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Service Manual Model DIGITAL MULTITRACKER

Service Manual Model - VF-16

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Page 1: Service Manual Model - VF-16

Service Manual

Model

DIGITAL MULTITRACKER

Page 2: Service Manual Model - VF-16

SAFETY INSTRUCTIONSRead instructions - All the safety and operating instruc-tions should be read before the appliance is operated.Retain instructions - The safety and operating instructionsshould be retained for future reference.Heed warnings - All warnings on the appliance and in theoperating instructions should be adhered to.Follow instructions - All operating and use instructionsshould be followed.Water and Moisture - The appliance should not be usednear water - for example, near a bathtub, washbowl,kitchen sink, laundry tub, in a wet basement, or near aswimming pool, and the like.Carts and Stands - The appliance should be used onlywith a cart or stand that is recommended by the manufac-turer.

An appliance and cart combination should be moved withcare. Quick stops, excessive force, and uneven surfacesmay cause the appliance and cart combination to over-turn.Wall or Ceiling Mounting - The appliance should bemounted to a wall or ceiling only as recommended by themanufacturer.Ventilation - The appliance should be situated so that itslocation or position does not interfere with its proper ven-tilation. For example, the appliance should not be situ-ated on a bed, sofa, rug, or similar surface that may blockthe ventilation openings; or, placed in a built-in installa-tion, such as a bookcase or cabinet that may impede theflow of air through the ventilation openings.

Heat - The appliance should be situated away from heatsources such as radiators, heat registers, stoves, or otherappliances (including amplifiers) that produce heat.Power Sources - The appliance should be connected to apower supply only of the type described in the operatinginstructions or as marked on the appliance.Grounding or Polarization - The precautions that shouldbe taken so that the grounding or polarization means ofan appliance is not defeated.Power Cord Protection - Power supply cords should berouted so that they are not likely to be walked on orpinched by items placed upon or against them, payingparticular attention to cords at plugs, convenience recep-tacles, and the point where they exit from the appliance.Cleaning - The appliance should be cleaned only as rec-ommended by the manufacturer.Nonuse Periods - The power cord of the appliance shouldbe unplugged from the outlet when left unused for a longperiod of time.Object and Liquid Entry - Care should be taken so thatobjects do not fall and liquids are not spilled into the en-closure through openings.Damage requiring Service - The appliance should be ser-viced by qualified service personnel when:A.

B.

C.D.

E.

Servicing - The user should not attempt to service the ap-pliance beyond that described in the operating instruc-tions. All other servicing should be referred to qualifiedservice personnel.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

CAUTIONRISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.

TO PREVENT ELECTRIC SHOCK, MATCH

WIDE BLADE OF PLUG TO WIDE SLOT,

FULLY INSERT.

POUR ÉVITER LES CHOCS ÉLECTRIQUES,

INTRODUIRE LA LAME LA PLUS LARGE DE

LA FICHE DANS LA BORNE CORRE-

SPONDANTE DE LA PRISE ET POUSSER

JUSQU' AU FOND.

CAUTION:

ATTENTION:

The exclamation point within an equilateraltriangle is intended to alert the user to thepresence of important operating and mainte-nance (servicing) instructions in the literatureaccompanying the appliance.

The lightening flash with arrowhead symbol,within an equilateral triangle, is intended toalert the user to the presence of uninsulated“dangerous voltage” within the product's en-closure that may be of sufficient magnitude toconstitute a risk of electric shock to persons.

“WARNING”“TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOIS-TURE.”

1.

2.

3.

4.

5.

6.

7.

8.

The power supply cord or the plug has been damaged;orObjects have fallen, or liquid has been spilled into theappliance; orThe appliance has been exposed to rain; orThe appliance does not appear to operate normally orexhibits a marked changed in performance; orThe appliance has been dropped, or the enclosuredamaged.

9.

10.

11.

12.

13.

14.

15.

16.

17.

Page 3: Service Manual Model - VF-16

3

VF-16

TABLE OF CONTENTS

!

1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. CONTROLS, INDICATORS & CONNECTORS . . . . . . . . . . . . . . .

3. SOFTWARE UPDATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4. SERVICE MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5. ERROR CODE LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6. EXPLODED VIEW, PCB ASSEMBLY & PARTS LIST . . . . . . . . . .

7. CIRCUIT & BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . .

4

6

8

9

19

20

34

NOTES* Service mode, exploded view, PCB assembly, parts list and circuit diagrams are given in this manual

to assist the service technician in maintaining the Model VF-16.

* Following accessories are supplied with VF-16 as the standard accessories.

VF-16 English owner's manual : 8288451100

VF-16 Japanese owner's manual : 8288452100

* Following is the packing material for the Model VF-16.

Carton, inner, VF-16 : 8228735000

Carton, outer, VF-16 : 8228913000

Packing, side, L, VF-16 : 8228463000

Packing, side, R, VF-16 : 8228464000

CAUTIONParts marked with this sign are safety critical components. They must always be replaced with identical

components. Refer to the Fostex Parts List and ensure exact replacement.

Page 4: Service Manual Model - VF-16

4

VF-16

1. SPECIFICATIONSDEFINITION

Specification Unit 0 dBV = 1 Vrms

Standard ConditionMeasure the specifications referring to the chart below.

* Fader position & PAN assignment in each setting.

SPECIFICATIONSStandard Input

Input A ~ FConnector PHONE, unbalancedInput level -50 ~ +2 dBV

Impedance 50 kΩ or more

Input G, HConnector PHONE, unbalanced / XLR, balanced (Pin-2: HOT)

Input level -50 ~ +2 dBV

Impedance 50 kΩ or more (PHONE), 1 kΩ or more (XLR)Insert 1, 2

Connector Stereo PHONE (ring)

Input level -10 dBVImpedance 10 kΩ or more

DATA INConnector Square shape opticalFormat IEC consumer Optical Standard EN60958 (S/P DIF)

Alesis Proprietary Mutichannel Optical Digital Interface

PEAK LED On Level (INPUT A ~ H) Full scale level - 2 dB ± 1 dBStandard Output

STEREO OUTConnector RCA pin, unbalancedOutput level -10 dBV

Impedance 10 kΩ or more

MONITOR OUTConnector PHONE, unbalanced

Output level -10 dBV

Impedance 10 kΩ or morePHONES OUT

Connector Stereo PHONE, unbalanced

Output level 20 mW or more (16 Ω load)Impedance 16 ~ 50 Ω

AUX SEND 1Connector Stereo PHONE (tip), unbalancedOutput level -10 dBV

Impedance 10 kΩ or more

AUX SEND 2Connector Stereo PHONE (ring), unbalanced

Output level -10 dBV

Impedance 10 kΩ or moreINSERT 1, 2

Connector Stereo PHONE (tip), unbalanced

Output level -10 dBVImpedance 10 kΩ or more

Level PAN Level PAN Level Balance 1 2 1 2SETTING 1 80 L 80 R 80 C 80 80 0 0 POST -SETTING 2 80 L 80 L 80 C 80 80 0 0 POST -

Eff SendPRE/POST Effect

Odd CH. Even CH. Master AUX

Page 5: Service Manual Model - VF-16

5

VF-16

Phantom powerConnector XLR

Output level 48 ± 4 V (ON/OFF by SETUP mode)

Impedance 10 kΩ or moreDATA OUT

Connector Square shape optical

Format IEC consumer Optical Standard EN60958 (S/P DIF)Alesis Proprietary Mutichannel Optical Digital Interface

Control System Input & OutputSCSI DATA

Connector Half pitch 50-pin female

Protocol SCSI-2, unbalanced transfer method

Transfer type AsynchronousNumber of units connected 1

MIDI IN/OUTConnector DIN 5-pinFormat MIDI standard

PUNCH IN/OUTConnector PHONE (TTL level)

Output Level (SETTING 1)INPUT (+2 dBV, 1 kHz)→ STEREO OUT -10 dBV ± 2 dB

INPUT (-50 dBV, 1 kHz)→ STEREO OUT -10 dBV ± 2 dBINPUT (+2 dBV, 1 kHz)→ AUX SEND 1, 2 -10 dBV ± 2 dB

Frequency Response (SETTING 1)INPUT (+2 dBV, 20 ~ 20 kHz)→ MONITOR OUT +1, -2 dBINPUT (-50 dBV, 20 ~ 20 kHz)→ MONITOR OUT +1, -3 dB

INPUT (+2 dBV, 20 ~ 20 kHz)→ AUX SEND 1, 2 +1, -2 dBEQ Characteristics (SETTING 1)

HI (Frequency: 500 ~ 20 kHz, Q: 0.1 ~ 20) ±18 dB ± 3 dB

MID (Frequency: 500 ~ 20 kHz, Q: 0.1 ~ 20) ±18 dB ± 3 dBLO (Frequency: 400 Hz) ±18 dB ± 3 dB

S/N (SETTING 1, Σ: SETING 2)INPUT (+2 dBV)→ MONITOR OUT 88 dB or more (with 20kHz LPF + A-curve filter*)INPUT (-50 dBV)→ MONITOR OUT 80 dB or more (with 20kHz LPF + A-curve filter*)

INPUT A ~ H Σ (+2 dBV)→ MONITOR OUT 79 dB or more (with 20kHz LPF + A-curve filter*)

INPUT A ~ H Σ (-50 dBV)→ MONITOR OUT 74 dB or more (with 20kHz LPF + A-curve filter*)PHONES OUTPUT residual noise -85 dBV or less (with 20kHz LPF + A-curve filter*)

T.H.D. (SETTING 1)INPUT (+2 dBV)→ MONITOR OUT (-10 dBV) 0.05 % or less (with 20kHz LPF + A-curve filter*)INPUT (-40 dBV)→ MONITOR OUT (0 dBV) 0.05 % or less (with 20kHz LPF + A-curve filter*)

INPUT (+2 dBV)→ PHONES OUT (20 mW/16 ΩΩΩΩΩ) 0.05 % or less (with 20kHz LPF + A-curve filter*)

Dynamic Range (SETTING 1)INPUT (+2 dBV)→ MONITOR OUT (-10 dBV) 88 dB or more (with 20kHz LPF + A-curve filter*)

Crosstalk (SETTING 1) 60 dB or more (Frequency: 1 kHz)

Click Noise (SETTING 1)Power ON/OFF -20 dBVp-p or less

Other switching -30 dBVp-p or less

GENERALDimensions 380 (W) x 98 (H) x 335 (D) mm

Weight Approx. 4.0 kg

Power Requirement 100V AC, 120V AC, 230V ACPower Consumption 15 W

* A-curve filter: with IEC 651A characteristicSpecifications are subject to change without notice for product improvement.

Page 6: Service Manual Model - VF-16

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VF-16

2. CONTROLS, INDICATORS & CONNECTORS< Top Panel Section >

1. [INPUT] (unbalanced) terminal: A ~ F2. [INPUT BAL] (balanced) terminal: G, H3. [INPUT UNBAL] (unbalanced) terminal: G, H4. [INSERT] terminal: G, H5. [MON OUT] terminal: L, R6. [PHONES] terminal7. [PEAK] LED: 1 ~ 88. [TRIM] knob: 1 ~ 89. [MON OUT] knob

10. [PHONES] knob11. [CH STATUS/CH SEL] key: 1 ~ 16 channel12. Channel fader: 1 ~ 16 channel13. [SCENE - RECALL / DIRECT RCL] key14. [SCENE - STORE / MAP] key15. [EFF EDIT - EFF1 / MUTE] key16. [EFF EDIT - EFF2 / MUTE] key17. [CH PARAM EDIT - EFF1/EFF2 / PRE/POST] key

18. [CH PARAM EDIT - EQ/COMP - HI-G/F/Q / COMP] key19. [CH PARAM EDIT - AUX1/AUX2 / PRE/POST] key20. [CH PARAM EDIT - EQ/COMP - MID-G/F/Q] key21. [CH PARAM EDIT - PAN / FADER] key22. [CH PARAM EDIT - EQ/COMP - LO-G / CH VIEW] key23. [MASTER CH STATUS/CH SEL] key24. [MASTER] fader25. [INPUT SEL] key26. [REC ASSIGN - BUSS - SOURCE] key27. [REC ASSIGN - BUSS - REC TRK] key28. [REC ASSIGN - DIRECT - REC TRK] key29. [DISP SEL / TIMEBASE] key30. [PGM SEL] key31. [SETUP] key32. [AUTO RTN - START / MARK1] key33. [AUTO PUNCH - IN / MARK2] key34. [AUTO PUNCH - OUT / MARK3] key

ACCESS

PHANTOM

CH STATUS/CH SEL

1 2 3 4 5 6 7 8 TRACK

9 10 11 12 13 14 15 16 TRACK

A B C D E F G H INPUT

ORANGECH STATUS INPUT RED REC GREEN PLAY MUTE

EQ/COMP

RECALL STORE

EFF1/EFF2 HI-G/F/Q

AUX1/AUX2 MID-G/F/Q

PAN LO-G

FADER CH VIEW

PRE/POST

PRE/POST

COMP

MUTE MUTE

EFF1 EFF2

DIRECT RCL MAP

SCENE

CH PARAM EDIT

EFF EDIT

OFF

CH STATUS/CH SEL

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

MASTER

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

DISP SELREC TRK

END

MARK

DIRECT

CLIPBOARD

BUSS

AUTO RTNAUTO PUNCH

REC ASSIGN

REC TRKSOURCECH STATUS

AUTO PUNCH

START

RECORD

P.EDIT

VARIPITCH

ALIGN SEL

SETUP

SCRUB

A RTNA PLAYOUTOUT

LOCATE

EVT MEM

ININ

41 6 73 52

UNDO/REDOHOLD/ EDITSTORE

PLAYSTOP F FWDREWIND

NEXTPREVCLIPBOARD PLAYLOCATE ABS 0LOCATE REC END

FADERADJUST

SHIFT

LEVELADJUST

EXIT/NO

ENTER/YES

EJECT

JOGSHUTTLE

2/10/B 6/14/F 7/15/G 8/16/H L R5/13/E4/12/D3/11/C1/9/A

MON OUT PHONES

UNBAL INSERTBAL UNBAL

0 10

PHONES

0 10

MON OUT

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

8/16/H

LINE MIC

PEAK

TRIM

INPUT

7/15/G

LINE MIC

PEAK

6/14/F5/13/E1/9/A 4/12/D3/11/C2/10/B

INSERTBAL

CLEAR

OPTICAL

DIGITAL

MULTITRACKER

SCENESEQ

TIMEBASE

PGM SEL

1 2 3 4 5 6

8

7

9 10

11

12

11

42

5051

43

464544

36

3738

39

3332

131415

1658

57

2526272834

60

31

35

2930

12

22

2120

1817

19

24 4723 40 52 48 54 49

5356

5541

59

Page 7: Service Manual Model - VF-16

7

VF-16

35. [AUTO RTN - END / MARK4] key36. [CLIPBOARD - IN / MARK5] key37. [CLIPBOARD - ALIGN SEL / MARK6] key38. [CLIPBOARD - OUT / MARK7] key39. [A RTN/A PLAY / SCENE SEQ] key40. [HOLD/ ] key /41. [STORE] key42. [EDIT] key43. [UNDO/REDO] key44. [VARI PITCH / P.EDIT] key45. [LOCATE / LOC MEM] key46. [SCRUB] key47. [RECORD / AUTO PUNCH] key

48. [STOP] key49. [PLAY] key50. [REWIND / PREV] key51. [F FWD / NEXT] key52. [FADER ADJUST / LEVEL ADJUST] key53. [SHIFT] key54. [EXIT/NO / EJECT] key55. [ENTER/YES] key56. [JOG / SHUTTLE] key57. [ACCESS] LED58. [PHANTOM] LED59. LCD60. Contrast adjusting knob

< Rear Panel Section >

CAUTION

AVIS: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR

TO REDUCE THE RISK OF FIRE OR ELECTRICSHOCK, DO NOT EXPOSE THIS EQUIPMENTTO RAIN OR MOISTURE.

RISK OF ELECTRIC SHOCKDO NOT OPEN

WARNING:

ST OUTAUX SEND

R L

IN OUT

MIDI DIGITAL / DATA FOOT SW

IN OUT

SCSI POWER AC-IN

DIGITAL

MULTITRACKER

61 62 63 64 65 66 67 68 69 70

61. [AUX SEND - 1/2] terminal62. [ST OUT - L/R] terminal63. [MIDI IN] terminal64. [MIDI OUT] terminal65. [DIGITAL/DATA IN] terminal

66. [DIGITAL/DATA OUT] terminal67. [FOOT SW] terminal68. [SCSI] terminal69. [POWER]70. [AC IN] terminal

Page 8: Service Manual Model - VF-16

8

VF-16

3. SOFTWARE UPDATESince the 8Mbit flash ROM is mounted on the MAIN PCB assy, the VF-16 software can be updated through the SCSIport. Please refer to the following explanation for correct software updating procedures.

