep which sounds when keys are pressed can be enabled and disabled by pressing the

option switch or pressing F2 in the power-on menu described in Section 3.3.4. Either “BP ON” or “BP OF” is displayed to indicate the current mode.

3.4 RECEIVING AND PLACING CALLS

3.4.1 INTRODUCTION

The two calls which can be placed and received are mobile-to-mobile and telephone calls. With tele-phone calls, the telephone number can be dialed using

a microphone with a telephone keypad, or up to seven telephone numbers also may be preprogrammed and then selected by pressing the key (see descrip-tion in Section 3.5.7).

3.4.2 RECEIVING A CALL

1. Turn transceiver power on and set the volume level as described starting in Section 3.3.1.

2. Select or scan the channel or channels on which you want to receive the call. Refer to Section 3.6 for more information on scanning.

3. When the message is received, take the microphone off-hook and respond. Press the microphone push-to-talk (PTT) switch to talk and release it to listen.

4. When the conversation is finished, place the micro-phone back on-hook. The microphone hanger may control features such as scanning and monitoring that are described later.

3.4.3 PLACING A CALL

1. Turn transceiver power on and set the volume level as described starting with Section 3.3.1.

2. Select the channel on which the call will be made as described in Section 3.4.

3. Regulations require that the channel be monitored before transmitting to make sure that it is not being used by anyone else. If you were to transmit while someone was talking, you would probably disrupt their conversation. Refer to “Monitoring Before Transmitting” description which follows for more information.

4. If the channel is not busy, press the microphone PTT switch to talk and release it to listen.

5. When the conversation is finished, place the micro-phone back on-hook.

3.4.4 MONITORING BEFORE TRANSMITTING

Use one of the following methods to monitor the channel before transmitting a message:

BANK

LITE

BEEP

DTMF

OPERATION

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Part No. 001-7600-001

• Note if the busy indicator ( ) on the front panel is being displayed. If it is not, the channel is not busy and a message can be transmitted.

• Taking the microphone off-hook disables coded squelch control if it is programmed for the monitor function. Take the microphone off-hook and the

indication should be displayed. If no messag-es are heard, the channel is not busy and a message can be transmitted.

• If the monitor ( ) option switch is pro-grammed, pressing it disables coded squelch control similar to taking the microphone off-hook. If no messages are then heard, the channel is not busy and a message can be transmitted. Press the switch again to disable monitoring.

• If the Transmit Disable On Busy feature is pro-grammed on the channel, the transmitter is automat-ically disabled if the channel is busy. This is indicated by the display flashing and a rapid beeping when the PTT switch is pressed.

3.4.5 TIME-OUT TIMER

The time-out timer disables the transmitter if it is keyed continuously for longer than the programmed time. If the transmitter is disabled by this feature, the transmit indicator ( ) turns off and the display flashes and a beeping tone is produced until the PTT switch is released.

One use of this feature is to prevent a channel from being kept busy for an extended period by an accidentally keyed transmitter. It can also prevent pos-sible damage to the transceiver caused by transmitting for an excessively long period.

There is also a penalty timer that may be pro-grammed to prevent further transmissions for the pro-grammed time after the transmitter is disabled.

3.5 PROGRAMMABLE FUNCTIONS

3.5.1 INTRODUCTION

The F1-F4 and keys on the front panel can be programmed for the functions shown in

Table 3-1. A sheet of labels is included with the trans-ceiver, and the applicable label should be placed on the key to indicate its function. Refer to the section listed in the table for a description of the function.

3.5.2 BACKLIGHT ON-OFF

Refer to Section 3.3.9.

3.5.3 BANK SELECT


3.5.4 BEEP ON-OFF


MONI

Table 3-1 Option Key Programmable Functions

Function Key LabelDescription Section No.

Backlight On-Off 3.3.9

Bank Select 3.3.7

Beep on-off 3.3.10

Call Guard Tone Select 3.5.7

Channel Select

3.3.5

DTMF Number Select 3.5.7

Emergency Switch 3.5.8

Lock enable/disable 3.5.9

Monitor Mode Select 3.4.4

Output Power Select

3.5.11

Priority Channel Select 3.6.3

Receive Attenuate 3.5.13

Scan Select 3.6

Scan List Programming 3.6.2

Talk-Around Select 3.5.16

2-Tone, 5-Tone Calling

3.5.18

Wide/Narrow Band Select

3.5.19

LITE

BANK

BEEP

TONE

CH UP CH DNCH 1 CH 2CH 3 CH 4

DTMF

EMER

LOCK

MONI

HIGH LOW1

LOW2

PRI A PRI B

ATT

SCAN

TAG

TA

CALL CAL ACAL B TX CHCODE ID MR

W/N

OPERATION

3-6November 1998Part No. 001-7600-001

3.5.5 CALL GUARD TONE SELECT

If the transceiver has a key, the Call Guard (CTCSS) tone can be selected. This allows calls to be placed to different mobiles or groups of mobiles and received on different groups than is normal for the channel. Proceed as follows:

1. Press the key and “TON--x” is displayed.

2. Press the channel up/down ( ) keys to select the desired tone (“TON--1” to “TON--9”).

3. Press the key again to exit this mode. Calls are then placed on the current channel and other channels using the new code until it is changed.

4. To reselect the standard Call Guard squelch tone programmed for the channel, select “TON--M” using the same procedure.

3.5.6 CHANNEL SELECT


3.5.7 DTMF NUMBER SELECT

If the transceiver has a key, up to seven preprogrammed telephone numbers can be transmit-ted. Proceed as follows:

1. Press the key and the currently selected number is indicated as “DTMF x”.

2. Press the channel up/down keys ( ) to select a different number.

3. To transmit the selected number on the current channel, press and hold the key.

NOTE: The DTMF 6 number is used for emergency calls and the DTMF 7 number is used for automatic logging. Therefore, if these features are used, the number may not be available for regular calls.

3.5.8 EMERGENCY KEY

Press and hold the key to transmit an emergency call. To cancel this call before it is trans-mitted, press and hold this key again. Once emergency

transmission begins, the call cannot be canceled. Pro-gramming determines the channel on which the call is transmitted and also if it is transmitted once or repeat-edly until a control code is received.

3.5.9 LOCK KEY

Press and hold the key to lock all pro-grammable keys except and . Either “LK ON” or “LK OF” is displayed to indicate the current condition. If a locked key is pressed, all that happens is “LOCK” is displayed.

3.5.10 MONITOR MODE SELECT


3.5.11 OUTPUT POWER SELECT

The and keys can be used to temporarily or permanently override the pro-grammed power output for the channel. The program-ming of the “RF Power Selection” parameter in Table 4-2 determines operation. Pressing the key once selects the level on the key and pressing it again selects the programmed level.

3.5.12 PRIORITY CHANNEL SELECT

Pressing selects the priority A channel and pressing selects the priority B channel. The key can also be programmed so that press-ing and holding the key makes the current channel the priority A channel. Refer to Section 3.6.3 for more information.

3.5.13 RECEIVE ATTENUATE

Pressing the key turns receive signal attenuation on and off. Either “AT ON” or “AT OF” is displayed to indicate the current mode. The attenuator can be turned on if nearby strong RF signals such as commercial radio stations or pager transmitters are causing distortion of the receive signal.

3.5.14 SCAN SELECT

Pressing the key turns the channel scan feature on and off. Refer to Section 3.6 for more information.

TONE

TONE

TONE

DTMF

DTMF

DTMF

EMER

LOCKCALL MONI EMER

HIGH LOW1 LOW2

PRI A

PRI BPRI A

ATT

SCAN

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3.5.15 SCAN LIST PROGRAMMING

Pressing the key changes the scan list sta-tus of the current channel. Refer to the scan list description in Section 3.6.2 for more information.

3.5.16 TALK-AROUND SELECT

The talk-around mode causes transmissions to occur on the receive frequency to permit direct mobile-to-mobile communication when a repeater is being used. The talk-around mode is turned on and off by pressing the key. Either “AR ON” or “AR OF” is briefly displayed to indicate the current mode. Changing the channel or turning power off causes talk-around to revert to the off condition.

3.5.17 2-TONE CALLING FEATURES

If the optional 2-tone signaling option is used, pressing the key transmits the 2-tone codes on the selected channel or on a non-busy channel if pressed while scanning.

3.5.18 5-TONE CALLING FEATURES

If the optional 5-tone signaling option is used, the following keys may be programmed to control various functions.

- Transmit the 5-tone call. Depending on your signaling system, call transmission may be necessary before you call another station. The CAL A and CAL B keys may be programmed when selective Individual/Group calls are used.

- Selects the 5-tone code to be transmitted. To change the contents of the station code, push and hold this key and then press the keys.

- Selects the transmit code directory.

- Recalls last five codes received. Press and hold to erase all codes. To scroll, press .

3.5.19 WIDE/NARROW BAND SELECT

Pressing the key switches the receiver between narrowband and wideband operation. The

display briefly indicates “WIDE” or “NARROW” to indicate the current mode. Each channel can also be programmed for wide or narrow band operation, and this switch toggles that setting. However, the change is only temporary because the programmed condition is reselected if the channel is changed or power is cycled.

3.6 CHANNEL SCAN

3.6.1 INTRODUCTION

The channel scan feature monitors the channels in the current scan list. When a message is detected that the transceiver is programmed to receive, scanning stops and the message is received. Shortly after the message is complete, scanning resumes (after the resume timer counts down). The selected channel changes to that of the call.

If the microphone is taken off-hook or the trans-mitter is keyed while scanning, scanning resumes when the auto reset timer selected for the channel counts down. Scanning does restart if this timer is dis-abled or if the Scan A key is programmed with power-on scan disabled (see Tables 4-2 and 4-5).

Scanning is turned on and off by the key. The transceiver also may be programmed so that scan-ning automatically turns on whenever power is turned on or the microphone is placed on-hook. The micro-phone must be on-hook for scanning to occur.

The decimal point in the display flashes when the scan mode is enabled. Then when scanning is actually occurring, either the scan list identification (see next section) or the rapidly cycling channel identification is displayed as the channels are scanned. Programming determines which occurs (see Table 4-5).

3.6.2 SCAN LISTS

Up to five scan lists can be selected by pressing and holding the key until the scan list identifi-cation appears and then pressing the keys. Press the key again to exit this mode (this also occurs automatically in about 30 seconds) and again to enable scanning (if desired).

TAG

TA

CALL

CALL CAL A CAL B

TX CH

CODE

MR CH

W/N

SCAN

SCAN

SCAN

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The scan lists are user programmable if the key is available. Pressing this key changes the

status of the displayed channel in the current scan list only. The display indicates “SC ON” if the channel was just added to the scan list and “SC OF” if it was just deleted. In addition, the scan list status is indicated by the decimal point in the display. This indicator is on when the displayed channel is scanned. The decimal point flashes when scanning is occurring.

The scan list status of a channel can be changed while scanning only when listening to a message on the channel. The current status of all the lists is stored in memory. Therefore, the status of the various scan lists does not change when power is turned off.

3.6.3 PRIORITY CHANNEL SAMPLING

Priority channel sampling ensures that messages on priority channels are not missed while listening to

messages on other channels. If priority sampling is used, a priority A channel is designated by program-ming. If the key is available, pressing that key selects the priority A channel. This key also may be programmed so that if it is pressed and held, the prior-ity A channel changes to the current channel.

Sampling of the priority A channel occurs only when scanning is enabled. It does not occur while transmitting. When the priority channel is sampled while listening to a message on another channel, a series of “ticks” are heard. These ticks are brief inter-ruptions of the audio signal that occur while the trans-ceiver changes channels to check the priority channel.

Another priority channel also can be programmed that can be quickly selected by the key. This channel is programmed only to allow quick selection and is not sampled while listening to a non-priority channel.

TAGPRI A

PRI B

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PROGRAMMING

Figure 4-1 Programming Setup

Female DB9 Plug To Computer

Programming Cable(Includes Level Convert. Circuit)

Adapter CableP.N. 585-7600-031

P.N. 585-7500-031

4.1 GENERAL

4.1.1 PROGRAMMING SETUP

The following items are required to program this transceiver. The part numbers of the programming cable and software are shown in Table 1-1. A printer is also recommended for making a hard copy record of the information programmed into the transceiver. The programming setup is shown above.

• IBM® PC AT or PS/2 compatible computer with one available serial port

• MS-DOS® version 5.02 or higher or equivalent• E.F. Johnson programming cable (includes required

level converter circuit) and adapter cable• E.F. Johnson programming software

4.1.2 PROGRAMMING CABLES

Programming Cable, Part No. 585-7500-031, and Adapter Cable, Part No. 585-7600-031, are required to

connect the computer to the transceiver. The program-ming cable has a female DB9 connector which plugs into the serial port of the computer. In this connector is a level converter circuit which converts the RS-232 levels of the computer to the logic levels required by the transceiver. The other end of the cable plugs into the adapter cable which adapts the miniature phone plug to the modular-style microphone connector on the transceiver. Turn transceiver power on after these cables are connected.

4.1.3 PROGRAMMING SOFTWARE

The programming software is distributed on a 3-1/2” 1.44 M diskette. This diskette includes the main executable program RP7600.EXE and several ancil-lary files it requires to run. These files total approxi-mately 430k in size. Also included on this disk is the ADJUST program used to tune the transceiver. This program and other files it requires to run total about 180k in size and are located in a separate subdirectory

SECTION 4 PROGRAMMING

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on the disk called ADJ. The use of this program is described in Section 5.

These are DOS programs, so Windows® 3.x, 95, or NT are not required to run them. If the program does not run properly in Windows, run it in the DOS mode.

Before you use the program, the files on the dis-kette should be copied to your hard disk or a program-ming disk. Do not use the distribution disk for pro-gramming or transceiver tuning because it should be kept as a backup in case something happens to the pro-gram on the working disk.

4.2 STARTING THE PROGRAM

Proceed as follows:

1. Start the computer in the DOS mode. If the program is not installed on a hard drive, insert the program-ming disk in drive A.

2. Make the directory of the program the current direc-tory. Then start the program by typing RP7600 (Enter).

3. The Memory Channel screen described in Section 4.4.3 is then displayed. Set or modify the data as desired. Make sure to scroll right using the → key so the right-most screen parameters can be programmed.

4.3 SPECIAL KEYS AND FUNCTIONS

• Information on the various parameters is available in the form of help screens. To display information on the currently highlighted function or setting, press F1.

• Pressing ALT or ESC selects the menu on top or returns to the previous screen.

• ↑ ↓ keys or highlighted character keys move the cursor.

• The Space or backspace key toggle the setting.

• Use the File menu to save the data and exit the program.

4.4 MENU FLOW

4.4.1 INTRODUCTION

The menu bar along the top of the screen is used to select the various menus that are used to program this transceiver. Press the ALT or ESC key to enable this menu bar. Then to move horizontally to select a menu, use the arrow (← → ) keys or type the high-lighted letter in the title. Then to display the menu and highlight the desired item, use the arrow (↓ ↑) keys and then press ENTER to select it. The following describes each of the menus that can be selected.

4.4.2 FILE MENU

Load - Loads data from a previously saved data file. To display the directory, press (Enter) again.

Save - Saves the current data to the specified file. The extension “.ICF” is automatically added to the file name.

Delete - Deletes the current file.

Dos - Allows you to go to the DOS mode to perform a function in DOS such as copying a file. To return to the previous screen, type EXIT.

Exit - Quits the program and exits to DOS.

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4.4.3 SCREEN MENU

NOTE: The Screen menu for PMR (European) models is slightly different than the LMR version shown above. Refer to Section 4.5 for more information on PMR models.

Memory Channel - Displays the screen shown in Table 4-1 which is used to program channel parame-ters such as frequency, Call Guard (CTCSS/DCTS) coding, and power output. The screen in Table 4-1 is for LMR models; refer to Section 4.5 for information on the PMR version.

Key and Display Assign - Displays the screen shown in Table 4-2 which assigns functions to the programmable keys.

DTMF Autodial - Displays the screen shown in Table 4-3 which programs five DTMF code channels (pre-stored telephone or other numbers). Up to 24 charac-ters can be programmed in each location.

Continuous Tone - Displays the screen shown in Table 4-4 which programs nine user selectable Call Guard (CTCSS) tones.

Scan List - Displays the screen shown in Table 4-5 which programs various parameters for each scan list.

2-Tone Code Channel - Displays the screen shown in Table 4-6 which programs transceiver operation with a 2-tone option. The optional 2/5-Tone Decoder Kit, Part No. 585-7500-026, is required to use the 2-tone function. This screen is displayed with LMR models only (see Section 4.4.6).

LMR (U.S.) Format

Common - Displays the screen shown in Table 4-7 which programs miscellaneous information such as various timer settings.

Expert - Displays the screen shown in Table 4-8 which programs various timers and other information. Normally, the default value in this screen should not be changed.

4.4.4 PROGRAM MENU

Read ← TR - Reads the data programmed in the con-nected transceiver.

Write → TR - Programs the connected transceiver with the current data.

Information - Displays information on the connected transceiver such as the model, revision, and the “Pro-gram Comment” programmed in the Common screen (see Table 4-7).

4.4.5 PRINT MENU

Current - Prints the currently displayed data.

All - Prints all data for the selected file.

4.4.6 MODEL MENU

LMR - Selects LMR (U.S.A.) models. Selecting this model displays unique parameters in various screens for programming a 2-tone option. The differences are

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in the Screen menu (see Section 4.4.3), Memory Channel screen (see Table 4-1), and DTMF Autodial screen (see Table 4-3).

PMR - Selects PMR (European) models. Selecting this model displays unique parameters for program-ming a 5-tone option. As with the LMR selection, unique parameters are displayed in the Screen menu and Memory Channel and DTMF Autodial screens.

Refer to Section 4.5 for more information on PMR models.

4.4.7 SETUP MENU

Display Type - Select the color or monochrome 1 or 2 display modes.

RS-232C - Selects the computer serial port being used to connect the computer to the transceiver.

Table 4-1 Memory Channel Screen Description (LMR Models)

Parameter Description

Bank SelectUp to 32 channels or two banks of 16 channels can be programmed. To program the channels as two banks, first

program the “MR-CH Bank/Free” parameter in the Key and Display Assign screen for “Bank” as described in Table 4-2. In addition, a “Bank” option switch must be programmed in this screen to select banks. To switch between banks when programming channels, press the PgUp/PgDn keys.

NOTE: To display this part of the screen, scroll over using the → arrow key.

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Ch Atr(Channel Attribute)

Press (Enter) to display the menu which selects one of the following choices:

A: Priority A - The channel is selected when the Prio A key is pressed, and it is monitored during priority scan. In addition, the microphone hanger can be programmed so that this channel is automatically selected when-ever an off-hook condition occurs (see Table 4-2).

B: Priority B - The channel is quick selected when the Prio B key is pressed. It is not monitored during priority scan.

E: Emergency Channel - Transmission occurs on the channel when the Emergency switch is pressed.Emergency Off - Deletes the emergency designation on current channel if applicable. If no emergency channel

is designated, transmission occurs on the currently selected channel.SmarTrunk II™ On/Off - Toggles the SmarTrunk function on and off on the bank. This function is not

available with this transceiver.Channel Insert - Inserts a blank channel by pushing the other channel information down one line.Channel Delete - Deletes the programming information on the current line and moves the channel information

below it up one line.Return - Exits the menu and returns to the main screen.

Frequency (Rx/Tx)

Enter the desired frequency for the channel. Enter a frequency within the frequency range of the transceiver: VHF = 136-155 or 146-174 MHz, UHF = 400-430, 450-470, 470-490, or 488-512 MHz. Channel steps in mul-tiples of 5.0, 6.25, or 7.5 kHz only. If no receive frequency is entered, no other data can be programmed on the line. Other special functions associated with frequency are as follows: Rx Freq - Press the backspace key to toggle between wide and narrowband. Narrowband is indicated by “n” to

the right of the frequency. Press the spacebar to toggle receive inhibit on and off indicated by “i” to the left of the frequency. This limits the channel to priority or emergency use only (it is not available as a regular channel).

Tx Freq - To enter the same frequency as the receive frequency, enter nothing or “=”. The “←” symbol means same as receive frequency. Enter a space to disable transmitting on the channel (“Inhibit” is then displayed). F8 and F9 can be used to cut and paste frequencies. Press (Enter) when the desired frequency has been entered.

CTCSS/DTCS

(Rx/Tx)

Enters the receive and transmit tone (CTCSS) Call Guard® frequency or digital (DTCS) Call Guard code. Press (Enter) to display the tone selection table. Select a tone by scrolling to it and pressing (Enter). Press the space-bar or backspace key to increase or decrease the entered frequency. The “←” symbol means same as receive code.

The length of the CTCSS reverse burst can be set by the “CTCSS Reverse Burst” parameter on the Common Screen (see Table 4-7). A non-standard CTCSS tone from 60.1 to 300.1 Hz can be specified on the Expert screen and then selected by “USER”. If a CTCSS tone is selected by the TONE option switch, it overrides the channel programming until “TON--M” is reselected.

Digital codes must always be entered directly (there is no table) and tone frequencies can be entered directly. Be sure to enter the tone decimal point or the number is interpreted as a digital code. To toggle the polarity of digi-tal codes, press the spacebar or backspace key. The N or I indicates Normal or Inverted polarity. In addition, the polarity of digital Call Guard signaling for all channels is set on the Expert screen.

Text Programs the 7-character alpha tag that is displayed when a channel is selected. If no text is programmed, the channel number is displayed as CH-xx. Allowable characters are A-Z (upper or lower case), 0-9, ’ * , + $ ’ ( ) – / < = > ? @ [ \ ] _ | ~. However, some characters, especially lower case letters, may be difficult to see. The tx up arrow is displayed by “:” , and the rx down arrow by “;”. Special characters may be programmed in the Expert screen (see Table 4-8) and used for the positions 3-7 only (positions 1 and 2 can display only regular characters). To enter a special character, press PgUp/PgDn to scroll through and select characters A-P.

TOT(Time-Out

Timer)

Disables the transmitter on that channel if it is keyed continuously for longer than the programmed time. The times for this timer and other related functions are programmed in the Common Screen (see Table 4-7).

Table 4-1 Memory Channel Screen Description (LMR Models) (Continued)


Smartrunk II™ is a trademark of Smartrunk Systems Inc.

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RF PWR Programs the RF power output for the channel (High, Low1, Low2). This setting can be temporarily or perma-nently overridden by the HIGH, LOW1, or LOW2 power option switch if it is programmed (see Table 4-2).

Lockout Transmit Disable On Busy. The following conditions can be programmed:Off - No restrictions; the transmitter can be keyed even while receiving a signal.Busy - Transmitting is inhibited if the channel is busy (carrier present).Repeater 1 - Transmission is permitted only when (1) receiving a signal on the programmed Call Guard tone or

code (CTCSS/ DCTS) or (2) when no carrier is being detected.Repeater 2 - Transmission is permitted when (1) receiving any Call Guard tone or code (CTCSS/DCTS) or (2)

when no carrier is being detected.NOTE: If an attempt is made to transmit in a lockout condition, transmitting is inhibited for the “Lockout Penalty Time” programmed on Common screen (see Table 4-7).

Scan Assigns the channel to up to five scan lists and also programs if the scan list status can be changed by the scan list programming key (TAG). Press the spacebar to enter or delete all lists or press 1-5 to toggle the status of a list. Press the backspace key to toggle the inhibit status. Scan list programming is inhibited when parentheses are displayed around the numbers (or underline characters).

Auto Reset If PWR ON Scan is enabled in the Scan screen (see Table 4-5), this selects the time delay before scanning resumes after a call is complete (the signal disappears) or a key is pressed. Either Timer A or Timer B can be selected. These timers are programmed in the Common Screen (see Table 4-7). Auto reset can be turned off by setting the timer to “Off” (0).

2-Tone Enables 2-tone operation on the channel and specifies the 2-tone code used. The 2-tone codes are programmed in the 2-Tone Code Ch screen (see Table 4-6). This requires the optional 2/5-tone module.

Log On/Off Specifies if the DTMF ID code is transmitted when the PTT switch is pressed and released. The DTMF code is specified on the Log/ID line of the DTMF Autodial screen (Table 4-3). In the Common screen, if “TOT Timer ID Out” is “Yes”, this ID is also transmitted just before the transmitter is disabled by the time-out timer. The following conditions can be programmed:OFF (blank) - No ID code is transmitted.Log In - The ID code is transmitted when the PTT switch is pressed.Log Off - The ID code is transmitted when the PTT switch is released.Both - The ID code is transmitted when the PTT switch is pressed and again when it is released.

Table 4-1 Memory Channel Screen Description (LMR Models) (Continued)


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Table 4-2 Key and Display Assign Screen Description

KEY ASSIGN PARAMETERSThe and F1-F4 option keys can be programmed for the following functions. Press the (Enter) key and then

PgUp/PgDn to display and then select the desired function.

ParameterKey

LabelDescription

Null --- No function (key disabled). CH UpCH Down

CH UPCH DN

Scroll up or down through the programmed channels. Holding the key down causes the function to repeat.

MR-CH 1MR-CH 2MR-CH 3MR-CH 4

CH 1CH 2CH 3CH 4

Directly selects Channels 1, 2, 3, or 4, respectively.

Bank BANK Toggles the current bank between Bank 1 and Bank 2. This key can be programmed only if the “MR-CH Bank/Free” parameter in this screen is programmed “Bank”.

Scan AScan BStart/Stop

SCAN Pressing this key toggles scanning on and off. In addition, pressing and holding the key enables the scan list select mode. The current scan list is indicated, and it is changed by pressing the up/down

keys. Either the Scan A or Scan B mode or both can be programmed. Operation is as follows: Scan A

Power-On Scan “Off” (see Table 4-5) - It starts and stops scanning with no auto restart. If the trans-mitter is keyed during scanning, the scan mode is exited. Power-On Scan “On” - It stops scanning only until the Auto Reset Timer expires (see Table 4-7). If the transmitter is keyed during scanning, scan automatically resumes when the Auto Reset Timer expires.

Scan BPower-On Scan “Off” or “On” - It starts and stops scanning with auto restart. If the transmitter is keyed during scanning, scan automatically resumes when the Auto Reset Timer expires.

Scan Add/Delete

TAG Scan list programming key. Pressing this key changes the scan list status of the current channel in the current scan list (see Section 3.6.2).

Prio APrio A (Re)Prio B

PRI APRI APRI B

Pressing a Prio A key selects the Priority A channel, and pressing a Prio B key selects the Priority B channel. Pressing a Prio A (Rewrite) key also selects the Priority A channel. In addition, if it is held, the current channel is made the Priority A channel. Priority channel sampling is programmed in the Scan List screen (see Table 4-5).

Moni (Audi)

MONI Toggles the monitor mode on and off. This mode deactivates the Call Guard (CTCSS/DTCSS) or 2-tone mute functions (see Section 3.4.4). Pressing and holding this key unsquelches the receiver for as long as it is held.

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ParameterKey

LabelDescription

RF ATT ATT Toggles the receive attenuate function on and off (see Section 3.5.13).Lock LOCK Locks/unlocks all programmable keys except CALL, MONI, and EMER to prevent them from being

accidentally pressed (see Section 3.5.9).Beep BEEP Toggles the key beep function on and off (see Section 3.3.10).Light LITE Turns the LCD backlight on and off (see Section 3.3.9).Bank Up Selects the other bank of sixteen channels if applicable.HighLow 1Low 2

HIGHLOW1LOW2

Changes the power output for the current channel to the level programmed of the key. Pressing the key again reselects the preprogrammed power level for the channel. The change may be temporary or per-manent for that channel depending on the programming of the “RF PWR Selection” parameter later in this screen (see description which follows).

C. Tone CH Ent

TONE (Continuous Tone Memory Channel) This key selects the continuous tone mode which allows the Call Guard (CTCSS) tone to be selected from the front panel (see Section 3.5.5). These tones are pro-grammed by the Continuous Tone screen described in Table 4-4.

Talk Around

TA Toggles the talk-around mode on and off (see Section 3.5.16).

Wide/Narrow

W/N Temporarily toggles between the wide and narrow band modes (see Section 3.5.19). When the channel is changed or power is cycled, the wide/narrow mode programmed for the channel frequency specified in the memory Channel screen is again selected.

DTMF Autodial

DTMF Pressing this key enables the DTMF autodial mode. After pressing this key, the number to be dialed is selected by the up/down keys. Then press and hold this key to transmit the number (see Sec-tion 3.5.7). The available DTMF numbers are programmed by the DTMF Autodial screen described in Table 4-3.

Emergency SingleRepeat

EMER Pressing this key transmits an emergency call. If “Single” is programmed, it is transmitted only once; if “Repeat” is programmed, it is transmitted repeatedly with LMR models, or until the proper 5-tone code is received with PMR models. The emergency channel is specified by the CH Atr parameter on the Memory Channel screen described in Table 4-1. A DTMF code is transmitted if it is entered on the “Emergency” line of the DTMF Autodial screen (see Table 4-3). Additional emergency parameters are programmed in the Expert screen described in Table 4-8.