3-1. Required ToolsThe following tools/equipment are required to update the VF-16 software.

1. IBM PC/AT compatible computer with SCSI board2. Removable type SCSI drive3. Cable between the removable type SCSI drive and the SCSI board4. Cable between the removable type SCSI drive and the VF-16 (D-SUB half-pitch 50-pin)5. A Utility software to extract the WinZip compressed file

3-2. Software Updating ProceduresPresuming that the updated software is correctly sent to you via email and is copied into your computer.

1. Connect the removable type SCSI drive to the IBM PC/AT compatible computer SCSI port.2. Insert the diskette to the removable type SCSI drive and format it by the computer on which Windows 95/98 is

running.3. Using the utility software, extract the WinZip compressed software file. The extracted file name is “vf-16mvX.XX”.

(X.XX indicates the version number. For example, if the software version number is V1.04, the file name is vf-16mv1.04.)

3. Copy the updated software file “vf-16mvX.XX” to the removable type SCSI drive (diskette).4. Set the removable type SCSI drive ID to 1 ~ 6 and connect to the VF-16 SCSI port.5. Power on the removable type SCSI drive and then VF-16.6. Insert the diskette with the updated software file “vf-16mvX.XX”.7. The VF-16 automatically finds the software update file in the SCSI drive/disk and is put into the software update

mode. In this condition, the current software version / programming date, the updated file software version in theSCSI drive are displayed and “SURE?” blinks on the LCD. The example below indicates the condition that theV1.02 software (programming date: 00/05/09) is going to be updated to V1.04.

8. Press the [ENTER/YES] key to start updating the software.9. The VF-16 LCD shows “Loading !”, “Writing !”, etc and after a while, the following appears on the LCD.

This indicates that the software is correctly updated. Press the [STOP] key or [EXIT/NO] key to eject the disk.

10. Power off the VF-16 and the connected SCSI drive.11. Disconnect the SCSI drive from the VF-16 and power on the VF-16 again.12. Confirm the software version number and the programming date while in the boot up procedures. For your

information, they can also be checked by the Service Mode explained later.

: Blinking

Current Software Version

Update File Software Version in the SCSI drive

: Blinking

Page 9: Service Manual Model - VF-16

9

VF-16

4. SERVICE MODEThere are various optional modes available in the VF-16 Service Mode. Please utilize them when servicing the unit.

4-1. Putting VF-16 into Service ModeThe way of putting the VF-16 into Service Mode is as follow. (Presuming that a 3.5” HDD has already been installedand correctly formatted.)

1. Power on the VF-16.2. While holding down the [STOP] key and [SHIFT] key, press the [SETUP] key.

Various optional menus will be displayed in addition to the general SETUP menus. Rotate the JOG dial or press theREW / F FWD key to select the desired optional mode and then press the [ENTER/YES] key while the menu isdisplayed.

4-2. Flash ROM (software) versionThis mode is used to check the Flash ROM (software) and CPU version currently installed on the VF-16 MAIN PCB.While selecting the service menu “Version”, press the [ENTER/YES] key.

The optional modes currently available on the VF-16 are as follow.• Version• DA Test• Self Check• Offset Display (ON/OFF)• Initializing Disk• Flash ROM• Free Block Check• Product Initialize

Rotating the JOG dial either C.C.W. or C.W. changes the display contents between the Flash ROM version and theCPU version.

Rotate JOG dial

C.C.W. or C.W.

General SETUP Menu

Optional Menu

Page 10: Service Manual Model - VF-16

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VF-16

4-4. Self CheckThis menu automatically tests the following points in order.1. SCSI port → 2. ATA (E-IDE) bus → 3. MIDI in/out circuit → 4. S/P DIF digital signal in/out→ 5. ADAT digital signal in/out → 6. Phantom power (+48V) → 7. A/D and D/A circuit (Input Monitor)

4-3. DA TestThis menu is not currently working.

Even though the [ENTER/YES] key is pressed, the following is just displayed. To go on, press the [ENTER/YES] key.

CAUTION

AVIS: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR

TO REDUCE THE RISK OF FIRE OR ELECTRICSHOCK, DO NOT EXPOSE THIS EQUIPMENTTO RAIN OR MOISTURE.

RISK OF ELECTRIC SHOCKDO NOT OPEN

WARNING:

ST OUTAUX SEND

R L

IN OUT

MIDI DIGITAL / DATA FOOT SW

IN OUT

SCSI POWER AC-IN

DIGITAL

MULTITRACKER

MIDI cable Optical CableSCSI Cable

SCSI Drive (ZIP, MO, etc)ID #: 1 ~ 6

< Cable connection when in “SelfCheck” mode >

In order to execute the “SelfCheck” test, connect the cables and SCSI drives as shown above. Then, press the [ENTER/YES] key while the “SelfCheck” menu is selected.

CAUTION: In order not to form a MIDI signal loop, connect the MIDI cable IN and OUT after putting the VF-16 intothe Service Mode.

Page 11: Service Manual Model - VF-16

11

VF-16

4-4-1. SCSI Port CheckIf the VF-16 does not recognize a connected SCSI drive or the SCSI drive is not actually connected, the following willbe displayed on the LCD.

The following will be displayed when the SCSI drive is connected properly but the disk is not put in the drive.

The following will be displayed when the disk put in the SCSI drive is not formatted.

The following will be displayed when the SCSI drive (ZIP 100 in this case) is correctly recognized.

4-4-2. ATA (E-IDE) Bus CheckThis test checks if data can be properly read out from the preformatted internal E-IDE hard disk.

If the “ALTERNATE STATUS” indicating the hard disk condition cannot be read out correctly, the following will bedisplayed.

Page 12: Service Manual Model - VF-16

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VF-16

4-4-3. MIDI In/Out CheckBy connecting the MIDI IN and OUT ports, this test checks if the reply against the ID inquiry is correctly received. Ifnot, the prompt below will be displayed.

4-4-4. S/P DIF In/Out CheckBy connecting the DATA IN and OUT terminals, this test checks if the S/P DIF signal output by itself is correctlyreceived. If the PLL circuit is not in a “LOCKED” condition, the prompt below will be displayed.

4-4-5. Adat In/Out CheckBy connecting the DATA IN and OUT terminals, this test checks if the ADAT digital signal output by itself is correctlyreceived. If the PLL circuit is not in a “LOCKED” condition, the prompt below will be displayed.

4-4-6. Phantom Voltage CheckWhen the following is displayed, phantom power (DC +48V) is supposed to be applied between the pin-2 (HOT) andpin-1 (GND) / pin-3 (COLD) and pin-1 (GND) of XLR balanced input jack. Check the voltage between the pins usinga multimeter, etc. Pressing the [ENTER/YES] key would forward the Self Check test.

4-4-7. A/D and D/A Circuit Check (Input Monitoring)The VF-16 automatically checks the before mentioned points in the Self Check mode. If the VF-16 is working properly,the following will appear on the LCD and the VF-16 is automatically put into Input Monitoring mode.

Page 13: Service Manual Model - VF-16

13

VF-16

4-5. Offset DisplayThis mode determines if the offset value against a master machine should be displayed when the VF-16 is working asa slave machine. If you would like to turn ON the offset display, press the [ENTER/YES] key while in the followingdisplay condition. (The default setting is at “off”.)

Then, turn the jog dial C.W. to change the setting to “ON” and press the [ENTER/YES] key.

This allows to display the offset value when the MTC (Select by [TIME BASE] key.) and REMAIN (Select by [DISPSEL] key.) are selected. The example below indicates that the offset value is “00H00M00S00F00SF”.

4-5. Initializing DiskThis is the mode to initializes a 3.5” internal E-IDE hard disk drive or an external SCSI drive connected to the SCSI port.

CAUTION 1: If both the external SCSI drive and the internal 3.5” E-IDE hard disk drive are connected at the sametime, the drive currently selected by the SETUP menu “Drive_Sel?” will be initialized.

CAUTION 2: This mode is exclusively designed for our manufacturer. To initialize the disk, use the ERASE functionin the Format SETUP menu instead.

If the [ENTER/YES] key is pressed in the above display condition, the drive name to be initialized (IDE or SCSI) isdisplayed and “SURE?” will start blinking.

Page 14: Service Manual Model - VF-16

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VF-16

In this condition, pressing the [ENTER/YES] key one more time would initialize the recognized disk drive. This modeputs the disk back to the condition originally formatted.

4-6. Flash ROMThis mode is used when copying the system software from EPROMs to Flash ROM. As mentioned in the section “3.SOFTWARE UPDATE” (page 8), the VF-16 software inside the Flash ROM can be updated through the SCSI port.However, if something wrong happens when updating the software (e.g. A blackout occurred while updating thesoftware.), the VF-16 might not be able to boot up using the system software inside the Flash ROM.In this case, the following procedures must be taken.

1. Power off the VF-16 and disconnect the AC cable from the AC IN socket.2. Plug the VF-16 EPROMs into the ROM CARD PCB assy sockets (U1 and U2). The SW on the ROM CARD

PCB assy must be set to “EPROM” side.3. Open up the top panel assy by loosening screws on both sides and on top, so that the ROM CARD PCB assy can

be vertically plugged into the 50-pin connector J5 on the MAIN PCB assy.4. Connect the AC cable and power on the VF-16.

In this condition, the VF-16 is booted up using the system software inside the EPROMs. The next procedures to takeare as follows.

5. Put the VF-16 into the Service Mode, rotate the jog dial and select “FlashROM” menu.

4-7. Free Block CheckThis mode is used to check the condition of the diskette inserted into an external SCSI drive connected to the VF-16 orthe internal E-IDE hard disk drive. The drive to be checked is the one currently selected by the SETUP menu“Drive_Sel?”.

Then, press the [ENTER/YES] key.The display indicates the following and “SURE?” will start blinking.

6. Press the [ENTER/YES] key to copy the system software from EPROMs to Flash ROM. The display shows“Erase ROM”, “Write ROM” and then “COMPLETED!” in order.

7. In order to confirm that the VF-16 is correctly booted up using the system software inside the Flash ROM, power offthe VF-16, disconnect the ROM CARD PCB assy and power it back on again.

8. After confirming that the VF-16 is booted up using the Flash ROM, referring to the section “3. SOFTWAREUPDATE” (page 8), update the system software inside the Flash ROM through SCSI port to the latest one.

Page 15: Service Manual Model - VF-16

15

VF-16

Press the [ENTER/YES] key in the above display condition. The display indicates the free audio file numbers.

If the Free Block indicates a large number even right after formatting and no signal is recorded or if the recorded signalon the E-IDE HDD is frequently skipped, the diskette / hard disk drive can be judged to be in a bad condition.

4-8. Product InitializeThis mode is exclusively used at our assembly line and has nothing to do with servicing the unit.

4-9. Key & LED Check TestsThese two tests are different from the before mentioned tests. It is not necessary to put the unit into the Service Modeto execute these tests.

4-9-1. Key & LED CheckThis test checks in which color the LEDs on the top panel is lit and if the key is correctly pressed or not. To execute,press the CH9 (A) STATUS/CH SEL key while holding down the SHIFT and STOP keys. The LEDs are lit in thefollowing color.

ACCESS

PHANTOM

CH STATUS/CH SEL

1 2 3 4 5 6 7 8 TRACK

9 10 11 12 13 14 15 16 TRACK

A B C D E F G H INPUT

ORANGECH STATUS INPUT RED REC GREEN PLAY MUTE

EQ/COMP

RECALL STORE

EFF1/EFF2 HI-G/F/Q

AUX1/AUX2 MID-G/F/Q

PAN LO-G

FADER CH VIEW

PRE/POST

PRE/POST

COMP

MUTE MUTE

EFF1 EFF2

DIRECT RCL MAP

SCENE

CH PARAM EDIT

EFF EDIT

OFF

CH STATUS/CH SEL

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

MASTER

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

DISP SELREC TRK

END

MARK

DIRECT

CLIPBOARD

BUSS

AUTO RTNAUTO PUNCH

REC ASSIGN

REC TRKSOURCECH STATUS

AUTO PUNCH

START

RECORD

P.EDIT

VARIPITCH

ALIGN SEL

SETUP

SCRUB

A RTNA PLAYOUTOUT

LOCATE

EVT MEM

ININ

41 6 73 52

UNDO/REDOHOLD/ EDITSTORE

PLAYSTOP F FWDREWIND

NEXTPREVCLIPBOARD PLAYLOCATE ABS 0LOCATE REC END

FADERADJUST

SHIFT

LEVELADJUST

EXIT/NO

ENTER/YES

EJECT

JOGSHUTTLE

2/10/B 6/14/F 7/15/G 8/16/H L R5/13/E4/12/D3/11/C1/9/A

MON OUT PHONES

UNBAL INSERTBAL UNBAL

0 10

PHONES

0 10

MON OUT

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

8/16/H

LINE MIC

PEAK

TRIM

INPUT

7/15/G

LINE MIC

PEAK

6/14/F5/13/E1/9/A 4/12/D3/11/C2/10/B

INSERTBAL

CLEAR

OPTICAL

DIGITAL

MULTITRACKER

SCENESEQ

TIMEBASE

PGM SEL

: ORANGE

: YELLOWISH GREEN

: RED

Page 16: Service Manual Model - VF-16

16

VF-16

The LCD indicates the following in this mode.

If one of the keys on the top panel is pressed, the LCD indicates the following. The message “OK” indicates that thepressed key (SW) is in good contact.

If two or more keys on the top panel are pressed at the same time, the message “ERROR” will be displayed on the LCD.In the meantime, the names of the pressed keys are displayed. The example below indicates that the [RECORD] and[PLAY] keys are pressed at the same time.

To get out of the test mode, press the MASTER key while holding down the SHIFT and STOP keys.

4-9-2. LED Check 2This test checks in which (orange / yellowish green / red) color the LEDs on the top panel are lit. Especially the CHSTATUS/CH SEL keys are lit in different color depending on the recording mode, etc. To execute, press the CH10 (B)STATUS/CH SEL key while holding down the SHIFT and STOP keys. No LED is lit right after the VF-16 is put intothis test. Then, every time the [ENTER/YES] key is pressed, the orange, yellowish green and red LEDs are lit in order.

ACCESS

PHANTOM

CH STATUS/CH SEL

1 2 3 4 5 6 7 8 TRACK

9 10 11 12 13 14 15 16 TRACK

A B C D E F G H INPUT

ORANGECH STATUS INPUT RED REC GREEN PLAY MUTE

EQ/COMP

RECALL STORE

EFF1/EFF2 HI-G/F/Q

AUX1/AUX2 MID-G/F/Q

PAN LO-G

FADER CH VIEW

PRE/POST

PRE/POST

COMP

MUTE MUTE

EFF1 EFF2

DIRECT RCL MAP

SCENE

CH PARAM EDIT

EFF EDIT

OFF

CH STATUS/CH SEL

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

MASTER

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

DISP SELREC TRK

END

MARK

DIRECT

CLIPBOARD

BUSS

AUTO RTNAUTO PUNCH

REC ASSIGN

REC TRKSOURCECH STATUS

AUTO PUNCH

START

RECORD

P.EDIT

VARIPITCH

ALIGN SEL

SETUP

SCRUB

A RTNA PLAYOUTOUT

LOCATE

EVT MEM

ININ

41 6 73 52

UNDO/REDOHOLD/ EDITSTORE

PLAYSTOP F FWDREWIND

NEXTPREVCLIPBOARD PLAYLOCATE ABS 0LOCATE REC END

FADERADJUST

SHIFT

LEVELADJUST

EXIT/NO

ENTER/YES

EJECT

JOGSHUTTLE

2/10/B 6/14/F 7/15/G 8/16/H L R5/13/E4/12/D3/11/C1/9/A

MON OUT PHONES

UNBAL INSERTBAL UNBAL

0 10

PHONES

0 10

MON OUT

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

8/16/H

LINE MIC

PEAK

TRIM

INPUT

7/15/G

LINE MIC

PEAK

6/14/F5/13/E1/9/A 4/12/D3/11/C2/10/B

INSERTBAL

CLEAR

OPTICAL

DIGITAL

MULTITRACKER

SCENESEQ

TIMEBASE

PGM SEL

: No LED is lit.

Page 17: Service Manual Model - VF-16

17

VF-16

Press the ENTER/YES key.

ACCESS

PHANTOM

CH STATUS/CH SEL

1 2 3 4 5 6 7 8 TRACK

9 10 11 12 13 14 15 16 TRACK

A B C D E F G H INPUT

ORANGECH STATUS INPUT RED REC GREEN PLAY MUTE

EQ/COMP

RECALL STORE

EFF1/EFF2 HI-G/F/Q

AUX1/AUX2 MID-G/F/Q

PAN LO-G

FADER CH VIEW

PRE/POST

PRE/POST

COMP

MUTE MUTE

EFF1 EFF2

DIRECT RCL MAP

SCENE

CH PARAM EDIT

EFF EDIT

OFF

CH STATUS/CH SEL

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

MASTER

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

DISP SELREC TRK

END

MARK

DIRECT

CLIPBOARD

BUSS

AUTO RTNAUTO PUNCH

REC ASSIGN

REC TRKSOURCECH STATUS

AUTO PUNCH

START

RECORD

P.EDIT

VARIPITCH

ALIGN SEL

SETUP

SCRUB

A RTNA PLAYOUTOUT

LOCATE

EVT MEM

ININ

41 6 73 52

UNDO/REDOHOLD/ EDITSTORE

PLAYSTOP F FWDREWIND

NEXTPREVCLIPBOARD PLAYLOCATE ABS 0LOCATE REC END

FADERADJUST

SHIFT

LEVELADJUST

EXIT/NO

ENTER/YES

EJECT

JOGSHUTTLE

2/10/B 6/14/F 7/15/G 8/16/H L R5/13/E4/12/D3/11/C1/9/A

MON OUT PHONES

UNBAL INSERTBAL UNBAL

0 10

PHONES

0 10

MON OUT

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

8/16/H

LINE MIC

PEAK

TRIM

INPUT

7/15/G

LINE MIC

PEAK

6/14/F5/13/E1/9/A 4/12/D3/11/C2/10/B

INSERTBAL

CLEAR

OPTICAL

DIGITAL

MULTITRACKER

SCENESEQ

TIMEBASE

PGM SEL

: ORANGE

Press the ENTER/YES key.

ACCESS

PHANTOM

CH STATUS/CH SEL

1 2 3 4 5 6 7 8 TRACK

9 10 11 12 13 14 15 16 TRACK

A B C D E F G H INPUT

ORANGECH STATUS INPUT RED REC GREEN PLAY MUTE

EQ/COMP

RECALL STORE

EFF1/EFF2 HI-G/F/Q

AUX1/AUX2 MID-G/F/Q

PAN LO-G

FADER CH VIEW

PRE/POST

PRE/POST

COMP

MUTE MUTE

EFF1 EFF2

DIRECT RCL MAP

SCENE

CH PARAM EDIT

EFF EDIT

OFF

CH STATUS/CH SEL

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

MASTER

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

DISP SELREC TRK

END

MARK

DIRECT

CLIPBOARD

BUSS

AUTO RTNAUTO PUNCH

REC ASSIGN

REC TRKSOURCECH STATUS

AUTO PUNCH

START

RECORD

P.EDIT

VARIPITCH

ALIGN SEL

SETUP

SCRUB

A RTNA PLAYOUTOUT

LOCATE

EVT MEM

ININ

41 6 73 52

UNDO/REDOHOLD/ EDITSTORE

PLAYSTOP F FWDREWIND

NEXTPREVCLIPBOARD PLAYLOCATE ABS 0LOCATE REC END

FADERADJUST

SHIFT

LEVELADJUST

EXIT/NO

ENTER/YES

EJECT

JOGSHUTTLE

2/10/B 6/14/F 7/15/G 8/16/H L R5/13/E4/12/D3/11/C1/9/A

MON OUT PHONES

UNBAL INSERTBAL UNBAL

0 10

PHONES

0 10

MON OUT

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

8/16/H

LINE MIC

PEAK

TRIM

INPUT

7/15/G

LINE MIC

PEAK

6/14/F5/13/E1/9/A 4/12/D3/11/C2/10/B

INSERTBAL

CLEAR

OPTICAL

DIGITAL

MULTITRACKER

SCENESEQ

TIMEBASE

PGM SEL

: YELLOWISH GREEN

Page 18: Service Manual Model - VF-16

18

VF-16

Press the ENTER/YES key.

ACCESS

PHANTOM

CH STATUS/CH SEL

1 2 3 4 5 6 7 8 TRACK

9 10 11 12 13 14 15 16 TRACK

A B C D E F G H INPUT

ORANGECH STATUS INPUT RED REC GREEN PLAY MUTE

EQ/COMP

RECALL STORE

EFF1/EFF2 HI-G/F/Q

AUX1/AUX2 MID-G/F/Q

PAN LO-G

FADER CH VIEW

PRE/POST

PRE/POST

COMP

MUTE MUTE

EFF1 EFF2

DIRECT RCL MAP

SCENE

CH PARAM EDIT

EFF EDIT

OFF

CH STATUS/CH SEL

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

MASTER

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

+6

-10

-20

-40

-

-30

0

DISP SELREC TRK

END

MARK

DIRECT

CLIPBOARD

BUSS

AUTO RTNAUTO PUNCH

REC ASSIGN

REC TRKSOURCECH STATUS

AUTO PUNCH

START

RECORD

P.EDIT

VARIPITCH

ALIGN SEL

SETUP

SCRUB

A RTNA PLAYOUTOUT

LOCATE

EVT MEM

ININ

41 6 73 52

UNDO/REDOHOLD/ EDITSTORE

PLAYSTOP F FWDREWIND

NEXTPREVCLIPBOARD PLAYLOCATE ABS 0LOCATE REC END

FADERADJUST

SHIFT

LEVELADJUST

EXIT/NO

ENTER/YES

EJECT

JOGSHUTTLE

2/10/B 6/14/F 7/15/G 8/16/H L R5/13/E4/12/D3/11/C1/9/A

MON OUT PHONES

UNBAL INSERTBAL UNBAL

0 10

PHONES

0 10

MON OUT

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

LINE MIC

PEAK

8/16/H

LINE MIC

PEAK

TRIM

INPUT

7/15/G

LINE MIC

PEAK

6/14/F5/13/E1/9/A 4/12/D3/11/C2/10/B

INSERTBAL

CLEAR

OPTICAL

DIGITAL

MULTITRACKER

SCENESEQ

TIMEBASE

PGM SEL

: RED

To get out of the test mode, press the MASTER key while holding down the [SHIFT] and [STOP] keys.

Page 19: Service Manual Model - VF-16

19

VF-16

5. ERROR CODE LISTThe chart below indicates the error code number and corresponding description. Since the error code list is basicallydesigned for our engineers to improve the software, the description is quite technical. If you find the VF-16 with oneof the error codes displayed, we encourage you to update the software to the latest one first. In case updating thesoftware does not solve the problem, we would like you to inform us about details.

1 VF-16 tries to access the address which does not exist.

3 SCSI drive does not boot up correctly during SCSI drive access operation

9When saving system region sector, its address is registered in Free_block File duringFree block File checking procedure.

10Link_pointer which links Audio File indicates smaller address (out of region) thanLink_File address region in RAM.Link_pointer indicates larger address (out of region) than Link_File address region

in RAM.

12 “Pointer_addre” calculation of Link_Pointer is not correct.

14Link_Pointer during recording/reproducing indicates smaller address (out of region) thanactual Link_File address region.

15Link_Pointer during recording/reproducing indicates larger address (out of region) thanactual Link_File address region.

16 “Pointer_addre” calculation of Link_Pointer during recording/reproducing is not correct.

20 src_cash_load: Improper access of link address occurred while PASTE editing.

21 bak_cash_load: Program link during PASTE/MOVE editing is incorrect.

bak_cash_load: Incompatibility problem occurred on program link during

PASTE/MOVE editing.

Error when executing MOVE editing. Improper Link Pointer. Error in “bak_cash_load”

function.

Error when executing MOVE editing. Improper Link Pointer. Error in “bak_cash_load”

function.

Error when executing MOVE editing. Improper Link Pointer. Error in “bak_cash_load”

function.

39 This error code is displayed when reading / writing test in Self Check mode fails.

40 dis_cah_load: Improper access occurred when recording/reproducing.

41 dis_cah_load: Improper access occurred when recording/reproducing.

42 dis_cah_load: Improper access occurred when recording/reproducing.

45 get_non_des_block: Remaining disk capacity is insufficient.

52 non_des_cash_save_sub: Improper access occurred when recording/reproducing.

60 remake_free_block: There was improper access to program management region.

61 remake_free_block: There was improper access to program management region.

62 remake_free_block: Number of manageable events exceeds limit.

63 remake_free_block: There was improper access to program management region.

64 remake_free_block: There is an overlapping section in program management region.

96 There was improper access to program management region.

97 There was improper access to program management region when saving System File.

99 There was improper access when fading in/out.

30

31

32

22

VF-16 ERROR CODE LIST

DESCRIPTIONERRORCODE

11

Page 20: Service Manual Model - VF-16

20

VF-16

6. EXPLODED VIEW, PCB ASSEMBLY & PARTS LIST

Ref. No. Part No. Description

1 8270 8820 51 Hard disk assy, IDE, 3.5”, 5.1GB

2 8221 3331 00 Panel, top, VF-16

3 8212 6910 00 Window, LCD, VF-16

4 8212 6950 00 Panel, LCD, VF-16

5 8260 5740 00 LCD assy, VF-16

6 8221 3130 00 Bracket, LCD, VF-16

7 8274 2550 00 PCB assy, Key, VF-16

8 8207 0117 01 Holder, cord, CS-1

9 8212 6920 00 Plate, reflect, LCD, VF-16

10 8216 7330 00 Sheet, LCD, VF-16

11 8221 3340 00 Bracket, PCB, VF-16

12 8274 2790 00 PCB assy, Key 2, VF-16

13 8274 2530 00 PCB assy, Mic/Mon, VF-16

14 8274 2770 00 PCB assy, Peak, VF-16

15 8274 2540 00 PCB assy, Main, VF-16

16 8221 2610 00 Bracket, AC-IN, FD-8/VF-16

17 8245 3400 00 Nut, phone jack

18 8276 8396 30 Cable, flat, FFC, 17P, L300

19 8221 3110 00 Panel, bottom, VF-16

20 8221 1930 00 Cover, HD, DMT-8VL/VF-16

21 8221 3350 00 Shield, power, VF-16

22 8221 3372 00 Chassis, VF-16

23 8207 0047 01 Plastic rivet, #1C18

24 8207 0120 00 Foot, FF-822

25 8207 0046 04 Spacer, PCB, 5RT

VF-16 OVERALL EXPLODED VIEW & PARTS LIST

!

Ref. No. Part No. Description

26 8204 0090 01 Spacer, M3 x 5

27 8212 6590 03 Pad, side, L, N19

28 8212 6590 04 Pad, side, R, N19

29 8218 2630 00 Sticker, GND

30 8216 7400 00 Sheet, isolation, VF-16

31 8214 3950 00 Spring, jog, VM88/VF-16

32 8226 2230 01 Knob, volume, C

33 8226 2490 03 Knob, fader, N19

34 8226 2490 02 Knob, fader, R

35 8226 2630 00 Button assy, control, VF-16

36 8226 2620 00 Knob, jog, VF-16

37 8226 2460 01 Button, 7 x 13, LED

38 8226 0130 02 Button, push, B

39 8276 8010 00 Cord, power, UL/CSA,

VM0033-0089, USA/CSA/CND

8276 8021 00 Cord, power, CEE, 0309B-0310B,

EUR

8276 8000 00 Cord, power, DM, VM1292-1298,

JPN

8276 9170 00 Cord, power, BS, 3C,

KP610-KS31A, UK

40 8218 7100 00 Label, screw

41 8218 0160 00 Label, fuse, caution

42 N/A (Comes with phone jack)

43 N/A (Comes with phone jack)

!

Page 21: Service Manual Model - VF-16

21

VF-16

A

A

C

D

C

D

B

B

E

F

F

E

1

2

34

5

7

9

10

11

12

13

14

15

16

42

18

19

20

21

22

23

24

25

26

28

27

29

30

31

32

3334

35

36

37

37

38

39

40

BBT3x6BZn

BBT3x6 BZn

25

BBT3x6BZn

BBT3x6BZn

BBT3x8BZn

BBT3x8 BZn

B3x8 BZn

P2.6x6 BZn

BBT3x8 BZn

BBT3x8 BZn

BBT3x8 BZn

17

8

SEMS B4x6CZn

41

B3x6 CZn

43

B3x6 CZn B3x6 CZn

B#6-3.2x5CZn

B3x3 CZn

B3x3 CZn

BBT3x8 BZn

BBT3x8BZn

BBT3x8BZn

BBT3x8BZn

BBT3x8BZn

BBT3x8 BZn

BBT3x6BZn

37

6

BBT3x8 BZn

VF-16 OVERALL EXPLODED VIEW & PARTS LIST

Page 22: Service Manual Model - VF-16

22 VF

-16

VF-16 PCB ASSEMBLIES• Parts Side of MAIN PCB

8251702 300

C3

C4

C5

C6

C11

C12

C13

C14

C18

C20

C21

C26

C30

C33

C34

C37

C41C42C43C44C45

C46

C47

C48

C50

C55

C56

C57

C59

C60

C62

C63C66

C68 C71

C72

C73

C76

C77

C78

C79

C80

C82

C83

C84

C85

C86

C89C90

C91

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C94

C96

C97

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1

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3

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4

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C114

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6

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C118

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C16

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163

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5

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EDCBA F G H I J

KEY & DISPLAY PCB,MAIN,VF-16

108109

73

72

37

36 1

144

144

136

37

72

73

109

108

MIDIOUT

INOUT

VARI

DGND

RESET25

48

DIF LOCK

LOCK

INPUT AMP

ST OUT RchLch

AUX SEND

T80

0mA

250

V

Page 23: Service Manual Model - VF-16

23

VF

-16

• Foil Side of MAIN PCB

2

17 1

J901

J902

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C35

9

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1

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IHGFEDCBA

1

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Page 24: Service Manual Model - VF-16

24

VF-16

112 J10

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D5

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D7

D8

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D16

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• Parts Side of KEY & KEY2 PCB

12 1J10

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311

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Page 25: Service Manual Model - VF-16