OPTx Out

OPTx Mom Out

OPT1OPT2OPT3

A “OPT1-OPT3 Out” key switches the respective pin of the 30-pin option connector high or low (this connector is located inside the transceiver, and is used, for example, by the optional 2/5-tone module). A “OPT1-OPT3 Momentary Out” key produces a high or low pulse on the respective pin of this 30-pin connector.

Call CALL When equipped with the optional 2/5-tone module, transmits the 2-tone or 5-tone code.Call A/B CALL PMR mode w/5-tone option only. Transmits code using channel 30 (A) or 29 (B).Tx Code/ CH Up/Dn

TX CH PMR mode w/5-tone option only. Selects transmit 5-tone code.

ID MR Select

ID MR PMR mode w/5-tone option only. Recalls and erases stored codes that have been received

Trunking Group Switch

GRP This switch is for a SmarTrunk function, so it is not available with this transceiver.

OTHER MENU PARAMETERSHanger Action

Any or none of the following hanger functions can be programmed: Monitor - Disables CTCSS/DCTS Call Guard signaling on off-hook and re-enables it when back on-hook.Scan - Automatically enables scanning when placed on-hook.Prio A - Automatically selects the priority A channel when taken off-hook.

Beep On/Off

Enables or disables the key press beep. This programming can be overridden by the power-on menu (see Section 3.3.4) or BEEP key (see Section 3.3.10).

Table 4-2 Key and Display Assign Screen Description (Continued)

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Light Enables or disables the display and key backlight. This programming can be overridden by the power-on menu (see Section 3.3.4) or LITE key (see Section 3.3.9). The “Auto” configuration allows it to be controlled by pin 1 of the DB9 connector on the optional accessory cable. The on condition is selected by 0 volts (low) and off by 12 volts (high).

RF Power Selection

This can be programmed for one of the following configurations:MR CH Individual - The power output selected by the HIGH, LOW1, LOW2 keys (see preceding description)

is only temporary. Power returns to the level programmed for the channel when the channel is changed or transceiver power is cycled.

Override - The power output selected by above power keys overrides the channel programming. The selected level is permanent on the channel (changing the channel or cycling power does not change the selected power level). Pressing the key again on the channel reselects the preprogrammed level.

MR-CH Bank/Free

Free - Select if banks are not used. One block of up to 32 channels is programmed.Bank - Select if channels are to be programmed as two banks with up to 16 channels each. The BANK option switch must be programmed to select the banks (see Section 3.3.7).

OpeningText

If text is entered, it is displayed and a tone sounds for 2 seconds when power is turned on. If no text is pro-grammed, no tone sounds and no message is displayed. The characters and other information described for “TEXT” in Table 4-1 also applies to this text.

Table 4-3 DTMF Autodial Screen Description

This screen is used to program the DTMF autodial codes that can be transmitted by pressing the DTMF key (see Table 4-2). Each location can contain up to 16 characters. Allowable characters are 0-9, A-D, *, and #. Press the INS key to toggle between the insert and overwrite modes. To clear a location, press the spacebar and then (Enter). Press ALT or ESC to cancel the entered codes before input. The code on the “Emergency” line is transmitted when the Emergency key is pressed (see Table 4-2). Likewise, the code on the “Log/ID” line is transmitted when the Log/ID channel parameter is enabled (see Table 4-1) and when the time-out timer expires (see Table 4-7). With PMR models, “4” and “5” are displayed in place of “Emer-gency” and “Log/ID”.


DTMFTimer

Sets the time interval in seconds for each code emission and interval.

1st Timer Sets the tone period in seconds for the first DTMF code. This period is affected by the scanning period and power saver function delays of receiving transceivers.

[*] [#] Timer Sets the tone period in seconds for the * character (same as “E”) and # (same as “F”). These codes can be used for control codes on some systems. NOTE: When these special codes are used for the first code, the “1st Timer” has priority over this setting.

Table 4-2 Key and Display Assign Screen Description (Continued)

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Table 4-4 Continuous Tone Screen Description

Description

The continuous tones programmed in this screen are selected by pressing the C.Tone CH Ent function key (see Table 4-2) and then pressing the up/down keys. This allows the user to select the continuous tone being transmitted and received on the current channel. To transmit or receive using the codes programmed for the channel in the channel screen (see Table 4-1), select “TON--M” using the keys.

Table 4-5 Scan Function Screen Description


This screen is used to configure each of the up to five scan lists that can be selected. Channels are assigned to a scan list in the Memory Channel screen described in Table 4-1 and by the TAG key described in Table 4-2. Scanning is turned on and off and a specific scan mode is selected by the SCAN key also described in Table 4-2. Scanning may be enabled at power on (see following) and by placing the microphone on-hook (see “Hanger Action” in Table 4-2).

Scan Mode The following conditions are programmable:Scan Off - Deactivates that scan list so that it cannot be selected.M1 (Normal) - Selects normal (non-priority) scanning from the lowest to highest channel. M2 (Prio A) - Selects scanning from the lowest to highest channel while checking the Priority A channel. If

scanning is turned off while receiving a message in the scan mode, the transceiver switches to that channel. M 3 (Prio A) - Same as Mode 2 except that if scanning is turned off while receiving a message, the Priority A

channel is selected.Text Programs the text that is displayed while scanning with that scan list selected. If “OFF” is programmed, the text

is not displayed. Instead, the alpha tag (or channel number) programmed for each channel is displayed as the channel is scanned. The characters and other information described for “TEXT” in Table 4-1 also applies to this text.

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Stop Timer When Mode 2 or 3 above is programmed (priority scanning), this sets how often in seconds the priority channel is checked while receiving a message on some other channel.

ResumeTimer

This sets the scan resume delay in seconds. This is the time that elapses before scanning resumes after a message is received.

PWR ON Scan

If this function is programmed “On”, scanning starts automatically when transceiver power is turned on. The “Hanger Action” parameter in Table 4-2 should also be programmed for “Scan” if power-on scan is used. If scanning halts to transmit a message, the timer selected for Auto Reset parameter in the channel screen (see Table 4-1) determines the delay before scanning resumes. See also Scan A/B function in Key Assign screen (Table 4-2), “Scan” column in 2-Tone Code CH screen (Table 4-6), “Timer A/B” in Common screen(Table 4-7), and “Fast/Slow Scan Timer” in Expert screen (Table 4-8).

Auto CH Call

The parameter is displayed only in the PMR (European) mode, and is used with the 5-tone option. If “On” is programmed, pressing the CALL key (1) starts scanning, (2) detects a non-busy channel, and (3) transmits the 5-tone codes.

Table 4-6 2-Tone Code Channel Screen Description


Rx Freq1st/2nd

Sets the frequencies for the first and second tones from 250-3300 Hz. The closest tone is selected.

Group Call Programs if the 1st or 2nd tone is used for the group code.

Text Programs the text that is displayed when a matched 2-tone is received. The characters and other information described for “TEXT” in Table 4-1 also applies to this text.

Bell Selects the bell indicator condition when receiving a matched 2-tone. The following conditions can be programmed:Null - The bell indicator condition is not changed, even when a matched code is received.Off - The bell indicator goes off.On - The bell indicator appears until a key is pressed.Blink - The bell indicator blinks until a key is pressed.

ANS Turns the Answer Back function on and off. This function transmits a 1 kHz single tone for 2 seconds when receiving a matched 2-tone code.

EXO “On” activates an external alert such as a horn or buzzer when a matching 2-tone code is received. The activa-tion time is set by “EXO Timer” in the Rx Code Common screen (see below). The optional accessory cable is required to utilize this feature.

Table 4-5 Scan Function Screen Description (Continued)

NOTE: Optional 2/5-Tone Module, P.N. 585-7500-026, is required to utilize the two-tone feature.

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Beep Emits (or turns off) the following beeps when receiving a matched 2-tone:Null - Beep emission (or non-emission) is retained even when receiving a matched 2-tone.Off - Repeater beep emission is turned off.Pi (Single) - One high beep once.PiPi (Single) - Two high beeps once.PiRo (Single) - One high and one low beep three times.Pi (Repeat) - One high beep repeated at selected intervals.PiPi (Repeat) - Two high beeps repeated at selected intervals.

Auto Tx Sets the transceiver to the transmit condition (by activating the microphone PTT) when receiving a matched 2-tone code. This transmit time can be set in the Auto Tx Timer parameter in the Rx Code Common screen (see below).

Stun When a matched 2-tone is received, the transceiver is set to the following condition that is programmed:Off - The transceiver can be used continuously.Kill - The transceiver cannot be used. Reprogramming is required to re-activate the transceiver.Stun - The power-on password prompt is displayed. To use the transceiver, the correct password must be entered. See also “User Password” and “Pwr On Password” in Common screen (Table 4-7). Password entry is required regardless of the Pwr On Password setting.

Scan When a matched 2-tone is received, scan is set to the following condition that is programmed:Null - Scan condition is not affected.Cancel - Scan is cancelled.Start - Scan is started.See also “Scan” key in Table 4-2 and “Power On Scan” in Table 4-5.


Rx Code Common ScreenNotone Timer

This item sets the acceptable period between 2 tones. When received tones are interrupted for longer than thissetting, the transceiver does not detect the code.

GroupTimer

Programs the 2-tone decoding period in seconds. When the received tone is longer than this setting, the trans-ceiver detects the tone as a group code.

EXO Timer When the EXO function is programmed “On” (see EXO above), the horn drive out pin of the optional accessory cable is grounded for this period when receiving a matched 2-tone code.

Beep Repeat Timer

When “Repeat” is selected for the above “Beep” parameter, beeps are repeated at this period in seconds.

Auto Tx Timer

When the Auto TX function above is programmed “On”, the transceiver transmits for this set period when receiving a matched 2-tone code.

Tx Code ScreenCode Type Selects the “Individual” or “Group” code type.

1st/2nd Tone Frequency

Sets the frequencies for the first and second tones from 250-3300 Hz. The closest tone is selected.

1st/2nd Tone Period

Sets the period of the first and second tones.

Table 4-6 2-Tone Code Channel Screen Description (Continued)

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Table 4-7 Common Screen Description


UserPassword

Programs the password that must be entered at power on if the following “PWR ON Password” parameter is “On” or to cancel the “STUN” condition described in Table 4-6. Any four-digit number from 0000-9999 can be programmed. The password is entered as described in Section 3.3.2.

ProgramComment

Allows a comment to be programmed in the file for use in quickly identifying the contents of a transceiver. When a transceiver is connected to the computer, the comment can be checked without reading all programmed data by selecting “Information” in the Program menu (see Section 4.4.4).

AF Min Level

Sets the minimum audio level that can be selected by the user. The level can be set in 32 steps with 0 the lowest level. This setting can be overridden by pressing the F1 in the power-on menu (see Section 3.3.4).

SQL Level Sets the squelch level in up to 255 steps (0 sets the maximum unsquelched level). This adjustment can be more accurately made by pressing F4 in the power-on menu (see Section 3.3.4).

Rx AF Switch

This parameter can be used to disable the high-pass filter that removes the Call Guard (CTCSS/DTCS) signal from the audio. It should be programmed “On” if Call Guard squelch is used.

Auto ResetTimer A/B

These timer settings are used by the “Auto Reset” parameter in the channel screen (see Table 4-1). These times set the delay in returning to the mute mode or “Power On Scan” after receiving a message or pressing a key. To disable the Auto Reset function, set one of these timers to “Off” (0) and select it in the channel screen.

InactiveTimer

This feature is available with the PMR (European) mode only. It sets the time in seconds to return to the “Inaudible” mode after the “Audible” mode is selected. To turn off the inactive timer function, do not assign “Inactive” in the channel screen.

TOTTimer

Programs the time-out timer time in seconds. If the transmitter is keyed continuously for longer than this time, the transmitter is disabled. The time-out timer is enabled or disabled for each channel by the TOT parameter in the channel screen (see Table 4-1).

TOT Penalty Timer

This programs the time in seconds that the transmitter is disabled by the time-out timer. The transmitter cannot be keyed again until this time expires.

TOT ID Out If this parameter is enabled, an DTMF ID code is automatically transmitted just before the time-out timer disables the transmitter. This ID code is set on the Log/ID line of the DTMF Autodial screen (see Table 4-3).

TOT Beep If this parameter is enabled, warning beeps are transmitted 10 seconds before time out occurs.

LockoutPenaltyTimer

This is the time that the transmitter is disabled if the user attempts to transmit while in the lockout (Transmit Disable On Busy) condition. Transmitting is disabled for the Lockout Penalty Time even if the lockout condi-tion is cleared. The lockout feature is programmed on the channel screen (see Table 4-1).

CTCSSReverseBurst

If CTCSS (tone Call Guard) signaling is programmed on the channel, this sets the length of the reverse burst that is transmitted when the PTT switch is released. The reverse burst prevents the “squelch tail” (noise burst) in the transceiver receiving the signal.

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Power OnPassword

This turns the password function on and off. When it is turned on, “PWoRd” is displayed when power is turned on and a four-digit password must be entered to enable the transceiver (see Section 3.3.2). The password is pro-grammed in “User Password” above. If the STUN function disables the transceiver (see Table 4-6), password input is required even if this parameter is programmed “Off”.

DealerPasscode

Specifies the six-digit code that must be entered to access the following dealer set mode.

Set ModeAccess

This enables/disables the Dealer Set Mode which allows one transceiver to clone another with identical infor-mation. If the transceiver will not be used for cloning, the dealer set mode is not used and this parameter should be programmed “Inhibit”.

TransceiverData Out

Enables or inhibits the downloading of transceiver programming data using the programming software or when programming one transceiver with another (cloning). This prevents the unauthorized duplication of program-ming data. This does not inhibit overwriting of programming data, so reprogramming is still possible with this enabled.

Table 4-8 Expert Screen Description


Fast ScanTimer

Sets the period in seconds that each channel not programmed for CTCSS/DTCS (Call Guard) squelch is scanned. NOTE: An appropriate time is set by default and if a time less than the default is programmed, busy channels may not be detected.

Slow ScanTimer

Sets the period in seconds that each channel programmed for CTCSS/DTCS (Call Guard) squelch is scanned. NOTE: An appropriate time is set by default and if a time less than the default is programmed, busy channels may not be detected.

Tx DTCSInverse

Selecting “Inverse” selects the opposite transmit digital DTCS (Call Guard) code polarity specified for the channel (see Table 4-1) and selecting “Normal” does not change that setting. For example, if the channel is pro-grammed “I” (inverse), selecting “Inverse” here results in “Normal” DTCS. For DTCS signaling to work prop-erly, the polarity of the code in the transmitting and receiving transceivers must be the same.

Rx DTCSInverse

Functions the same as the preceding “Tx DTCS Inverse” parameter to change the receive DTCS polarity.

User CTCSS Freq.

A non-standard CTCSS (Call Guard) tone from 60.1-300.1 Hz can be programmed. It is then selected by pro-gramming “USER” for the CTCSS code in the channel screen (see Table 4-1).

Table 4-7 Common Screen Description (Continued)

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Emer SwOn Timer

Sets the period in seconds that the Emergency function key must be pressed to activate the emergency function. An emergency call is initiated by pressing the Emergency key for longer than this time.

Emer SwOff Timer

Sets the period in seconds that the Emergency function switch must be pressed to cancel an emergency call. This must be done before the call is transmitted because once it is transmitted, it cannot be canceled.

EmerStart/Repeat

Programs the delay and interval period in seconds for emergency calls. When the emergency switch is pressed and held, the emergency call is transmitted after this delay period. If the Emergency Repeat function key is pro-grammed (see Table 4-2), the transceiver then transmits repeatedly at this interval until an “Emergency Cancel” code is received.

Rx EXO Sets the condition of the horn output (pin 6) of the optional accessory cable in the receive mode. OFF = Horn drive control out, ON = Send (to ground when signal is received). One use of the “ON” condition may be for some type of simplified repeater system.

Rx EXO PTT

When Rx EXO is programmed “On”, pin 6 of the optional accessory cable is grounded for this period when receiving a signal. Normally this parameter is set to “0”.

EXPTT Delay Timer

Sets the period that the transmitter stays on after the receive signal disappears.

Tone Mute EXPTT

Enables or disables the CTCSS/DTCS (Call Guard) function with an external PTT signal. “On” disables and “Off” enables CTCSS/DTCS.

Low BeepFrequency

Sets the low beep tone frequency for 400 - 2998 Hz. The nearest available frequency is automatically selected.

High BeepFrequency

Sets the high beep tone frequency for 400 - 2998 Hz. The nearest available frequency is automatically selected.

Character Editor

Special characters can be designed using this function by enabling the available 14 segments in any combina-tion desired. The special characters created then can be entered when programming the “Text” parameters in the various screens. Up to 16 characters can be programmed and stored in locations A-P. To enter a special charac-ter when programming text, press the PgUp or PgDn keys to scroll through and select the desired character. Special characters can be displayed in positions 3-7 (1 and 2 must be standard characters).

Table 4-8 Expert Screen Description (Continued)

4.5 UNIQUE PMR (EUROPEAN) SCREENS

4.5.1 GENERAL

Selecting LMR or PMR in the Model menu (see Section 4.4.6) affects what parameters are displayed in some screens and also what additional screens are dis-played. Basically, selecting the LMR (U.S.A.) model displays parameters for the 2-tone option, and select-ing PMR (European) displays parameters for the 5-tone option.

NOTE: Optional 2/5-Tone Kit, Part No. 585-7500-026, is required to have the 5-tone function.

4.5.2 UNIQUE PMR SCREENS

The following menus and screens are different for LMR and PMR models:

Screen Menu - The LMR menu is described in Sec-tion 4.4.3, and the PMR version is shown below. .

Memory Channel Screen - The LMR version of this screen is shown in Table 4-1, and the PMR version is shown in Figure 4-2. Refer to on-line help for infor-mation on unique PMR parameters (press F1 with the parameter highlighted).

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The following screens selected in the preceding Screen menu are unique to PMR models. Refer to on-line help for information on parameters in these screens.

Rx Code Channel - This screen is shown below and it programs the receive 5-tone code information.

Tx Code Channel - This screen is shown below and it programs the transmit 5-tone code information.

User Tone Format - This screen is shown below and it programs special tone frequencies and the 5-tone format information.

4.6 CLONING (PROGRAMMING ONE TRANSCEIVER WITH ANOTHER)

One transceiver can be used to program another with identical data. Replication Cable, Part No. 597-2002-200 is required to connect the transceivers together (see Table 1-1). The master (source) trans-ceiver must have the following Common screen (see Table 4-7) parameters programmed to perform cloning:

• Transmit Data Out = Enabled. If this parameter is not enabled, the transceiver does not go into the clone mode. The programming of this parameter does not affect the ability to receive data. Therefore, it can be in either mode in the slave (target) transceiver.

• Set Mode Access = Enabled. This must be pro-grammed to allow the Dealer Set mode to be accessed so that cloning can be enabled.

• Dealer Passcode. This six-digit code must be known to enable the Dealer Set mode.

Proceed as follows to program one transceiver with another:

1. Select the Dealer Set mode in the Master (source) transceiver by turning power on with the F1 and up

key pressed.

2. The display then indicates “DEALR” which is the prompt to enter the six-digit Dealer Passcode. Enter this code using the F1-F4 and down key. The numbers represented by each key are as follows. When the correct number is entered, “SETMODE is displayed. If six digits have been entered and this is not displayed, an incorrect number may have been entered. Repeat starting with step 1. Refer to Section 3.3.2 for more information.

3. Press the F4 key to select the clone mode. The display should indicate “CLONE”.

Key

NumberEntered

05

16

27

38

49

F1 F2 F3 F4

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4. Connect the master transceiver to the slave (target) transceiver by plugging the cloning cable into the microphone jack of each.

5. Turn the slave transceiver on. Then momentarily press the POWER switch of the master transceiver to begin the data transfer.

6. When cloning is complete, CLONE is displayed by the master and CLONE OK by the slave.

7. To clone another transceiver, repeat this procedure starting with step 4.

8. To return both the transceivers to normal operation, reconnect the microphone and cycle power. .

Figure 4-2 Memory Channel Screen (PMR Models)

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VHF (7610) CIRCUIT DESCRIPTION

NOTE: A VHF transceiver block diagram is located on page 8-1.

5.1 VHF RECEIVER CIRCUIT

5.1.1 ANTENNA SWITCHING CIRCUIT

The antenna switching circuit functions as a low-pass filter while receiving and a resonator circuit while transmitting. This prevents the transmit signal from entering the receiver in the transmit mode.

Received signals enter the antenna connector and pass through a low-pass filter consisting of L1-L3, C1-C3, C8-C10, and C11-C13. The filtered signal is then fed through a quarter-wave type antenna switching cir-cuit formed by D13, D14, and L13 and applied to the receiver RF circuit.

5.1.2 RF CIRCUIT

The RF circuit amplifies the frequencies that are within the receive band range and attenuates out-of-band signals.

The signal from the antenna switching circuit passes through attenuator D13/D14. The attenuator circuit functions only when the attenuator function is assigned to a programmable key. It is enabled to mini-mize RF amplifier distortion caused by excessively strong receive signals.

When the attenuator function is turned on, CPU IC1, pin 32 switches the voltage level of the “RF ATT” line from high to low and then controls the attenuator switch Q35. The D13/D14 current then increases and D13/D14 act as an attenuator.

This signal is then applied to a two-stage tunable bandpass filter controlled by D16 and D17. The fil-tered signals are amplified by RF amplifier Q12 and applied to another two-stage bandpass filter controlled by D18-D21. These filters attenuate unwanted signals. The filtered signal is then applied to the first mixer Q13.

The tunable bandpass filters controlled by D16-D21 employ varactor diodes to tune them to the center

frequency of the RF passband. This gives a wide band-width receiver good image response rejection. The diodes are controlled by the CPU IC1 via level controller IC5.

5.1.3 FIRST MIXER AND FIRST IF CIRCUITS

The first mixer circuit converts the received sig-nal to a fixed frequency first IF signal of 31.050 MHz. The RF signal from the bandpass filter is applied to the first mixer Q13. This signal is mixed with the first LO signal from VCO Q7/Q8 and buffers Q6-Q4 to pro-duce the IF signal.

The 31.050 MHz first IF signal then passes through a pair of crystal filters (FI1A/B) which sup-press out-of-band signals. The filtered signal is then amplified by first IF amplifier Q14 and applied to sec-ond IF circuit IC3.

5.1.4 SECOND IF AND DEMODULATOR CIRCUITS

The second mixer circuit converts the 31.050 MHz first IF signal to a 450 kHz second IF signal. A double-conversion superheterodyne receiver like this improves the image rejection ratio and provides a stable receiver gain.

FM IF system IC3 contains second mixer, limiter amplifier, quadrature detector, active filter and noise amplifier circuits (see Figure 5-1). The first IF signal from IF amplifier Q14 is applied to IC3, pin 16 which is the input to the second mixer section. The 31.050 MHz first IF signal is mixed with the 30.600 MHz sec-ond LO signal to produce the 450 kHz second IF sig-nal. The PLL reference frequency of 15.300 MHz is doubled to produce the 30.600 MHz second LO signal.

The second IF signal is fed out of IC3 on pin 3 and applied to ceramic filters FI3 and FI4 with narrow band operation or only FI4 with wideband operation (bypassing FI3). It is then fed back into IC3 on pin 5 and applied to the limiter amplifier and quadrature detector. The quadrature detector demodulates the audio signal contained in the second IF signal. Com-ponents connected to pins 10 and 11 including X3

SECTION 5A VHF (7610) CIRCUIT DESCRIPTION


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Figure 5-1 Second IF System IC3 (VHF)

Figure 5-2 Audio Switching and Amplifier Circuit (VHF)

are part of the quadrature detector. The audio signal is fed out on pin 9 (IC3) and applied to the AF amplifier circuit.

5.1.5 AUDIO AMPLIFIER CIRCUIT

The AF (audio frequency) amplifier circuit pro-vides drive to the speaker (a block diagram is shown in Figure 5-2). The audio signal from IC3, pin 9 is applied to AF amplifier IC7A and then fed to pin 1 of AF switching circuit IC4. The switched output signal on IC4, pin 2 is then applied to high-pass filter IC8A/B. The cut-off frequency of this filter is controlled by the “AFHPF” line. When “AFHPF” is high, the cut-off frequency is shifted higher to attenuate the Call Guard (CTCSS or DTCS) signals.

The filtered output signal on IC8, pin 7 is applied to limiter IC7b and buffer IC7c. De-emphasis is pro-

vided by R145 and C182. The audio signal is then applied to pin 16 of level controller IC5. This device allows the CPU to control the speaker volume level. The level controlled signal is fed out of IC5 on pin 15 and applied to low-pass filter IC6b. It is then applied to AF switching circuit IC4 on pin 8, and the switched output is on pin 9. This signal is buffered by IC6d and then amplified by AF amplifier IC10 to provide drive to the speaker.

5.1.6 RECEIVER MUTE CIRCUIT

Noise Squelch

The noise squelch circuit turns off the audio sig-nal when no RF signal is being received. The squelch circuit is controlled by the amount of noise present in the audio signal.


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Part of the AF signal from pin 9 of FM IF circuit IC3 is applied to pin 24 of level controller IC5. This device allows the CPU to control the squelch threshold level. The level-controlled output signal on pin 23 is applied to IC3, pin 8 which is the input of an internal filter (see Figure 5-1). Noise frequencies of about 10 kHz are passed and then fed out on pin 7 and also applied to an internal noise detector.

The detected noise signal is rectified and fed out on pin 13 without smoothing. The noise signal (NOIS) is then applied to pin 19 of CPU IC1. The CPU ana-lyzes the noise condition and outputs the RMUT sig-nal via I/O expander IC11. This signal controls AF mute switches IC4a and c (see Figure 5-2).

Call Guard (CTCSS/DTCS) Operation

The tone Call Guard squelch circuit detects AF signals and opens the squelch only when receiving a signal containing a matching subaudible tone or code (CTCSS or DTCS). When tone squelch is in use and a signal with a mismatched or no subaudible tone is received, the tone squelch circuit mutes the AF signals even when noise squelch is open.

A portion of the audio signal from amplifier IC7a passes through low-pass filter Q5 in the front unit to remove voice signals. It is then applied to CPU IC1 on pin 97 via the “CTCIN” line. The CPU detects the CTCSS or DTCS signaling and controls the AF mute switch via I/O expander IC11.

5.2 VHF TRANSMITTER CIRCUIT

5.2.1 MICROPHONE AMPLIFIER CIRCUIT

The microphone amplifier circuit amplifies the microphone audio signal to the level required by the modulation circuit and also provides pre-emphasis.

The microphone audio signal is amplified by IC7d, with R172 and C295 on the output providing pre-emphasis. The microphone audio signal is then fed to switch IC4 on pin 4 and the switched output signal is on pin 3. This signal is then applied to high-pass fil-ter IC8a/b which attenuates frequencies in the Call Guard (CTCSS/DTCS) range. This is the same filter used for receive audio filtering.

The signal is then fed to IC7b and IC7c which provide buffering and amplification. Deviation limit-ing is then provided by level controller IC5. The input to this device is pin 16 and the output is pin 15. The signal is then fed to splatter filter IC6b and switch IC4. The input is on pin 11 and the output is on pin 10. The modulation signal is then applied to the PLL circuit as “MOD”.

Narrow band/wideband switch Q21 is connected to the input of the splatter filter IC6b and switched by the “NWC” signal from the I/O expander IC11. When “NWC” is high, Q21 shifts the filter cut-off frequency for narrow band deviation selection.

5.2.2 MODULATION CIRCUIT

The microphone audio signal modulates the fre-quency of VCO Q7/Q8. The “MOD” signal from switch IC4, pin 10 changes the reactance of diode D9 which frequency modulates the VCO frequency. The modulated VCO signal is amplified by buffer amplifi-ers Q6, Q5, and Q4 and applied to the transmit driver circuit.

5.2.3 TRANSMIT DRIVER CIRCUIT

The transmit driver circuit amplifies the VCO oscillating signal to the level required by the power amplifier module. The RF signal from buffer amplifier Q4 passes through the T/R switch D5 and is amplified by the buffer-amplifiers Q3 and Q2 and driver Q1. The signal is then applied to the power amplifier module IC1.

5.2.4 POWER AMPLIFIER MODULE

The power amplifier module amplifies the driver signal to the output power level. The RF signal from the driver Q1 is applied to the power module which produces 45 watts of output power at the antenna jack.

The amplified signal is fed through antenna switching circuit D3 and D4, a low-pass filter and APC detector, and is then applied to the antenna jack. The collector voltage of driver Q1 and the control voltage on pin 2 of the power module IC1 come from APC transistors Q17 and Q18. Transmit switch Q23 turns off Q17 and Q18 when the transmitter is disabled.