25

VF-16

• Foil Side of KEY & KEY2 PCB

8251996301P

CB

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Q5

B

Q6

B

Q7

B B

Q8

R2R3

R4

R5

R6R7

R8

R17

R35

R36

R38

R41R42 R43

R44 R45 R46

S15

S23

L7

U24

U25

U26

U27

U28U23

D30D38

D43

D44

D45

D91

D92D98

D99

S29

S30

S38

S42

S43

S44

S45

W21 10

C308

D90

S25

S26

S27

S28

S33S

34

C15

C17

D42

R10

R11

R12R13

R14

R1532

1

C307

S35

S36

S37

S17

S18

S19

S20

S41

S57

S58

C21

C23

R18

R31

U7

9

1

U11

1

9

1

8

U10

1

U12

8

C306

8251705100

D1

D2D

3

D103

RG

RG

D104

RG

RG

R51

3

2

1

1 12112

D49

D50

D51

D111R

GR

GR

GR

G

D112

RG

RG D

113

R61

3

2

1

R62

3

2

1

R63

3

2

1

S49

S50

S51

R52

3

2

1

R53

3

2

1

S1

S2

S3

D105

RG

RG

76543

CB

PCB.KEY2.VF-16

21

A

CB

A

Page 26: Service Manual Model - VF-16

26 VF

-16

• Parts& Foil Side of MIC/MON PCB

C60

5 C70

2

C70

3

C70

4C70

5

C70

9

C71

0

C71

1

C80

4

C80

5

C80

9

J701 J702J703

R620

R720 R820

C30

1

C30

5

C40

1

C40

5

C40

6

C50

1

C50

5

C50

6

C60

1

C60

6

J401 J501 J601

R320 R420 R520

C10

1

C10

5

C10

6

C20

1

C20

5

C20

6

C30

6

J101

J201 J301

R120 R220

C11

C12

C15

3

C23

3

C25

3

J2J230

19

C13

0

C13

3

C23

0

C80

2

C80

3

216

117

J1

C81

0

C81

1

J130J801 J802J803

R1 R2

BALINPUT

BALINPUTINPUT

UNBALINPUT

UNBALINPUT 3 INPUT 4 INPUT 5

7 8

INPUT 6INPUT 2 INSERT7 INSERT8

87

TRIM

MONITOR PHONES

MONITOR MONITORL R PHONES

PCB,MIC/MONITOR.VF-16

TO MAIN TO P

EA

K

INPUT 1

8251997301

C9

C10

C11

C12

C15

C15

1

C15

2

C16

1

C15

3

C23

1C

232

C25

1C

252

C26

1

C23

3

C36

1

C25

3C

461

C56

1

C66

1

C76

1

C13

1C

132

C13

0

C13

3

C23

0

C80

1

C80

2

C80

3

C80

5

117

16

J1

2

C81

0

C81

1

J701

3

4

5

1

2

J702

3

4

5

1

2

C3

C4

C5

C6

C30

2

C30

3

C30

4

C40

2

C1

C2

C10

2

C10

2C

103

C10

5

C10

4R

102C10

6

C20

2

C20

3 C20

1

C20

4 C20

5

C20

6

J101

3

4

5

1

2

J201

3

4

5

1

2

L10

1

L20

1

R10

1

R10

3R

104

R10

5

R120

R20

1

R20

2

R20

3R

204

R20

5

R220

U1

5

1

C30

1

C40

3C

404C30

5

C30

6

C40

1

C50

2C

503

C50

4

C40

6

C40

5

C50

1

C50

5

C50

6

C60

1

C60

4

J301

3

4

5

1

2

J401

3

4

5

1

2

J501

3

4

5

1

2

J601

3

4

5

1

2

L30

1

L40

1

L50

1

L60

1

R320

R40

3R

404

R420 R520

R30

1

R30

2R

303

R30

4R

305

R40

1

R40

2

R40

5

R50

1

R50

2R

503

R50

4R

505

R60

1R

602

U21

5

1

5

U3

32 1

GJ703

L70

3

R620

R70

3

R720

R80

2

R80

4

R81

1

R820

J801

3

4

5

1

2

D801

D802

J802

3

4

5

1

2

C7

C8

C60

2C

603

C70

1

C60

6

C70

2

C70

4

C70

5

C70

6

C70

7

C70

8

C70

9

C71

0

C60

5

C70

3

C71

1

C80

4 C80

6

C80

7

C80

8

C80

9

D701

D702

C71

2 L70

1

L70

2

R60

3R

604

R60

5

R70

1

R70

2

R70

4

R70

5

R70

6

R70

7

R70

8

R70

9

R71

0R

711

R71

2

R71

3

R80

1

R80

6

R80

7

R80

8

R80

9

R81

0

U4

5

1

32

1

GJ803

L13

0

R1 R2

L80

1L80

2

L80

3

R13

0

R13

1

R13

2R

133

R13

4

C81

2

R80

3

R80

5

R81

2

R81

3

J130

3

4

5

1

2

C86

1

L15

0

L23

0

L25

0

Q161Q261

Q361

Q461

Q561

Q661

Q761

Q861

R5

R6

R15

0R

151

R15

2

R15

3

R15

4

R16

1

R16

2R

163

R164

R23

0

R23

1

R23

2

R233

R23

4

R25

0R

251

R25

2

R25

3R25

4

R26

1

R26

2R

263

R264

R36

1

R36

2R

363

R364

R46

1

R46

2R

463

R464

R56

1

R56

2R

563

R564R66

1

R66

2R

663

R664

1

9

R76

1

R76

2R

763

R764

R86

1

R86

2R

863

R864

5

1U

5

5

1

U6

U130

U161

U230

U261

U361

U461

U561

U661

U761 U861

J2

3

4

5

1

2

J230

3

4

5

1

2 1

PCB,MIC/MONITOR,VF-16

INPUT2INPUT1 INPUT3 INPUT4 INPUT5 INPUT6BAL UNBALINPUT8BAL INPUT7 UNBAL INSERT7 INSERT8

MONITOR L MONITOR R PHONES

PHONESMONITOR

PCB,PEAK LED,VF-16

MIC/MON

D201 D202 D203 D204 D205 D206 D207 D2089 1

8251966202PCB,PEAK,VF-16

D201 D202 D203 D204 D205 D206 D207 D208 9 1

• Parts& Foil Side of PEAK LED PCB • Parts& Foil Side of LCD PCB

J119 1

220

J2

17 1

216

13

J3

C2

C4C5 C6

C7 C8

C9

C10

C11

C12

C2C

3C

4

C1

C5 C

6

C7

C8

C9 C

10C

11C

12

R1

R2U1

J2

17 1

216

13

J3

1919

20 10 2

J1

Page 27: Service Manual Model - VF-16

27

VF-16

VF-16 Parts List• Main PCB assyRef. No. Part No. Description

8274 2540 00 PCB Assy, Main, VF-16

8251 7022 00 Plain PCB, Main, VF-16

ICsRef. No. Part No. Description

U001 8236 0831 30 SOJ, DG, DRAM,

MSM5118160-60JS-7R1

U002 8236 5450 00 ST, TSSOP, 74VHC00

U003 8236 5450 74 ST, TSSOP, 74VHC74

U004, 005 8236 0818 00 QFP, DG, gate array, ASPI

U006 8236 5459 04 ST, TSSOP, 74VHCU04

U007 8236 0828 00 QFP, DG, SCSI, MB86604L

U008 8236 0829 00 SOP, DG, SCSI term, BH9595FP-Y

U009, 010 8236 5034 00 ST, DG, VCO, TC9246F

U011 8234 5047 00 OPT, ST, photo, PC410T

U012 8236 5450 14 ST, TSSOP, 74VHC14

U013 8236 5025 00 ST, AN, reset, NJM2103M

U014 8236 5701 01 ST, DG, driver, DTC114EK

U015 8236 0868 00 QFP, DG, CPU, SH7042, 33MHz, OTP

U017 8236 5459 04 ST, TSSOP, 74VHCU04

U024 8236 5450 32 ST, TSSOP, 74VHC32

U029 8236 5451 57 ST, TSSOP, 74VHC157

U030 8236 0840 11 TSOP, DG, FROM, M29F400T-400

U033 8236 0831 30 SOJ, DG, DRAM,

MSM5118160-60JS-7R1

U034 8236 5450 32 ST, TSSOP, 74VHC32

U035 8236 5450 00 ST, TSSOP, 74VHC00

U036 8236 5450 74 ST, TSSOP, 74VHC74

U037 8236 5451 38 ST, TSSOP, 74VHC138

U038 8236 5452 73 ST, TSSOP, 74VHC273

U039 8236 5450 32 ST, TSSOP, 74VHC32

U040 N/A

U041 8236 5450 32 ST, TSSOP, 74VHC32

U042 8236 5452 73 ST, TSSOP, 74VHC273

U043 8236 5450 08 ST, TSSOP, 74VHC08

U101~801 8236 5050 11 ST, AN, op amp, NJM2115M (TEI)

U102, 302 8236 5412 00 ST, AN, op amp, NJM4565M

U103~403 8236 5702 01 ST, DG, driver, DTC314TK

U151~451 8236 0861 00 QFP, DG, DSP, AK7716

U901, 902 8236 5701 01 ST, DG, driver, DTC114EK

U903 8236 5708 03 ST, DG, driver, DTB114EK

U904 8236 5450 04 ST, TSSOP, 74VHC04

U905 8236 0858 00 QFP, DG, gate array, SAA

U906 8236 0846 10 TSOP, DG, SRAM,

LC361000ATLL-70-TLM

U908 8236 5701 01 ST, DG, driver, DTC114EK

U910 8236 5701 01 ST, DG, driver, DTC114EK

U911 8236 0858 00 QFP, DG, gate array, SAA

U1001 8236 5410 06 V, AN, power, MIP166

U1002 8234 1081 00 OPT, H, photo coupler, ON3171

U1003 8236 5409 00 VT, AN, regulator, AN1431T

U1004 8236 0859 00 V, AN, DC-DC, PQ1CF1

U1006 8236 5403 15 ST, AN, regulator, L78M15TLL-TL

Ref. No. Part No. Description

U1007 8236 5404 15 ST, AN, regulator, NJM79M15DLA

U1008 8236 5403 01 ST, AN, regulator, L78M05T-TL

U1009 8236 0853 00 V, AN, DC-DC, PQ1CF2

TRANSISTORsRef. No. Part No. Description

Q001, 002 8234 5055 00 VT, NPN, 2SC1627Y

Q003 8234 5054 00 VT, PNP, 2SA817AY

DIODEsRef. No. Part No. Description

D001 8234 1050 00 VF, schottky, EK13

D002~005 8234 5028 00 ST, DAN202K

D006, 007 8234 7508 80 ST, zener, DZD24Y

D901 8234 5028 00 ST, DAN202K

D902 8234 7506 00 ST, RB400D

D1001 8234 1077 00 V, stack, 600VAC, 1.5A, D2SBA60

D1002 8234 5052 00 V, 600V, 1.7A, S2V60-4002

D1003 8234 1079 00 HT, 80V, 0.2A, MA171

D1004 8234 1080 00 V, 200V, 5.0A, MA649

D1005 8234 5028 00 ST, DAN202K

D1006 8234 1084 00 VT, schottky, EK03W

D1007 8234 1085 00 HT, fast recovery, D1NL40

D1009~11 8234 1085 00 HT, fast recovery, D1NL40

D1012 8234 1084 00 VT, schottky, EK03W

D1013 8234 5028 00 ST, DAN202K

RESISTORsRef. No. Part No. Description

R001 8230 5081 01 ST, R array, 100Ω x 4, 5%, CN1J4

R002, 003 8242 5051 02 Filter, ST, EMI, EXC3BB, 102

R004 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R005~007 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R008 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R009 8230 5105 62 ST, carbon, 1/15W, 5.6kΩ, 5%

R010 8230 5103 32 ST, carbon, 1/15W, 3.3kΩ, 5%

R011 8230 5102 22 ST, carbon, 1/15W, 2.2kΩ, 5%

R012 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R013 8242 5051 02 Filter, ST, EMI, EXC3BB, 102

R014 8230 5101 05 ST, carbon, 1/15W, 1MΩ, 5%

R015 8230 5100 00 ST, carbon, 1/15W, 0Ω, 5%

R016 8230 5103 31 ST, carbon, 1/15W, 330Ω, 5%

R017 8230 5101 05 ST, carbon, 1/15W, 1MΩ, 5%

R018 N/A

R019 8230 5104 72 ST, carbon, 1/15W, 4.7kΩ, 5%

R020 N/A

R021~025 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R026, 027 8230 5100 00 ST, carbon, 1/15W, 0Ω, 5%

R028 N/A

R029 8230 5104 72 ST, carbon, 1/15W, 4.7kΩ, 5%

R030 8230 5101 52 ST, carbon, 1/15W, 1.5kΩ, 5%

R031 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R032 8230 5102 24 ST, carbon, 1/15W, 220kΩ, 5%

Page 28: Service Manual Model - VF-16

28

VF-16

Ref. No. Part No. Description

R033 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R034 8242 5051 02 Filter, ST, EMI, EXC3BB, 102

R035 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R036 8230 5105 62 ST, carbon, 1/15W, 5.6kΩ, 5%

R037 N/A

R038 8230 5103 31 ST, carbon, 1/15W, 330Ω, 5%

R039 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R040 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R041 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

R042 8230 5101 02 ST, carbon, 1/15W, 1kΩ, 5%

R043 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R044 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R045~048 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R049 8230 5103 31 ST, carbon, 1/15W, 330Ω, 5%

R050 8230 5101 02 ST, carbon, 1/15W, 1kΩ, 5%

R051 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R052 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R053 8230 5102 21 ST, carbon, 1/15W, 220Ω, 5%

R054, 055 8230 5101 05 ST, carbon, 1/15W, 1MΩ, 5%

R056, 057 8230 5104 73 ST, carbon, 1/15W, 47kΩ, 5%

R058 8230 5103 32 ST, carbon, 1/15W, 3.3kΩ, 5%

R059 8230 5102 21 ST, carbon, 1/15W, 220Ω, 5%

R062~065 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R066 8230 5101 52 ST, carbon, 1/15W, 1.5kΩ, 5%

R071 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R072 N/A

R073 8230 5100 00 ST, carbon, 1/15W, 0Ω, 5%

R074~076 8230 5102 21 ST, carbon, 1/15W, 220Ω, 5%

R077 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R078 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R079 8242 5051 02 Filter, ST, EMI, EXC3BB, 102

R080 N/A

R087 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R088 N/A

R093, 094 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R095, 096 8230 5101 02 ST, carbon, 1/15W, 1kΩ, 5%

R098, 099 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R100 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R1..601 8230 5103 33 ST, carbon, 1/15W, 33kΩ, 5%

R701,801 8230 5101 83 ST, carbon, 1/15W, 18kΩ, 5%

R1..602 8230 5104 72 ST, carbon, 1/15W, 4.7kΩ, 5%

R7..802 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R1..803 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R1..804 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R1..805 8230 5103 31 ST, carbon, 1/15W, 330Ω, 5%

R1..806 8230 5103 31 ST, carbon, 1/15W, 330Ω, 5%

R1..807 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R1..411 8230 5103 92 ST, carbon, 1/15W, 3.9kΩ, 5%

R1..412 8230 5103 92 ST, carbon, 1/15W, 3.9kΩ, 5%

R1..413 8230 5102 72 ST, carbon, 1/15W, 2.7kΩ, 5%

R1..414 8230 5102 01 ST, carbon, 1/15W, 200Ω, 5%

R1..415 8230 5102 01 ST, carbon, 1/15W, 200Ω, 5%

R1..416 8230 5102 72 ST, carbon, 1/15W, 2.7kΩ, 5%

R1..417 8230 5104 73 ST, carbon, 1/15W, 47kΩ, 5%

R1..418 8230 5001 01 ST, carbon, 1/10W, 100Ω, 5%

Ref. No. Part No. Description

R1..451 8230 5081 01 ST, R array, 100Ω x 4, 5%, CN1J4

R152~352 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R901 N/A

R903 8242 5051 02 Filter, ST, EMI, EXC3BB, 102

R904 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R906 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R907~909 8230 5081 01 ST, array, 100 x 4, 5%, CN1J4

R910 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R911, 912 8230 5101 02 ST, carbon, 1/15W, 1kΩ, 5%

R913~915 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R916 8230 5004 73 ST, carbon, 1/10W, 47kΩ, 5%

R917~920 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R921~924 8230 5081 01 ST, array, 100 x 4, 5%, CN1J4

R925 N/A

R926 8230 5100 00 ST, carbon, 1/15W, 0Ω, 5%

R927 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R928 8242 5051 02 Filter, ST, EMI, EXC3BB, 102

R1001 Wire, jumper, IPS-1041-4, F10

R1002 8230 1251 04 H, metal, 2W, 100kΩ, 5%, F20, RSS

R1003, 04 8230 5005 69 ST, carbon, 1/10W, 5.6Ω, 5%

R1005 8230 1243 30 HT, metal, 1/2W, 33Ω, 5%, RSS

R1006 8230 5003 31 ST, carbon, 1/10W, 330Ω, 5%

R1007 8230 5001 03 ST, carbon, 1/10W, 10kΩ, 5%

R1008 8230 5004 71 ST, carbon, 1/10W, 470Ω, 5%

R1009 8230 5003 93 ST, carbon, 1/10W, 39kΩ, 5%

R1010, 11 8230 5001 03 ST, carbon, 1/10W, 10kΩ, 5%

R1012 8230 5003 02 ST, carbon, 1/10W, 3kΩ, 5%

R1013 8230 5001 02 ST, carbon, 1/10W, 1kΩ, 5%

R1017 8230 5004 73 ST, carbon, 1/10W, 47kΩ, 5%

R1018 8230 5001 03 ST, carbon, 1/10W, 10kΩ, 5%

R1019 8230 5003 02 ST, carbon, 1/10W, 3kΩ, 5%

R1020 8230 5001 02 ST, carbon, 1/15W, 1kΩ, 5%

CAPACITORsALU = Electrolytic type

CER = Ceramic type

PES = Mylar type

Ref. No. Part No. Description

C001 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C002 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C003 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C004, 005 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C006, 007 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C008 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

C009~012 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C013 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C014 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C015, 016 8233 5123 30 ST, CER, 50V, 33pF, 5%, CC11SL

C017 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C018 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C019, 020 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C021 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C022~025 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C026 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C027 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

Page 29: Service Manual Model - VF-16

29

VF-16

Ref. No. Part No. Description

C028 8233 5131 01 ST, CER, 50V, 100PF, 15%, CC11R

C029 N/A

C030 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

C031, 032 8233 5122 20 ST, CER, 50V, 22PF, 5%, CC11SL

C033, 034 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C035, 036 N/A

C037~040 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C041~045 N/A

C046 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C047 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C048 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C049~051 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C052 8233 5121 50 ST, CER, 50V, 15pF, 5%, CC11SL

C053~057 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C058 8233 5164 74 ST, CER, 16V, 0.47µF, 20%, KC20E

C059 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C060 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C061, 062 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C063 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C064 8233 5121 50 ST, CER, 50V, 15PF, 5%, CC11SL

C065 8233 5164 74 ST, CER, 16V, 0.47µF, 20%, KC20E

C066, 067 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C068~070 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C071 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C072 8232 1461 05 VT, ALU, 50V, 1µF, 20%, SME-VB

C073 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C074, 075 8233 5123 30 ST, CER, 50V, 33pF, 5%, CC11SL

C076 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C077 8233 5131 01 ST, CER, 50V, 100pF, 15%, CC11R

C078 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

C079 N/A

C080 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C081 N/A

C082~087 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C088, 089 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C090 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C091 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C092 8233 5122 20 ST, CER, 50V, 22pF, 5%, CC11SL

C093 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C094 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

C095 8233 5131 01 ST, CER, 50V, 100pF, 15%, CC11R

C096~098 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C099 N/A

C100 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C1..801 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C1..802 8233 5131 52 ST, CER, 50V, 0.0015µF, 15%, CC11R

C1..803 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C1..804 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C1..806 N/A

C1..807 N/A

C1..412 8233 5138 21 ST, CER, 50V, 820pF, 15%, CC11R

C1..413 8233 5138 21 ST, CER, 50V, 820pF, 15%, CC11R

C1..414 8232 1431 07 VT, ALU, 16V, 100µF, 20%, SME-VB

C115, 315 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C116, 316 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

Ref. No. Part No. Description

C1..417 8232 1434 76 VT, ALU, 16V, 47µF, 20%, SME-VB

C1..418 8232 1434 76 VT, ALU, 16V, 47µF, 20%, SME-VB

C1..419 8233 5136 82 ST, CER, 50V, 0.0068µF, 15%, CC11R

C1..420 8233 5136 82 ST, CER, 50V, 0.0068µF, 15%, CC11R

C1..451 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1..452 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1..453 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1..454 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1..457 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C1..458 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1..459 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C1..461 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1..462 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1..463 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1..464 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1..465 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C901 8232 1431 07 VT, ALU, 16V, 100µF, 20%, SME-VB

C902, 903 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C904 8232 3711 87 VT, ALU, 16V, 180µF, 20%, LXV, D6.3

C905 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C906 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C907 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C908~911 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C912 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C913, 914 8232 1434 76 VT, ALU, 16V, 47µF, 20%, SME-VB

C915~919 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

C920, 921 8232 3824 76 VT, ALU, 63V, 47µF, 20%, LXV, D8

C922 8232 3711 87 VT, ALU, 16V, 180µF, 20%, LXV, D6.3

C923 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C925~928 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C929 N/A

C930 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

C931~934 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C935 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

C936 N/A

C939-943 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C945~952 N/A

C1001 8232 3521 04 V, PES, 250VAC, 0.1µF, 20%,

ECQ-UMV

C1002, 03 8232 3542 22 VT, CER, 250V, 0.0022µF, 20%,

ECK-ZNS

C1004 8232 3241 07 V, ALU, 400V, 100µF, 20%,

SMH-VNSN, D25.4

C1005 8232 3491 03 VT, PES, 630V, 0.01µF, 10%,

ECQ-EKF3

C1006 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1007 8232 1434 76 VT, ALU, 16V, 47µF, 20%, SME-VB

C1008 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1009, 10 8232 3542 22 VT, CER, 250V, 0.0022µF, 20%,

ECK-ZNS

C1011 8232 3574 77 VT, ALU, 16V, 470µF, 20%, LXV, D10

C1012 8232 3533 91 VT, CER, 500V, 390pF, 10%, ECK-ZHT

C1013 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1014 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C1015, 16 8232 3574 77 VT, ALU, 16V, 470µF, 20%, LXV, D10

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VF-16

Ref. No. Part No. Description

C1017, 18 8232 3584 77 VT, ALU, 25V, 470µF, 20%, LXV, D10

C1019, 20 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1021, 22 8232 3711 87 VT, ALU, 16V, 180µF, 20%, LXV, D6.3

C1023 8232 3824 76 VT, ALU, 63V, 47µF, 20%, LXV, D8

C1026 8232 3584 77 VT, ALU, 25V, 470µF, 20%, LXV, D10

C1028 8232 3574 77 VT, ALU, 16V, 470µF, 20%, LXV, D10

C1029 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

C1030 8232 3711 87 VT, ALU, 16V, 180µF, 20%, LXV, D6.3

MISCELLANEOUSRef. No. Part No. Description

E1801 N/A (TP001)

E1802 N/A (TP002)

E1803 N/A (TP003)

E1804 N/A (TP004)

E1805 N/A (TP005)

E1806 8276 0010 00 Pin, header, TP006

E1807 8276 0010 00 Pin, header, TP007

F1001 8239 8010 08 Fuse, VT, SEMKO, TLAG, 0.8A,

250V, TR5-T

J001 8245 1711 09 Connector, PI, jack, 8283, 9P, WHT

J002 8245 1711 10 Connector, PI , jack, 8283, 10P, WHT

J003 8245 5530 10 Connector, opt, GPIF37R1

J004 8245 5520 10 Connector, opt, GPIF38T2

J005 8245 3220 50 Connector, PI , header, 50P, P2.0, 9210B

J006 8245 3290 50 Connector, PL, D-SUB, 50P, P1.27, ECI2

J008 8245 3390 04 Connector, PL , jack, phone,

YKB21-5074

J009 8245 4200 00 Connector, PL , jack, DIN5P (shield),

YKF51-5053

J012 8277 4770 30 Cable assy, FC, 40P/F-/B, L300, reverse

J901 8245 2720 17 Connector, PI , jack, FPC 17P

J902 8245 3390 04 Connector, PL , jack, phone,

YKB21-5074

J903 8245 3130 01 Connector, PL , jack, RCA, 2P, BLK,

W/S

J1001 8245 3210 00 Connector, PL, jack, AC inlet, 3P,

0714-FR7

L001, 002 8242 5025 60 Core, ST, CDRH104, 56µH

L003, 004 8242 1962 23 Coil, PVT, 22µH, 5%, LF5.0S

L005 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L006 8242 1962 23 Coil, PVT, 22µH, 5%, LF5.0S

L007 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L017~021 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L101~801 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L102~402 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L901 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L903~907 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L1001, 02 8242 1340 01 Filter, EMI, 6 hole

L1003 8242 2491 02 Filter, line, 1mH, 2.2A, ELFI5NO22A

L1004 8242 2741 83 Filter, line, 18mH, 0.5A, ELF18D210

L1005 8242 2501 03 Coil, PV, 10µH, 2A, ELC

L1006, 07 8242 2640 01 Coil, DC-DC, R17, 256µH

S1001 8253 4610 02 SW, P, push, power, SDDLB1-B1-F2

T1001 8242 2720 00 Transformer, SW POWER, ER2810,

D12-A15-A53

Ref. No. Part No. Description

W001 N/A

W901 N/A

W902 8230 5100 00 Resistor, ST, carbon, 1/15W, 0Ω, 5%

W1001 8277 1630 15 Cable assy, earth lug - SIN1.8, L150

W1002 8277 3184 20 Cable assy, 4P, 5395-CNC, L200

X001 8256 1700 01 Resonator, ST, XTL, 22.579MHZ,

FUP-FBB3A

X003 8256 1790 02 Resonator, PT, CER, 8MHz, EFOEN

X004 8256 1710 01 Resonator, PT, CER, 20.00MHz, KBR

Y4201 8207 0015 00 Heat sink, OSH-1625-SP

• Key PCB assyRef. No. Part No. Description

8274 2550 00 PCB Assy, Key, VF-16

8251 9662 01 Plain PCB, Key, VF-16

ICsRef. No. Part No. Description

U001 8236 0869 00 QFP, DG, CPU, VF-16 KEY,

H8/3217ZTAT

U002 8236 5600 14 ST, DG, 74HC14

U004 8256 1870 00 Module, jog, SRGPWJ

U006 8236 5600 74 ST, DG, 74HC74

U007 8236 5601 38 ST, DG, 74HC138

U008 N/A

U009 8236 0846 10 TSOP, DG, SRAM,

LC361000ATLL-70-TLM

U010 8236 5600 10 ST, DG, 74HC10

U011 8236 5601 38 ST, DG, 74HC138

U012, 013 8236 5600 32 ST, DG, 74HC32

U021~028 8236 5056 00 ST, DG, driver, DTD113ZK

U051, 052 8236 5630 52 ST, DG, 74HC4052

TRANSISTORsRef. No. Part No. Description

Q001~008 8234 1008 02 VT, PNP, 2SA1150Y

DIODEsRef. No. Part No. Description

D001~003 N/A

D004~048 8234 5007 00 HT, 1SS136

D049~051 N/A

D052~058 8234 5007 00 HT, 1SS136

D059~064 N/A

D071, 072 8234 5040 01 Opt, VT, LED, red, LT3D31W

D073 8234 5040 04 Opt, VT, LED, grn, LT3E31W

D074 8234 5040 03 Opt, VT, LED, ylw, LT3H31W

D075 8234 5040 01 Opt, VT, LED, red, LT3D31W

D076 8234 5040 04 Opt, VT, LED, grn, LT3E31W

D077 8234 5040 01 Opt, VT, LED, red, LT3D31W

D078 8234 5040 04 Opt, VT, LED, grn, LT3E31W

D079 N/A

!

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31

VF-16

Ref. No. Part No. Description

D080, 081 8234 5040 04 Opt, VT, LED, grn, LT3E31W

D082 8234 5040 01 Opt, VT, LED, red, LT3D31W

D083~086 8234 5040 03 Opt, VT, LED, ylw, LT3H31W

D087 N/A

D088, 089 8234 5040 03 Opt, VT, LED, ylw, LT3H31W

D090 8234 5040 04 Opt, VT, LED, grn, LT3E31W

D091 8234 5040 03 Opt, VT, LED, ylw, LT3H31W

D092 8234 5040 01 Opt, VT, LED, red, LT3D31W

D093, 094 8234 5040 03 Opt, VT, LED, ylw, LT3H31W

D095~097 N/A

D098 8234 5040 04 Opt, VT, LED, grn, LT3E31W

D099 8234 5040 01 Opt, VT, LED, red, LT3D31W

D100 8234 5040 03 Opt, VT, LED, ylw, LT3H31W

D101 8234 5040 04 Opt, VT, LED, grn, LT3E31W

D102 8234 5040 03 Opt, VT, LED, ylw, LT3H31W

D103~105 N/A

D106~110 8234 5058 00Opt, VT, LED, grn-red, SPR-325MVW

D111~113 N/A

D114~118 8234 5058 00Opt, VT, LED, grn-red, SPR-325MVW

RESISTORsRef. No. Part No. Description

R001 N/A

R002 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R003~008 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R009 N/A

R010, 011 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R012~015 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R016 8240 2930 08 Pot, PI, RT09, 500kΩB, EVUF2A, 25

R017 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R018 8230 5104 73 ST, carbon, 1/15W, 47kΩ, 5%

R019 N/A

R020~027 8230 5104 73 ST, carbon, 1/15W, 47kΩ, 5%

R031~038 8230 1381 01 HT, carbon, 1/4W, 100Ω, 5%

R039~046 8230 5101 02 ST, carbon, 1/15W, 1kΩ, 5%

R054~059 8240 2960 01 Slide VR, EWAQF X05, 10kΩB

R064~068 8240 2960 01 Slide VR, EWAQF X05, 10kΩB

CAPACITORsALU = Electrolytic type

CER = Ceramic type

Ref. No. Part No. Description

C001 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C002 N/A

C003 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C004 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

C005 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C006 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

C007, 008 8233 5123 00 ST, CER, 50V, 30pF, 5%, CC11SL

C009 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

C010, 011 N/A

C012 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C013 N/A

C014, 015 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C016 8233 5134 71 ST, CER, 50V, 470pF, 15%, CC11R

Ref. No. Part No. Description

C017~023 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C051 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C052~059 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C305~308 8233 5151 04 ST, CER, 25V, 0.1µF, +80, CC11F

MISCELLANEOUSRef. No. Part No. Description

E0901, 02 N/A

E0903 Jumper, F5.0

E0904 Jumper, F7.5

E0905 Jumper, F10.0

E0906 Jumper, F12.5

E0907 Jumper, F15.0

E0908 Jumper, F20.0

E0909 Jumper, F25.0

E0910 Jumper, F30.0

J001 N/A

J002 8245 3220 20 Connector, PI , header, 20P, P2.0,

9210B

J010, 011 8245 3600 12 Connector, PL, socket, 12P, 9110S-12L

L001, 002 8239 1160 00 Lamp, 5V, 75mA

L003, 004 N/A

L005~007 8242 5041 21 Filter, ST, EMI, EXC3BP,121

S001~003 N/A

S004~048 8253 1350 02 SW, PT, tact, SKQNAB

S049~051 N/A

S052~058 8253 1350 02 SW, PT, tact, SKQNAB

S059~064 N/A

W001 8276 7790 50 Cable assy, 9P, WHTMT/F-MT/BS, L500

W002 8276 7800 35 Cable assy, 10P, WHTMT/F-MT/BS, L350

X001 8256 5004 01 Resonator, PT, CER, 16.00MHz, CSA

• LCD assyRef. No. Part No. Description

8260 5740 00 Assy, LCD, VF-16

Ref. No. Part No. Description

A101 8260 5750 00 LCD module, 128 x 64

A102 8274 2560 00 PCB assy, LCD, VF-16

• LCD ModuleRef. No. Part No. Description

8260 5750 00 Module, LCD, VF-16

Ref. No. Part No. Description

E101 8256 1860 00 Display, LCD, 128 x 64

E102 8236 0856 00 IC, TCP, driver, T6K04

Y101 8216 6961 00 ACF, AC-7104, 2 x 55mm

A101 8260 5750 50 LD sub module, 128 x 64

Page 32: Service Manual Model - VF-16

32

VF-16

• LCD PCB assyRef. No. Part No. Description

8274 2560 00 PCB Assy, LCD, VF-16

8251 9922 01 Plain PCB, LCD, VF-16

Ref. No. Part No. Description

R001 8230 5107 53 Resistor, ST, carbon, 1/15W, 75kΩ, 5%

R002 N/A

C001 N/A

C002 8232 1431 06 Capacitor, VT, ALU, 16V, 10µF, 20%,

SME-VB

C003 8233 5131 03 Capacitor, ST, CER, 50V, 0.01µF,

15%, CC11R

C004 8232 1462 25 Capacitor, VT, ALU, 50V, 2.2µF, 20%,

SME-VB

C005~009 8232 1461 05 Capacitor, VT, ALU, 50V, 1µF, 20%,

SME-VB

C010~012 8232 1462 25 Capacitor, VT, ALU, 50V, 2.2µF, 20%,

SME-VB

J001 8245 3230 20 Connector, PI, socket, 20P, P2.0, 9269S-B

• MIC/MON PCB assyRef. No. Part No. Description

8274 2530 00 PCB Assy, MIC/MON, VF-16

8251 9973 01 Plain PCB, MIC/MON, VF-16

ICsRef. No. Part No. Description

U001~004 8236 5405 00 SOP, AN, NJM2068MD (TEI)

U005 8236 5412 00 ST, AN, op amp, NJM4565M

U006 8236 7205 00 ST, AN, NJM4556AM

U130, 230 8236 5702 01 ST, DG, driver, DTC314TK

U161~861 8236 5704 01 ST, DG, driver, DTA114EK

TRANSISTORsRef. No. Part No. Description

Q161~861 8234 6003 05 ST, NPN, 2SC2412KR/S

DIODEsRef. No. Part No. Description

D701, 801 8234 5028 00 ST, DAN202K

D702, 802 8234 5029 00 ST, DAP202K-T146

RESISTORsRef. No. Part No. Description

R001, 002 8240 2940 02 Pot, PI, RT12, 10kΩAA, EVJY15

R005, 006 8230 5034 79 ST, carbon, 1/2W, 4.7Ω, 5%

R101~601 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R102~602 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R103~603 8230 5103 90 ST, carbon, 1/15W, 39Ω, 5%

R104~604 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R105~605 N/A

R120~620 8240 2930 05 Pot, PI, RT09, 20kΩC, EVUF2L

R701, 801 8230 5126 82 ST, carbon, 1/4W, 6.8kΩ, 1%

Ref. No. Part No. Description

R702, 802 8230 5126 82 ST, carbon, 1/4W, 6.8kΩ, 1%

R703, 803 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R704, 804 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R705, 805 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R706, 806 8230 5101 02 ST, carbon, 1/15W, 1kΩ, 5%

R707, 807 8230 5101 02 ST, carbon, 1/15W, 1kΩ, 5%

R708, 808 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R709, 809 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R710, 810 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R711, 811 8230 5101 01 ST, carbon, 1/15W, 100Ω, 5%

R712, 812 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R713, 813 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R720, 820 8240 2940 04 Pot, PI, RT12, 500kΩCC, EVJY95

R130, 230 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R131, 231 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R132, 232 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R133, 233 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R134, 234 8230 5101 02 ST, carbon, 1/15W, 1kΩ, 5%

R150, 250 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R151, 251 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R151, 252 8230 5101 04 ST, carbon, 1/15W, 100kΩ, 5%