Figure 5-3 PLL Circuit (VHF)

5.2.5 APC CIRCUIT

The APC (Automatic Power Control) circuit pro-tects the power amplifier from damage caused by a mismatched antenna load, and provides a stable power output.

Detector D2 detects forward signals, and D1 detects reverse signals. The combined voltage is at minimum level when a matched antenna load of 50 ohms is present and then increases as it becomes mis-matched. The detected voltage is applied to pin 9 of inverse amplifier IC6c. Power setting voltage T4 is applied to the other input (pin 10) as a reference.

When antenna impedance is mismatched, the detected voltage exceeds the power setting voltage. The output voltage on pin 8 then decreases which turns Q18 off slightly. Q17 then turns off slightly and lowers the voltage applied to the collector of Q1 and the power control input of IC1. This reduces the output power produced by these devices.

5.3 VHF PLL CIRCUIT

5.3.1 PLL CIRCUIT

The PLL (Phase-Locked-Loop) circuit provides a stable (± 5 PPM) receive first injection and transmit frequency. The PLL circuit consists of PLL circuit IC2, a loop filter, and reference oscillator. A block dia-gram of the PLL circuit is shown in Figure 5-3.

The signal from VCO (Voltage-Controlled Oscil-lator) Q7/Q8 is buffered by Q6 and Q5 and then applied to pin 2 of IC2. The prescaler in IC2 divides the VCO signal down so that it is within the frequency range of the programmable counter.

A reference frequency generated by reference oscillator and controlled by crystal X1 is applied to pin 15 of IC1. This signal is divided down by a program-mable divider and provides the reference input to the phase detector. When the VCO is oscillating at the correct frequency, the VCO-derived input to the phase detector is the same frequency as the reference input.


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The phase detector determines the phase differ-ence between these signals and then produces output pulses on pin 8 which are filtered by the loop filter. This filter consists of R43-R45, C60, and C61. The output of this filter is the DC control voltage applied to the VCO. The phase detector increases or decreases this control voltage to change the VCO frequency.

5.3.2 VCO CIRCUIT

The VCO signal is amplified by buffer amplifiers Q6 and Q4 and is then applied to T/R switch D5 and D6. The VCO receive injection signal is applied to first mixer Q13 via bandpass filter L23, L24, and C116-C118. Likewise, the VCO transmit signal is applied to driver Q1 via buffer amplifiers Q2 and Q3. Part of the Q6 output signal is fed back to PLL IC2 as described in the preceding section.

5.4 VHF IC PIN DESCRIPTIONS

5.4.1 VHF POWER SUPPLY

5.4.2 VHF CPU IC1 PORT ALLOCATION

Line Description

VCC Unswitched input voltage to the transceiver.

HV VCC supply voltage switched by Q25 and Q26. When the [POWER] switch is pressed, the CPU outputs the “PWON” control signal to this circuit to turn the HV supply on.

CPU5V Common 5V supply for the CPU produced from the VCC supply by CPU5V regulator IC9. The circuit outputs this voltage regardless of the transceiver on-off condition.

8V Common 8V supply produced from the HV supply by 8V regulator Q36.

5V Common 5V supply produced from the VCC supply by 5V regulator Q29/Q30.

R5 Receive 5V supply produced by R5 regulator Q27 using the “T5C” signal from I/O expander IC IC11.

T5 Transmit 5V supply controlled by T5 regulator Q28 using the “T5C” signal from I/O expander IC11.

Pin No.

Port Name

Description

1 VIN Input port for overvoltage detection from the vehicle power source.

12 SCK Outputs clock signal to EEPROM IC3, PLL IC2 (main unit) and expanders IC5, IC11 (main unit), etc.

13 SI Input port for the data signal from EEPROM IC3, etc.

14 SO Outputs data signal to EEPROM IC3, PLL IC2 (main unit) and expanders IC5, IC11 (main unit).

16 CLIN Input port for cloning signal.

17 CLOUT Output port for cloning signal.

18 POSW Input for the POWER switch. Low = POWER switch pushed.

19 NOIS NOIS signal input port from the FM IF IC3 (main unit) for noise squelch operation.

26 PTT Input port for the PTT switch. Low = PTT switch pushed.

32 RFATT Outputs RF attenuator control signal to the attenuator switch (Q35 on main unit).Low = Attenuator function on.

36 UNLK Input port for PLL unlock signal from the PLL IC2 (main unit). High = unlock.

37 PWON Outputs control signal for the power switching circuit (Q25 on main unit) and 5V regulator Q29, Q30 (main unit).

38 DIM Outputs control signal for LCD backlight. Low = LCD backlight on.

39 EXTPTT Input port for the PTT switch from exter-nal connector J3 (main unit). Low = Exter-nal PTT switch on.

40 DIM Input port for the LCD backlight control signal from external connector J3 (main unit). Low = External dimmer switch on.

41 PLST Outputs strobe signals for PLL IC2 (main unit).

42 DAST Outputs strobe signals for level controller IC5 (main unit).

43 EXST Outputs strobe signals for the I/O expander IC11 (main unit).

45, 46

KS1, KS2

Output ports for the key matrix.

47-50

KR3-KR10

Input ports for the key matrix.



5.4.3 VHF I/O EXPANDER IC5 (MAIN UNIT)

5.4.4 VHF PORT EXPANDER IC11 (MAIN UNIT)

51 BM Outputs control signal for beep mute cir-cuit Q10. High = Beep muted.

52-54

CTDA0-CTDA2

Output port for CTCSS/DTCS signals.

55 HANG Input port for the microphone hanger detection signal. Low = Microphone on hook.

90 MTONE Output port for beep audio while receiving and 2/5 tone signals while transmitting.

91 TONED Outputs DTMF signals.

94-96

OPV3-OPV1

Input port for option connector J2 state (main unit).

97 CTCIN Input port for the CTCSS/DTCS IN decode signals.

98 SD Input port for S-meter signal.

99 LVIN Input port for PLL lock voltage.

100 TEMP Input port for the transceiver’s internal temperature.

Pin No.

Port Name

Description

2, 3, 10

T1-T3 Output tunable bandpass filter control signals.

11 T4 Output port for tunable bandpass filter control signal while receiving and power control signal while transmitting.

14 REF Output port for reference frequency control voltage.

Pin No.

Port Name

Description

Pin No.

Port Name

Description

4 T5C Outputs control signal for T5 and R5 regu-lator circuits Q27, Q28 (main unit). High = Transmitting.

5 TMUT Outputs Tx mute switch Q19, Q23 (main unit) control signal. High = Tx muted.

6 RM Outputs AF mute switch IC4 (main unit) control signal for the receiver circuit. High = No receive audio is emitted.

7 MM Outputs MIC mute control signal. High = DTMF signals are output, etc.

11 HORNO Outputs external device control signal. High = Matched 2/5-tone signals are received.

12 AFON Outputs control signal for the AF amplifier regulator circuit. High = Squelch is open, etc.

13 AFHPF Outputs AF filter control signal. High = Filter out CTCSS or DTCS frequency.

14 NWC Outputs receive/transmit passband width control signal. High = Narrow bandwidth is selected.

5B-7November 1998

Part No. 001-7600-001

UHF (7640) CIRCUIT DESCRIPTION

SECTION 5B UHF (7640) CIRCUIT DESCRIPTION

NOTE: The UHF transceiver block diagram is located on page 8-6.

5.5 UHF RECEIVER CIRCUIT

5.5.1 ANTENNA SWITCHING CIRCUIT

The antenna switching circuit functions as a low-pass filter while receiving and a resonator circuit while transmitting. This prevents the transmit signal from entering the receiver in the transmit mode.

Received signals enter the antenna connector and pass through a low-pass filter consisting of L1-L3, C1, C2, and C9-C12. The filtered signal is then fed through a quarter-wave type antenna switching circuit formed by D4, D5, and L15 and applied to the receiver RF circuit.

5.5.2 RF CIRCUIT

The RF circuit amplifies the frequencies that are within the receive band range and attenuates out-of-band signals.

The signal from the antenna switching circuit passes through attenuator D4/D5. The attenuator cir-cuit functions only when the attenuator function is assigned to a programmable key. It is enabled to mini-mize RF amplifier distortion caused by excessively strong receive signals.

When the attenuator function is turned on, CPU IC1, pin 32 switches the voltage level of the “RF ATT” line from high to low and then controls the attenuator switch Q1. The D4/D5 current then increases and D4/D5 act as an attenuator.

This signal is then applied to a two-stage tunable bandpass filter controlled by D7 and D8. The filtered signals are amplified by RF amplifier Q2 and applied to another two-stage bandpass filter controlled by D9 and D10. These filters attenuate unwanted signals. The filtered signal is then applied to the first mixer Q3.

The tunable bandpass filters controlled by D7-D10 employ varactor diodes to tune them to the center frequency of the RF passband. This gives a wide bandwidth receiver good image response rejection. The diodes are controlled by the CPU IC1 via level controller IC12.

5.5.3 FIRST MIXER AND FIRST IF CIRCUITS

The first mixer circuit converts the received sig-nal to a fixed frequency first IF signal of 46.350 MHz. The RF signal from the bandpass filter is applied to the first mixer Q3. This signal is mixed with the first LO signal from VCO Q23 and buffers Q28 and Q30 to produce the IF signal.

The 46.350 MHz first IF signal then passes through a pair of crystal filters (FI1A/B) which sup-press out-of-band signals. The filtered signal is then amplified by first IF amplifier Q4 and applied to second IF system IC1.

5.5.4 SECOND IF AND DEMODULATOR CIRCUITS

The second mixer circuit converts the 46.350 MHz first IF signal to a 450 kHz second IF signal. A double-conversion superheterodyne receiver like this improves the image rejection ratio and provides a stable receiver gain.

FM IF system IC1 contains second mixer, limiter amplifier, quadrature detector, active filter and noise amplifier circuits (see Figure 5-4). The first IF signal from IF amplifier Q4 is applied to IC1, pin 16 which is the input to the second mixer section. The 46.350 MHz first IF signal is mixed with the 45.900 MHz second LO signal to produce the 450 kHz second IF signal. The PLL reference frequency of 15.300 MHz is tripled to produce the 45.900 MHz second LO signal.

The second IF signal is fed out of IC1 on pin 3 and applied to ceramic filters FI2 and FI3 with narrow band operation or only FI2 with wideband operation (bypassing FI3). It is then fed back into IC1 on pin 5


5B-8November 1998Part No. 001-7600-001

Figure 5-4 Second IF System IC1 (UHF)

Figure 5-5 Audio Switching and Amplifier Circuit (UHF)

and applied to the limiter amplifier and quadrature detector. The quadrature detector demodulates the audio signal contained in the second IF signal. Com-ponents connected to pins 10 and 11 including X1are part of the quadrature detector. The audio signal is fed out on pin 9 (IC1) and applied to the AF amplifier circuit.

5.5.5 AUDIO AMPLIFIER CIRCUIT

The AF (audio frequency) amplifier circuit pro-vides drive to the speaker (see block diagram in Figure 5-5). The audio signal from IC1, pin 9 is applied to AF amplifier IC7b and then fed to high-pass filter IC6c/IC6d. The cut-off frequency of this filter is controlled by the “AFHPF” line. When “AFHPF” is high, the cut-off frequency is shifted higher to attenuate the Call Guard (CTCSS or DTCS) signals.

The filtered output signal on IC6d, pin 14 is applied to pin 8 of AF switching circuit IC11. The switched output signal on IC11, pin 9 is then applied to pin 16 of level controller IC12. This device allows the CPU to control the speaker volume level. The vol-ume controlled output on pin 15 is then applied to pin 2 of AF switching circuit IC11. The switched output on pin 1 is applied to pin 4 of de-emphasis circuit IC4a. The signal is then amplified by IC9 to provide drive to the speaker.

5.5.6 RECEIVER MUTE CIRCUIT

Noise Squelch

The noise squelch circuit turns off the audio sig-nal when no RF signal is being received. The squelch circuit is controlled by the amount of noise present in the audio signal.


5B-9November 1998

Part No. 001-7600-001

Part of the AF signal from pin 9 of FM IF circuit IC1 is applied to pin 24 of level controller IC12. This device allows the CPU to control the squelch threshold level. The level-controlled output signal on pin 23 is applied to IC1, pin 8 which is the input of an internal filter (see Figure 5-4). Noise frequencies are passed and then fed out on pin 7 and also applied to an inter-nal noise detector.

The detected noise signals are rectified and fed out on pin 13 without smoothing. The noise signal (NOIS) is then applied to pin 19 of CPU IC1. The CPU analyzes the noise condition and outputs the RMUT signal via I/O expander IC13. This signal con-trols AF mute switch IC11a (see Figure 5-5).

Call Guard (CTCSS/DTCS) Operation

The tone Call Guard squelch circuit detects AF signals and opens the squelch only when receiving a signal containing a matching subaudible tone or code (CTCSS or DTCS). When tone squelch is in use and a signal with a mismatched or no subaudible tone is received, the tone squelch circuit mutes the AF signals even when noise squelch is open.

A portion of the audio signal from amplifier IC7b passes through low-pass filter Q5 in the front unit to remove voice signals. It is then applied to CPU IC1 on pin 97 via the “CTCIN” line. The CPU detects the CTCSS or DTCS signaling and controls the AF mute switch via I/O I/O expander IC13.

5.6 UHF TRANSMITTER CIRCUIT

5.6.1 MICROPHONE AMPLIFIER CIRCUIT

The microphone amplifier circuit amplifies the microphone audio signal to the level required by the modulation circuit and also provides pre-emphasis.

The microphone audio signal is amplified by IC8b and limited by IC8a. Pre-emphasis is provided by R152 and C180. The signal is then fed to splatter filter IC7a and then to pin 11 of switching circuit IC11.

The output signal from IC11 on pin 10 is fed to pin 16 of level controller IC12. This device provides deviation control and is also used in the receive mode to provide volume control. The level controlled output on pin 15 is fed to pin 3 of switching circuit IC11. The switched output (MOD) on pin 4 is then applied to the PLL circuit (D21) where it frequency modulates the transmit signal.

Narrow band/wideband switch Q35 is connected to the input of the splatter filter IC7a and switched by the “NWC” signal from the I/O expander IC13. When “NWC” is high, Q35 shifts the filter cut-off frequency for narrow band deviation selection.

5.6.2 MODULATION CIRCUIT

The microphone audio signal modulates the fre-quency of transmit VCO Q25. The “MOD” signal from switch IC11, pin 4 changes the reactance of diode D21 and this modulates the frequency of trans-mit VCO Q25. The modulated VCO signal is ampli-fied by buffer amplifiers Q28 and Q30 and applied to the transmit driver circuit (Q21).

5.6.3 TRANSMIT DRIVER CIRCUIT

The transmit driver circuit amplifies the VCO oscillating signal to the level required by the power amplifier module. The RF signal from buffer amplifier Q30 passes through the T/R switch D18 and is ampli-fied by the buffer amplifiers Q21, Q20, and driver Q19. The signal is then applied to the power amplifier module IC5.

5.6.4 POWER AMPLIFIER MODULE

The power amplifier module amplifies the driver signal to the output power level. The RF signal from the driver Q19 is applied to the power module which produces 35 watts of output power at the antenna jack.

The amplified signal is fed through antenna switching circuit D3, a low-pass filter and APC detec-tor, and is then applied to the antenna jack. The collec-tor voltage of driver Q19 and the control voltage on pin 2 of the power module IC5 come from APC tran-sistors Q17 and Q18. Transmit switch Q16 turns off Q17 and Q18 when the transmitter is disabled.



Figure 5-6 PLL Circuit (UHF)

5.6.5 APC CIRCUIT

The APC (Automatic Power Control) circuit pro-tects the power amplifier from damage caused by a mismatched antenna load, and provides a stable power output.

One diode in D1 detects forward signals and the other detects reverse signals. The combined voltage is at minimum level when a matched antenna load of 50 ohms is present and then increases as it becomes mis-matched. The detected voltage is applied to pin 6 of inverse amplifier IC4b. Power setting voltage T4 is applied to the other input (pin 5) as a reference.

When antenna impedance is mismatched, the detected voltage exceeds the power setting voltage. The output voltage on pin 7 then decreases which turns Q17 off slightly. Transistor Q18 then turns off slightly and lowers the voltage applied to the collec-tor of Q19 and the power control input of IC5. This reduces the output power produced by these devices.

5.7 UHF PLL CIRCUIT

5.7.1 PLL CIRCUIT

The PLL (Phase-Locked-Loop) circuit provides a stable (± 2.5 PPM) receive first injection and transmit frequency. The PLL circuit consists of PLL circuit IC2, a loop filter, and reference oscillator. A block diagram of the PLL circuit is shown in Figure 5-6.

The signal from VCOs (Voltage-Controlled Oscillator) Q23 and Q25 is buffered by Q28 and Q29 and then applied to pin 2 of IC10. The prescaler in IC10 divides the VCO signal down so that it is within the frequency range of the programmable counter.

A reference frequency generated by reference oscillator X2 is applied to pin 15 of IC1. This signal is divided down by a programmable divider and pro-vides the reference input to the phase detector. When the VCO is oscillating at the correct frequency, the VCO-derived input to the phase detector is the same frequency as the reference input.


5B-11November 1998

Part No. 001-7600-001

The phase detector determines the phase differ-ence between these signals and then produces output pulses on pin 8 which are filtered by the loop filter. This filter consists of Q34, R180, R181, and C202- C204. The output of this filter is the DC control volt-age applied to the VCO. The phase detector increases or decreases this control voltage to change the VCO frequency.

5.7.2 VCO CIRCUIT

Separate receive and transmit VCOs are used. The receive VCO consists of Q23/D20/D34 and the transmit VCO consists of Q25/D22/D33. The signal from these VCOs is amplified by buffer amplifiers Q28 and Q29 and is then applied to T/R switch D18 and D19. The VCO receive injection signal is applied to first mixer Q3, and the VCO transmit signal is applied to driver Q21. Part of the Q28 output signal is amplified by Q29 and fed back to PLL IC10, pin 2 as described in the preceding section.

5.7.3 UHF POWER SUPPLY

5.7.4 UHF CPU IC1 PORT ALLOCATION

Line Description

VCC Unswitched input voltage to the transceiver.

HV VCC supply voltage switched by Q14 and Q15. When the [POWER] switch is pressed, the CPU outputs the “PWON” control signal to this circuit to turn the HV supply on.

CPU5V Common 5V supply for the CPU produced from the VCC supply by CPU5V regulator IC3. The circuit outputs this voltage regardless of the transceiver on-off condition.

8V Common 8V supply produced from the HV supply by 8V regulator IC2.

5V Common 5V supply produced from the HV supply by 5V regulator Q12/Q13.

R8 Receive 8V supply produced by R8 regulator Q10/Q11 using the “TXC” signal from I/O expander IC13.

T8 Transmit 8V supply controlled by T8 regulator Q8/Q9 using the “TMUT” signal from I/O expander IC13.

Pin No.

Port Name

Description

1 VIN Input port for overvoltage detection from the vehicle power source.

12 SCK Outputs clock signal to EEPROM IC3, PLL IC10 (main unit) and expanders IC12, IC13 (main unit), etc.

13 SI Input port for the data signal from EEPROM IC3, etc.

14 SO Outputs data signal to EEPROM IC3, PLL IC10 (main unit) and expanders IC12, IC13 (main unit).

16 CLIN Input port for cloning signal.

17 CLOUT Output port for cloning signal.

18 POSW Input for the POWER switch. Low = POWER switch pushed.

19 NOIS NOIS signal input port from the FM IF IC1 (main unit) for noise squelch operation.

26 PTT Input port for the PTT switch. Low = PTT switch pushed.

32 RFATT Outputs RF attenuator control signal to the attenuator switch (Q1 on main unit).Low = Attenuator function on.

36 UNLK Input port for PLL unlock signal from the PLL IC10 (main unit). High = unlock.

37 PWON Outputs control signal for the power switching circuit (Q14/Q15 on main unit).

38 DIM Outputs control signal for LCD backlight. Low = LCD backlight on.

39 EXTPTT Input port for the PTT switch from exter-nal connector J5 (main unit). Low = External PTT switch on.

40 DIM Input port for the LCD backlight control signal from external connector J5 (main unit). Low = External dimmer switch on.

41 PLST Outputs strobe signals for PLL IC10 (main unit).

42 DAST Outputs strobe signals for level controller IC12 (main unit).

43 EXST Outputs strobe signals for the I/O expander IC13 (main unit).

45, 46

KS1, KS2

Output ports for the key matrix.

47-50

KR3-KR10

Input ports for the key matrix



5.7.5 UHF I/O EXPANDER IC12 (MAIN UNIT)

5.7.6 UHF PORT EXPANDER IC13 (MAIN UNIT)

51 BM Outputs control signal for beep mute cir-cuit Q10. High = Beep muted.

52-54

CTDA0-CTDA2

Output port for CTCSS/DTCS signals.

55 HANG Input port for the microphone hanger detection signal. Low = Microphone on hook.

90 MTONE Output port for beep audio while receiving and 2/5 tone signals while transmitting.

91 TONED Outputs DTMF signals.

94-96

OPV3-OPV1

Input port for option connector J4 state (main unit).

97 CTCIN Input port for the CTCSS/DTCS IN decode signals.

98 SD Input port for S-meter signal.

99 LVIN Input port for PLL lock voltage.

100 TEMP Input port for the transceiver’s internal temperature.

Pin No.

Port Name

Description

2, 3, 10

T1-T3 Output tunable bandpass filter control signals.

11 T4 Output port for tunable bandpass filter control signal while receiving and power control signal while transmitting.

14 REF Output port for reference frequency control voltage.

Pin No.

Port Name

Description

Pin No.

Port Name

Description

4 TXC Outputs control signal for R8 regulator Q10/Q11 (main unit). High = Transmit mode.

5 TMUT Outputs control signal for T8 regulator Q8/Q9 (main unit). High = Transmitter off.

6 RM Outputs AF mute switch IC11(main unit) control signal for the receiver circuit. High = No receive audio is emitted.

7 MM Outputs MIC mute control signal. High = DTMF signals are output, etc.

11 HORNO Outputs external device control signal. High = Matched 2/5-tone signals are received.

12 AFON Outputs control signal for the AF amplifier regulator circuit. High = Squelch is open, etc.

13 AFHPF Outputs AF filter control signal. High = Filter out CTCSS or DTCS frequency.

14 NWC Outputs receive/transmit passband width control signal. High = Narrow bandwidth is selected.

6-1November 1998

Part No. 001-7600-001

ADJUSTMENT PROCEDURE

Figure 6-1 Test Setup

Programming CablePart No. 585-7500-031

Test Cable (Fabricated)

13.6 Volt, 17APower Supply

Wattmeter

Load50 Ohm, 50W

FrequencyMonitor

4.0 Ohm Speaker Load

6.1 GENERAL

6.1.1 SUGGESTED TEST EQUIPMENT

The equipment that should be used to adjust this transceiver is listed in the following table.

Equipment Grade and Range

DC power supply Output voltage 13.6 VDCCurrent capacity 15A

RF power meter Measuring range 1-50 WFreq range 146-512 MHzImpedance 50 ohmsSWR Less than 1.2:1

Frequency counter Freq range 0.1-500 MHzFreq accuracy ±1 ppm or betterSensitivity 100 mV or better

FM deviation meter

Freq range DC-520 MHzMeasuring range 0 to ±10 kHz

Audio generator Freq range 67-3000 HzOutput level 1-500 mV

Attenuator Power atten. 50 or 60 dBCapacity 50W

Standard Signal Generator (SSG)

Freq range 146-520 MHzOutput level 0.1 µV-32 mV

(–127 to –17 dBm)

DC voltmeter Input impedance 50kΩ/V DC orbetter

Oscilloscope Freq range DC-20 MHzMeasuring range 0.01-20V

AC millivoltmeter Measuring range 10 mV - 10V

External Speaker Input Impedance 4 ΩPower Capacity 5 watts min.

Equipment Grade and Range

SECTION 6 ADJUSTMENT PROCEDURE


6-2November 1998Part No. 001-7600-001

Figure 6-2 Screen Display Example

Figure 6-3 Test Cable Schematic

DTCS Bal Level

Squelch Level

Selected Channel Info

RF Power Output

FM Deviation

DTCS Balance

Reference Frequency

Supply Voltage

Internal Temp

PLL Lock Voltage

RSSI

IC5/IC12 D/A Outputs

NOTE: The above values for the various settings are examples only. Because of component tolerances, the optimum setting for each transceiver will probably be different.

Rx Bandpass FilterSquelch Level

Adjusts Current Vol Level

Pin 8

Pin 1

Pin 7 (Ground)

Pin 2 (Clone) Pin 4 (PTT)

Pin 5 (MICE “+”) Pin 6 (MIC “–”)

Programming Cable

PTTSw Mic In

To Transceiver

To Computer

6.1.2 TEST CHANNELS

NOTE: Before programming the test channels, down-load the current programming data in the transceiver and save it to a disk file so that it can be reloaded after the adjustments are complete.

Test channels at the low, middle (VHF only), and high ends of the operating band, and High, Low1, and Low2 RF output power are required to perform the adjustments in this section. These test channels are listed in Tables 6-1 and 6-2, and they must be pro-grammed as regular channels using the programming

software described in Section 4. There are no fixed test channels or test modes selectable with this transceiver.

6.1.3 TEST CABLE

The test cable shown Figure 6-3 in must be fabri-cated to perform transceiver alignment. This cable is used in place of the adapter cable shown in Figure 4-1. It is required because in addition to connecting the computer to the microphone jack, a transmit audio and keying (PTT) signal must be applied to that jack. If desired, Replication Cable, Part No. 597-2002-200, can be modified to provide the 8-pin modular-style connector required for this test cable.


6-3November 1998

Part No. 001-7600-001

Table 6-1 VHF Test Frequencies

Test ChannelTx/Rx Freq

(MHz)Power

Call Guard Squelch

Bandwidth [1]

1 174.050 Low1 None Narrow or wide


3 160.050 High None Narrow or wide



6 160.050 Low1 007N DTCS Narrow or wide

7 [1] 160.050 Low1 None Alternate

8 [1] 160.050 Low1 007 DTCS Alternate

[1] If the transceiver operates on only narrow or wide band channels, program only chan-nels 1-6, and program them for the type of channels used (narrow or wide band). If the transceiver operates on both wide and narrow band channels, program additional channels 7 and 8 for the other type of operation.

Table 6-2 UHF Test Frequencies

Test ChannelModel (see Section 1.4)

PowerCall Guard

SquelchBandwidth [1]

400-430 MHz 450-470 MHz 470-490 MHz 488-512 MHz1 400.050 450.050 470.050 490.050 Low1 None Narrow or wide

2 430.050 470.050 490.050 512.050 Low1 None Narrow or wide

3 400.050 450.050 470.050 490.050 High None Narrow or wide

4 400.050 450.050 470.050 490.050 Low2 None Narrow or wide

5 400.050 450.050 470.050 490.050 Low1 007N DTCS Narrow or wide

6 [1] 400.050 450.050 470.050 490.050 Low1 None Alternate

7 [1] 400.050 450.050 470.050 490.050 Low1 007N DTCS Alternate

[1] If the transceiver operates on only narrow or wide band channels, program only channels 1-5, and program them for the type of channels used (narrow or wide band). If the transceiver operates on both wide and narrow band channels, program additional channels 6 and 7 for the other type of operation.

6.1.4 COMPUTER-AIDED TUNING

To make most adjustments described in the fol-lowing information, the computer setup used for pro-gramming (see Section 4) and special Adjust software are required. The Adjust software is included on the disk with the programming software in a separate sub-directory called ADJ. To set up the transceiver for use with this equipment, proceed as follows:

1. Copy the Adjust software to the hard disk or a pro-gramming disk as described in Section 4.1.3

2. Turn transceiver power on and connect the com-puter to the transceiver microphone jack using the programming cable and fabricated test cable described in the preceding section (see Figure 6-1).

3. Start the computer in the DOS mode. Make the cur-rent directory the ADJ subdirectory and start the program by typing the following:

ADJUST /X /Y

X = A - VHF (normal crystal), B - UHF (TCXO)Y = 1 - Serial port 1, 2 - Serial port 2

For example, if tuning a VHF transceiver and the programming cable is connected to serial port 2 of the computer, type ADJUST /A /2 (ENTER).

4. The tune data in the connected transceiver is then downloaded and the adjustment screen shown in Figure 6-2 is displayed. The information displayed


6-4November 1998Part No. 001-7600-001

in the upper part of the screen is for the currently selected channel.

5. To move the cursor between the parameters on the left side of the bar graph, press the ↑ ↓ arrow keys. To change a parameter, press the ← →, PgUp/PgDn, backspace, or spacebar keys. Refer to the individual adjustment descriptions for more information on the functions performed using this screen.

6.1.5 REPROGRAMMING IF EEPROM IS RE-PLACED OR ERROR OCCURS

When EEPROM IC3 is replaced or if the trans-ceiver displays an error message and beeps, the fol-lowing operation must be performed before making any adjustments.

1. Using the programming software, read (download) the data programmed in an exact same version of the transceiver. Refer to Section 4.4.4 for more information on reading data.

2. Select the MODEL menu and press the down arrow ( ↓ ) key. Type “RESERVE” and press (ENTER). The “Reserved” indicator should begin flashing in the upper right corner of the screen.

3. Connect the computer to the transceiver that had the EEPROM replaced or is displaying the error (see Figure 4-1). Write the current data to that transceiver.

6.2 PRELIMINARY SETUP

1. Preprogram the transceiver with test channels as described in Section 6.1.2.

2. Connect the computer test setup using the test cable described in Sections 6.1.3 and 6.1.4. Start the program as described.

3. Connect a DC power supply and a 50-ohm, 50-watt antenna load to the transceiver (see Section 6.1.1).

VHF ADJUSTMENTS

6.3 PLL ADJUSTMENT (VHF MODELS)

1. Remove the bottom cover by removing four screws. Connect a DC voltmeter to check point CP1 shown in Figure 6-4.

2. Select the channel on the high end of the band (Test Ch. 1 - 174.050 MHz). This is done by press-ing the ↑ ↓ arrow keys to highlight “Memory CH” and then pressing the adjust keys (←/→, PgUp/PgDn, or spacebar/backspace) to select the channel.

3. Key the transmitter using the switch on the test cable and the meter reading should be 4.3 volts. If this voltage is significantly different, adjust L14 (it may be necessary to remove the VCO shield).

4. Unkey the transmitter and the meter reading in the receive mode should be 3.3 – 4.3 volts.

5. Select the channel on the low end of the band (Test Ch. 2 - 146.050 MHz). The meter reading should be 0.9 – 1.9 volt in both the transmit and receive modes. Replace the bottom cover.

6.4 TRANSMITTER ADJUSTMENTS (VHF MODELS)

6.4.1 REFERENCE FREQUENCY

1. Select the channel on the high end of the band (Test Ch. 1 - 174.050 MHz).

2. Scroll down to “TXF SET” on the screen and press (Enter). Monitor the transmit signal with a fre-quency counter and key the transmitter using the test cable switch.

3. Adjust for the displayed frequency by pressing the computer adjust keys. Unkey the transmitter.

VHF ADJUSTMENTS


6-5November 1998

Part No. 001-7600-001

Figure 6-4 VHF Adjustment Points

4. Press (Enter) again to select the second adjust chan-nel. Key the transmitter and adjust for the displayed frequency. Unkey the transmitter and press (Enter) again to exit this function.

6.4.2 OUTPUT POWER ADJUST

1. Select the high power channel in the middle of the band (Test Ch. 3 - 160.050 MHz). Connect a power meter to the antenna jack.

2. Scroll to “Power (Hi)” on the screen and key the transmitter using the test cable switch. Use the com-

puter adjust keys to set the following power. Unkey the transmitter. Repeat for the Low2 (Test Ch. 4) and Low1 (Test Ch. 5) power levels.

High Power = 45 watts (Test Ch. 3)Low2 Power = 25 watts (Test Ch. 4)Low1 Power = 4.5 watts (Test Ch. 5)

6.4.3 FM DEVIATION ADJUST

1. Connect an audio generator to the microphone audio input of the test cable (pin 5 shown in Figure 6-3). Set the generator output for 1 kHz at 40 mV rms.

L14PLL lock voltageadjustment

CP1PLL lock voltagecheck point

VHF ADJUSTMENTS (CONT’D)


6-6November 1998Part No. 001-7600-001

2. Select the low power channel in the middle of the band (Test Ch. 5 - 160.050 MHz). On the computer screen, scroll to “MOD N” if setting narrow band deviation or “MOD W” if setting wideband deviation.

3. Monitor the transmit deviation with a communica-tions monitor set as follows: HPF = Off, LPF = 20 kHz, De-Emphasis = Off, Detector = (P–P)/2.

4. Key the transmitter using the test cable switch and set the following maximum deviation by pressing the adjust keys (←/→, PgUp/PgDn, or spacebar/backspace). Unkey the transmitter.

Wideband (30 kHz) Models - 4.2 kHzNarrow Band (12.5 kHz) Models - 2.1 kHz

5. If the transceiver operates on both narrow and wide band channels, select Test Ch. 7 and also adjust the deviation on that channel (see note in Table 6-1).

6.4.4 DTCS WAVEFORM ADJUST

1. Select a channel in the middle of the band pro-grammed for DTCS (Test Ch. 8 - 160.050 MHz). On the computer screen, scroll to “DTCS N” if setting a narrow band channel or “DTCS W” if setting a wideband channel.

2. Key the transmitter and view the demodulated sig-nal on the CRT of a communications monitor.

3. Press the adjust keys on the computer so that the waveform appears as follows:

4. If the transceiver operates on both narrow and wide band channels, select Test Ch. 8 and also set the waveform on that channel (see note in Table 6-1).

6.5 RECEIVER ADJUSTMENTS (VHF MODELS)

6.5.1 BANDPASS FILTER ADJUST

1. Select the channel on the low end of the band (Test Ch. 2 - 146.050 MHz).

2. Connect an RF signal generator to the antenna jack. Set the output for the channel frequency at a level of 3.2 µV (–97 dBm), modulated with 1 kHz at the following deviation:

Wideband (30 kHz) Models - 3.5 kHzNarrowband (12.5 kHz) Models - 1.75 kHz

3. Adjust the filters automatically or manually as follows:

Automatic Adjustment Method 1(Adjusts all filters)

a. Select “BPF T1” on the screen and adjust for “0”. Repeat for T2 – T4. Reselect “BPF T1”.

b. Press the F9 key and all filters are automatically adjusted for peak levels.

Automatic Adjustment Method 2(Adjusts only one filter at a time)

a. Select “BPF T1” and press F8 to automatically adjust it for a peak level.

b. Repeat for the other three filters.

Manual Adjustment

a. Connect a SINAD meter with a 4-ohm load to the external speaker jack (see Figure 6-4).

b. Select “BPF T1” and press the adjust keys (←/→, PgUp/PgDn, or spacebar/backspace) to obtain minimum distortion.

c. Repeat for the other three filters.

6.5.2 SQUELCH ADJUST

NOTE: The squelch level can also be set from the front panel as described in Section 3.3.6.

1. Select the channel on the low end of the operating band (Test Ch. 2 - 146.050 MHz).

2. Connect a SINAD meter with a 4-ohm load to the external speaker jack.

Set ForFlat

Waveform



6-7November 1998

Part No. 001-7600-001

3. Connect an RF signal generator to the antenna jack. Set it to the channel frequency with an output mod-ulated with 1 kHz at the following deviation:


4. Scroll to “SQL” on the computer screen and press the adjust keys to lower the displayed number so that the receiver unsquelches (the 1 kHz tone is heard). Also adjust the volume if necessary.

5. Adjust the signal generator output to obtain 8 dB SINAD.

6. Press the computer adjust keys to increase the dis-played number to the point where the receiver squelches. Then slowly adjust the number down-ward again until the receiver just unsquelches.

6.5.3 BEEP TONE LEVEL

This adjustment sets the volume of the beep tone that is heard when keys are pressed and at other times (if it is enabled). The computer setup used in the pre-ceding steps is not required for this adjustment. Proceed as follows:

1. Unplug any cable that may be plugged into the microphone jack and locate R60 inside this jack. (see Figure 6-5).

2. Repeatedly press a front panel switch to enable the beep tone and adjust R60 for the desired level.

Figure 6-5 Beep Tone Level Adjustment

Level AdjBeep ToneR60



6-8November 1998Part No. 001-7600-001

UHF ADJUSTMENTS

NOTE: Perform the preliminary setup described in Section 6.2 before proceeding with these adjustments.

6.6 PLL ADJUSTMENT (UHF MODELS)

1. Remove the bottom cover by removing four screws. Connect a DC voltmeter to check point CP1 shown in Figure 6-6.

2. Select the channel at the low end of the band (Test Ch. 1). This is done by pressing the ↑ ↓ arrow keys to highlight “Memory CH” and then pressing the adjust keys (←/→, PgUp/PgDn, or spacebar/backspace) to select the channel.

3. In the receive mode, the meter reading should be 1.5 volts. If this voltage is significantly different, adjust L23 (it may be necessary to remove the shield).

4. Key the transmitter using the switch on the test cable and the meter reading also should be 1.5 volts. If this voltage is significantly different, adjust L26.

5. Unkey the transmitter and select the channel on the high end of the band (Test Ch. 2). The meter reading in the receive and transmit modes should be 3.5 – 5.5 volts. Replace the bottom cover.

6.7 TRANSMITTER ADJUSTMENTS (UHF MODELS)

6.7.1 REFERENCE FREQUENCY

1. Select the low power channel on the high end of the band (Test Ch. 2).

2. Scroll down to “TXF SET” on the screen and press (Enter). Monitor the transmit signal with a fre-quency counter and key the transmitter using the test cable switch.

3. Adjust for the displayed frequency by pressing the computer adjust keys. Unkey the transmitter.

4. Press (Enter) again to select the second adjust chan-nel. Key the transmitter and adjust for the displayed

frequency. Unkey the transmitter and press (Enter) again to exit this function.

6.7.2 OUTPUT POWER ADJUST

1. Select the high power channel at the low end of the band (Test Ch. 3). Connect a power meter to the antenna jack.

2. Scroll to “Power (Hi)” on the screen and key the transmitter using the test cable switch. Use the com-puter adjust keys to set the following power. Unkey the transmitter. Repeat for the Low2 (Test Ch. 4) and Low1 (Test Ch. 5) power levels.

High Power = 35 wattsLow2 Power = 20 wattsLow1 Power = 3.5 watts

6.7.3 FM DEVIATION ADJUST

1. Connect an audio generator to the microphone audio input of the test cable (pin 5 shown in Figure 6-3). Set the generator output for 1 kHz at 40 mV rms.

2. Select the low power channel at the low end of the band (Test Ch. 1). On the computer screen, scroll to “MOD N” if setting narrow band deviation or “MOD W” if setting wideband deviation.

3. Monitor the transmit deviation with a communica-tions monitor set as follows: HPF = Off, LPF = 20 kHz, De-Emphasis = Off, Detector = (P–P)/2.

4. Key the transmitter using the test cable switch and set the following maximum deviation by pressing the adjust keys (←/→, PgUp/PgDn, or spacebar/backspace). Unkey the transmitter.

Wideband (30 kHz) Models - 4.2 kHzNarrow Band (12.5 kHz) Models - 2.1 kHz

5. If the transceiver operates on both narrow and wide band channels, select Test Ch. 6 and also adjust the deviation on that channel (see note in Table 6-2).


6-9November 1998

Part No. 001-7600-001

Figure 6-6 UHF Adjustment Points

6.7.4 DTCS WAVEFORM ADJUST

1. Select the channel on the low end of the pro-grammed for DTCS code 007N (Test Ch. 5).

2. On the computer screen, scroll to “DTCS N” if set-ting a narrow band channel or “DTCS W” if setting a wideband channel.

3. Key the transmitter and view the demodulated sig-nal on the CRT of a communications monitor.

4. Press the adjust keys on the computer so that the waveform appears as follows:

5. If the transceiver operates on both narrow and wide band channels, select Test Ch. 7 and also set the waveform on that channel (see note in Table 6-2).


CP1PLL lock voltagecheck point


Set ForFlat

Waveform

UHF ADJUSTMENTS (CONT’D)


6-10November 1998Part No. 001-7600-001

6.8 RECEIVER ADJUSTMENTS (UHF MODELS)

6.8.1 BANDPASS FILTER ADJUST

1. Select the channel on the low end of the band (Test Ch. 1).

2. Connect an RF signal generator to the antenna jack. Set the output for the channel frequency at a level of 3.2 µV (–97 dBm), modulated with 1 kHz at the following deviation:


3. Adjust the filters automatically or manually as follows:

Automatic Adjustment Method 1(Adjusts all filters)

a. Select “BPF T1” on the screen and adjust for “0”. Repeat for T2 – T4. Reselect “BPF T1”.

b. Press the F9 key and all filters are automatically adjusted for peak levels.

Automatic Adjustment Method 2(Adjusts only one filter at a time)

a. Select “BPF T1” and press F8 to automatically adjust it for a peak level.

b. Repeat for the other three filters.

Manual Adjustment

a. Connect a SINAD meter with a 4-ohm load to the external speaker jack (see Figure 6-6).

b. Select “BPF T1” and press the adjust keys (←/→, PgUp/PgDn, or spacebar/backspace) to obtain minimum distortion.

c. Repeat for the other three filters.

6.8.2 SQUELCH ADJUST

NOTE: The squelch level can also be set from the front panel as described in Section 3.3.6.

1. Select the channel on the low end of the operating band (Test Ch. 2). channel with LB models and the 150.050 MHz channel with HB models.

2. Connect a SINAD meter with a 4-ohm load to the external speaker jack.

3. Connect an RF signal generator to the antenna jack. Set it to the channel frequency with an output mod-ulated with 1 kHz at the following deviation:


4. Scroll to “SQL” on the computer screen and press the adjust keys to lower the displayed number so that the receiver unsquelches (the 1 kHz tone is heard). Also adjust the volume if necessary.

5. Adjust the signal generator output to obtain 8 dB SINAD.

6. Press the computer adjust keys to increase the dis-played number to the point where the receiver squelches. Then slowly adjust the number down-ward again until the receiver just unsquelches.

6.8.3 BEEP TONE LEVEL

This adjustment sets the volume of the beep tone that is heard when keys are pressed and at other times (if it is enabled). The computer setup used in the pre-ceding steps is not required for this adjustment. Pro-ceed as follows:

1. Unplug any cable that may be plugged into the microphone jack and locate R60 inside this jack. (see Figure 6-5).

2. Repeatedly press a front panel switch to enable the beep tone and adjust R60 for the desired level.

UHF ADJUSTMENTS (CONT’D)

7-1November 1998

Part No. 001-7600-001

PARTS LIST

SECTION 7 PARTS LIST

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7610 (VHF) Main Unit

PARTS LIST

7-2November 1998Part No. 001-7600-001

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&ìéê &HUDPLFý&ìçíåý&+ýì+ýìëí-ð7ð$ íëëðêäíçðíçç

&ìéé &HUDPLFý&ìçíåý&+ýì+ýìèí-ð7ð$ íëëðêäíçðíçæ


&ìéè &HUDPLFý&ìçíåý&+ýì+ýìíí'ð7ð$ íëëðêäíçðèäå

&ìéç &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìéæ &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìéå &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìéä &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìèí &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìèì &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìèë &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìèê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìèé &HUDPLFý&ìçíåý&+ýì+ýéæì-ð7ð$ íëëðêäíçðëèë

&ìèè &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìèç 7DQWDOXPý(&67ì$<ëëè5 íëëðêäíçðçëç

&ìèæ &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìèä &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìçí &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìçì &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìçë &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìçê &HUDPLFý&ëíìëý-%ýì$ýìíè0ð7ð$ íëëðêäíçðåíì

&ìçé &HUDPLFý&ìçíåý-%ýì&ýëëê.ð7ð$ íëëðêäíçðíæä

&ìçè &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìçç 7DQWDOXPý(&67ì$<ëëè5 íëëðêäíçðçëç

&ìçæ &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìçå &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìçä &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìæí &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìæì &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìæë &HUDPLFý&ìçíåý&+ýì+ýëíì-ð7ð$ íëëðêäíçðåíë

&ìæê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìæé &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìæè &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìæç &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìææ &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìæå &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìæä &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìåí &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìåì &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìåë 7DQWDOXPý(&67í-<ìíç5 íëëðêäíçðçëæ

&ìåê &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìåé 7DQWDOXPý(&67ì$<ëëè5 íëëðêäíçðçëç

&ìåè &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìåç &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìåæ &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìåå &HUDPLFý&ìçíåý-%ýì&ýéæê.ð7ð$ íëëðêäíçðíåí

&ìåä &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìäí &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìäì &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê


7510 (VHF) Main Unit7610 (VHF) Main Unit

PARTS LIST

7-3November 1998

Part No. 001-7600-001

&ìäë &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ìäé 7DQWDOXPý(&67ì$<ëëè5 íëëðêäíçðçëç

&ìäç &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìäæ &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìäå &HUDPLFý&ìçíåý&+ýì+ýìèí-ð7ð$ íëëðêäíçðíçæ

&ìää &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ëíí &HUDPLFý&ìçíåý-%ýì$ýëëé.ð7ð1 íëëðêäíçðåíé

&ëíì 7DQWDOXPý(&67í-<ìíç5 íëëðêäíçðçëæ

&ëíë &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëíê &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ëíé (OHFWURO\WLFý(&(9ì($ëëì3 íëëðêäíçðåíè

&ëíè &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ëíç (OHFWURO\WLFý(&(9ì$$éæì83 íëëðêäíçðåíç

&ëíæ (OHFWURO\WLFý(&(9ì&$ëëí65 íëëðêäíçðçëí

&ëíå &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëíä (OHFWURO\WLFý(&(9ì&$ëëí65 íëëðêäíçðçëí

&ëìí &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëìì (OHFWURO\WLFý(&(9ì&$ëëí65 íëëðêäíçðçëí

&ëìë &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëìê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëìè 7DQWDOXPý(&67í-<ìíç5 íëëðêäíçðçëæ

&ëìç (OHFWURO\WLFý(&(9í-$ìíì63 íëëðêäíçðçëì

&ëìæ &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ëìå &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ëìä &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëëí (OHFWURO\WLFýëèý09ýéæíý+& íëëðêäíçðåíå

&ëëì &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëëë &HUDPLFý&ìçíåý&+ýì+ýéæì-ð7ð$ íëëðêäíçðëèë

&ëëê &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëëé &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëëè &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëëç &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëëæ &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëëå &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëëä 7DQWDOXPý(&67ì&<ìíè5 íëëðêäíçðçëè

&ëêí &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ëêì &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêë &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêé &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêè &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêç &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêæ &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêå &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëéí &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëéì &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí


&ëéë &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëéê &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëéé &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëéè &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëéç &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëéå &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëéä &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëèí &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëèì &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëèë &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëèê &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëèé &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëèè &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëèç &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëèæ &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëèå &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëèä &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëçí &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëçì &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëçë &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëçê &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëçé &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëçè &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëçç &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëçæ &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëçå &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëçä &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëæí &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëæì &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëæë &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëæê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëæé &HUDPLFý&ìçíåý&+ýì+ýéæì-ð7ð$ íëëðêäíçðëèë

&ëæè &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëæç 7DQWDOXPý7(69'ëýì9ýçåè0ðìë5 íëëðêäíçðåíä

&ëææ &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëæå &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëæä &HUDPLFý&ìçíåý&+ýì+ýéæì-ð7ð$ íëëðêäíçðëèë

&ëåí &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëåì &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëåë 7DQWDOXPý(&67ì$<ìíç5 íëëðêäíçðæçè

&ëåê &HUDPLFý&ìçíåý-%ýì+ýìåë.ð7ð$ íëëðêäíçðíåä

&ëåé &HUDPLFý&ìçíåý&+ýì+ýêäì-ð7ð$ íëëðêäíçðíäì

&ëåè &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëåç &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëåæ &HUDPLFý&ìçíåý&+ýì+ýìíì-ð7ð$ íëëðêäíçðíæë

&ëåå &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê



PARTS LIST

7-4November 1998Part No. 001-7600-001

&ëäí &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ëäì &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëäë &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëäê &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ëäé &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ëäè &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëäç &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëäæ (OHFWURO\WLFýìçý09ýéæíý+& íëëðêäíçðåìì

&ëäå 7DQWDOXPý(&67í-<ìíç5 íëëðêäíçðçëæ

&ëää &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

'ííì 'LRGHýì66êæèð7/ íëëðêäíçðèåé

'ííë 'LRGHýì66êæèð7/ íëëðêäíçðèåé

'ííê 'LRGHý0,éíæ íëëðêäíçðåëë

'ííè 'LRGHý0$ææýõ7:ô íëëðêäíçðíéæ

'ííç 'LRGHý0$ææýõ7:ô íëëðêäíçðíéæ

'ííæ 9DULFDSý+98êèí75) íëëðêäíçðèæå

'ííå 9DULFDSý+98êèí75) íëëðêäíçðèæå

'ííä 'LRGHý0$ææýõ7:ô íëëðêäíçðíéæ

'íìí 'LRGHý0$ææýõ7:ô íëëðêäíçðíéæ

'íìì 'LRGHý0$ìììýõ7;ô íëëðêäíçðèåè

'íìë 9DULFDSý+98ìæ75) íëëðêäíçðèåí

'íìê 'LRGHý0,åíäð7ìì íëëðêäíçðíéê

'íìé 'LRGHý0,åíäð7ìì íëëðêäíçðíéê

'íìè 'LRGHýì66êèëýõ73+êô íëëðêäíçðåëí

'íìç 9DULFDSý+98êèí75) íëëðêäíçðèæå

'íìæ 9DULFDSý+98êèí75) íëëðêäíçðèæå

'íìå 9DULFDSý+98êèí75) íëëðêäíçðèæå

'íìä 9DULFDSý+98êèí75) íëëðêäíçðèæå

'íëí 9DULFDSý+98êèí75) íëëðêäíçðèæå

'íëì 9DULFDSý+98êèí75) íëëðêäíçðèæå

'íëë 'LRGHý'$1ëíë8ý7ìíæ íëëðêäíçðèèå

'íëê 'LRGHý'$1ëíë8ý7ìíæ íëëðêäíçðèèå

'íëé 'LRGHý0$ìììýõ7;ô íëëðêäíçðèåè

'íëè 'LRGHý0$ìììýõ7;ô íëëðêäíçðèåè

'íëç 'LRGHý'$1ëíë8ý7ìíæ íëëðêäíçðèèå

'íëæ 'LRGHý'6$ê$ì íëëðêäíçðåëì

'íëå 'LRGHý0$ìììýõ7;ô íëëðêäíçðèåè

'íëä 'LRGHý'$ëëìý7/ íëëðêäíçðêêì

'íêí =HQHUý0$åíåëð0ýõ7;ô íëëðêäíçðåëê

'íêì 'LRGHý'$ëíé8ý7ìíæ íëëðêäíçðèåë

'íêë =HQHUý5'ëí(ý%ë íëëðêäíçðåëé

'íêê 'LRGHý'$1ëíë8ý7ìíæ íëëðêäíçðèèå

),ì ;7$/ý)/ðëåèýõêìïíèíý0+]ô íëëðêäíçðåëç

),ê &HUDPLFý6)3&éèí*ð7&íì íëëðêäíçðåëæ


),é &HUDPLFý6)3&éèí(ð7&íì íëëðêäíçðåëå

,&ííì ,&ý0çåæíë+ íëëðêäíçðæäë

,&ííë 3'êìéí*6ð(ìýõ'6åô íëëðêäíçðèèé

,&ííê 7$êììêç)1ýõ'ñ(/ô íëëðêäíçðêíë

,&ííé %8éíçç%&)9ð(ì íëëðêäíçðèèè

,&ííè 0çëêçê)3ðçèí& íëëðêäíçðåêë

,&ííç 1-0ëäíë9ð7(ì íëëðêäíçðèèê

,&ííæ 1-0ëäíë9ð7(ì íëëðêäíçðèèê

,&ííå 1-0ëäíé9ð7(ì íëëðêäíçðíìç

,&ííä 6ðåìëèí3*ð3'ð7ì íëëðêäíçðèèä

,&íìí /$ééëè$ íëëðêäíçðåêí

,&íìì %8éíäé%&)9ð(ì íëëðêäíçðåêì

-ì &RQQHFWRUý)+ìëðéí6ðíïè69 íëëðêäíçðæåë

-ë &RQQHFWRUý$;1êêí&íêå3 íëëðêäíçðçåì

-ê &RQQHFWRUý%ìì%ð=5ð60êð7) íëëðêäíçðåêé

-é &RQQHFWRUý3,ëå$ðíë0 íëëðêäíìðééé

-è &RQQHFWRUý+6-íåíæðíìðíìí íëëðêäíçðåêè

-ç &RQQHFWRUý%ë%ð=5ð60êð7) íëëðêäíçðåêç

/íë &RLOý/$ðëéê íëëðêäíçðåéí

/íê &RLOý/$ðëèê íëëðêäíçðåêæ

/íé &RLOý/:ðëè íëëðêäíçðåéë

/íè &RLOý/$ðëèê íëëðêäíçðåêæ

/íç &RLOý(/-1&ýéæ1.ð) íëëðêäíçðåéè

/íæ &RLOý(/-1&ýéæ1.ð) íëëðêäíçðåéè

/íå &RLOý(/-1&ýéæ1.ð) íëëðêäíçðåéè

/íä &RLOý(/-1&ý5ìí.ð) íëëðêäíçðåéä

/ì &RLOý/$ðëèê íëëðêäíçðåêæ

/ìì &RLOý(/-5(ý5ìí*ð) íëëðêäíçðçæé

/ìë &RLOý(/-5(ý5ìí*ð) íëëðêäíçðçæé

/ìê &RLOý(/-5(ý5ìí*ð) íëëðêäíçðçæé

/ìé &RLOý0&ìèëð(èèå&1ðìíííëé íëëðêäíçðççê

/ìè &RLOý1/ýêëëèëë7ðë5æ-ðê íëëðêäíçðçèì

/ìç &RLOý(/-5(ýåë1*ð) íëëðêäíçðçæè

/ìæ &RLOýêç&6ðçèç/=ðíä. 3ê íëëðêäíçðåêå

/ìå &RLOýêç&6ðçèç/=ðíä. 3ê íëëðêäíçðåêå

/ìä &RLOý/41ì+ýèé1.íé íëëðêäíçðçæç

/ëí &RLOý/41ì+ýèé1.íé íëëðêäíçðçæç

/ëì &RLOý/41ýì$ýêê1-íé íëëðêäíçðçéæ

/ëë &RLOý/41ýì$ýêê1-íé íëëðêäíçðçéæ

/ëê &RLOý(/-5(ýéæ1*ð) íëëðêäíçðéäé

/ëé &RLOý(/-5(ý5ìí*ð) íëëðêäíçðçæé

/ëè &RLOý0/)ìçíå'ý5éæ.ð7 íëëðêäíçðççë

/ëç &RLOý0/)ìçíå$ýì5í.ð7 íëëðêäíçðçèç



PARTS LIST

7-5November 1998

Part No. 001-7600-001

/ëæ &RLOý0/)ìçíå$ýì5í.ð7 íëëðêäíçðçèç

03ì ýìäëëý9&2ýFDVH íëëðêäíçðæìé

03ë ýìäëëý9&2ýFRYHU íëëðêäíçðæìê

03ê ýëíèèý)LOWHUýFDVH íëëðêäíçðååí

03é ýëíèèý)LOWHUýFRYHU íëëðêäíçðååì

03è ý3$ýKROGHU íëëðêäíçðååë

03ç ý5XEEHUýVKHHWýõ$'ô íëëðêäíçðååê

4íì 7UDQVLVWRUýë6&éæíêð7ìý6( íëëðêäíçðåèí

4íë 7UDQVLVWRUýë6&éëìèð2ýõ7(åè5ô íëëðêäíçðèçê

4íê 7UDQVLVWRUýë6&éëìèð2ýõ7(åè5ô íëëðêäíçðèçê

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4íå 7UDQVLVWRUýë6&éëëçð7ëý5ëè íëëðêäíçðéää

4íä 7UDQVLVWRUý'7&ìéé(8ý7ìíæ íëëðêäíçðíêå

4ìí 7UDQVLVWRUýë6&éíåìý7ìíæý5 íëëðêäíìðêéê

4ìì )(7ýë6.ååíð<ýõ7(åè5ô íëëðêäíçðèçæ

4ìë )(7ýê6.ëêä;5ð7/ íëëðêäíçðêëè

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5íëì 5HVý(5-ê*(<-ýèçëý9ýõèïçýNýRKPô íëëðêäíçðìçì

5íëë 5HVý(5-ê*(<-ýìíìý9ýõìííýRKPô íëëðêäíçðìéê

5íëê 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

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5íëæ 5HVý(5-ê*(<-ýêäêý9ýõêäýNýRKPô íëëðêäíçðìæí

5íëå 5HVý(5-ê*(<-ýéæìý9ýõéæíýRKPô íëëðêäíçðìèí

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5íêë 5HVý(5-ê*(<-ýìíìý9ýõìííýRKPô íëëðêäíçðìéê