R153, 253 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R154, 254 8230 5035 60 ST, carbon, 1/2W, 56Ω, 5%

R161~661 8230 5102 73 ST, carbon, 1/15W, 27kΩ, 5%

R761, 861 8230 5101 33 ST, carbon, 1/15W, 13kΩ, 5%

R162~662 8230 5103 32 ST, carbon, 1/15W, 3.3kΩ, 5%

R762, 862 8230 5101 03 ST, carbon, 1/15W, 10kΩ, 5%

R163~663 8230 5104 74 ST, carbon, 1/15W, 470kΩ, 5%

R763, 863 8230 5101 05 ST, carbon, 1/15W, 1MΩ, 5%

R164~864 8230 5022 02 ST, carbon, 1/4W, 2kΩ, 5%

CAPACITORsALU = Electrolytic type

CER = Ceramic type

Ref. No. Part No. Description

C001~010 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C011, 012 8232 1432 27 VT, ALU, 16V, 220µF, 20%, SME-VB

C015 N/A

C101~601 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C102~602 N/A

C103~603 8233 5122 20 ST, CER, 50V, 22pF, 5%, CC11SL

C104~604 8233 5122 20 ST, CER, 50V, 22pF, 5%, CC11SL

C105~605 8232 1421 07 VT, ALU, 10V, 100µF, 20%, SME-VB

C106~606 8232 1424 76 VT, ALU, 10V, 47µF, 20%, SME-VB

C701, 801 8233 5131 03 ST, CER, 50V, 0.01µF, 15%, CC11R

C702, 802 8232 2964 76 VT, ALU, 50V, 47µF, 20%, LLA

C703, 803 8232 2964 76 VT, ALU, 50V, 47µF, 20%, LLA

C704, 804 8232 1504 76 VT, ALU, 16V, 47µF, 20%, SME-VP-BP

C705, 805 8232 1504 76 VT, ALU, 16V, 47µF, 20%, SME-VP-BP

C706, 806 N/A

C707, 807 8233 5122 20 ST, CER, 50V, 22pF, 5%, CC11SL

C708, 808 8233 5122 20 ST, CER, 50V, 22pF, 5%, CC11SL

C709, 809 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C710, 810 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C711, 811 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

Page 33: Service Manual Model - VF-16

33

VF-16

Ref. No. Part No. Description

C712, 812 8233 5131 01 ST, CER, 50V, 100pF, 15%, CC11R

C130, 230 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C131, 231 N/A

C132, 232 8233 5122 20 ST, CER, 50V, 22pF, 5%, CC11SL

C133, 233 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB

C151, 251 N/A

C152, 252 8233 5122 20 ST, CER, 50V, 22pF, 5%, CC11SL

C153, 253 8232 1432 27 VT, ALU, 16V, 220µF, 20%, SME-VB

C161~861 8233 5164 74 ST, CER, 16V, 0.47µF, 20%, KC20E

MISCELLANEOUSRef. No. Part No. Description

J001 8245 2721 17 Connector, PL, jack, FPC, 17P

J002 8245 3570 00 Connector, PI, jack, phone, NY234

J003 8245 1721 09 Connector, PL, jack, 8283, 9P, WHT

J101~801 8245 3570 00 Connector, PI, jack, phone, NY234

J702, 802 8245 3570 00 Connector, PI, jack, phone, NY234

J703, 803 8245 2680 00 Connector, PI , jack, XLR31, 3P,

NC3FAV1-0

J130, 230 8245 3570 00 Connector, PI, jack, phone, NY234

L101~801 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L702, 802 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L703, 803 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L130, 230 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

L150, 250 8242 5041 21 Filter, ST, EMI, EXC3BP, 121

• PEAK LED PCB assyRef. No. Part No. Description

8274 2770 00 PCB Assy, Peak LED, VF-16

8251 9962 02 Plain PCB, Peak LED, VF-16

Ref. No. Part No. Description

D201~208 8234 1046 01 Diode, opt, LED, red,

SLR-332VC-TE7

E001 N/A

W201 8276 7790 20 Cable assy, 9P, WHTMT/F-MT/BS,

L200S: Surface mount

V: Vertical mount

P: Penetrate mount

T: Taping device

F: Forming device

L: L form

I: I form

SOJ: Small Outline package with J leads

QFP: Quad Flat Package

SOP: Small Outline Package

TSOP: Thin Small Outline Package

TSSOP: Thin Shrink Small Outline Package

DIP: Dual In-line Package

220: TO-220 type

DG: Digital

AN: Analog

Abbreviation

• KEY2 PCB assyRef. No. Part No. Description

8274 2790 00 PCB Assy, Key2, VF-16

8251 7050 00 Plain PCB, Key2, VF-16

DIODEsRef. No. Part No. Description

D001~003 8234 5007 00 HT, 1SS136

D049~051 8234 5007 00 HT, 1SS136

D103~105 8234 5058 00Opt, VT, LED, grn-red, SPR-325MVW

D111~113 8234 5058 00Opt, VT, LED, grn-red, SPR-325MVW

RESISTORsRef. No. Part No. Description

R051~053 8240 2960 01 Slide VR, EWAQF X05, 10kΩB

R061~063 8240 2960 01 Slide VR, EWAQF X05, 10kΩB

MISCELLANEOUSRef. No. Part No. Description

E0201 Jumper, F5.0

E0202 Jumper, F7.5

E0203 Jumper, F10.0

J010, 011 8245 3610 12 Connector, PL, header, 12P,

9176B-12L

S001~003 8253 1350 02 SW, PT, tact, SOR-112HS

S049~051 8253 1350 02 SW, PT, tact, SOR-112HS

Page 34: Service Manual Model - VF-16

34 VF

-16

7. CIR

CU

IT &

BLO

CK

DIA

GR

AM

S ROOT, MAIN PCB, VF-16

+48

A+5DSP

AGNDA+15

A-15

DGND

D+5HD

P_ON/OFF

VCOGNDVCO+5

POWER

CONNECT

D[0..15]

/CS_IDE

/RST

D+5DGND

/RD/WR

/ATA_INT1

/DACK1MLRCKIORDY1/DREQ1

SCSI_TMOUT

SCSI_CS

/MUTE

DMA_SEL

SC_INT7I

A[0..18]

/INIT_RST

/CS1

SISCLK_DSP/WRQ_DSP/RST_DSP

KEY_SODRDY_DSP[1..4]RDY_DSP

KEY_SISO

F_SEL_BF_SEL_A

SCLK_KEY

A-15

/CS_ADAC1/CS_ADAC2

SIN_SEL[1..4]

VARI/EXT

/CODEC_RST

D+5HD

/RD2

CPUD[0..15]

LRCKBCKMSCK

/CS_IDE

/RST

D+5DGND

/WR/RD

/ATA_INT1

/DACK1MLRCKIORDY1/DREQ1

SCSI_TMOUT

SCSI_CSDMA_SEL

SC_INT7I

A[0..18]

AD_D[1..5]

VCO+5VCOGND

/CS1

DA_D[1..4]

P_ON/OFF

SEL_CONT_LSEL_CONT_R

DSP_SEL_ADSP_SEL_BDSP_SEL_C

F_SEL_AF_SEL_B

512FS

/CS_ADAC1/CS_ADAC2

SIN2_[1..4]SIN1_[1..4]

BCK64

AUX_DOUT

ST_DIN

AUX_DOUT[1..3]

ST_ADD

SIN_SEL[1..4]

VARI/EXT

/RD2

AUDIO_IF

LRCKBCK

MSCK

D+5DSPDGND1

DGND

/MUTE

D+5

AD_D[1..5]

A+15A-15

/RST

/INIT_RST

A+5DSPAGND

DA_D[1..4]

SEL_CONT_LSEL_CONT_R

KEY_SODRDY_DSP[1..4]

RDY_DSP

KEY_SI/RST_DSP

/WRQ_DSPSCLK_DSP

SI

DSP_SEL_ADSP_SEL_BDSP_SEL_C

SO

+48

SCLK_KEY

512FS

SIN1_[1..4]SIN2_[1..4]

BCK64

AUX_DOUT[1..3]

ST_ADDST_DIN

AUX_DOUT

/CODEC_RST

DSPD[0..15]

A[0..18]

/RD/WR

/CS_IDE

/MUTE

DA_D[1..4]

LRCKBCKMSCK

/RST

/ATA_INT1

/DACK1MLRCKIORDY1/DREQ1

SCSI_TMOUT

SCSI_CSDMA_SEL

SC_INT7I

AD_D[1..5]

/INIT_RST

/RST

/CS1VCO+5

D+5

D+5

D+5DSP

D+5

D+5

D+5DSP

VCO+5

A+5DSP

A+15

A+5DSP

A+15

DGND

DGND

DGND

DGND1

DGND1

VCOGND

VCOGND

DGND

A-15AGND

AGND

A-15

FRAME1

L1

56uH

L2

56uH

C3

10/16

C40.1

C50.1

C610/16

C110.1

C120.1

C13

10/16

C18

0.1

SEL_CONT_LSEL_CONT_R

DRDY_DSP[1..4]RDY_DSP

SISCLK_DSP/WRQ_DSP/RST_DSP

KEY_SI

KEY_SO

DSP_SEL_CDSP_SEL_BDSP_SEL_A

SO

+48

+48

P_ON/OFF

F_SEL_AF_SEL_B

SCLK_KEY

A-15

512FS

D+5HD

(/AIRQ1)

/CS_ADAC1/CS_ADAC2

SIN1_[1..4]SIN2_[1..4]

BCK64

AUX_DOUT[1..3]AUX_DOUT

ST_ADDST_DIN

SIN_SEL[1..4]

VARI/EXT

/CODEC_RST

D+5HD

D+5HD

/RD2

Page 35: Service Manual Model - VF-16

35

VF

-16

CPU, MAIN PCB, VF-16

1

2

345

1

2

345

2

1

3

10

9

8

1112

1314

17 18

3

2

1

45

67

15 16

PE

13/M

RE

S11

2P

B6/

A18

/BA

CK

29

PD

12/D

1256

PE

0/D

RE

Q0

85

PB

7/A

19/B

RE

Q30

PB

8/A

20/W

AIT

31

PB

9/A

21/A

DT

RG

32

VS

S33

PA14

/RD

34

WD

TOV

F35

PA13

/WR

H36

VC

C37

PA12

/WR

L38

VS

S39

PA11

/CS

140

PA10

/CS

041

PA9/

IRQ

342

PA8/

IRQ

243

PA7/

CS

344

PA6/

CS

245

PA5/

SC

K1

46

PA4/

TX

D1

47

PA3/

RX

D1

48

PA2/

SC

K0

49

PA1/

TX

D0

50

PA0/

RX

D0

51

PD

15/D

1552

PD

14/D

1453

PD

13/D

1354

VS

S55

PE

1/D

RA

K0

86P

E2/

DR

EQ

187

PE

3/D

RA

K1

88P

E4

89V

SS

90P

F0/

AN

091

PF

1/A

N1

92P

F2/

AN

293

PF

3/A

N3

94P

F4/

AN

495

PF

5/A

N5

96A

VS

S97

PF

6/A

N6

98P

F7/

AN

799

AV

CC

100

VS

S10

1P

E5

102

VC

C10

3P

E6

104

PE

710

5P

E8

106

PE

910

7P

E10

108

VS

S10

9P

E11

110

PE

1211

1

PE14/AH1

PE15/IRQOUT2

VSS3

PC0/A04

PC1/A15

PC2/A26

PC3/A37

PC4/A48

PC5/A59

PC6/A610

PC7/A711

PC8/A812

PC9/A913

PC10/A1014

PC11/A1115

PC12/A1216

PC13/A1317

PC14/A1418

PC15/A1519

PB0/A1620

VCC21

PB1/A1722

VSS23

PB2/RAS24

PB3/CASL25

PB4/CASH26

VSS27

PB5/RDWR28 PD11/D11 57PD10/D10 58PD9/D9 59

PD8/D8 60VSS 61PD7/D7 62PD6/D6 63PD5/D5 64VCC 65PD4/D4 66PD3/D3 67PD2/D2 68PD1/D1

69PD0/D0 70VSS71XTAL 72MD373EXTAL 74MD275NMI 76VCC77MD1 78MD079PLLVCC 80

PLLCAP 81PLLVSS 82PA15/CK 83RES/(VPP) 84

VSA7

CT1RST8

OC3

GN

D4

VC

C5

VSB6

VSC2

1

1110

1

4

56

9

108

12

1311

1

23

14

13

13

13

5 6

98

34

12

14

1312

1

2GND3

VO4

VCC5

1 R34

L2

123456789

12345678910

1

23

14

4

56

9

108

12

1311

9

108

DGND

D+5

D[0..15]

/EPROM

/CS0/CS2

A[0..18]

/RAS/LCAS/UCAS

/WR

RDWR

/RD

/RST

MLRCK

/CS_ADAC1/CS_ADAC2

/RST

/WR

/MUTE

D+5

DGND

A[0..18]

D[0..15]

IORDY1

/DREQ1/DACK1

MLRCK

SCSI_CS

DMA_SEL

/RD

/CS_IDE

/ATA_INT1

SC_INT7I

SCSI_TMOUT

A-15

/INIT_RST

/CS1

A0A1A2A3A4A5

/CS0

/LCAS/UCAS

/RAS

/WR

/RST_DISP

RXD0

TXD0

/PUNCH_I/O

D[0..15]

A[0..18]

/EPROM

/RST

/CS2

A6A7A8

A0

A[0..18]

D[0..15]

SC_INT7I

A9A10A11A12A13A14A15A16

A17A18

/RD

/WR

D0D1D2D3D4

D5D6D7

D8D9D10D11

D12

D13

D14

D15

/CS_IDE

SCSI_CS

/RST_DISP

/CS1

RDWR

/RD

D+5

D+5

D+5

D+5

D+5

D+5

D+5

D+5

D+5

D+5

D+5

D+5

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

GND

DGND

DGND

DGND

DGND

A-15

DGND

DGND

DGND

RDY_DSP

SI

SCLK_DSP

/WRQ_DSP

/RST_DSP

KEY_SIKEY_SI

KEY_SO KEY_SO

RDY_DSP

/RST_DSP

/WRQ_DSP

SCLK_DSP

SI

SO SO

D+5

DGND

/ATN2

/ATN1

DGND

FADER0FADER1FADER2FADER3FADER4

FADER0FADER1FADER2FADER3FADER4

AVCC

AVCC

DGND

D+5

F_SEL_AF_SEL_B

F_SEL_AF_SEL_B

SCLK_KEYSCLK_KEY

DRDY_DSP

/RST

D+5

DGND

DGND

MLRCK

D+5

DRDY_DSP[1..4]DRDY_DSP[1..4]

DRDY_DSP1

DRDY_DSP2

DRDY_DSP3

DRDY_DSP4

DGND

DGND

/CS_ADAC1/CS_ADAC2

/CS_ADAC1/CS_ADAC2

SIN

_SE

L1

SIN

_SE

L2S

IN_S

EL3

SIN

_SE

L4

SIN_SEL[1..4]SIN_SEL[1..4]

VARI/EXT VARI/EXT

/CODEC_RST/CODEC_RST

D+5HD

D+5HD

D+5HD

DGND

/RD2 /RD2

DGND

/RST_DISP

/ATN1

/ATN2

TXD1RXD1

SCK1

MEMORY

DISPLAYTO

GR

GR

GR

DSP

GR

PUNCH IN/OUT

MIDI OUT

MIDI IN

GR

GR

GR

GR

MD=2CLOCK= x4

GR

TP3NON

TP4NON

TP5NON

R43 100

R44 100

R4510K

R4610K

R4710K

R4810K

R49330

R501K

R5110K R52 100

U13 NJM2103M

C710.01

C721/50

C730.01

C74

33p

C75

33p

R62 100R63

100 R64

100

R65

100

R661.5K

C760.01

TP6TP

C77

100p

U14DTC114EK

C78470P

C110/16

C9222p

R71

10k

R72NON

R730

U12E74VHC14

TP7TP

R74220

R75220

R76220

R7710K

R78100

C930.01

C95100p

U24B74VHC32

U24C74VHC32

U24D74VHC32

U24A74VHC32

D3DAN202K

D4DAN202K

D5DAN202K

X38MHz

L17

EXC3BPL18

EXC3BP

L19

EXC3BPL20

EXC3BP

J9B

DIN-5P 2P

J9A

DIN-5P 2P

L21

EXC3BP

C79

NON

U12C74VHC14

U12D74VHC14

U12B74VHC14

U12A74VHC14

C98

0.01

C880.1

C700.1

C690.1

C94470p

U12F74VHC14

U15

SH7042

U11

PC410

J8

YKB21-5074

TXD1

RXD1

SCK1

R410K

R3310K

DSP

C890.1

L3 82uH

C900.01

AVSS

ADAC

DSP DSP

DSP

DSP

(DISPLAY)