5íêê 5HVý(5-ê*(<-ýéæìý9ýõéæíýRKPô íëëðêäíçðìèí

5íêé 5HVý(5-ê*(<-ýåëëý9ýõåïëýNýRKPô íëëðêäíçðëèç

5íêè 5HVý(5-ê*(<-ýëëìý9ýõëëíýRKPô íëëðêäíçðëåå

5íêç 5HVý(5-ê*(<-ýåëëý9ýõåïëýNýRKPô íëëðêäíçðëèç

5íêæ 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5íêå 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5íêä 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5íéí 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5íéì 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5íéë 5HVý(5-ê*(<-ýèçìý9ýõèçíýRKPô íëëðêäíçðìèì

5íéê 5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô íëëðêäíçðìèæ



PARTS LIST

7-6November 1998Part No. 001-7600-001

5íéé 5HVý(5-ê*(<-ýìííý9ýõìíýRKPô íëëðêäíçðìêå

5íéè 5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô íëëðêäíçðìèæ

5íéç 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5íéæ 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5íéå 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5íéä 6ý$55$<ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5íèí 5HVý(5-ê*(<-ýìíìý9ýõìííýRKPô íëëðêäíçðìéê

5íèì 5HVý(5-ê*(<-ýìíìý9ýõìííýRKPô íëëðêäíçðìéê

5íèé 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5íèè 5HVý55íåìç5ðæèêð'ýõæèýNýRKPô íëëðêäíçðåçæ

5íèä 5HVý(5-ê*(<-ýëëêý9ýõëëýNýRKPô íëëðêäíçðìçæ

5íçí 5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô íëëðêäíçðìçè

5íçì 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5íçë 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5íçê 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5íçé 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

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5íçæ 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5íçä 5HVý(5-ê*(<-ýéæíý9ýõéæýRKPô íëëðêäíçðìéì

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5íæê 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5íæé 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5íæè 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

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5íæå 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5íåì 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5íåê 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5íåé 5HVý(5-ê*(<-ýìíìý9ýõìííýRKPô íëëðêäíçðìéê

5íåç 5HVý(5-ê*(<-ýëëìý9ýõëëíýRKPô íëëðêäíçðëåå

5íåæ 5HVý(5-ê*(<-ýåëìý9ýõåëíýRKPô íëëðêäíçðìèê

5íåä 5HVý(5-ê*(<-ýèçìý9ýõèçíýRKPô íëëðêäíçðìèì

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5íäë 5HVý(5-ê*(<-ýéæìý9ýõéæíýRKPô íëëðêäíçðìèí

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5ìíì 5HVý(5-ê*(<-ýêäìý9ýõêäíýRKPô íëëðêäíçðìéä

5ìíë 5HVý(5-ê*(<-ýìèëý9ýõìïèýNýRKPô íëëðêäíçðìèè

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5ìíè 5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô íëëðêäíçðìçè

5ìíç 5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô íëëðêäíçðìçè

5ìíæ 5HVý(5-ê*(<-ýëëêý9ýõëëýNýRKPô íëëðêäíçðìçæ

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5ììå 5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô íëëðêäíçðìçè

5ììä 5HVý55íåìç5ðìíéð'ýõìííýNýRKPô íëëðêäíçðêäè

5ìëí 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëð

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5ìéë 5HVý55íåìç5ðìíéð'ýõìííýNýRKPô íëëðêäíçðêäè

5ìéê 5HVý55íåìç5ðìíéð'ýõìííýNýRKPô íëëðêäíçðêäè

5ìéè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

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5ìéå 5HVý(5-ê*(<-ýèçêý9ýõèçýNýRKPô íëëðêäíçðìæë

5ìéä 5HVý(5-ê*(<-ýìåéý9ýõìåíýNýRKPô íëëðêäíçðìææ

5ìèí 5HVý(5-ê*(<-ýëëéý9ýõëëíýNýRKPô íëëðêäíçðìæå

5ìèì 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìèë 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìèê 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê



PARTS LIST

7-7November 1998

Part No. 001-7600-001

5ìèé 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìèè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìèç 5HVý(5-ê*(<-ýçåéý9ýõçåíýNýRKPô íëëðêäíçðìåê

5ìèæ 5HVý(5-ê*(<-ýìëêý9ýõìëýNýRKPô íëëðêäíçðìçé

5ìèå 5HVý(5-ê*(<-ýçåéý9ýõçåíýNýRKPô íëëðêäíçðìåê

5ìèä 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìçí 5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô íëëðêäíçðìçè

5ìçì 5HVý(5-ê*(<-ýéæéý9ýõéæíýNýRKPô íëëðêäíçðìåì

5ìçë 5HVý(5-ê*(<-ýçåêý9ýõçåýNýRKPô íëëðêäíçðìæê

5ìçê 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ìçé 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5ìçè 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ìçç 5HVý(5-ê*(<-ýìëéý9ýõìëíýNýRKPô íëëðêäíçðìæç

5ìçæ 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5ìçå 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ìçä 5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô íëëðêäíçðìèæ

5ìæí 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ìæì 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ìæë 5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô íëëðêäíçðìçè

5ìæé 5HVý(5-ê*(<-ýçåéý9ýõçåíýNýRKPô íëëðêäíçðìåê

5ìæè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìæç 5HVý(5-ê*(<-ýçåéý9ýõçåíýNýRKPô íëëðêäíçðìåê

5ìææ 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ìæå 5HVý(5-ê*(<-ýêêêý9ýõêêýNýRKPô íëëðêäíçðìçä

5ìæä 5HVý(5-ê*(<-ýìèéý9ýõìèíýNýRKPô íëëðêäíçðêäë

5ìåí 5HVý(5-ê*(<-ýêäêý9ýõêäýNýRKPô íëëðêäíçðìæí

5ìåì 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5ìåë 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ìåê 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìåé 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìåè 7KHUPLVWRUý17&&)ëíìëýé$+ýéæê.&ð7

íëëðêäíçðéíê

5ìåç 5HVý55íåìç5ðìíéð'ýõìííýNýRKPô íëëðêäíçðêäè

5ìåæ 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ìåå 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ìåä 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ìäí 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìäì 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìäë 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìäê 5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô íëëðêäíçðìèæ

5ìäé 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìäè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìäç 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ìäæ 5HVý0&5èí-=+-ýìýNýRKPýõìíëô íëëðêäíçðåçå

5ìäå 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ìää 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí


5ëíí 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ëíì 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëíë 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëíê 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5ëíé 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëíè 5HVý55íåìç5ðêíéð'ýõêííýNýRKPô íëëðêäíçðåçç

5ëíç 5HVý55íåìç5ðìíéð'ýõìííýNýRKPô íëëðêäíçðêäè

5ëíæ 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëíå 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ëíä 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ëìí 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ëìì 5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô íëëðêäíçðìèæ

5ëìë $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5ëìê $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5ëìé $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5ëìè $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5ëìç $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5ëìæ $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5ëìå $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5ëìä $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5ëëí 5HVý(5-ê*(<-ýìíìý9ýõìííýRKPô íëëðêäíçðìéê

5ëëì 5HVý0&5ìå(=+-ýëëýRKPýõëëíô íëëðêäíçðåæí

5ëëë 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ëëê 5HVý(5-ê*(<-ýêêêý9ýõêêýNýRKPô íëëðêäíçðìçä

5ëëç 5HVý(5-ê*(<-ýìåéý9ýõìåíýNýRKPô íëëðêäíçðìææ

5ëëæ 5HVý(5-ê*(<-ýçåéý9ýõçåíýNýRKPô íëëðêäíçðìåê

5ëëå 5HVý(5-ê*(<-ýìåêý9ýõìåýNýRKPô íëëðêäíçðìçç

5ëëä 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ëêí 5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô íëëðêäíçðìèæ

5ëêë 5HVý(5-ê*(<-ýéæéý9ýõéæíýNýRKPô íëëðêäíçðìåì

5ëêê 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêé 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëêè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëêç 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëêæ 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêå 5HVý(5-ê*(<-ýìåêý9ýõìåýNýRKPô íëëðêäíçðìçç

5ëéí 5HVý(5-ê*(<-ýçåëý9ýõçïåýNýRKPô íëëðêäíçðìçë

5ëéì 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëéë 5HVý(5-ê*(<-ýéæìý9ýõéæíýRKPô íëëðêäíçðìèí

5ëéê 5HVý0&5ìå(=+-ýçåýRKPýõçåíô íëëðêäíçðåæì

5ëéè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëéç 5HVý(5-ê*(<-ýèçìý9ýõèçíýRKPô íëëðêäíçðìèì

5ëéæ 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ëéå 5HVý55íåìç5ðêêéð'ýõêêíýNýRKPô íëëðêäíçðçäì

5ëéä 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëèì 6ý3RVLVWRUý37+ä&êë%%éæì4ð7ý íëëðêäíçðåæë



PARTS LIST

7-8November 1998Part No. 001-7600-001

5ëèë 5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPôý íëëðêäíçðìçè

:ì -XPSHUý(5'6ë7í íëëðêäíçðåææ

:ç -XPSHUý(5-ê*(ý-3:ý9 íëëðêäíçðìåè

:æ &DEOHý23&ðéèê íëëðêäíçðåæå

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;ê 'LVFULPLQDWRUý&'%&$éèí&;ëé íëëðêäíçðçéë


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&ííê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ííè &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ííç &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ííæ &HUDPLFý&ìçíåý&+ýì+ýíæí'ð7ð$ íëëðêäíçðèäç

&ííå &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

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&íëí &HUDPLFý&ìçíåý&+ýì+ýì5è%ð7ð$ íëëðêäíçðíåæ

&íëì &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&íëë &HUDPLFý&ìçíåý&+ýì+ýíçí%ð7ð$ýõéííðéêíý0+]ô

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&íëæ &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&íëå &HUDPLFý&ìçíåý&+ýì+ýì5è%ð7ð$ýõéííðéêíý0+]ýRQO\ô


&HUDPLFý&ìçíåý&+ýì+ýí5è%ð7ð$ýõéèíðéäíý0+]ô


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&íêí &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí


7610 (VHF) Main Unit 7640 (UHF) Main Unit

PARTS LIST

7-9November 1998

Part No. 001-7600-001

&íêì &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&íêë &HUDPLFý&ìçíåý&+ýì+ýë5è%ð7ð$ýõéííðéêíý0+]ô


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&íêê &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&íêé &HUDPLFý&ìçíåý&+ýì+ýíæí'ð7ð$ýõéííðéêíý0+]ô




&HUDPLFý&ìçíåý&+ýì+ýíéí%ð7ð$ýõéæíðèìëý0+]ô


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&íêç &HUDPLFý&ìçíåý&+ýì+ýí5è%ð7ð$ íëëðêäíçðíåé

&íêæ &HUDPLFý&ìçíåý&+ýì+ýíìí%ð7ð$ýõéííðéêíý0+]ýRQO\ô


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&íèæ 7DQWDOXPý(&67í-<éæè5 íëëðêäíçðçëä

&íèå &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&íèä &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&íçí &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&íçì &HUDPLFý&ìçíåý&+ýì+ýëæì-ð7ð$ íëëðêäíçðèëè

&íçë &HUDPLFý&ìçíåý&+ýì+ýëæì-ð7ð$ íëëðêäíçðèëè

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&íçé &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&íçè &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&íçç &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&íçæ &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&íçå (OHFWURO\WLFý(&(9ì&$ìíí65 íëëðêäíçðçìæ

&íçä 7DQWDOXPý(&67ì&<éæè5 íëëðêäíçðäëì

&íæí &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&íæì (OHFWURO\WLFý(&(9ì&$ìíí65 íëëðêäíçðçìæ

&íæë 7DQWDOXPý(&67ì(<ìíè5 íëëðêäíçðçêë

&íæê &HUDPLFý&ëíìëý-)ýì(ýìíé=ð7ð$ íëëðêäíçðäëë

&íæé (OHFWURO\WLFý(&(9ì($ëëì3 íëëðêäíçðåíè

&íæè (OHFWURO\WLFý(&(9ì&$ìíí65 íëëðêäíçðçìæ

&íæç &HUDPLFý&ìçíåý-)ýì&ýìíé=ð7ð$ íëëðêäíçðíæç

&íææ &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&íæå (OHFWURO\WLFý(&(9ì&$ìíí65 íëëðêäíçðçìæ

&íæä (OHFWURO\WLFý(&(9ì&$ìíí65 íëëðêäíçðçìæ

&íåí &HUDPLFý&ìçíåý-)ýì&ýìíé=ð7ð$ íëëðêäíçðíæç

&íåì &HUDPLFý&ëíìëý-)ýì(ýìíé=ð7ð$ íëëðêäíçðäëë

&íåë &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&íåê &HUDPLFý&ëíìëý-)ýì(ýìíé=ð7ð$ íëëðêäíçðäëë

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&íåæ &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&íåå &HUDPLFý&ìçíåý-%ýì&ýëëê.ð7ð$ íëëðêäíçðíæä

&íåä &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&íäí &HUDPLFý&ìçíåý-)ýì&ýìíé=ð7ð$ íëëðêäíçðíæç

&íäì (OHFWURO\WLFý(&(9ýì&$ýé5æ15ýõìç9ýéïæô

íëëðêäíçðäìç

&íäë (OHFWURO\WLFý(&(9ì&$ìíí65 íëëðêäíçðçìæ

&íäê &HUDPLFý+0çí6-ý&+ýíçí'ýèíí9ýõéííðéêíý0+]ô

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íëëðêäíçðäëä

&HUDPLFý+0çí6-ý&+ýíéí&ýèíí9ýõRWKHUýEDQGVô

íëëðêäíçðäëå


7640 (UHF) Main Unit

PARTS LIST

7-10November 1998Part No. 001-7600-001

&íäé &HUDPLFý+0çí6-ý&+ýíêí'ýèíí9ýõéííðéêíý0+]ô

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&íäè (OHFWURO\WLFý(&(9ì($ëëí63 íëëðêäíçðäíê

&íäç &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&íäæ &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&íäå &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&íää &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ìíí (OHFWURO\WLFý(&(9ì($ëëí63 íëëðêäíçðäíê

&ìíì &HUDPLFý&ìçíåý&+ýì+ýíèí%ð7ð$ íëëðêäíçðçìí

&ìíë &HUDPLFý&ìçíåý&+ýì+ýíåí'ð7ð$ýõéäíðèìëý0+]ô

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&HUDPLFý&ìçíåý&+ýì+ýíåí'ð7ð$ýõRWKHUýEDQGVô


&ìíê &HUDPLFý&ìçíåý&+ýì+ýíçí%ð7ð$ íëëðêäíçðçìè

&ìíé &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ìíè &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ìíç &HUDPLFý&ìçíåý&+ýì+ýíæí'ð7ð$ íëëðêäíçðèäç

&ìíæ &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ìíå &HUDPLFý&ìçíåý&+ýì+ýíåí'ð7ð$ýõéäíðèìëý0+]ô


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&ìíä &HUDPLFý&ìçíåý&+ýì+ýíèí%ð7ð$ýõéäíðèìëý0+]ô


&HUDPLFý&ìçíåý&+ýì+ýíçí%ð7ð$ýõRWKHUýEDQGVô


&ììí &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ììì &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ììë &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ììê &HUDPLFý&ìçíåý&+ýì+ýíæí'ð7ð$ íëëðêäíçðèäç

&ììè &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ììç &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ììæ &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ììå &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ììä &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìëí &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ìëì &HUDPLFý&ìçíåý&+ýì+ýìíí'ð7ð$ íëëðêäíçðèäå

&ìëç &HUDPLFý&ìçíåý-%ýì&ýéæê.ð7ð$ íëëðêäíçðíåí

&ìëæ &HUDPLFý&ìçíåý-%ýì&ýéæê.ð7ð$ íëëðêäíçðíåí

&ìëå &HUDPLFý&ìçíåý-%ýì&ýéæê.ð7ð$ íëëðêäíçðíåí

&ìëä &HUDPLFý&ìçíåý-%ýì&ýéæê.ð7ð$ íëëðêäíçðíåí


&ìêí &HUDPLFý&ìçíåý-%ýì&ýéæê.ð7ð$ íëëðêäíçðíåí

&ìêì &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ìêë &HUDPLFý&ëíìëý-%ýì$ýèçé.ð7ð$ íëëðêäíçðíæè

&ìêê &HUDPLFý&ìçíåý-)ýì&ýìíé=ð7ð$ íëëðêäíçðíæç

&ìêé &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìêè 7DQWDOXPý(&67ì$<ëëè5 íëëðêäíçðçëç

&ìêæ &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ìêå &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìêä &HUDPLFý&ìçíåý8-ýì+ýíåí'ð7ð$ýõéííðéêíý0+]ô

íëëðêäíçðäíå

&HUDPLFý&ìçíåý8-ýì+ýíçí'ð7ð$ýõéèíðéæíý0+]ô

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&HUDPLFý&ìçíåý8-ýì+ýíéí'ð7ð$ýõéæíðèìëý0+]ô

íëëðêäíçðçíé

&ìéì &HUDPLFý&ìçíåý8-ýì+ýìåí-ð7ð$ýõéííðéêíý0+]ô

íëëðêäíçðæäé

&HUDPLFý&ìçíåý8-ýì+ýìèí-ð7ð$ýõéèíðéäíý0+]ô

íëëðêäíçðíæé

&HUDPLFý&ìçíåý8-ýì+ýìëí-ð7ð$ýõéäíðèìëý0+]ô

íëëðêäíçðæäê

&ìéë &HUDPLFý&ìçíåý&+ýì+ýìíí'ð7ð$ýõéííðéêíý0+]ô

íëëðêäíçðèäå



&HUDPLFý&ìçíåý&+ýì+ýíèí%ð7ð$ýõéæíðéäíý0+]ô


&HUDPLFý&ìçíåý&+ýì+ýíêí%ð7ð$ýõéäíðèìëý0+]ô

íëëðêäíçðéåä

&ìéê &HUDPLFý&ìçíåý&+ýì+ýìëí-ð7ð$ýõéííðéêíý0+]ô

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&HUDPLFý&ìçíåý&+ýì+ýíåí'ð7ð$ýõéèíðéæíý0+]ô


&HUDPLFý&ìçíåý&+ýì+ýíçí%ð7ð$ýõéæíðéäíý0+]ô


&HUDPLFý&ìçíåý&+ýì+ýíèí%ð7ð$ýõéäíðèìëý0+]ô


&ìéé &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìéè &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ìéç &HUDPLFý&ìçíåý&+ýì+ýí5è%ð7ð$ íëëðêäíçðíåé

&ìéæ &HUDPLFý&ìçíåý&+ýì+ýíìí%ð7ð$ íëëðêäíçðíåè

&ìéå &HUDPLFý&ìçíåý8-ýì+ýíèí&ð7ð$ýõéííðéêíñýéæíðéäíý0+]ô

íëëðêäíçðçíè

&HUDPLFý&ìçíåý8-ýì+ýíéí&ð7ð$ýõéèíðéæíñýéäíðèìëý0+]ô


&ìéä &HUDPLFý&ìçíåý&+ýì+ýíìí%ð7ð$ýõéæíðéäíý0+]ô


&HUDPLFý&ìçíåý&+ýì+ýê5è%ð7ð$ýõéäíðèìëý0+]ô

íëëðêäíçðêèê



PARTS LIST

7-11November 1998

Part No. 001-7600-001

&ìèí &HUDPLFý&ìçíåý8-ýì+ýìíí'ð7ð$ýõéííðéêíý0+]ô

íëëðêäíçðäìë

&HUDPLFý&ìçíåý8-ýì+ýíåí'ð7ð$ýõéèíðéæíý0+]ô

íëëðêäíçðäíå

&HUDPLFý&ìçíåý8-ýì+ýìèí-ð7ð$ýõéæíðéäíý0+]ô

íëëðêäíçðíæé

&HUDPLFý&ìçíåý8-ýì+ýíéí&ð7ð$ýõéäíðèìëý0+]ô


&ìèì &HUDPLFý&ìçíåý&+ýì+ýíèí%ð7ð$ýõéííðéêíý0+]ô


&HUDPLFý&ìçíåý&+ýì+ýíëí%ð7ð$ýõéèíðéæíý0+]ô


&HUDPLFý&ìçíåý&+ýì+ýíåí'ð7ð$ýõéæíðéäíý0+]ô




&ìèë &HUDPLFý&ìçíåý&+ýì+ýíåí'ð7ð$ýõéííðéêíñýéæíðéäíý0+]ô


&HUDPLFý&ìçíåý&+ýì+ýíéí%ð7ð$ýõéèíðéæíý0+]ô




&ìèê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìèé &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ìèè &HUDPLFý&ìçíåý&+ýì+ýí5è%ð7ð$ íëëðêäíçðíåé

&ìèç &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ìèæ &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ìèå &HUDPLFý&ìçíåý&+ýì+ýìëí-ð7ð$ íëëðêäíçðíçç

&ìèä &HUDPLFý&ìçíåý&+ýì+ýíëí%ð7ð$ íëëðêäíçðíåç

&ìçí &HUDPLFý&ìçíåý&+ýì+ýíæí'ð7ð$ íëëðêäíçðèäç

&ìçì &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ìçë &HUDPLFý&ìçíåý&+ýì+ýíçí%ð7ð$ íëëðêäíçðçìè

&ìçê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìçé &HUDPLFý&ìçíåý&+ýì+ýíçí%ð7ð$ íëëðêäíçðçìè

&ìçè &HUDPLFý&ìçíåý&+ýì+ýíçí%ð7ð$ íëëðêäíçðçìè

&ìçç &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìçæ (OHFWURO\WLFý(&(9ì&$ìíí65 íëëðêäíçðçìæ

&ìçä &HUDPLFý&ìçíåý&+ýì+ýìëí-ð7ð$ íëëðêäíçðíçç

&ìæí &HUDPLFý&ìçíåý&+ýì+ýíèí%ð7ð$ íëëðêäíçðçìí

&ìæì &HUDPLFý&ìçíåý&+ýì+ýíéí%ð7ð$ íëëðêäíçðçíä

&ìæë &HUDPLFý&ìçíåý&+ýì+ýíèí%ð7ð$ íëëðêäíçðçìí

&ìæê &HUDPLFý&ìçíåý&+ýì+ýìëí-ð7ð$ íëëðêäíçðíçç

&ìæé &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìæè &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìæç 7DQWDOXPý(&67ì&<ëëè5 íëëðêäíçðåìè

&ìææ &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìæå &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí


&ìæä &HUDPLFý&ìçíåý-)ýì&ýìíé=ð7ð$ íëëðêäíçðíæç

&ìåí &HUDPLFý&ìçíåý-%ýì+ýêäë.ð7ð$ íëëðêäíçðçìë

&ìåê &HUDPLFý&ìçíåý-)ýì&ýìíé=ð7ð$ íëëðêäíçðíæç

&ìåé &HUDPLFý&ìçíåý&+ýì+ýëëí-ð7ð$ íëëðêäíçðíçè

&ìåè &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìåç &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìåæ &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìåå 7DQWDOXPý(&67í-<éæè5 íëëðêäíçðçëä

&ìåä &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìäí &HUDPLFý&ìçíåý-)ýì&ýìíé=ð7ð$ íëëðêäíçðíæç

&ìäì &HUDPLFý&ìçíåý-%ýì&ýìëê.ð7ð$ íëëðêäíçðêèí

&ìäê &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ìäé (OHFWURO\WLFý(&(9ì($ëëì3 íëëðêäíçðåíè

&ìäè (OHFWURO\WLFý(&(9ì$$éæì83 íëëðêäíçðåìí

&ìäç &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìäæ &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ìäå (OHFWURO\WLFý(&(9ì&$ìíí65 íëëðêäíçðçìæ

&ìää &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëíí &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëíì 7DQWDOXPý(&67ì9<ìíé5 íëëðêäíçðçêí

&ëíë &HUDPLFý&ìçíåý-%ýì&ýëëê.ð7ð$ íëëðêäíçðíæä

&ëíê 7DQWDOXPý(&67ì9<éæé5 íëëðêäíçðäìé

&ëíé 7DQWDOXPý(&67ì9<éæé5 íëëðêäíçðäìé

&ëíè &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëíç (OHFWURO\WLFý(&(9ì&$ìíí65 íëëðêäíçðçìæ

&ëíæ &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&ëíå &HUDPLFý&ìçíåý-%ýì+ýéæë.ð7ð$ íëëðêäíçðíçë

&ëíä &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëìí 7DQWDOXPý(&67ì$<ëëè5 íëëðêäíçðçëç

&ëìì &HUDPLFý&ìçíåý-)ýì&ýìíé=ð7ð$ íëëðêäíçðíæç

&ëìë (OHFWURO\WLFý(&(9ýì&$ýé5æ15ýõìç9ýéïæô

íëëðêäíçðäìç

&ëìê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëìé &HUDPLFý&ìçíåý&+ýì+ýíåí'ð7ð$ íëëðêäíçðèäæ

&ëìè &HUDPLFý&ìçíåý&+ýì+ýíåí'ð7ð$ íëëðêäíçðèäæ

&ëìç &HUDPLFý&ìçíåý&+ýì+ýëëí-ð7ð$ íëëðêäíçðíçè

&ëìæ &HUDPLFý&ìçíåý&+ýì+ýëëí-ð7ð$ íëëðêäíçðíçè

&ëìå &HUDPLFý&ìçíåý&+ýì+ýëëí-ð7ð$ íëëðêäíçðíçè

&ëìä &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëëì &HUDPLFý&ìçíåý-%ýì+ýëæë.ð7ð$ íëëðêäíìðêäê

&ëëë &HUDPLFý&ìçíåý&+ýì+ýìåí-ð7ð$ íëëðêäíçðíçå

&ëëê &HUDPLFý&ìçíåý&+ýì+ýìëí-ð7ð$ íëëðêäíçðíçç

&ëëè &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ëëç &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ëëæ &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ëëå &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí



PARTS LIST

7-12November 1998Part No. 001-7600-001

&ëëä &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêí &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêì &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêë &HUDPLFý&ìçíåý-%ýì(ýìíê.ð7ð$ íëëðêäíçðíçê

&ëêê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêé &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêè &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&ëêç &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ëêæ &HUDPLFý&êëìçý-%ýì&ýìíè0ð7ð$ íëëðêäíçðäìæ

&ëêå (OHFWURO\WLFý(&(9ì&$ìíí65 íëëðêäíçðçìæ

&ëêä &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

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&ëéì &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëéë &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëéê &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

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&ëçí &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

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&ëçë &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

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&ëæå &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëæä &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ëåì &HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

&ëåë (OHFWURO\WLFý(&(9í-$ëëí65 íëëðêäíçðçëê

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&ëåæ &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

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&ëäë &HUDPLFý&ìçíåý-%ýì&ýéæê.ð7ð$ íëëðêäíçðíåí

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&ëäè &HUDPLFý&ìçíåý-)ýì&ýìíé=ð7ð$ íëëðêäíçðíæç

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&ëää &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&êíí &HUDPLFý&ìçíåý&+ýì+ýíéí%ð7ð$ íëëðêäíçðçíä

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&êíë &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&êíê &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&êíé &HUDPLFý&ìçíåý&+ýì+ýìëí-ð7ð$ íëëðêäíçðíçç

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&êìå &HUDPLFý&ìçíåý&+ýì+ýìíí'ð7ð$ íëëðêäíçðèäå

&êìä &HUDPLFý&ìçíåý-%ýì+ýéæë.ð7ð$ íëëðêäíçðíçë

&êëì &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&êëë &HUDPLFý&ìçíåý-)ýì&ýëëé=ð7ð$ íëëðêäíçðäìå

&êëê &HUDPLFý&ìçíåý&+ýì+ýìíí'ð7ð$ íëëðêäíçðèäå

&êëé &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&êëè &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí



PARTS LIST

7-13November 1998

Part No. 001-7600-001

&êëç &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&êëæ &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

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&êêí &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&êêì &HUDPLFý&ìçíåý-%ýì+ýéæì.ð7ð$ íëëðêäíçðíèä

&êêë &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&êêê &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&êêé &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&êêè &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&êêç &HUDPLFý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

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&êéæ &HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&êéå &HUDPLFý&ìçíåý-)ýì&ýëëé=ð7ð$ íëëðêäíçðäìå

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PARTS LIST

7-14November 1998Part No. 001-7600-001

/íë &RLOý/$ðêåëýõéäíðèìëý0+]ýRQO\ô íëëðêäíçðäèë

&RLOý/$ðëêëýõRWKHUýEDQGVô íëëðêäíçðäèì

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4êç 7UDQVLVWRUý'7&ìéé(8ý7ìíæ íëëðêäíçðíêå



PARTS LIST

7-15November 1998

Part No. 001-7600-001

4êæ 7UDQVLVWRUý'7&ìéé(8ý7ìíæ íëëðêäíçðíêå

4êå 7UDQVLVWRUý'7&ìéé(8ý7ìíæ íëëðêäíçðíêå

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5íçê 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5íçé 5HVý(5-ê*(<-ýìèéý9ýõìèíýNýRKPô íëëðêäíçðêäë

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5íçæ 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5íçå 5HVý(5-ê*(<-ýìëëý9ýõìïëýNýRKPô íëëðêäíçðêäí

5íçä 5HVý(5-ê*(<-ýìèìý9ýõìèíýýRKPô íëëðêäíçðìéè

5íæí 5HVý0&5ìí(=+-ýëïëýýRKPýõë5ëô íëëðêäíçðåéæ

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5íæê 5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô íëëðêäíçðìèæ



PARTS LIST

7-16November 1998Part No. 001-7600-001

5íæé 5HVý(5-ê*(<-ýëëìý9ýõëëíýýRKPô íëëðêäíçðëåå

5íæè 5HVý(5-ê*(<-ýìíìý9ýõìííýýRKPô íëëðêäíçðìéê

5íæç 5HVý(5-ê*(<-ýëëíý9ýõëëýýRKPô íëëðêäíçðçåè

5íææ 5HVý(5-ê*(<-ýêêëý9ýõêïêýNýRKPô íëëðêäíçðìèä

5íæå 5HVý(5-ê*(<-ýìèëý9ýõìïèýNýRKPô íëëðêäíçðìèè

5íæä 5HVý(5-ê*(<-ýëëíý9ýõëëýýRKPô íëëðêäíçðçåè

5íåí 5HVý(5-ê*(<-ýëëìý9ýõëëíýýRKPô íëëðêäíçðëåå

5íåì 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5íåë 5HVý(5-ê*(<-ýëæëý9ýõëïæýNýRKPô íëëðêäíçðìèå

5íåê 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5íåé 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5íåè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5íåç 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5íåæ 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

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5íäè 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5íäç 5HVý(5-ê*(<)ýäìêý9ýõäìýNýRKPô íëëðêäíçðääæ

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5ìíí 5HVý55íåìç5ðêçêð'ýõêçýNýRKPô íëëðêäíçðäåé

5ìíì 5HVý(5-ê(.)ýéìëì9ýõéïìëýNýRKPô íëëðêäíçðåèæ

5ìíë 5HVý(5-ê*(<-ýì5íý9ýõìýýRKPô íëëðêäíçðçåå

5ìíê 5HVý(5-ê*(<-ýëëéý9ýõëëíýNýRKPô íëëðêäíçðìæå

5ìíé 5HVý(5-ê*(<-ýëëêý9ýõëëýNýRKPô íëëðêäíçðìçæ

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5ìíæ 5HVý(5-ê*(<-ýìíìý9ýõìííýýRKPô íëëðêäíçðìéê

5ìíå 5HVý(5-ê*(<-ýìëêý9ýõìëýNýRKPô íëëðêäíçðìçé

5ìíä 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

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5ììë 5HVý55íåìç5ðêíéð'ýõêííýNýRKPô íëëðêäíçðåçì

5ììê 5HVý55íåìç5ðìíéð'ýõìííýNýRKPô íëëðêäíçðêäè

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5ììç 5HVý(5-ê*(<-ýçåëý9ýõçïåýNýRKPô íëëðêäíçðìçë

5ììæ 5HVý(5-ê*(<-ýì5íý9ýõìýýRKPô íëëðêäíçðçåå

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5ìëí 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

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5ìëë 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìëê 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5ìëé 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

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5ìëç 5HVý(5-ê*(<-ýèçìý9ýõèçíýýRKPô íëëðêäíçðìèì

5ìëæ 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5ìëå 5HVý(5-ê*(<-ýìííý9ýõìíýýRKPô íëëðêäíçðìêå

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5ìêæ 5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô íëëðêäíçðìçí

5ìêå 5HVý(5-ê*(<-ýëæìý9ýõëæíýýRKPô íëëðêäíçðìéæ

5ìêä 5HVý(5-ê*(<-ýìåíý9ýõìåýýRKPô íëëðêäíçðìéí

5ìéí 5HVý(5-ê*(<-ýëæìý9ýõëæíýýRKPô íëëðêäíçðìéæ

5ìéì 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìéë 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìéê 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ìéé 5HVý(5-ê*(<-ýëëêý9ýõëëýNýRKPô íëëðêäíçðìçæ

5ìéè 5HVý55íåìç5ðæèêð'ýõæèýNýRKPô íëëðêäíçðåçæ

5ìéç 5HVý(5-ê*(<-ýåëêý9ýõåëýNýRKPô íëëðêäíçðìæé

5ìéæ 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìéå 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìèí 5HVý(5-ê*(<-ýìíìý9ýõìííýýRKPô íëëðêäíçðìéê

5ìèì 5HVý(5-ê*(<-ýëëéý9ýõëëíýNýRKPô íëëðêäíçðìæå

5ìèë 5HVý(5-ê*(<-ýèçëý9ýõèïçýNýRKPô íëëðêäíçðìçì

5ìèê 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìèé 5HVý(5-ê*(<-ýìíìý9ýõìííýýRKPô íëëðêäíçðìéê

5ìèè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìèç 5HVý(5-ê*(<-ýèçêý9ýõèçýNýRKPô íëëðêäíçðìæë

5ìèæ 5HVý(5-ê*(<-ýìëèý9ýõìïëý0ýRKPô

íëëðêäíçðåèç

5ìèå 5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô íëëðêäíçðìçè

5ìèä 5HVý(5-ê*(<-ýêêêý9ýõêêýNýRKPô íëëðêäíçðìçä

5ìçí 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ìçì 5HVý(5-ê*(<-ýéæéý9ýõéæíýNýRKPô íëëðêäíçðìåì

5ìçë 5HVý(5-ê*(<-ýéæéý9ýõéæíýNýRKPô íëëðêäíçðìåì

5ìçê 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìçé 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ìçè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìçç 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìçæ 5HVý(5-ê*(<-ýìíìý9ýõìííýýRKPô íëëðêäíçðìéê



PARTS LIST

7-17November 1998

Part No. 001-7600-001

5ìçå 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìçä 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ìæí 5HVý(5-ê*(<-ýçåëý9ýõçïåýNýRKPô íëëðêäíçðìçë

5ìæë 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìæê 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìæé 5HVý(5-ê*(<-ýéæìý9ýõéæíýýRKPô íëëðêäíçðìèí

5ìæè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìæç 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ìææ 5HVý(5-ê*(<-ýçåêý9ýõçåýNýRKPô íëëðêäíçðìæê

5ìæå 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìæä 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ìåí 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìåì 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ìåë 5HVý(5-ê*(<-ýìííý9ýõìíýýRKPô íëëðêäíçðìêå

5ìåé 5HVý(5-ê*(<-ýëæëý9ýõëïæýNýRKPô íëëðêäíçðìèå

5ìåè 5HVý(5-ê*(<-ýìíìý9ýõìííýýRKPô íëëðêäíçðìéê

5ìåç 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ìåæ 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ìåå 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ìåä 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ìäí 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ìäì 5HVý(5-ê*(<-ýèçíý9ýõèçýýRKPô íëëðêäíçðìéë

5ìäê 5HVý(5-ê*(<-ýéæéý9ýõéæíýNýRKPô íëëðêäíçðìåì

5ìäé 5HVý(5-ê*(<-ýìåéý9ýõìåíýNýRKPô íëëðêäíçðìææ

5ìäè 5HVý(5-ê*(<-ýëëéý9ýõëëíýNýRKPô íëëðêäíçðìæå

5ìäå 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ìää 5HVý(5-ê*(<-ýéæìý9ýõéæíýýRKPô íëëðêäíçðìèí

5ëíé 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëíè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëíç 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëíæ 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëíå 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëíä 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëìí 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ëìì 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëìë 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ëìê 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëìé 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëìè 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëìç 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ëìæ 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ëìå 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5ëìä 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëëí 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëëì 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëëë 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé


5ëëê 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëëé 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëëè 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëëç 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëëæ 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëëå 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëëä 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêí 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêì 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêë 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêê 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêé 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêè 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêç 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêæ 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêå 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëêä 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëéí 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëéì 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëéë 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëéê 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëéè 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëéç 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëéæ 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëéå 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëéä 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëèí 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëèì 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëèë 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëèé 5HVý(5-ê*(<-ýéæéý9ýõéæíýNýRKPô íëëðêäíçðìåì

5ëèè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëèæ 5HVý(5-ê*(<-ýéæíý9ýõéæýýRKPô íëëðêäíçðìéì

5ëèå 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5ëèä 5HVý(5-ê*(<-ýëëêý9ýõëëýNýRKPô íëëðêäíçðìçæ

5ëçí 5HVý(5-ê*(<-ýåëëý9ýõåïëýNýRKPôýõéæíðéäíý0+]ýRQO\ô

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íëëðêäíçðìçé

5ëçì 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5ëçé 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëçè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëçç 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëçæ 5HVý(5-ê*(<-ýëæéý9ýõëæíýNýRKPô íëëðêäíçðìæä

5ëçå 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëçä 5HVý(5-ê*(<-ýêäêý9ýõêäýNýRKPô íëëðêäíçðìæí

5ëæí 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé



PARTS LIST

7-18November 1998Part No. 001-7600-001

5ëæì 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëæë 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëæê 5HVý(5-ê*(<-ýåëéý9ýõåëíýNýRKPô íëëðêäíçðäåç

5ëæé 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëæè 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëæç 5HVý(5-ê*(<-ýìííý9ýõìíýýRKPô íëëðêäíçðìêå

5ëææ 5HVý(5-ê*(<-ýéæìý9ýõéæíýýRKPô íëëðêäíçðìèí

5ëæå 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5ëæä 5HVý(5-ê*(<-ýåëêý9ýõåëýNýRKPô íëëðêäíçðìæé

:íë -XPSHUý(5'6ë7í íëëðêäíçðåææ

:íç &DEOHý23&ðéèê íëëðêäíçðåæå

:íæ -XPSHUý(5-ê*(ý-3:ý9 íëëðêäíçðìåè

:íå -XPSHUý(5-ê*(ý-3:ý9 íëëðêäíçðìåè

:íä -XPSHUý(5-ê*(ý-3:ý9 íëëðêäíçðìåè

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:ìì -XPSHUý0-3ðíïéð7 íëëðêäíçðçäè

:ìë -XPSHUý0-3ðíïéð7 íëëðêäíçðçäè

:ìê -XPSHUý(5-ê*(ý-3:ý9 íëëðêäíçðìåè

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:ìç -XPSHUý(5-ê*(ý-3:ý9 íëëðêäíçðìåè

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&èç &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&èæ &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&èå &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&èä &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&çí &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&çì &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&çë &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&çê &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&çé &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí


Front Unit (All Models)7640 (UHF) Main Unit

PARTS LIST

7-19November 1998

Part No. 001-7600-001

&çè &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&çç &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&çæ &HUDPý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&çä &HUDPý&ìçíåý-%ýì+ýìíë.ð7ð$ íëëðêäíçðíçí

&æí &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&æì &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&æê &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&æé &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&ææ &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&æå &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&æä &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&åí &HUDPý&ìçíåý&+ýì+ýéæí-ð7ð$ íëëðêäíçðçíí

&åë &HUDPý&ìçíåý-%ýì&ýìíé.7ð1 íëëðêäíçðçìé

'ì 'LRGHý0$ìììýõ7;ô íëëðêäíçðèåè

'ë 'LRGHý'$ëíé8ý7ìíæ íëëðêäíçðèåë

'ê 'LRGHý'$ëíé8ý7ìíæ íëëðêäíçðèåë

'é 'LRGHý'$ëíé8ý7ìíæ íëëðêäíçðèåë

'è 'LRGHý0$ææýõ7:ô íëëðêäíçðíéæ

'ç =HQHUý0$åíèìð0ýõ7;ô íëëðêäíçðæçç

'6íì /&'ý/'ð+8ìíìéí- íëëðêäíçðæçæ

'6íë /('ý60/ðêìì<77åç íëëðêäíçðæçå

'6íê /('ý60/ðêìì<77åç íëëðêäíçðæçå

'6íé /('ý60/ðêìì<77åç íëëðêäíçðæçå

'6íè /('ý60/ðêìì<77åç íëëðêäíçðæçå

'6íç /('ý60/ðêìì<77åç íëëðêäíçðæçå

'6íæ /('ý60/ðêìì<77åç íëëðêäíçðæçå

'6íå /('ý60/ðêìì<77åç íëëðêäíçðæçå

'6íä /('ý60/ðêìì<77åç íëëðêäíçðæçå

'6ìí /('ý60/ðêìì<77åç íëëðêäíçðæçå

'6ìì /('ý60/ðêìì<77åç íëëðêäíçðæçå

(3ë /&'ýFRQWDFWý65&1ðëíèèð63ð1ð: íëëðêäíçðææä

,&ì ý+'çéêêåæè$çê+ íëëðêäíçðæåí

,&ë 6ï,&ý6ðåíæéë6/ð$çð7ì íëëðêäíçðèèì

,&ê 6ï,&ýëè/&ìçí7ð,î61 íëëðêäíçðèèç

-ì &RQQHFWRUýäèííêðëååì íëëðêäíçðæåì

-ë &RQQHFWRUý)+ìëðéí6ðíïè69 íëëðêäíçðæåë

/ì &RLOý1/ýêëëèëë7ðì5í- íëëðêäíçðæåê

/ê &RLOý1/ýêëëèëë7ðéæí- íëëðêäíçðæåé

03ì ëíèèý/&'ýUHIOHFWRU íëëðêäíçðæäí


03ë ëíèèý/&'ýKROGHU íëëðêäíçðæäì

4íì 7UDQVLVWRUýë6&éíåìý7ìíæý5 íëëðêäíìðêéê

4ìí 7UDQVLVWRUý'7&ìéé78ý7ìíæ íëëðêäíçðèæë

4íê 7UDQVLVWRUý'7$ìéê=8ý7ìíæ íëëðêäíçðæåè

4íé 7UDQVLVWRUý'7&ìéé78ý7ìíæ íëëðêäíçðèæë

4íè 7UDQVLVWRUý;3éçíìýõ7;ô íëëðêäíçðêëå

4íç 7UDQVLVWRUýë6&éíåìý7ìíæý5 íëëðêäíìðêéê

4íæ 7UDQVLVWRUýë6&éíåìý7ìíæý5 íëëðêäíìðêéê

5íì 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5íë 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5íê 5HVý(5-ê*(<-ýëëéý9ýõëëíýNýRKPô íëëðêäíçðìæå

5íé 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5íè 5HVý(5-ê*(<-ýìëêý9ýõìëýNýRKPô íëëðêäíçðìçé

5íç 5HVý(5-ê*(<-ýìëêý9ýõìëýNýRKPô íëëðêäíçðìçé

5íæ 5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô íëëðêäíçðìåé

5íå 5HVý(5-ê*(<-ýìííý9ýõìíýýRKPô íëëðêäíçðìêå

5ìì 5HVý(5-ê*(<-ýåëìý9ýõåëíýýRKPô íëëðêäíçðìèê

5ìë 5HVý(5-ê*(<-ýêäìý9ýõêäíýýRKPô íëëðêäíçðìéä

5ìé 5HVý(5-ê*(<-ýêäìý9ýõêäíýýRKPô íëëðêäíçðìéä

5ìè 5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô íëëðêäíçðìèæ

5ìç 5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô íëëðêäíçðìèæ

5ìæ $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5ìå 5HVý(5-ê*(<-ýéæìý9ýõéæíýýRKPô íëëðêäíçðìèí

5ìä 5HVý(5-ê*(<-ýéæìý9ýõéæíýýRKPô íëëðêäíçðìèí

5ëí 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëì 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëë 5HVý(5-ê*(<-ýìííý9ýõìíýýRKPô íëëðêäíçðìêå

5ëé 5HVý(5-ê*(<-ýìåéý9ýõìåíýNýRKPô íëëðêäíçðìææ

5ëè 5HVý(5-ê*(<-ýèçêý9ýõèçýNýRKPô íëëðêäíçðìæë

5ëç 5HVý(5-ê*(<-ýêäëý9ýõêïäýNýRKPô íëëðêäíçðêäì

5ëæ 5HVý(5-ê*(<-ýêäêý9ýõêäýNýRKPô íëëðêäíçðìæí

5ëå 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5ëä 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5êí 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5êì 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5êë 5HVý(5-ê*(<-ýëëêý9ýõëëýNýRKPô íëëðêäíçðìçæ

5êê 5HVý(5-ê*(<-ýçåêý9ýõçåýNýRKPô íëëðêäíçðìæê

5êé 5HVý(5-ê*(<-ýëæêý9ýõëæýNýRKPô íëëðêäíçðìçå

5êè 5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô íëëðêäíçðìçê

5êç 5HVý(5-ê*(<-ýìëêý9ýõìëýNýRKPô íëëðêäíçðìçé

5êæ 5HVý(5-ê*(<-ýìëêý9ýõìëýNýRKPô íëëðêäíçðìçé

5êå 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5êä 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5éí 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè


Front Unit (All Models)

PARTS LIST

7-20November 1998Part No. 001-7600-001

5éì 5HVý(5-ê*(<-ýëæéý9ýõëæíýNýRKPô íëëðêäíçðìæä

5éë 5HVý(5-ê*(<-ýêêéý9ýõêêíýNýRKPô íëëðêäíçðìåí

5éê 5HVý(5-ê*(<-ýìëêý9ýõìëýNýRKPô íëëðêäíçðìçé

5éé $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5éè $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5éç $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5éæ $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5éå $UUD\ý(;%ð9å9ýìíë-9 íëëðêäíçðæíí

5éä 5HVý(5-ê*(<-ýìíìý9ýõìííýýRKPô íëëðêäíçðìéê

5èí 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5èì 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5èë 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5èê 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5èé 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5èè 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5èç 5HVý(5-ê*(<-ýèçëý9ýõèïçýNýRKPô íëëðêäíçðìçì

5èæ 5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô íëëðêäíçðìçè

5èå 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5èä 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5çí 7ULPPHUý59ðìèíýõ5+íê$ê$ìé;í)&ôýìíê

íëëðêäíçðæåç

5çì 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5çë 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5çê 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5çé 5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5çè 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5çç 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5çæ 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5çå 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5çä 5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5æí 5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

:ì -XPSHUý0&5ìí(=+-ý-3:ýõíííô íëëðêäíçðæåæ

:ë -XPSHUý(5-ê*(ý-3:ý9 íëëðêäíçðìåè

:ê &DEOHý23&ðæéì íëëðêäíçðæåå

;ì &U\VWDOý&5ðèäíýõçïåíìèý0+]ô íëëðêäíçðæåä

5HIý1Rï 'HVFULSWLRQ 3DUWý1Rï 5HIý1Rï 'HVFULSWLRQ 3DUWý1Rï

æçìíýõ9+)ôý&+$66,6ý3$576

-ì &RQQHFWRUý05ð'6ð(ýíì íëëðêäíçðæèí

03ì ëíèèý&KDVVLV íëëðêäíçðæèì

03ë ëíèèý)URQWýSDQHO íëëðêäíçðæèè

03ê ëíèèý)URQWýNH\ýõ$ô íëëðêäíçðæèç

03é ëíèèý&RYHU íëëðêäíçðæèæ

03è ëíèèý0ð3ODWH íëëðêäíçðæèå

03ç 5XEEHUýVKHHWýõ$.ôðì íëëðêäíçðæèä

03æ 3+ý%7ý0êý;ýåý1,ð=8 íëëðêäíçðæçí

03å ëíèèý6SHDNHUýSODWH íëëðêäíçðæçì

03ä ëíèèý6SHDNHUýQHWðì íëëðêäíçðæçë

03ìì ììëçý75ð$ýFOLS íëëðêäíçðæèë

03ìë 6SRQJHýõ)/ô íëëðêäíçðæèê

03ìê 5XEEHUýVKHHWýõ$0ô íëëðêäíçðæèé

63ì 6SHDNHUý96ðèæðíåêæ$ íëëðêäíçðæçê

:6ì 3ì&+ íëëðêäíçðæçé


æçéíýõ8+)ôý&+$66,6ý3$576

-ì &RQQHFWRUý05ð'6ð(ýíì íëëðêäíçðæèí

03ì ëíèèý&KDVVLV íëëðêäíçðæèì

03ë ëíèèý&RYHU íëëðêäíçðæèæ

03ê ëíèèý)URQWýSDQHO íëëðêäíçðæèè

03é ëíèèý)URQWýNH\ýõ$ô íëëðêäíçðæèç

03æ 3+ý%7ý0êý;ýåý1,ð=8 íëëðêäíçðæçí

03å ëíèèý6SHDNHUýSODWH íëëðêäíçðæçì

03ä ëíèèý6SHDNHUýQHWðì íëëðêäíçðæçë

03ìì ììëçý75ð$ýFOLS íëëðêäíçðæèë

03ìë 5XEEHUýVKHHWýõ$0ô íëëðêäíçðæèé

63ì 6SHDNHUý96ðèæðíåêæ$ íëëðêäíçðæçê

:6ì 3ì&+ íëëðêäíçðæçé

Chassis PartsFront Unit (All Models)

7-21November 1998

Part No. 001-7600-001

MP2 (C)

MP3 (C)

MP2 (F)

DS1 (F)

EP2 (F)

MP1 (F) FRONT UNIT

W3 (F)

J1 (F)

MP7 (C)

MP1 (C)

MP7 (C)

MP7 (C)

MP4 (M)

MP1 (M)

MP2 (M)

MP13 (C)MP7 (C)

MP5 (M)

MP6 (C)

MP7 (C)

MP11 (C)

MP12 (M)

W7 (M)

J5 (M)

MP6 (C)MP5 (C)

MAIN UNIT (Bottom side)

MP3 (M)

MP7 (C)

J1 (C)

MP9 (C)

SP1 (C)

MP8 (C)

MP7 (C)

MP4 (C)

WS1 (C)

VHF (7610) EXPLODED VIEW

UHF (7640) EXPLODED VIEW

7-22November 1998Part No. 001-7600-001← ← ← ← FOLDOUT (VHF Exploded View)

SECTION 8 - SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS

5V

5V

8

7

6

5

4

3

2

1

BAL

REF

T4

T3

T2

T1

AF

DTCS

IC5

SCKSOPLSTUNLK

5V

x1 or x2

NWC

R5

L26.L27

2nd Lo

PLLIC

REFOSC

BALREF

FM DET

IC3

NOISSD

FI3.FI4or FI5

NWC

CERAMICBPF

BPF

x3DISC

IC2

LOOPFIL VCO

5V

5V

C60.C61 Q7.Q8D7.D8L14

Q10

Q5

RIPPLEFIL

BUFF

BUFF

BUFF

Q4Q6

5V

TX/RXSW

D5.D6

L23.L24

T5 T5

Q3 Q2 Q1 IC1

BUFF BUFFPWRAMP

VCC

LPF

L5

FWD

REV

RFDET

APCCTRL

VCC

IC6CQ17.18

T4

D1.D2

LPFANTSW

D3.D4D13.D14L17.L18

T5

L1.L2.L3

BPFBPFBPF

BPF

RFAMP

5V

Q35

RF ATT

L19.D16

T1T2

Q12

T3T4

L22D20.D21

L21D18.D19

R5L20.D17

ATT

R5

Q13

OLtS1

FI1 or FI2

IFAMP

Q14

R5

XTALBPF

MICINMICOUT IC4b

MMUT

AMPIC7d

5V

HPF

5V

AFHPF

IC8

5V

IC7b

ENOT

ENOTXE

SCTD

DETAF OUT

IC4a

AMUT

AMPIC7a

5V

MIC

5V

IC7c

BUFFLIMITAMP

5V

NWC

IC6b

T5

AMUT

5V

IC6d

AFON

MOD

IC4d

IC4cBUFF

HV

AFAMP

IC10

AFO

J5

J5

FAN

EX.SP

J4

SP

HV

PTT

IN

DET

AFO

HORNDIMHV

J3

DIMSW

HORNSW

SIGSW

Q34

Q32

Q33

HV

DIMIN

HORNO

AFO

DET

IN

EXPTT

+5REG

T5SW

R5SW

8VREG

HVSW

Q26

PWONQ36

Q27R5C

Q28T5C Q29.Q30

PWON

IC9

8V

HV

R5

T5

5V

CPU5W7

+5REG

MICTEMPVINPLSTDASTEXSTEXENUNLKNOISRFATTDTCSBEEPTONEBEEPOUTBUSYOPCSOPINTGNDCPU5V8V

GNDLVINSDSCKSODIMINEXPTTPWONDETPTTINPTTOPV1OPV2OPV3OPT1OPT2OPT3SIAFO5V

J1

to FRONT

123456789

101112131415

302928272625242322212019181716

GND5VHVMICMUTEAFONOPBEEPOUTRXMUTDETAFOUTREMOPCSOPINTSOSISCK

MICOUTMICIN

BUSYMOWNSIGOUTOPT1OPT2OPT3

OPV3OPV2OPV1

J2

OPT

X

X

EXTONE

IN

PTTOUT

PTTIN

MMUTCTRL

RMUTCTRL

5V

SOSCKEXSTEXENNWC

AFHPF

AFATT

HORNO

TMUT

T5C

MMUT

RMUT

IC11MM

RM

D25

D26

EXP

CPU

VINTEMPLVINSODIMINEXPTTPTTINUNLKNOISRFATTPWONEXENEXSTDASTPLSTSCKSOSIBUSYOPCSOPINTOPV1OPV2OPV3OPT1OPT2OPT3

HANGER

MIC

PTTAFOCLONE8V

MIC

CLONEI/F

Q4

J1LPF

D/A

5V

Q6R33.R34.R35

Q5

5V

BEEPMUTE

Q10

AMP

DET

DTCSIN

TONE

BEEPOUT

5V

R60

5V

Q7BEEP

5V

AF CH U/D.Etc

KEY X8

SW2-SW9

POSW

S1

DIMCTRL

BACKLIGHT

Q3.D6DS2-DS11

DS1

LCD

POSW

KS0.KS1

KR0-KR3

DIM

SEG1-SEG32

COM1-COM3

CPU5 CPU5

RESET EEPROM SHIFTCTRL

X1D5,C17IC3IC2.Q1

CPU5

MICTEMPVINPLSTDASTEXSTEXENUNLKNOISRFATTDTCSINBEEPTONEBEEPOUTBUSYOPCSOPINTGNDCPU5V8V

GNDLVINSOSCKSODIMINEXPTTPWONDETPTTINPTTOPV1OPV2OPV3OPT1OPT2OPT3SIAFO5V

to MAIN

FRONT UNIT

MAIN UNIT

IC1

LPF

A/D

COMMON LINE

LINE

RX LINE

TX LINE

DATA BUS LINE

BE

EP

DRIVEAMP

BPF

CS

HIF

T

RE

SE

T

EC

SS

IS

OS

CK

OS

C2

OS

C1

CT

CIN

CLI

N

CLO

UT

HA

NG

BM

MT

ON

E

DT

MF

CT

DA

O-C

TD

A2

J2

2468

10121416182022242628303234363840

13579

111315171921232527293133353739

13579

111315171921232527293133353739 40

3836343230282624222018161412108642

VCC

GND

NC

NC

8-1November 1998

Part No. 001-7600-001 VHF (7610) BLOCK DIAGRAM

VHF (7610) Transistor Basing Diagrams VHF (7610) Diode Basing Diagrams

8-2November 1998Part No. 001-7600-001

8-3November 1998

Part No. 001-7600-001 VHF (7610) MAIN BOARD BOTTOM VIEW FOLDOUT →

8-4November 1998Part No. 001-7600-001VHF (7610) MAIN BOARD TOP VIEW

8-5November 1998

Part No. 001-7600-001 VHF (7610) MAIN BOARD SCHEMATIC

15.3MHz

3.6V

2.2V

RX:1.2V

RX:0V

RX:0.63V

RX:4.7VRX:0V

7.7V TX:0VRX:5.0V

TX:5.0VRX:0V

13.2V

5.0V(PMR)

LMR(only)

13.2V

5.0V

1

2

3

4

5

6

7

8

9

10 11

12

13

14

15

16

17

18

19

20

IC2 µPD3140GS

VCC1

IN1

ENB

CLK

DATA

T1

LOK

CP1

FI1

FO1

GND1

IN2

VCC2

XB

XI

XO

GND2

CP2

FI2

FO2

C68

0.01

R49EXB-V8V(1kx4)

C69

0.00

1

C70

47p

C71

47p

C72

47p

C73

0.00

1R

5010

0

C74

20p(

L-ba

nd)

9p(H

-ban

d)

C75

9p

(H-b

and

only

)

L16 32nH

C67

0.00

1

C80

12p

X1 CR-575

C79

56p R51

100

C8233p

D12

HV

U17

R5447k

C86

0.00

1C852.2

R2331k

R232470kR

5575

k

C61

0.68 C60

2.2

R44 10

R43

2.2k

R4610k

C59

0.1

C58

0.00

1

L152.7µH

Q9DTC114EU

C57

0.00

1

D10MA77

R371k

C28

10.