DISP

J2

C100.1

C20.1

C8

470p

R58

3.3k

R59

220

C90.1

J1

8283M9PJ2

8283M10P

R99 100

R100 100

DISPLAYTO

L5EXC3BP

(/AIRQ1)

C800.01

DSP

U39A 74VHC32

U39B

74VHC32

U39C

74VHC32

U39D

74VHC32

GR

GR

GR

DSP

C9390.01

C9400.01

C9410.01

C9420.01

C9430.01

L7EXC3BP

U41C

74VHC32GR

C953120/6.3LXV

Page 36: Service Manual Model - VF-16

36 VF

-16

MEMORY, MAIN PCB, VF-16

FLASH MEMORY DRAM

/CS0

/CS0/CS2/CS2

A[0..18]

/LCAS/UCAS

/RAS

D+5

DGND

/CS0/CS2

/EPROM

/WR

RDWR

/RD

A1A2A3A4A5A6A7A8A9

A11

A13A14A15A16

A10

A12

A17A1A2A3A4 A5

A6A7A8A9

D0D1D2D3D4D5D6D7D8D9D10D11D12D13D14D15

D0D1D2D3

D4D5D6D7 D8

D9D10D11

D12D13D14D15

A[0..18]

D[0..15]

/CS

_EP

RO

M

/CS_FLMEM

A10

A18

/WR/RAS

RDWR

/RD

D+5 D+5

D+5

D+5

D+5

D+5

DGND

DGND GNDDGND

DGND

DGND

R87

10K

R88 NON

C96

0.01

C970.01

1A2 1Y 4

1B3

2A5 2Y 7

2B6

3A11 3Y 9

3B10

4A14 4Y 12

4B13

A/B1

G15VCC 16

U29

74VHC157

123456789

101112131415161718192021 22

2324252627282930313233343536373839404142VCC

I/O0I/O1I/O2I/O3VCCI/O4I/O5I/O6I/O7NCNCWERASNCNCA0A1A2A3VCC VSS

A4A5A6A7A8A9OE

UCASLCAS

NCI/O8I/O9

I/O10I/O11VSS

I/O12I/O13I/O14I/O15VSS

U33HM51W18160J/ALJ

A025

A124

A223

A322

A421

A520

A619

A718

A88

A97

A106

A115

A124

A133

A142

A151

A1648

29313335384042443032343639414345

282611

12

15

DQ0DQ1DQ2DQ3DQ4DQ5DQ6DQ7DQ8DQ9

DQ10DQ11DQ12DQ13DQ14DQ15

OECEWE

RESET

RY/BGBYTE 47VSS46 VSS27

VCC37

A1717

A1816

U30M29F400T-400

C1000.01

/EPROM

2345678910

1

J5A

121314151617181920

11

222324252627282930

21

323334353637383940

31

424344454647484950

41

FC 50P

A1A2A3A4A5A6A7A8A9

A10A11A12A13A14A15A16A17

A0

A18

D0D1D2D3D4D5D6D7

D8D9D10D11D12D13D14D15

/RST

D+5

DGND

A1A2A3A4 A5

A6A7A8A9

D0D1D2D3

D4D5D6D7 D8

D9D10D11

D12D13D14D15

A10

D+5

DGND

C82

0.01

VCC1

I/O02

I/O13

I/O24

I/O35

VCC6

I/O47

I/O58

I/O69

I/O710

NC11

NC12

WE13

RAS14

NC15

NC16

A017

A118

A219

A320

VCC21

VSS22A423A524A625A726A827A928OE29UCAS30LCAS31NC32I/O833I/O934I/O1035I/O1136VSS37I/O1238I/O1339I/O1440I/O1541VSS42

U1

HM51W18160J/ALJ

1

23

14

U2A74VHC00

4

56

U2B

74VHC00

9

108

U2C

74VHC00

12

1311

U2D

74VHC00

C3 D2

S4

R1

Q 5

Q6V

CC

14

U3A

74VHC74

C11 D12

S10

R13

Q 9

Q8

U3B

74VHC74

A11

C83 0.01

C84 0.01D+5

D+5

DGND

DGND

D+5

WR0

WR1

OE0OE1

DGND

/CS_ADAC1

/CS_ADAC2

/CS_ADAC1

/CS_ADAC2GR

MLRCK MLRCK

D[0..15]

Page 37: Service Manual Model - VF-16

37

VF

-16

GATE ARRAY, MAIN PCB, VF-16

3

1

2

4

5

6V

DD

1V

SS

2IO

RD

Y_O

3C

S_I

DE

4C

S5

A8

6A

77

A6

8A

59

A4

10A

311

A2

12A

113

A0

14V

SS

15V

SS

16D

1517

VD

D18

D14

19D

1320

D12

21D

1122

D10

23D

924

D8

25V

SS

26D

727

D6

28D

529

D4

30D

331

D2

32D

133

D0

34V

DD

35N

C36

NC37

VSS38

ATA_RES39

ATA_D740

ATA_D841

ATA_D642

ATA_D943

VSS44

ATA_D545

ATA_D1046

ATA_D447

ATA_D1148

ATA_D349

ATA_D1250

ATA_D251

ATA_D1352

ATA_D153

VDD54

VDD55

ATA_D1456

ATA_D057

ATA_D1558

DMARQ59

DIOW60

DIOR61

IORDY_I62

DMACK63

VSS64

VSS65

INTRQ66

ATA_A167

ATA_A068

ATA_A269

CS1FX70

VSS71

VDD72

VD

D73

VS

S74

CS

3FX

75

DM

A_R

D76

DM

A_W

R77

SC

SI_

CS

78

SC

SI_

INT

79

SC

SI_

DR

EQ

80

SC

SI_

A3

81

SC

SI_

A4

82

SC

SI_

A5

83

AD

_DAT

A_1

284

AD

_DAT

A_3

485

AD

_DAT

A_5

686

AD

_DAT

A_7

887

AD

_DAT

A_L

R88

VS

S89

VD

D90

DA

_DAT

A_1

291

DA

_DAT

A_3

492

DA

_DAT

A_5

693

DA

_DAT

A_7

894

DA

_DAT

A_L

R95

BC

K96

LRC

K97

MC

LK98

VS

S99

XO

110

0

XI1

101

VD

D10

2

VS

S10

3

XO

210

4

XI2

105

VD

D10

6

VS

S10

7

NC

108

NC109NC 110

SLAVE_MLRCK 111SLAVE_MSCK 112VARI_FS 113VARI_256FS 114

VDD 115VSS 116EXT_MCLK1 117PD1 118

FCONT1 119PLL_SEL 120PD2 121FCONT2

122EXT_MCLK2 123TEST124DIGITAL_IN_1 125DIGITAL_OUT_1126DIGITAL_IN_2 127DIGITAL_OUT_2128VDD 129TCK2130TST2 131TCRC132SLAVE 133

RST 134ATA_DREQ 135VSS 136DACK_I 137

MLRCK 138ATA_INT 139NC 140RD 141WR 142VSS 143

VDD 144

1 2

14

34 56 111098

12345678

13 12

DATA IN(OPT)GND

D+5

CPU

CPU

CPU

CPU

CPU

POWER

POWER

DSP

CPU

SC_INT7I

SCSI

VCO

J3

GPIF37R1

U5GA2

R5 100

R6 100

C2110/16

C220.01

C230.01

C240.01

C250.01

R810K

R9

5.6K

C2610/16

R103.3K

R112.2K

C27470p

C28100p

R12100

C29NON

R13 BEAD-3BB102

C30

470P

U6A74VHCU04

U6B

74VHCU04

C3122p

C3222p

X122.5792MHz

R14 1M

R150

U6C74VHCU04

C330.01

C340.01

R16

330

R951K

R961K

U6E

74VHCU04

C99

non

SLAVE

R98

100

R18non X2

non

C35non

R17 1M

C36non

U6D74VHCU04

R1

100x4

DSP

DSP

U6F

74VHCU04

CPU

CPU

CPU

R80non

R79BEAD-3BB102

R7non

/ATA_RST

DMARQ

/PDIAG

/CS1FX

/CS3FX

/DMA_RD/DMA_WR/SCSI_CS

/SCSI_DREQ

D+5

DGND

INTRQ

/DMACKIORDY_I

SCSI_TMOUT

ATA[0..4]

DMA_SEL

SC_INT7I

DD[0..17]

/WR/RD

/CS_IDE

VCOGNDVCO+5

PLL_SELFCONT1PD1EXT_MCLK1

512FSEXT_LRCK

VARI_FSVARI_256FS

D+5DGND

VARI/EXT

/RD2/WR

D[0..15]

/RST

D+5

DGND

VCO+5A[0..18]

/CS_IDE

DA_D[1..4]

/ATA_INT1MLRCK/DACK1

/DREQ1

BCK

LRCK

MSCK

IORDY1

SCSI_TMOUT

SCSI_CSDMA_SEL

SC_INT7I AD_D[1..5]

VCOGND/CS1

DMARQ

/DMACK

INTRQ/PDIAG

/CS1FX

/CS3FX

A[0..18]

D[0..15]

/ATA_RSTDD7DD8DD6DD9

DD5

DD4

DD3

DD1

DD0DD15

DD14

DD13DD2DD12

DD11

DD10

DD[0..17]

DA_D1DA_D2

/DMA_RD/DMA_WR/SCSI_CS

/SCSI_DREQ

DA_D[1..4]

ATA[0..4]

IORDY_I

ATA3ATA4

DMA_SEL

AD_D[1..5]

D+5

D+5

VCO+5

D+5

D+5

D+5

D+5

VCO+5

D+5

DGND

DGND

DGND

DGND

DGND

DGND

DGNDDGND

GND

DGND

VCOGND

VCOGND

D+5DGND

A[0..18]

D[0..15]/CS_GA2_M/CS1

/WR

DSP_SEL_ADSP_SEL_BDSP_SEL_C

SEL_CONT_LSEL_CONT_R

F_SEL_AF_SEL_B

P_ON/OFF

/CS_ADAC1/CS_ADAC2

MLRCK

MSCK

SIN1_[1..4]SIN2_[1..4]

AD_D[1..5]

/RD2/RST

BCK

BCK64

LRCK

ST_ADD

AUX_DOUT[1..3]AUX_DOUT

ST_DIN

SIN_SEL[1..4]

D+5

DGND

A[0

..18]

D[0

..15]

/WR/RD2

/RST

/CS1/CS_IDEIORDY1

DA_D3DA_D4

DGND

EXT_LRCK

AD

_D1

AD

_D2

AD

_D3

AD

_D4

AD

_D5

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

A1

A2

A3

A4

A5

A6

A7

A8

A9

ATA

0

ATA

1

ATA

2

SEL_CONT_LSEL_CONT_R

SEL_CONT_LSEL_CONT_R

DSP_SEL_ADSP_SEL_BDSP_SEL_C

DSP_SEL_CDSP_SEL_BDSP_SEL_A

P_ON/OFFP_ON/OFF

F_SEL_AF_SEL_B

F_SEL_AF_SEL_B

512FS512FS

D+5

/WR/RD

/CS_IDE

/CS_ADAC1/CS_ADAC2

/CS_ADAC1/CS_ADAC2

VARI_256FSSIN2_[1..4]SIN1_[1..4] SIN1_[1..4]

SIN2_[1..4]

AD_D[1..5]

BCK64

AUX_DOUT[1..3]AUX_DOUTST_ADDST_DIN

AUX_DOUT[1..3]AUX_DOUT

ST_DINST_ADD

SIN_SEL[1..4]SIN_SEL[1..4]

BCK64

LRCKBCKMSCK

MLRCK

D+5

DGND

VARI/EXT

/RD

Page 38: Service Manual Model - VF-16

38 VF

-16

SCSI I/F, MAIN PCB, VF-16

/BSY/ACK/RES

/MSG/SEL/C/D/REQ

/I/O

/ATN

/SEL/BSY/ACK/ATN

/RES/I/O/C/D/MSG/REQ

/DBP/DB0/DB1/DB2

/DB3/DB4/DB5/DB6/DB7

POWER

GA

GA

GA

GA

GA

GA

CPU

/IOCS16

/DASP

KEYPIN

CPU

J12

TO IDE HD

SCSI

DMACK

/DMA_RD/DMA_WR

/SCSI_CS

/SCSI_DREQ

D+5

DGND

ATA[0..4]

DD[0..17]

/ATA_RST

/WR

/RD

/DMACK

DMARQ

INTRQ

/PDIAG/CS1FX/CS3FX

IORDY_I

SCSI_TMOUT

SC_INT7I

DMA_SEL

/ATA_RSTDGNDDD7DD8DD6DD9DD5DD10DD4DD11DD3DD12DD2DD13DD1DD14DD0DD15DGND

DMARQDGND/DIOWDGND/DIORDGNDIORDY

/DMACK

DGNDINTRQ

ATA1/PDIAGATA0ATA2/CS1FX/CS3FX

DGND

DMA_RDBDMA_WRB

SC_DREQB

20MHZ

/SCSI_CS

S7S6S4

S1S8S2S0

S3

S[0..17]

S9S10S11S12

S13S14S15S16S17

S8S7S6S5

S4S3S2S1S0

S9

S17S16S15

S14S13S12S11

S10

DD[0..17]

S5

ATA[0..4]

ATA0

ATA1

ATA2

ATA3

ATA4

ATAD0

ATAD1

ATAD2

ATAD3

ATAD4

ATAD0ATAD1ATAD2ATAD3

ATAD4

ATAD[0..4]

SC_INT7I

DD[0..17]

S[0..17]