001

R60

15k

C56

0.00

1D

9M

A77

C54

100p

(L-b

and)

56p(

H-b

and)

C55

33p

L14MC152-E558CN-100024

D8

HV

U35

0D

7H

VU

350

C531.5p

R36

8.2k

Q82SC4226

C51

0.00

1

R35

220

Q72SC4226

R34

8.2k

C522p

C50

0.0

01

R33

470

C62

0.00

1

R39

47k

C49

0.00

1

R38

1k R32

100

C63

10

R40

4.7k

Q102SC4081

D11

MA

111

R45

2.2k

R41

1k

C64

0.00

1

C65

0.00

1R

471k

C66

0.00

1

R48

47k

Q112SK880

CP1LVIN

REF

BAL

PLST

SCK

SO

UNLK

C480.5p

Q62SC4215

C47

0.00

1

R31

68k

L13

0.1µ

H

R30

680

C45

5p

C44

0.00

1

R29

68k

L12

0.1µ

H

Q52SC4215

C4622p

C43

12p

C42

0.00

1

R27

39k

L11

0.1µ

H

Q42SC4215

C4118p

R25

4.7k

D6MA77

D5MA77

R24100

C3910p

R21

5.6k

R23

4.7k

C40

0.00

1

R28

470

R26

390

R22

100

R20

8.2k

(PM

R)

15k(

LMR

)

C38

0.00

1

R19

150

R24

615

0

C3647p

R17

1.8k

Q32SC4215

C35

0.00

1

R15

100

Q22SC4215

R16

3.9k

(PM

R)

8.2k

(LM

R)

C37

0.00

1

R18

100

R14

22

L9 0.12

µH(L

-ban

d)0.

15µH

(H-b

and)

C32

0.00

1

D29DA221

C30

0.00

1

R11

27(P

MR

)5.

6(LM

R)

R10

27(P

MR

)5.

6(LM

R)

Q12SC4703

C29R12560

C29

90.

001

R13

2.2k

C31

470p

C3315p(PMR)18p(LMR,L-band)8p(LMR,H-band)

L8 68nH

C28

470p

C27

0.00

1

C26

0.00

1

R956

C25

C24

C23

R8

270

(PM

R o

nly)

R59 22k

R24

510

kF

IN

MOD

NWC

Q16DTA144EU

C14

70.

01

C14

60.

01

R11

047

k

R10

822

k

R10

910

k

R10

722

k

D23DAN202U

D22DAN202U

I O

R10

515

k

R10

615

k

FI3SFPC450G C149

0.1R10410

OI

FI4SFPC450E

C1480.1

R10

033

0kC

139

220p C138

220p R98

100k

C13

70.

1

C13

61

R99

2.2k

(L-b

and)

3.3k

(H-b

and)

C13

50.

01

OSCIN

OSCOUT

MIXOUT

VCC

IFIN

DEC

FILOUT

FILIN

MIXIN

GND

N-REC

N-DET

RSSI

IFOUT

QUAD

AFOUT

1

2

3

4

5

6

7

8 9

10

11

12

13

14

15

16

R24

110

0k

C13

40.

001

R96

1.8kIC3

TA31136FNR1021.5k

C14010p

L26

1µH

C14

118

p

C1424p

C14

312

p

L27

1µH

C14

510

p

C14415p

X3CDBCA450CX24

NO

IS C13

30.

033

SD

R97 470

C13

20.

001

C29

00.

01

C13

110

0p

R951.5k

C1300.01

Q152SC4081

C12

90.

01R

9310

k C1280.01

Q142SC2714

C12

70.

01 R92

470

R91

100k

R89560

FI1b

FI2SFPC450G

C12

611

p

FI1aC1240.001

R87820

C11

90.

01

C12

00.

001

C12

168

p

L25

0.47

µH

R86

220

C12

30.

01

C12

20.

001

Q133SK166

R83

10k

R81

100k

L24

0.1µ

H

C11

756

p

C11815p

C11

615

p

L2347nH

C1071p

R84

100 R78

4.7k

C11

50.

001

R77

100

L22

33nH

C11

215

p(L-

band

)8p

(H-b

and)

D21

HV

U35

0

C11

112

0p(L

-ban

d)10

0p(H

-ban

d)

D20

HV

U35

0

R74100k R

761M

C11

00.

001

T4

T3

R75

1M

C10

90.

001 R73

100k

D19

HV

U35

0

D18

HV

U35

0

C10

612

0p(L

-ban

d)10

0p(H

-ban

d)

C10

56p

(L-b

and)

4p(H

-ban

d)

R72

100k

C1040.001

C10

30.

001

C10

20.

01 R71

100

Q123SK239

C10

00.

001

R69

47C

101

0.00

1

R67

10k

L21

33nH

R66

100k

C991.5p

L20

54nH

C98

9p(L

-ban

d)6p

(H-b

and)

C97

220p

(L-b

and)

100p

(H-b

and)

D17

HV

U35

0

RF

AT

T

T2

R62100k

C96

0.00

1

R64

1M R63

1MT

1

R61100k

C95

0.00

1

C92

150p

(L-b

and)

100p

(H-b

and)

C91

4p(L

-ban

d)1.

5p(H

-ban

d)L1

954

nH

C904p

D15

1SS

352

C89

7p

D14

MI8

09

C28

60.

001

Q35DTA144EU

C20

20.

001

R22

818

k

L18656LZ-09K

D13

MI8

09

C88

22p C

8715

P(P

MR

)18

P(L

MR

)

L17656LZ-09K

VIN1

VOUT1

VOUT2

VIN2

VDD

LD

CLK

DI

VIN3

VOUT3

VOUT4

VIN4

VIN8

VOUT8

VOUT7

VIN7

GND

RESET

VDAREF

DO

VIN6

VOUT6

VOUT5

VIN5

IC5M62363FP-650C

1

2

3

4

5

6

7

8

9

10

11

12 13

14

15

16

17

18

19

20

21

22

23

24

C17

60.

01R

140

100

C17

70.

01

C17

80.

001

DA

ST

SC

K

SO

C17

90.

001

C18

00.

001

C18

10.

001

R143100k

R142100k

R141100k

C18

210R

145

10k

C18

30.

01

R15

410

0k

-+

810

9

IC7cNJM2902V

C28

30.

0018

R22333k

C284390p

R14668k

R15

110

k

T1

T2

T3

T4

R15

210

k

DT

CS

R17747k

C18

42.

2R

147

180k

R14

856

kC

185

0.1

EX

TO

NE

TO

NE

C18

60.

1R

149

180k

R15

310

k

R150210k

R15

510

k

C2130.001

W6

-+

67

5

C18

70.

01

R15

868

0k

IC7bNJM2902V

R156680k

R15712k

R15

910

k

IC8bNJM2904V

67

5

-

+

R16268k

C1942.2

R16

147

0k

R16

31M

C1890.01

AF

HP

F

R16

015

k

C1900.01

R227680k

C18

80.

047

R16

44.

7k

+

-

31

2

IC8aNJM2904V

R16

612

0k

8

4

R22

618

0k

C1920.01

R17

01M

R17

11M

R23

02.

2k

C1960.1

R22947k

AF

OU

T

DE

T

BR

172

15k

C1970.1

A

MIC

IN

MIC

OU

T

R16547k

C29

40.

01

R18

14.

7k

-+

1314

12

R17

668

0k

C19

90.

1

R174 680k

C198 15p

C20

110R

180

39k

R17

915

0k

MIC

R17510k

C29

60.

001

R23

510

k

31

2-+

11

4

R236100k

C287100p

R23

410

0k

D31DA204U

R17833k

IC7aNJM2902V

R238 18k

8V

CPU5V

GND

OPINT

OPCS

BUSY

BEEPOUT

TONE

BEEP

DTCS

RFATT

NOIS

UNLK

EXEN

EXST

DAST

PLST

VIN

TEMP

MIC

5V

AFO

SI

OPT3

OPT2

OPT1

OPV3

OPV2

OPV1

PTT

PTTIN

DET

PWON

EXPTT

DIMIN

SO

SCK

SD

LVIN

GND

J1

R212EXB-V8V(1kX4)

R213EXB-V8V(1kX4)

R214EXB-V8V(1kX4)

R215EXB-V8V(1kX4)

R216EXB-V8V(1kx4)

R217EXB-V8V(1kx4)

R219EXB-V8V(1kx4)

R218EXB-V8V(1kx4)

C23

80.

001

C23

60.

001

C23

70.

001

R24

7

4

7k

C24

7

4

7p

C24

6

4

7p

C24

5

4

7p

C24

4

4

7p

C24

3

4

7p

C24

2

4

7p

C24

1

4

7p

C24

0

4

7p

C25

2

4

7p

C25

3

4

7p

C25

4

4

7p

C29

2

4

7p

C25

1

4

7p

C25

0

4

7p

C24

9

4

7p

C24

8

4

7p

C25

6

4

7p

C25

5

4

7p

C25

7

4

7p

C25

8

4

7p

C25

9

4

7p

C26

0

4

7p

C26

1

4

7p

C26

2

4

7p

C26

3

4

7p

C26

4

4

7p

C26

5

4

7p

C26

6

4

7p

C26

7

4

7p

C26

8

4

7p

C26

9

4

7p

C27

0

4

7p

C28

5

4

7p

C29

1

4

7p

C2000.22

R237 1k

OPINT

OPCS

BUSY

BEEPOUT

TONE

BEEP

DTCS

RFATT

NOIS

UNLK

EXEN

EXST

DAST

PLST

VIN

TEMP

MIC

AFO

SI

OPT3

OPT2

OPT1

OPV3

OPV2

OPV1

PTTOUT

PTTIN

DET

PWON

EXPTT

DIMIN

SO

SCK

SD

LVIN

PTTIN

PTTOUT

MICOUT

MICIN

NC

BUSY

NC

SIGOUT

OPT1

OPT2

OPT3

OPV3

OPV2

OPV1

5V

HV

MICMUTE

AFONOP

BEEPOUT

RXMUTE

DET

AFOUT

REM

OPCS

OPINT

SO

SI

SCK

J2

D E

C

IN

EXTONE

R18

71M R

188

1M R18

91M R

190

100k

R19

110

0k

R19

210

0k

C22

40.

001

C22

50.

001

STRB

DATA

CLK

Q1

Q2

Q3

Q4

VSS

VDD

OENA

Q5

Q6

Q7

Q8

Q'S

QS

IC11BU4094BCFV

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

EX

ST

SO

SC

K

T5C

TM

UT

R18

247

k

D24MA111 R

222

47k

HO

RN

O

AF

ON

AF

HP

F

NW

C

EX

EN C

203

0.01

D26DAN202U

RM

UT

MM

UT

R18

310

0k

R18

410

0kD25MA111

TE

MP R18

610

0k

R18

5N

TC

CF

2012

4AH

(47k

)

C28

210

D30

MA

8082

R19

32.

2k

R22122

C20

422

0

1

24

5

3

R19

410

k

C20

50.

1Q362SD1664

AFOG

H

R129 560

C206470

R19

510

k

PW

ON

Q25DTC114EU

R19

71k

R19647k

Q262SB1124

C20

722 C20

80.

001

C21

00.

001

C20

922 C21

20.

001

C21

122

PI

VG

G

VD

D

PO

GND GND

IC1SC-1364(PMR,L-band)SC-1365(PMR,H-band)M68702L(LMR,L-band)

C22

22p(

L-ba

nd)

20p(

H-b

and)

C20

22p(

L-ba

nd)

20p(

H-b

and)

C27

547

p

C27

447

0p

C27

30.

001

C27

20.

001

C27

10.

001

C29

747

0

C28

047

p

C27

947

0p

C27

80.

001

C27

70.

001

C27

66.

8

L4LW-25

R622

C16

470p

C17

0.00

1

R733

C18

470p

C19

0.00

1

Q382SD1664

R24

368R242

470

C5

0.5p

R3

47

FWD

REV

C15

10.

001

D21SS375

R1674.7k

R51.5k(PMR)1.8k(LMR)

C7470p

R2

47

R112100

C15

30.

001

C15

50.

001

D11SS375

C15

00.

001

C15

20.

001

C15

447

0p

R111100

D3MI407

C150.001

C13

36p(

L-ba

nd)

33p(

H-b

and)

C11

20P

(PM

R)

15P

(LM

R)

C10

15P

(PM

R)

12P

(LM

R)

C8

12p(

PM

R o

nly)C9

10p(L-band) 9p(H-band)

L3LA253

L2LA243

C3

6p C1

5p

L1LA253

R1

82k

W1

R119100k

T4

TM

UT

R24

833

0k

C16

00.

001

C15

90.

001

R11815k

-+

R11

715

0k

R24

910

k

Q19DTC144EU

C15

70.

001

Q23DTC144EU

C29

8

R120R1164.7k

R11

510

k

Q182SC4081

R11

468

0

C1562.2

R1133.9k

Q172SB1143

C17

50.

01

R13

91M

C17

40.

01

RE

F

DT

CS

BA

L R13

71M

89

10

IC6cNJM2902V

Q21DTC144EU

NW

C C17

30.

001

C172200p

R13527k

R13668k

C1710.001

+

-

R21

12.

2k

R1692.2k

5

67

IC6bNJM2902V R134

4.7k

C17

00.

01

C16

90.

01

I/O O/I

O/I

I/O CO

NT

B

CO

NT

C

VE

E

VD

D

CO

NT

A

CO

NT

D I/O O/I

O/I

I/O

1 2 3 4 5 6 7891011121314

MM

UT

RM

UT

MO

D

C16

80.

1

R13168k R

130

10k

C16

70.

01

R13

347

k

BE

EP

-+

13

1214

R12

710

0k

C16

50.

01

R12

610

k

R128 100k

C164 0.022

R12510

AF

ON

AF

ON

OP

R24

06.

8k

Q39DTC144EU

D33DAN202U

R1236.8k

C16

31

Q20DTC363EK

C2930.1

R12

410

0k

C16

20.

01

R12

275

k

C16

10.

1

-+

2

31

4

11

IC6aNJM2902V

C16

62.

2

R19

847

k

Q272SA1588

R19

94.

7k

R20

047

k

R20

11k

Q282SA1588

Q37DTC144WU

T5C

PW

ON

R2034.7k

Q31DTC144EU C

215

10

6 5 4

1 2 3

Q30XP6501

R20

210

k

Q292SB1201

R2041k

C21

610

0

C21

70.

01

O IG

C21

80.

01

IC9S-81250PG-PD

C21

90.

001

VIN

R20

610

0k

R20

530

0kC

220

470

D27

DS

A3A

1

C22

10.

001

C22

247

0p

C22

347

p

D32

RD

20E

IJ5

HV

DIM

HORN

GND

AFO

GND

DET

GND

IN

GND

PTT

R220100

P1

SP1

toEXTERNALSPEAKER

to FAN

forOPTIONALCABLE

C23

50.

001

C23

40.

001

C23

30.

001

C23

10.

001

C22

60.

001

C22

70.

001

C22

80.

001

GND

HV

SP GND

TO SP

AF OUT

SP GND

SP

VCC

GND

W7

Q33DTC114EU

D28MA111

C2300.22

R20

710

0k

R21

01MR

209

1M

Q342SJ144

R20

81M

C2291

Q32DTC114EU

DIMIN

HORNO

AFO

DET

EXPTT

IN

ANT

a b c acb

Q22DTC144EU

R10

139

0 R90

1.5k

FI1FL-285

R12

130

0k

IC6dNJM2902V

IC4BU4066BCFV

R168 1M

C28

80.

01

toFRONT UNITJ2

Q24DTC144EU

IC10LA4425A

C23

20.

001

J4

J6

J3

R251PTH9C32

Q402SC4081

C30

10.

001

R25

2 15

K

5V

CPU5

5V

R5

T5

VCC

5V

e

AFREF

C1135p

5V

C931P

D16

HV

U35

0

DA

RE

F

C4470P

VHF MAIN UNIT

L5LA253

1 2 3 4M68702H(LMR,H-band)

L6L7

5V

T5

R42560

5V

R5

T5

R5

T5

5V

AFREF

C2950.001

CPU5

5V

R5

T5

8V

39 40

1 2

forOPTIONALUNIT

5V

1 30

15 16

C19

10.

01

e

10nH(LMR,H-band only)47nH(Others)

18p(LMR,H-band only)22p(Others) 18p(PMR,L-band only)

12p(H-band)

36p(PMR,L-band only)27p(H-band)

18p(LMR,L-band)8p(PMR,L-band)12p(H-band)

R4

1k(PMR)100(LMR,H-band)330(LMR,L-band)

15k(LMR,L-band only)4.7k(Others)

22(LMR,L-band only)10(Others)

NOTE: All 7610 Models are LMR (U.S.A.), H-Band (146-174 MHz).

8-6November 1998Part No. 001-7600-001

FOR

REV

D1

T8V

R8V

Q1

Q2

RFATT

T1T2

D3,D4,D5D7D8

R8V

R8V

Q3

Q4

D13

N/WSW

N/WSW

N/WSW

T3T4

D9D10FI1

46.35MHz

X1

FI2

FI3

NWC

D12

Q5

DET

AFOUT

IC6C,D

Q22

5V5V

BIC4A

8V

RMUT TXC

IC12

IC11 IC11

Q32

IC9

HV

J1

12

J2 H G

MIC

AFO

MICIN

MICOUT

5V

IC8BA

MMUT

AFATT

IC6B

IC11 IC11

BEEP

IC8A

IC7A

MOD

AFON

24

23

IC7B

AFHPF

T1

T2

2

5V

NOIS SD

NOISIN

5V

DTCS

TXC

Q30Q28

LVIN

Q33

Q24Q26Q27

NOISOUT

8V 8V

Q23,D20,D34

Q25,D22,D33D21

2ndLo

T8V VCC

IC5Q19

T8V

Q20

T8V

Q21

D18,D19

VCC

APCV

T4

IC4BQ17Q18

HV

PWON

W6

IC3

Q14Q15

HV

IC2

8VREF

Q10Q11D15

DTCSOUT

CPU5V

MOD

+5VQ29

8V

IC10

REF

Q34

DTCSOUT

5V 8V

TCXO

X2

15.3MHzSOSCKPLSTUNLK

L32,L33

SCKDAST

14

T3

T4

3

10

11

22

21

EXP

IC13

SO

SOSCKEXST

NWC

AFHPF

AFATT

HORNO

TMUT

TXC 5V

EXEN

MM RM

45.9MHz

2ndLo

TXC

Q35

TXC

NWCTONE

SIGOUT

MAIN UNIT

DTCS

FRONT UNIT

AF,CH U/D,Etc

DS2-DS11

DS1

Q38V

NOIS

SD

VIN

LVIN

EXPTTPWONRFATT

CTDA0

CTDA2

DTCSIN

Q6

DIM

DIMIN

O

P

T

I

O

N

B

U

S

TEMP

TEMPDET

VOLTDET

VCC

CPU5

RMUT

RM

CPU5V

RMUT

CTRL

D24,Q37

R8V

T8V

TXC

R8V

5V +5VCTRL

Q12Q13

T8V

Q8Q9D14

CPU5VMMUT

MIMUTMMRXMUT MMUT

CTRL

D25,Q46

TMUT

COMMON LINE

LINE

RX LINE

TX LINE

DATA BUS LINE

DIMHORN

DISC

HV

AFO

IN

PTT

DIMSW

Q38

HORNSW

Q39

1234567891011

J5

OPV1OPV2OPV3GNDOPT3OPT2OPT1

BUSYAUX

SCKSISO

GND 1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16

1718192021222324252627282930

J4

SIGOUT

MICINMICOUTPTTOUTPTTIN

5VHVMIMUTAFONBEEPORXMUTDETAFOUTREM

MDWN

OPCSOPINT

HORNO

DIMIN

HV

SCKSISO

BUSYOPT1OPT2OPT3OPV1OPV2OPV3

OPINTOPCS

PTTIN

PTT

C

RES

POSW

CPU

IC1

SHIFTSW

D5X1

HANG

IC2,Q1,D1

CLIN

CLOUT

Q4,D28V

PTTIN

CPU5V

HANGERHANG

POSW

Microphone

SWITCH x8

AFO

MICDET

CLONE DTMF

MTONE

CTCIN

TONECONV

Q7

Q5

BEEP

BEEPO

MUTE

Q10

BM5V

EEPROM

IC3UT-96

OPTION

EXPTT

SIGOUT

DET

AFO

UT-105

SIGSW

Q40

LPFLPFLPFTX/RXSW

BPFBPFRF

AMPBPFBPFMCF

FM ICIC1

IFAMP

+5REG

POWERSW

+8REG

R8V

APCCTRL

APCDET

RFATT

LPT

PWRAMP

DRIVEAMP

BUFFYGRAMP

TX/RXSW

LPFBUFFBUFF

RXVCO

VCOSW

TXVCO

LOOPFIL

PLLIC

BUFF

BPF

D/AIC12

AMP

HPF

SHIFTSW

AF SW

AF SW

D/AAMPAF

AMP

AFMUTE

AMP LIMITAMP

BUFF

SUPRA-TTER

N/WSW

AF SW

AF SW

BACKLIGHT

LCD

LEDCTRL

MICLPF

CLONEI/F

RESET

CONV

UHF (7640) BLOCK DIAGRAM

8-7November 1998

Part No. 001-7600-001 UHF (7640) MAIN BOARD BOTTOM VIEW FOLDOUT →

8-8November 1998Part No. 001-7600-001

C 19 4

R 65R 11 3

R 11 2

Q 17

R 66

R 69

C 92

C 91

M P 10

D 28

D 16

J6W 6

W 6

R E D

B LK

C 19 6

R 17 3C 19 5

C 84

Q 18Q 14

IC 3

C 81

I OC 79

C 10 1 L1 7

C 30 4L1 9

R 70

C 10 0

C 80

C 74IC 2

IC 9

C 76

C 70

Q 12

Q 13D E T

W 1 2

C P U5

C 29 8

R 58C 77

R 8

T 8

T M U T

C 78

C 67C 68C 32 5

C 32 6

C 32 7

8V

C 32 8

C 20 6

C 23 8 C 75 C 71

J2C 28 1 5V

R 20 6

R 20 5

R 20 4C 23 2

IC 13D 25

D 24

Q 37

C 21 2

T XC

E XT M

J5

1

11

1

C 28 9

C 20 7

C 23 4

C 23 5 C 23 6 R 20 8

C 28 7

Q 39

Q 38

C 28 8J4

1

J31

R 22 3

R 23 2

C 33 4

C 33 5

C 17 7

C 23 9

C 27 9

R 23 6

R 24 5R 23 7

R 24 6R 23 8

R 24 7R 23 9

R 24 8C 27 4

C 26 4C 27 3

C 26 3C 27 2

C 26 2C 27 1

R 25 1

R 26 7R 18 6

C 33 3

C 22 5

R 19 8

Q 36

IC 11

R 25 8

C 33 2

C 33 1

C 34 9

Q 40

R 15 5

R 15 3

R 26 5

+C 17 6

R 10 7

R 10 8

R 96 R 97 Q 22

C 13 4R 10 9

C 13 3R 14 6 R 14 8

R 14 8

C 21 1

R 11 1

R 11 0

X 2

C 20 9

C 21 3 R 19 1

R 18 7

R 18 8

R 18 9

R 19 0

C P 1

C 19 9C 19 8

L2 6

L2 3

M P 1, 2

W 1 1

W 1 0

C 34 2

R 9 R 8

C 97C 28 6

L1

L1 6D 3

L6C 93 C 13

L3

L2

C 32 9

Q 44 Q 45

C 33 0

C 31 4

C 31 5

L4

C 17

D 4 L5

C 18

D 5

D 6

L7

L8

C 30 9

C 31 0

C 34 8

L9R 17 C 31 7

L1 0C 31 3

R 20

C 31 1

L1 1

C 16 7

C 14 1R 11 5

R 11 6

C 14 2

Q 23C 14 3

R 11 7

C 14 4C 34 6 R 14 0C 14 5

R 13 5R 13 4 C 16 1 R 13 9

R 13 8

C 16 5

L3 1

C 16 4

C 16 2L3 0Q 30

R 13 6

C 16 3

R 12 3C 15 0

C 15 1

R 12 5

R 12 4

W 9

Q 25

C 15 2C 15 3

C 15 4

C 31 2

L1 4C 45C 44

L1 3R 32

C 30 3

F I1

F I2F I3IC 6

R 95 R 96

R 94

C 12 6C 12 7R 99

C 12 9R 10 0

C 12 8

R 14 7 C 13 0

R 10 1

X 1

R 47

R 45R 44

C 61

C 63

C 58

R 48

+C 57

C 62

R 46

R 40

C 56

R 41C 52

IC 1

C 51

C 50

R 36

C 49

L1 5

F I1

C 28 2

C 29 5

C 24 2

C 24 1

C 17 8

R 21 3

R 21 4

R 21 5

R 21 8

R 21 7

R 21 6

J6

1

J2 (To Spkr)

J5 (To Opt Cable)

15

1630

23940

2 - G nd1 - H V

1 - 8V3 - C PU 5 V5 - G N D7 - O PIN T9 - O PC S11 - B U SY13 - B E EP O U T15 - T O N E17 - B E EP19 - D T CS21 - R F AT T23 - N O IS25 - U N LK27 - E X EN29 - E X ST31 - D A ST33 - P LS T35 - V IN37 - T EM P39 - M IC

11 - P TT10 - G N D9 - IN8 - G N D7 - D IS C6 - G N D5 - AF O4 - G N D3 - H O RN2 - D IM1 - H V

2- 5V4 - AF O6 - S I8 - O PT 310 - O P T212 - O P T114 - O P V 3

16 - O P V 218 - O V P 120 - P TT22 - P TT IN24 - D E T26 - P W O N28 - E X PT T30 - D IM IN32 - S O34 - S C K36 - S O38 - L VIN40 - G N D

J3 (To Front Unit)

30 - G N D29 - 5 V28 - H V27 - M IC M U TE26 - A FO N O P25 - B E EP O U T24 - R X M U TE23 - D E T22 - A FO U T21 - N C20 - O P C S19 - O P INT18 - S O17 - S I16 - S C K

1 - PT T IN2 - PT T O UT3 - M ICO U T4 - N C

5 - BU S Y6 - N C

7 - N C8 - S IG O U T9 - O PT 110 - O P T211 - O P T312 - G N D13 - O P V 314 - O P V 215 - O P V 1

J4 (To Optional Un it)

2 - SP G N D1 - SP

E P1 2

W 6

V C C

G N D

IC 5M P 8

W 8

C 95

E P2 E P2

C 99

C 98

+

C 33 7

E P2

C 96C 28 5

C 94

W 2

A N TE N N A JA C K

UHF (7640) MAIN BOARD TOP VIEW

8-9November 1998

Part No. 001-7600-001 UHF (7640) MAIN BOARD SCHEMATIC

56789

10

15141312

OPT2OPT1

AUXMIC IN

SIG OUT

OPV1OPV2OPV3

BUSY

MIC OUTPTT OUT

PTT IN

321

4

11OPT3GND

16

J4

1718192021222324252627282930

SCKSISOOPINTOPCS

AF OUTDETRXMUT

AF ONMIMUTHV5VGND

TO OPTION UT-96UT-105

NC

NC

BEEPO

W6

DCCABLE

EP3

EP3GND

VCC

C84

47

0

D16

D

SA

3A1

C83

0.

1

C82

0.

01D

28R

D20

E

R59

10k

Q142SJ377

R60

470

Q11DTC114EU

C77

0.00

1C

7510

O IG

IC2 TA7808F

C74

220

C73

0.1

HV

C80

0.1

C78

10

1 2 3

6 5 4

Q12 2SB1132

R584.7k

Q13XP6501

C81

0.1

I

IC3 AN78L05M

OG

W8

C79

10

CPU5V

PW

ON

R112330k

R11

310

0k

VIN

R56

4.7k

R57

4.7

k

Q10 2SD1664

D151SS302

C70

4

7P

C71

10

Q15DTC114EU

C72 1

R54

4.7kR55

4.7

k

Q82SD1664

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C67

47P

C68

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4.7

TX

CT

MU

T

D13DAN202U

I O

O I

FI2 CFWM450E

FI3 CFWM450G D12DAN202U

R52

22k

R51

12k

R50

22k

R53 15k

T8V

R8V5V

Q7DTA144EU

NW

C

R49

15k

C65

0.01

C66 0.01

12

45678

3

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161514131211109

MIXINGND

N-RECN-DET

RSSIIFOUTQUAD

AFOUT

IC1TA31136FN

C640.1

R48

1.5

k

R42

100k

C63

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C61

270p

C62270p

R44 820

R45 330k

R41

470

C590.001

C60 0.01

NO

ISS

D R38

47

kR

39

47k

C55

0.

001

C56

0.0

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R37

1.2k

C54

0.00

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Q52SC4081

C52 100p

R47

47

C57

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C58

0.00

1 X1CDBCA450CX24

R402.2k

C51100p

Q42SC4215

L15

0.18

µH

R32

100

C50

68p

C30

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C48

0.00

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3433

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301

4p

FI1 FL-287

C30

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C47

12p

R33330

C460.001

L14

56nH

L13

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C49

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68p

C44

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R3122

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R25

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k

C226p( L )5p( ML,H )4p( MH )

R15

47k

L12

39nH

C42

3p

R27

270

R2818

R29

270

R25

100k

C34

7p(

L )

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R11

220k

C30

947

p

C19

0.00

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T1

D7

HV

U35

0

C232p ( L )1.5p(ML/MH)

L7 15nH

C371p ( L )0.3p(Other)

C360.5p

R2410k

C31

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p

C40

47p

T4

D10

HV

U35

0

R23

220k

C39

7p(

L )

6p(

ML

)5p

(Oth

er)

L10

15nH

L9 4.7*

H

R20

2.2k

C3347p

C32

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H )

1.5p

( M

L )

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C34

80.

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Q32SK241

R30

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C43

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C29

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C31

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C31

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47p

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220k

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281.

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C31

347

p

C25

C24

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L )

0.5p

(Oth

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C41 1p

R13220k

C31

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p

C27

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D8

HV

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6p(

ML

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R10

4.7k

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Q1DTA144EU

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T

C31

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L5Y655LY-03K=P3

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L6LW-25

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C1347p

C12

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C10

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L2

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R5 100R2 1

D1MA713

R6

100

R3

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R7 47

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CPU5V

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R110NTCCF20124AH(47k)

R11

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C13

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R104 22k

C131 470p

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R10

522

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R10

322

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12k

C1290.047

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C1280.047

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IC6cNJM2902M

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C1270.047

C1260.047

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IC6dNJM2902M

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R94 1.5k

R96

91k

C307 4.7

R270 1M

Q42DTC144EU

TX

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R97

47k

R98

47k

AFHPF

Q222SC4081

C34

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)

R117 1

R116 6.8k R115 6.8k

C14

210

p( L

)6p

( M

L )

5p (

MH

)3p

( H

)

C1398p( L )6p( ML )4p( MH/H )

R125 10

L23MC152-E558ANA-100051=P3

C14118p( L )15p( ML/MH )12p( H )

R27

51k

D34

HV

U35

0D

20H

VU

350

L220.56µH

R11410

C1485p(L,MH)4p(ML/H)

C14

9

R27

41k

D33

HV

U35

0D

22H

VU

350

L250.18µH

R12147

L26MC152-E558ANA-100051=P3(L,ML)MC152-E558ANA-100050(MH, -H )

C15010p( L )8p ( ML )15p( MH )4p ( H )

R276C1471p

R12

010

0k

D211T365

R12

210

k

C13

80.

001

C18

84.

7

C13

747

0p

C29

30.

001

R26

012

k (M

H o

nly)

8.2k

(Oth

er)

+-

SP1 P1

CHASSIS

J2

SP JACK

C19

70.

001

G

AF

O

C19

60.

001

R17

2 10

k

R17

3 10

k

C195470

C19

422

0

1

4

23

IC9LA4425A

R25

510

kC

281

0.1

AF

O

H

C2910.1

C29

20.

047

R25

9 22

k

C1930.1

R1691k

Q32DTC144EU

D32

MA

111

Q41DTC363EK

R17

06.

8k

AF

ON

BE

EP

4

3

21

5

R16

510

k

C1900.1

R16

710

0R168 100k

C3220.22

R16

610

k

C191 0.012

D29DAN202U

AF

AT

T

R16

047

kC

187

0.1

R26

110

0k

R16

447

kC

189

0.1

R16

310

k

123

8

IC4aNJM2904M

IC8aNJM2904M

C34

90.

22

R15

656

kR

155

10k

R157 1.2M

C184 22p

R26

410

kR15

815

k

R25

8 4

7k C1850.1

C1860.1

8V5VVCC

R15

933

k

MIC

IN

MIC

OU

T

AR26510k

Q46DTA144EU R

153

10k

C33

447

p

765

IC8bNJM2904M

4

8

C18

00.

0039

R15

25.

6k

R26

610

k

R15

010

0C28

222

C3190.1( )0.0047( )

R27

982

k(

onl

y)

R162470k

C17

90.

1 R161470k 7

65

+-

R148100k

R14

710

k

R14682k

R14422k

R14575k

C1740.1

C1750.1

C1762.2

R14110k

R26

810

k

R26939k

R14210k

TO

NE

DT

CS

C33547p

C32

310

p

W13W16 W15 W14

C17312p

L32

0.56

µH

C17

05p

C1714p

C17

2 5

p

L33

0.56

µH

C16912p

R12

74.

7k

13579

111315171921232527293133353739

246810121416182022242628303234363840

5VAFOSIOPT3OPT2OPT1OPV3OPV2OPV1PTTPTTINDETPWONEXPTTDIMINSOSCKSDLVINGND

8VCPU5V

GNDOPINTOPCSBUSY

BEEPOUTTONEBEEP

DTCSINRFATT

NOISUNLKEXENEXSTDASTPLST

VINTEMP

MIC

R23

5

1k

R22

6

1kR

234

1

kR

225

1

kR

233

1

kR

224

1

kR

232

1

kR

223

1

kR

231

1k

R22

2

1k

R23

0

1k

R22

1

1k

R22

9

1k

R22

0

1k

C28

4

47p

C27

9

47p

C26

9

47p

C27

8

47p

C25

2

47p

C24

3

47p

C25

3

47p

C24

4

47p

C25

4

47p

C24

5

47p

C25

5

47p

C24

6

47p

C25

6

47p

C24

7

47p

C25

7

47p

C24

8

47p

C25

8

47p

C24

9

47p

R25

2

1k

R23

6

1k

R24

0 1

k

R24

5

1k

R24

9 1

k

R23

7

1k

R24

1 1

k

R24

6

1k

R25

0 1

k

R23

8

1k

R24

2 1

k

R24

7

1k

R25

1 1

k

R23

9

1k

R24

3

1k

C27

0 4

7p

C26

8

47p

C27

7

47p

C26

7

47p

C27

6

47p

C26

6

47p

C27

5 4

7pC

265

4

7pC

274

4

7pC

264

4

7pC

273

4

7pC

263

4

7pC

272

4

7pC

262

4

7pC

271

4

7p

OP

INT

OP

CS

BU

SY

BE

EP

OT

ON

EB

EE

PD

TC

SR

FA

TT

NO

ISU

NLK

EX

EN

EX

ST

DA

ST

PLS

TV

INT

EM

P

R22

8 1

kC

259

4

7pR

219

1

kC

250

4

7p

R21

8

1M

C26

0

47p

C25

1

47p

C26

1

47p

R24

8

1k

LVIN SD

SC

KS

OD

IMIN

EX

PT

TP

WO

ND

ET

PT

TIN

PT

TO

UT

OP

V1

OP

V2

OP

V3

OP

T1

OP

T2

OP

T3 SI

AF

O

IC12M62363FP-650C

VIN11234567

12

24232221201918

13

EXSTSOSCKTXCTMUT

EXEN

R20

610

0k

C2320.01

NWCAFHPFAFATT

HORNOR22

7

1k

R21

3

100k

R21

4

100k

R21

5

100k

R21

6

1MR

217

1M

C

C24

147

p

C24

247

p

C24

00.

001

C23

90.

001

D25 MA111MMRM

D24DAN202U

Q37DTC144EU

R20

510

k

R204 10k

RM

UT

IC13BU4094BCF

STRBDATACLKQ1Q2Q3Q4VSS

VDDOENA

Q5Q6Q7Q8

Q,SQS

12345678

161514131211109

VOUT1VOUT2VIN2VDDLDCLKDIVIN3VOUT3VOUT4VIN4

VIN6VOUT8VOUT7

VIN7GND

RESETVDAREF

D0VIN6

VOUT6VOUT5

VIN5

8 179 16

10 1511 14

C32

8

4

7pC

231

0.0

01

C32

6

4

7pC

327

47p

C32

5

4

7pC

227

0.0

1C

228

0.0

01C

229

0.0

01C

230

0.0

01

T1T2

DASTSCKSO

T3T4

R19

947

0

DT

CS

141312111098

VDDCONT ACONT D

I/OO/IO/II/O

1234567

I/OO/IO/II/OCONT BCONT CVEE

IC11BU4066BCF

TX

C

R19

810

k

Q36DTC144EU

RM

UT

C33

347

p

C22

50.

01

+- 1

823

4

R194180k

C223 12p

C32

147

p

C2210.0027

R195220k

Q352SC4081

C33

247

p

NW

C

R27

810

k

R15

410

0

C1830.1

R25

447

0k

C30

647

p

R19

347

0k

R14

31k

E

FD

C22

218

p

C17

70.

001

C17

847

p

HV

5V

R20

910

0k

C23810

R21

21M

R21

01M

D27MA111

R211100k

VCONGND

X2CR-601

VCCOUT

12

43

R26

727

0k

R18

610

0k

C20

610

C21

24.

7

R16

210

C21

10.

1

C21

58p

R1842.7k

C21

48p

C2080.0047

C20

90.

001

C21

02.

2

L3418nH

R19

156

C2130.001

20 19 18 17 16 15 14 13 12 11

GN

D1

IN2

VC

C2

XB XI

XO

GN

D2

CP

2F

I2F

O2

1 2 3 4 5 6 7 8 9 10

VC

C1

IN1

EN

BC

LKD

AT

AT

1LO

KC

P1

FI1

FO

1

IC10µPD3140GS

C31

810

p

C20

50.

001

C19

810

R17

810

0k

C216 22pR188 1kR189 1kR190 1k

PLSTSCKSOUNLK

R187 1kC217 22pC218 22pC219 0.001

C20

747

0p

C31

647

p

C29

947

p LVIN

R18

510

0 R17768k

CP1

C20

00.

001

Q332SK880

Q402SJ144

C19

90.

001

R17

510

k

R17

61M

R1811k C

204

0.47

Q342SK536

C2030.47

R1791k

R18010k

C20

10.

1

C2020.022

R17

447

0

J6HVGND

HORNGNDAFOGNDDISCGNDINGNDPTT

J5HVDIM

C23

30.

001

C23

5

0

.001

AFO

C28

9

0

.001

C28

8

0

.001

C28

7

4

7pC

234

0.0

01

DIMIN

HORNO

Q38DTC144EU

Q39DTC144EU

R2071k

C2371

EXPTT

DET

R25747

R20810k C236 0.1

IC4b

W10

W12

W11

SIGOUT

+-

+-

+-

+-

C76

0.1

11

R19 10

R17 100k

C300.001

C31747p

R16 47k

Q16DTC144EU

C28

347

0p

IC6bNJM2904M

8V

AFREF

R95

47K

C33047P

R151

180k( )220k( )

J3

to Front unit J2

ThroughW3 of front unit

C2260.01

C33

147

0P

R35120K

FI1

b

FI1

a

TX:0VRX:6.6V

C94 6p( -ML) 4p( -MH) 3p( L, -ML) 5p( -MH) 1p( -H)

C145P( )4P( -L,ML)P ( -MH)

C9

C2

C1

7p(L/ML)6p( -MH/H)5p( -MH)

CHASSIS

( only)

R27

7

470

( -L/ML/MH only)

P

6p( / -H)7p( -L,M)

22( -H only)33(Other )39( -L only)27(Other )

( only) R68

2.2k

T4

3.3k( -ML only)3.9k(Other )2.7k( -ML only)3.3k(Other )

10( )47( )

1p(MH only)3.5p(H only)

( only)

0.00

1(

o

nly)

8V

Wide:oVNarrow:4.8V

IC7aNJM2904M

toDC FAN

toOptionalOPC-617

J1

PL

PL

C38

2.5µ( )1.5p(ML/MH)0.5p(H)

L

2.5p(H only)4p(Other)

0.75

p(H

onl

y)1p

(Oth

er)

PLL

2P( -H only)8p(Other)

Y655LY-02M=P3( -H only)Y655-03K(Other)

L

L3p( -LML)4p( -MH, -ML/MH)6p( -L)5p( -H)

PPLL

L

LL

PPL

P L

LP

LP

PL

LA382( -H only)LA232(Other)

LLA-382( -H only)LA-232(Other)

L

SC-1322( -L)SC-1323(Other )SC-1236( -L)SC-1237( -ML)SC-1325( -MH)SC-1326( -H)

PP

LLLL

P

LP

L

8p( -MH,other )7p(Other , -H)

P LP L

PP

LL

L PP

39( -L only)27( -H only)33(Other)

PL

7p( )8p( -H)10p(Other)

LP

7p( )5p( -H)6p(Other )

PL

L

L

18nH

(

-H

o

nly)

22nH

(Oth

er)

L

L

L

100( )10 ( )

PL

LL

LP

R11

9

Note -L :PMR L-band -L :LMR L-bandP L

LP -ML:PMR ML-band -ML:LMR ML-band -ML:PMR MH-band -MH:LMR MH-bandLP -H :LMR H-bandL

LP

L

L

L

L

L

LL

NOTE: All 7640 Models are the LMR (U.S.A.) type.

7.9V

13.6V

4.5V

5.0V

TX:7.9VRX:0V

TX:8.5VRX:0V

TX:0VRX:7.9V

TX:0VRX:8.5V

TX:4.7VRX:0V13.6V

3.4V

2.4V

2.4V

5.0V

6.7V13.6V

1.1V

3.9V7.8V

3.9V

3.9V

MEASUREMENT CONDITIONSDIGITAL MULTIMETERINTERNAL RESISTANCE:50kΩ/VIC-F420(LMR):f=460.1MHz,TX POWER=35WIC-F410(PMR):f=455.1MHz,TX POWER=25WVOLTAGES INDICATED WITH(*)MARK ARECHANGED WITH THE FREGUENCY AND POWER.

1.8V1.8V

Wide:5.1VNarrow:0V

WIDE:0VNAR:4.9V

5.0V

Wide:0.6VNarrow:0V

TX:0VRX:0.7V

TX:0VRX:7.3V

0VRX:APPROX.+3VdBm

0V

TX:0VRX:7.9V

RX:2.3VRX:2.2V

TX:0VRX:0.9V

TX:0VRX:7.7V

0V

TX:0VRX:2.5V

RX:2.3V

TX:0.7VRX:0V

(*)TX:3.2V RX:2.8V

(*)TX:11.5V RX:13.3V

(*)TX:2.1V RX:0V

(*)TX:2.8V RX:2.7V

(*)TX:0V RX:2.9V

(*)TX:2.9V RX:0V

6.8V

6.8V

0.7V 0.7V

2.8V

2.5V

6.7V

7.9V

(*)TX:9.1V RX:0V

TX:8.9VRX:0V

TX:7.4VRX:0V

TX:1.7VRX:0V

TX:2.3VRX:0V

TX:7.6VRX:0VTX:Approx.

+7dBm

2.1V

7.6V

(*)TX:3.3V RX:3.2V

(*)TX:2.8V RX:2.7V

1.0V

1.9V

0.34Vp-p

2.5V

0V 5.0V

5.0V

2.4V

2.2V

WIDE:0VNAR:0.6V

5.1V

0V0V

TX:4.7VRX:0V

TX:0VRX:5.1V

RX MUTE:0V

4.9V

5.1V

RX MUTE:5.1V

2.0V

2.0V2.0V

TX:2.0VRX:5.0V

TX:2.0VRX:3.8V

2.4V

2.4V

2.4V

2.4V2.4V

2.4V

2.4V2.4V

2.4V

2.4V

TX:0VRX:7.8V

TX:4.7VRX:0V

DTMF3.5Vp-p

5 TONE3.2Vp-p

CTCSS0.7Vp-p

15.3MHz

3.1V

TX:0VRX:0.7V

RX:2.9V

2.4V

5.1V

3.4V

6.4v

DTCS0.85Vp-p

(PMR only)

(LMR only)

8-10November 1998Part No. 001-7600-001

P2 P3P1P0

V-DN

V-UP

DN

UP

DS

4

DS

3

DS

2

DS

5

DS

7

DS

6

DS8

PWRDS9DS1

DS10

J1

DS1

1

2

R60

1

2

7

8

J1 (To Microphone)

1 -

8V3

- A

FO

5 -

MIC

E7

- G

ND

2 -

Clo

ne4

- P

TT

5 -

MIC

7 -

Han

ger

R51

R52

C1

R61 C16

C73C11

R53

R5C18

C19 R7

R8C13

R63

C21

C79

R64

R62 C

14

C20

R6

R43

C17

C3

C2

R2

C67

C65 C

66

C80

C62

C61

C60

C54 R71

R3

R65

R66

C77

C78

C72

C55

C53

R54

R67

C50

C49

R70

C64

C63

R19

C57

C52

C44

C22

C24

C56

C23

C59

C48

C25

C47

C6

R16

C7

C8

R12

C4

R18

R33

R34

R32

R35

R36

C40

C41

C42

R37

C5

R38

R56

C43

C71

C46

C70

C10

W2

R11

C36

R28

R25

R24

R27

R26

C38

R30

C39

R29

R31

R40

R39

R68

R58

C45

R42

R49

R41

C29

R20

R50

C82

C33

C30

R69

R57

C34

C32

R21

R22

C35

C58

C69

C27

C26

R59

C28

R55

R15

R4

C15

R1

R14

C12

W1

L3

IC3

IC2

D1X1

IC1

R45

R44

R48

R46

R17

++

+ +

C9

C14Q

1

R47

++

C37

L1

Q4

D2

D3

D4

Q7

Q10

Q5

100

1

25

26 50

51

75

76

D5

J2

Q3

D6

Q6

1

2

39

40

J2 (To Main Unit)

40 - 8V38 - C

PU

5V36 - G

ND

34 - OP

INT

32 - OP

CS

30 - BU

SY

28 - BE

EP

OU

T26 - T

ON

E24 - B

EE

P22 - D

TC

S20 - R

FA

TT

18 - NO

IS16 - U

NLK

14 - EX

EN

12 - EX

ST

10 - DA

ST

8 - PLS

T6 - V

IN4 - T

EM

P2 - M

IC

39 - 5V37 - A

FO

35 - SI

33 - OP

T3

31 - OP

T2

29 - OP

T1

27 - OP

V3

25 - OP

V2

23 - OV

P1

21 - PT

T19 - P

TT

IN17 - D

ET

15 - PW

ON

13 - EX

PT

T11 - D

IMIN

9 - SO

7 - SC

K5 - S

O3 - LV

IN1 - G

ND

VHF/UHF FRONT UNIT BOARD TOP VIEW

VHF/UHF FRONT UNIT BOARD BOTTOM VIEW

8-11November 1998

Part No. 001-7600-001

LIGHT ON :7.5VLIGHT OFF:5.5V

5.0V

5.0V

4.9V

3.9V

1.7V

5.0V

7.6V

5.0V

MEASUREMENT CONDITIONSDIGITAL MULTIMETER:50kΩ/VDCOSCILLOSCOPE :20MHz

3.2V

2.3V

1.4V

6.8MHz

4.2V

2.3V

0.4V

DTCS

0.7V

CTCSS

2.35V

4.0V

0mV

-70mV

70mV27.5mVBEEP IS SET

-27.5mV

0mV

3.3V

0.5V

1.9V

TX:5.0VRX:0.2V

5.0V

1 2 3 4 5 6 7 8 910 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

26272829303132333435363738394041424344454647484950

51525354555657585960616263646566676869707172737475

767778798081828384858687888990919293949596979899

100

VCCPDO/SEG41PD1/SEG42PD2/SEG43PD3/SEG44PD4/SEG45PD5/SEG46PD6/SEG47PD7/SEG48PE0/SEG49/MPE1/SEG50/D0PE2/SEG51/CL2PE3/SEG52/CL1AVCCTONEMTONEDVTREFAVREFPB7/AN7PB6/AN6PB5/AN5PB4/AN4PB3/AN3PB2/AN2PB1/AN1

PB

0/A

N0

AV

SS

TE

ST

X2

X1

VS

SO

SC

1O

SC

2R

ES

NM

IP

20/IR

Q4/

AO

TR

GP

21/S

CK

1P

22/S

I1P

23/S

O1

P24

/SC

K3

P25

/RX

DP

26/T

XD

P27

/IRQ

0P

17/IR

Q3/

TM

IFP

16/IR

Q2

P15

/IRQ

1P

14P

13/T

MIG

P12

/TM

OF

HP

11/T

MO

FL

P10/TMOWVSS

V3V2V1

VCCPA3/COM4PA2/COM3PA1/COM2PA0/COM1

P50/WKP0/SEG1P51/WKP1/SEG2P52/WKP2/SEG3P53/WKP3/SEG4P54/WKP4/SEG5P55/WKP5/SEG6P56/WKP6/SEG7P57/WKP7/SEG8

P60/SEG9P61/SEG10P62/SEG11P63/SEG12P64/SEG13P65/SEG14P66/SEG15

P67

/SE

G16

P70

/SE

G17

P71

/SE

G18

P72

/SE

G19

P73

/SE

G20

P74

/SE

G21

P75

/SE

G22

P76

/SE

G23

P77

/SE

G24

P80

/SE

G25

P81

/SE

G26

P82

/SE

G27

P83

/SE

G28

P84

/SE

G29

P85

/SE

G30

P86

/SE

G31

P87

/SE

G32

P90

/SE

G33

P91

/SE

G34

P92

/SE

G35

P93

/SE

G36

P94

/SE

G37

P95

/SE

G38

P96

/SE

G39

P97

/SE

G40

IC1HD6433875A63H

SE

G20

SE

G19

SE

G18

SE

G17

SE

G16

SE

G15

SE

G14

SE

G13

SE

G12

SE

G11

SE

G10

SE

G9

SE

G8

SE

G7

SE

G6

SE

G5

SE

G4

SE

G3

SE

G2

SE

G1

HA

NG

CT

DA

2C

TD

A1

CT

DA

0B

M

SEG21SEG22SEG23SEG24SEG25SEG26SEG27SEG28SEG29SEG30SEG31SEG32

R47EXB-V8V(1kX4)

R53 1kR52 1kR51 1k

C11

0.00

1

C10

0.01C9

10

C8

0.01

C7

0.01

C6

0.01

C5

0.01

C4

0.01

C3

0.01

C2

0.01

C1

0.01

VS

SV

DD

OU

T

NC

NC

3 2 1

4 5

IC2S-80742SL-A6

R2

100k

R1

10k

C140.47

D1

MA

111

R3

220k

R4100k

Q12SC4081

C15

0.00

1

C16

0.00

1

R5

12k

R6

12k

D5

MA

77

C17

0.00

1

C1847p

C19

5p

X1CR-590

L347µ

C20

20p

R71M

R810

R4312k

R44EXB-V8V(1kx4)

R45EXB-V8V(1kx4)

W1

CSSOWPVSS

VCCHOLD

SCKSI

IC325LC160T-I/SN

C21

0.01

1234 5

678

R61

100

k

SC

KS

IS

O

CLI

NC

LOU

TP

OS

W

R64

1k

R63

1k

R62

1k

R55100k

KR0KR1KR2KR3KS0KS1

DIM

R67

100k

R66

100k

R65

100k

R54 1k

R48EXB-V8V(1kx4)

R46EXB-V8V(1kx4)

MTONEDTMF

OPV3OPV2OPV1CTCINSDLVINTEMPVIN

KR0KR1KR2KR3

R17EXB-V8V(1kx4)

KS0

KS1

R19470

R18470

R591k

C28

0.00

1

S6

C22

47p

C23

47p

C24

47p

C25

47p

C26

47p

C27

47p

DIM

D6MA8051

Q3DTA143ZUR

1182

0

1

R16

2.2k

R15

2.2kR14

390

R12

390

DS

10D

S11

DS

2D

S3

DS

4

DS

6D

S7

DS

5

DS

8D

S9

8VCLONEAFOPTTMICEMICGNDHANGER

R57

15k

CLO

UT

CLI

N

R69 100k

Q4DTC144TU

D2DA204U

D3DA204U

D4DA204U

R5847k

2

CLONAFO

PTTIN

MIC

HANGR20 1k

L1 1µ

R211k

R2210

C35

0.00

1

C34

47p

C32

0.00

1

C33

0.00

1

C29

0.00

1

C30

470p

CT

CIN

toMIC

C36

0.01 R25

56k

R28

1k

1

2

3 4

Q5XP4601

5

6R2739k

C3710R

2418

0k

R26

3.9k R29

1kC

380.

022

R3010k

C39

0.1

R3110k

DE

T

CTDA0

CTDA1

CTDA2

R3510k

R3427k

R3368k

R32

22k

R3612k

C42

0.1

R3712k

C40

0.04

7

C41

0.03

3

C43

0.01 R38

47k

Q62SC4081

C44

0.01

R565.6k

R39100k

R40100k

R42

330k

R41

270k

DT

CS

IN

C45

0.01

TO

NE

Q72SC4081

C820.1

R50100k

R68

47k R60

RV-150(10KB)

Q10DTC144TU

J2

C62

47p

C61

47p

C60

47p

C59

47p

C58

47p

C57

47p

C56

47p

C52

47p

R70

47k

C50

47p

C49

47p

C48

47p

C47

47p

C46

47p

C69

0.00

1

C67

0.00

1W2

C13

0.00

1

C12

0.01

C63

47p

C64

47p

C65

47p

C66

47p

C70

47p

C71

47p

C73

47p

C74

47p

C77

47p

C78

47p

C79

47p

C80

47p

OPINTOPCSBUSYBEEPOUTTONEBEEPDICSINRFATTNOISUNLKEXENEXSTDASTPLSTVINTEMPMIC

CPU5V8V

AFOSI

OPT3OPT2OPT1OPV3OPV2OPV1

PTTPTTIN

DETPWONEXPTTDIMIN

SOSCK

SDLVIN

1234567891011121314151617181920212223242526272829303132333435

SEG1SEG2SEG3SEG4SEG5SEG6SEG7SEG8SEG9

SEG10SEG11SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23SEG24SEG25

DS1LD-HU10140J

SEG26SEG27SEG28SEG29SEG30SEG31SEG32COM0COM1COM2

SEG1SEG2SEG3SEG4SEG5SEG6SEG7SEG8SEG9

SEG10SEG11SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23SEG24SEG25SEG26SEG27SEG28SEG29SEG30SEG31SEG32COM1COM2COM3

FRONT UNIT

J1

POSW

DS2 ~ DS11SML-311YTx10

BM

5V

toMAIN UNITJ1CONNECTWITH W3

EXENEXSTDASTPLST

DIMINEXPTTPWONUNLKCOM1COM2COM3

RFATT

PTTOPT1OPT2OPT3

OPCSBUSY

OPINTNOIS

R49

100

CSHIFT

5V

2468

10121416182022242628303234363840

13579

111315171921232527293133353739

BEEPOUTBEEP

5VDT

MF

MT

ON

E

AF

OM

ICH

AN

GP

TT

IN

HA

NG

PWR

S1

P0

S2 S3 S4

∆

S5

∆∆ ∆

S9

P3

S8

P2

S7

P1

VHF/UHF FRONT UNIT SCHEMATIC

8-12November 1998Part No. 001-7600-001

2SB1132 R(Symbol: BARB)

2SB1143 S 2SC4081 R(Symbol: BR)

2SC4215 O(Symbol: QO)

2SC4703 SE(Symbol: SE)

• TRANSISTORS AND FET'S

2SC5107 O(Symbol: MF)

2SC5110 O(Symbol: MGO)

2SD1664 Q(Symbol: DA)

2SJ144 GR (Symbol: VG)

2SJ377(Symbol: 4L)

2SK241 R (TX) 2SK272(Symbol: K)

2SK536(Symbol: BJ)

2SK880 GR(Symbol: XG)

DTA143ZU(Symbol: 113)

DTA144EU(Symbol: 16)

DTC114EU(Symbol: 24)

DTC144EU(Symbol: 26)

DTC144TU(Symbol: 06)

DTC363EK(Symbol: H27)

XP4601(Symbol: 5C)

XP6501(Symbol: 5N)

E C B

D

S

G

S

D

G

S

D

G

S

D

GS

G

D

D

S

G2

G1

D

S

G2

G1

1SS302(Symbol: C3)

• DIODES

1SS352(Symbol: C1)

1T365(Symbol: pink line)N)

DA221(Symbol: K)

DAN202U(Symbol: N)

DAN204U(Symbol: K)

MA713(Symbol: MIN)

HVU350(Symbol: 4)

MA77(Symbol: 4B)

MA111(Symbol: 1B)

MA8051 M (TX)(Symbol: 5-1)

UHF (7640) Transistor Basing Diagrams UHF (7640) Diode Basing Diagrams

Documents

7600 VHF/UHF Service Manual