D+5

D+5

D+5

D+5

D+5

D+5

D+5

DGND

DGND

DGND

DGND

DGND

GND

DGND

DGND

WR1

RD2

VCC3

VSS4

CLK5

RESET6

INT7

MODE8

DBP9

VSS10

DB711

DB612

DB513

VCC14

VSS15

VSS16

DB417

DB318

DB219

DB120

VSS21

DB022

TEST123

TMOUT24

(OPEN)25

DM

A W

R26

DM

A R

D27

VC

C28

VS

S29

DM

A 0

30

LDM

DP

31

DM

D 0

32

DM

D 1

33

DM

D 2

34

DM

D 3

35

DM

D 4

36

DM

D 5

37

DM

D 6

38

DM

D 7

39

VS

S40

DM

D 8

41

DM

D 9

42

DM

D10

43

DM

D11

44

DM

D12

45

DM

D13

46

DM

D14

47

DM

D15

48

UD

MD

P49

DM

BH

E50

DMACK 51DREQ52VCC 53VSS54TP 55(OPEN)56TEST2 57I/O58VSS 59

REQ 60C/D 61SEL 62MSG 63VCC 64VSS 65VSS 66RES 67ACK 68BSY 69VSS 70ATN

71A0 72A173A2 74A375

CS

077

VC

C78

VS

S79

CS

180

LDP

81D

082

D1

83D

284

D3

85D

486

D5

87D

688

D7

89V

SS

90D

891

D9

92D

1093

D11

94D

1295

D13

96D

1497

D15

98U

DP

99B

HE

100

A4

76

U7

MB86604L

R19 4.7K

N.C.1

EN2

SCSI153

SCSI164

SCSI175

SCSI186

VSS7

SCSI18

SCSI29 SCSI9 18SCSI10 19

SCSI11 20SCSI1221SCSI13 22SCSI1423VM 24TSD25

SCSI310

SCSI411

SCSI512

VCC13 VCC 14SCSI6 15SCSI7 16SCSI8 17

U8

BH9595FP

C370.01

C380.01

C390.01

C400.01

R20NON

R21 100

R22 100

R23 100

R24 100

R25 100

C41NON

C42NON

C43NON

C44NON

C45NON

R26

0

C470.1

C4810/16

21D1

EK13

R294.7K

C4610/16

121314151617181920

11

222324252627282930

21

323334353637383940

31

FC-40P

2345678910

1

R28

NON

R27

0

DGND

12345678910111213141516171819202122232425

26272829303132333435363738394041424344454647484950

51

52

J6

D-SUB 50P

/DBP

/DB0/DB1/DB2/DB3/DB4/DB5/DB6/DB7

S9

S10S11S12S13S14

S16S17

S15

/REQ

/MSG

/C/D

/I/O

/RES

/ATN

/ACK/BSY

/SEL

S0

S1

S3

S4

S5

S6S7

S8S2

DGND

openreserved

reserved

reserved

reserved

/TPWR

/TPWR

1 2

14

U17A74VHCU04

3 4

U17B74VHCU04

5 6U17C

74VHCU04

9 8U17D

74VHCU04

11 10U17E

74VHCU04

13 12U17F

74VHCU04

R53

220

R54

1M

R55 1M

C140.01

C1533P

C1633P

C17

0.01

DD

0D

D1

DD

2D

D3

DD

4D

D5

DD

6D

D7

DD

8D

D9

DD

10D

D11

DD

12D

D13

DD

14D

D15

DD

16

DD

17

DD

0D

D1

DD

2D

D3

DD

4D

D5

DD

6D

D7

DD

8D

D9

DD

10D

D11

DD

12D

D13

DD

14D

D15

DD

16

DD

17

DGND

DGND

D+5

X420MHz

DGND

C9020.01

12

14

U904A74VHC04DGND

D+5

1

2 3

14

U34A 74VHC32

4

56

U34B 74VHC32

9

108

U34C 74VHC32

12

1311

U34D

74VHC32

/CS_IDE /CS_IDE

/CS_SCSI /WRC9230.01

DGND

D+5

R9310k

R9410k

DGND

Page 39: Service Manual Model - VF-16

39

VF

-16

VCO, MAIN PCB, VF-16

GR

GR

POWER

GR

GR

VCO+5

VCOGND

PD1

FCONT1

PLL_SEL

EXT_MCLK1

VCO+5

VCO+5

VCO+5

VCO+5

DGND

VCOGND

VCOGND

VCOGND

DGNDVCOGND

VCOGNDVCOGND

VCOGND

VCOGND

TP1TP

C490.01

C500.01

REF1

PD2

VDDA3

AMPI4

AMPO5

VSSA6

XI7

XO8

VSS9CKO 10M1 11M2 12S1 13S214LOCK 15VDD 16

U9

TC9246F

R301.5K

L4

22uH

C510.01

R32220K

C570.01

C580.47

13001

R34BEAD-3BB102

C5910/16

C600.1

TP2TP

C610.01

C620.01

C6310/16

REF1

PD2

VDDA3

AMPI4

AMPO5

VSSA6

XI7

XO8 VSS 9CKO10M1 11M2 12S1 13S2 14LOCK15VDD 16

U10

TC9246F

R35750

C6415p

R368.2k

C650.47

R37non

R38330

R39 10K

R40100

L6

22uH

R41BEAD-3BP121

C660.01

C670.01

R42

22k

C680.1

C5215P

R31100

C190.01

R2

BEAD-3BB102512FS DSP512FS

C710/16

DIF LOCK

VARI LOCK

DGND

C11D 12

S10

R13

Q9

Q8

U36B

74VHC74

VARI_256FS

DGND

DGND

D+5

C54 0.01

C53

0.01

VARI_FS

EXT_LRCKEXT_LRCK

R3

BEAD-3BB102

1

23

14

U35A 74VHC00

4

56

U35B

74VHC009

108

U35C

74VHC00

12

1311

U35D

74VHC00

VARI/EXT

D+5

C3 D2

S4

R1

Q 5

Q6V

CC

14

U36A

74VHC74

D+5

VARI_512FS

DGND

D+5

D+5

DGND

GND DGND

Page 40: Service Manual Model - VF-16

40 VF

-16

SLAVE GR, MAIN PCB, VF-16

P_D[0..7]

A[0..18]

A11

A10

CPU/CS1/CS1

/CS_GA2_M /CS_GA2_M

DGND

D+5

C560.01

C55

0.01 DGND

D+5

DGND

SEL_CONT_LSEL_CONT_R

SEL_CONT_LSEL_CONT_R

DSP_SEL_ADSP_SEL_BDSP_SEL_C DSP_SEL_C

DSP_SEL_BDSP_SEL_A

P_ON/OFF P_ON/OFF

F_SEL_AF_SEL_B

F_SEL_AF_SEL_B

D+5

/CS_ADAC1/CS_ADAC2

/CS_ADAC1/CS_ADAC2

1D 31Q2

2D 42Q5

3D 73Q6

4D 84Q9

5D 135Q12

6D 146Q15

7D 177Q16

8D 188Q19

CK 11

CLR 1VCC20

U38

74VHC273D+5

D+5

DGND

GND DGND

CPU

GR

C 3

A 1

B2

G2A 4

G2B5

G16

VCC 16

Y77 Y69 Y5

10 Y411 Y312 Y213 Y114 Y015

U37

74VHC138

A12

DGND

1

23

14

U41A74VHC32

4

56

U41B

74VHC32

12

1311

U41D

74VHC32

DGND

C850.01

DGND

D+5

CPU

CPU

CPU

/RD2/WR

D[0..15]

/RST

A[0..18]

AD_D[1..5]

A[0..18]

D[0..15]

DA_D[5..8]

AD_D[1..5]

D+5

DGND

VD

D1

VS

S2

IOR

DY

_O3

CS

_ID

E4

CS

5A

86

A7

7A

68

A5

9A

410

A3

11A

212

A1

13A

014

VS

S15

VS

S16

D15

17V

DD

18D

1419

D13

20D

1221

D11

22D

1023

D9

24D

825

VS

S26

D7

27D

628

D5

29D

430

D3

31D

232

D1

33D

034

VD

D35

NC

36

NC37

VSS38

ATA_RES39

ATA_D740

ATA_D841

ATA_D642

ATA_D943

VSS44

ATA_D545

ATA_D1046

ATA_D447

ATA_D1148

ATA_D349

ATA_D1250

ATA_D251

ATA_D1352

ATA_D153

VDD54

VDD55

ATA_D1456

ATA_D057

ATA_D1558

DMARQ59

DIOW60

DIOR61

IORDY_I62

DMACK63

VSS64

VSS65

INTRQ66

ATA_A167

ATA_A068

ATA_A269

CS1FX70

VSS71

VDD72

VD

D73

VS

S74

CS

3FX

75

DM

A_R

D76

DM

A_W

R77

SC

SI_

CS

78

SC

SI_

INT

79

SC

SI_

DR

EQ

80

SC

SI_

A3

81

SC

SI_

A4

82

SC

SI_

A5

83

AD

_DAT

A_1

284

AD

_DAT

A_3

485

AD

_DAT

A_5

686

AD

_DAT

A_7

887

AD

_DAT

A_L

R88

VS

S89

VD

D90

DA

_DAT

A_1

291

DA

_DAT

A_3

492

DA

_DAT

A_5

693

DA

_DAT

A_7

894

DA

_DAT

A_L

R95

BC

K96

LRC

K97

MC

LK98

VS

S99

XO

110

0

XI1

101

VD

D10

2

VS

S10

3

XO

210

4

XI2

105

VD

D10

6

VS

S10

7

NC

108

NC 109NC 110SLAVE_MLRCK 111

SLAVE_MSCK 112VARI_FS113VARI_256FS 114VDD115VSS 116EXT_MCLK1117PD1 118FCONT1119PLL_SEL 120PD2121FCONT2 122EXT_MCLK2123TEST 124

DIGITAL_IN_1 125DIGITAL_OUT_1 126DIGITAL_IN_2 127DIGITAL_OUT_2 128

VDD 129TCK2 130TST2 131TCRC 132

SLAVE 133RST 134ATA_DREQ 135VSS

136DACK_I 137MLRCK138ATA_INT 139NC140RD 141WR142VSS 143VDD144

U4GA2

C9110/16

C9250.01

C9260.01

C9270.01

C9280.01

C929

non

/WR/RD2

/RST

12345678

R923

100x4

AD

_D1

AD

_D2

AD

_D3

AD

_D4

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

A1

A2

A3

A4

A5

A6

A7

A8

A9

/CS_GA2_S

P_D0P_D1P_D2P_D3P_D4P_D5P_D6P_D7

P_D0

P_D1

P_D2

P_D3

P_D4

P_D5

P_D6

P_D7

MLRCKMSCK

VD

D1

DS

P_S

O1

2

DS

P_S

O2

3

DS

P_S

O3

4

DS

P_S

O4

5

KE

Y_S

O6

nRS

T_D

SP

17

nRS

T_D

SP

28

nRS

T_D

SP

39

nRS

T_D

SP

410

nWR

Q1

11

nWR

Q2

12

nWR

Q3

13

nWR

Q4

14

SC

LK1

15

SC

LK2

16

SC

LK3

17

SC

LK4

18

DS

P_S

I20

KE

Y_S

I21

nRS

T_D

SP

22

nWR

Q23

SC

LK24

SI 27

VD

D25

SO 28DSP_SEL_A 29DSP_SEL_B 30DSP_SEL_C 31/RST

32

ADD_IN1A77

ADD_IN1B78

ADD_IN1C79

ADD_IN2A80

ADD_IN2B81

ADD_IN2C82

ADD_IN3A83

ADD_IN3B84

ADD_IN3C85

ADD_OUT186

ADD_OUT287

ADD_OUT388899091

SEL_CONT1L92

SEL_CONT1R93

SEL_CONT2L94

SEL_CONT2R95

SEL_CONT3L96

SEL_CONT3R97

SEL_CONT4L98

SEL_CONT4R99

VSS100

VSS76

VD

D51

VD

D75

VSS 26

VSS 50

BCK32_IN4 45

BC

K32

_OU

T1

53B

CK

32_O

UT

254

BC

K32

_OU

T3

55B

CK

32_O

UT

456

BC

K32

_OU

T5

57B

CK

64_I

N5

58B

CK

64_I

N4

59B

CK

64_I

N3

60B

CK

64_I

N2

61B

CK

64_I

N1

62S

EL_

OU

T1

63S

EL_

OU

T2

64S

EL_

OU

T3

65S

EL_

OU

T4

66S

EL_

IN1A

67S

EL_

IN1B

68S

EL_

IN2A

69S

EL_

IN2B

70S

EL_

IN3A

71S

EL_

IN3B

72S

EL_

IN4A

73S

EL_

IN4B

74

SC

LK_K

EY

19

RDY_DSP 33RDY_DSP134RDY_DSP2 35RDY_DSP336RDY_DSP4 37

BCK64 47FS64OUT 48

BCK64_OUT138BCK64_OUT2 39BCK64_OUT340BCK64_OUT4 41BCK32_IN142BCK32_IN2 43

BCK32_IN3 44

LRC

K52

BCK32 46

FS256 49

U911

SAA

D+5

DGND

C9330.01

C9340.01

C9310.01

C9320.01DGND

D+5

DA_D5DA_D6DA_D7DA_D8

12

34

56

78

R921100x4

DA_D5DA_D6DA_D7DA_D8

BCK64BCK

LRCK

SIN2_[1..4]

SIN1_[1..4]SIN1_[1..4]

SIN2_[1..4]

SIN2_1SIN2_2SIN2_3SIN2_4

SIN1_1SIN1_2SIN1_3SIN1_4

C860.01

1D 31Q2

2D4

2Q5

3D 73Q6

4D 84Q9

5D 135Q12

6D 146Q15

7D 177Q16

8D 188Q19

CK 11

CLR 1VCC20

U42

74VHC273D+5

D+5

DGND

P_D0P_D1P_D2P_D3P_D4P_D5P_D6P_D7

IN_SEL_L1

IN_SEL_L2

IN_SEL_L3

IN_SEL_L4

IN_SEL_R1

IN_SEL_R2

IN_SEL_R3

IN_SEL_R4

C930470p

DGND

C935470p

DGND

12

34

56

78

R922100x4

TRK_D5TRK_D6TRK_D7TRK_D8

DSP

DSP

DSP

DSP

DSP

CPU

POWER

GR

GR

/WR

AUX_DOUT[1..3]

AUX_DOUTST_ADD

ST_DIN

AUX_DOUT[1..3]

AUX_DOUT

ST_DIN

ST_ADD 1 23 45 67 8

R924 100x4

DSP

DSP

SIN1_1

SIN1_2

SIN1_3

SIN1_4

AUX_DOUT1AUX_DOUT2AUX_DOUT3

DGND

DGND

GR

1

23

14

U43A74VHC084

56

U43B74VHC08

9

108

U43C74VHC08

12

1311

U43D74VHC08

C87 0.01

LRCK

DGND

D+5

SIN_SEL1

SIN_SEL2

SIN_SEL3

SIN_SEL4

SIN_SEL[1..4]CPUSIN_SEL[1..4]

/CS_EXT

R925non

C936non

DGND

/CS_EXT1/CS_EXT2

BCK

MSCK

BCK64

MLRCK

R926

0

/DIOW_EXT

D+5

W9020

W901non

DATA OUT(OPT)

D+5

DGND

1

2

3

4

5

6

J4

GPIF38T2

C200.01

R927100

AD

_D5

Page 41: Service Manual Model - VF-16

41

VF

-16

ROOT, DSP, MAIN PCB, VF-16

GR

GR

GR

AIN+[1..8]

AIN-[1..8]

D+5DSPDGND1

MSCK_DSP

LRCK_DSPBCK_DSP

/INIT_RST

ST_DOUT[1..4]

A+5DSPAGND

TRK_D[1..4]

R_BUS_EFF_OUT

RECBUS_DOUT3

EFF_DOUT[1..3]

ST_DINEFF_DINREC_BUS_IN

SIN1_4SIN1_3

DSP_SI

DRDY_DSP[1..4]RDY_DSP[1..4]

SO_DSP[1..4]

SCLK_DSP[1..4]/WRQ_DSP[1..4]/RST_DSP[1..4]

D+5DGND

AUX_DOUT3

/CODEC_RST

DSP 2AUX_OUT+L

AUX_OUT_LAUX_OUT_R

ST_OUT_L

ST_OUT_R

AUX_OUT-LAUX_OUT+RAUX_OUT-R

AGNDA-15

A+15

MUTE

ST_OUT-RST_OUT+R

ST_OUT+LST_OUT-L

ANALOG OUT

D+5DSP

DGND1

DGND

MSCK

LRCK

BCK

D+5AGND

A+15

A+5DSP

A-15

TRK_D[1..4]

MSCK_DSP

LRCK_DSP

ST_DOUT[1..4]

MUTE

D+5DSP

D+5DSP

D+5

A+5DSP

A+15

A+15

A+5DSP

A+15

DGND1

DGND1

DGND GND

AGND

AGND

AGND

A-15

A-15

A-15DGND

R901 NONR903

BEAD-3BB102

R904100

R91510K

2 3

1

U903DTB114EK

2

1

3

U901

DTC114EK

13 12

U904F

74VHC0411 10U904E 74VHC04

9 8

U904D74VHC04

5 6

U904C 74VHC04

3 4

U904B74VHC04

L102

L202

13D901

C901

100/16R91410K

R91310K

2

1

3

U902DTC114EK

2 3D902

RB400D

AIN+[1..8]

AIN-[1..8]

A+5DSPAGND

AIN[1..8]

ANALOG INPUT

a_in.sch

TO INPUT AMP

A+15

A-15

AGND

AIN1AIN2AIN3AIN4AIN5AIN6AIN7AIN8

A+15

A-15+48

AGND

1234567891011121314151617

J901

FC 17P

L901

21

L101

21

L201

21

L301

21

L401

21

L501

21

L601

21

L701L801

L903

L904L905

AIN[1..8]

ST_DIN

EFF_DINREC_BUS_IN

R_BUS_EFF_OUT

RECBUS_DOUT[1..3]EFF_DOUT[1..3]

AIN+[1..8]

AIN-[1..8]

D+5DSPDGND1

MSCK_DSP

LRCK_DSPBCK_DSP

/INIT_RST

ST_DOUT[1..4]

A+5DSPAGND

TRK_D[1..4]

EFF_DOUT[1..3]RECBUS_DOUT[1..3]

SIN1_1SIN1_2

/RST_DSP[1..4]/WRQ_DSP[1..4]SCLK_DSP[1..4]

DSP_SI

SO_DSP[1..4]

RDY_DSP[1..4]DRDY_DSP[1..4]

AUX_OUT+LAUX_OUT-L

AUX_OUT-RAUX_OUT+R

ST_OUT+LST_OUT-L

ST_OUT+RST_OUT-R

EFF_DIN

SIN2_1SIN2_2SIN2_3SIN2_4

AUX_DOUT

AUX_DOUT1AUX_DOUT2

/CODEC_RST

DSP 1

D+5DSP

A+5DSP

DGND1

AGND

VD

D1

DS

P_S

O1

2

DS

P_S

O2

3

DS

P_S

O3

4

DS

P_S

O4

5

KE

Y_S

O6

nRS

T_D

SP

17

nRS

T_D

SP

28

nRS

T_D

SP

39

nRS

T_D

SP

410

nWR

Q1

11

nWR

Q2

12

nWR

Q3

13

nWR

Q4

14

SC

LK1

15

SC

LK2

16

SC

LK3

17

SC

LK4

18

DS

P_S

I20

KE

Y_S

I21

nRS

T_D

SP

22

nWR

Q23

SC

LK24

SI 27

VD

D25

SO 28DSP_SEL_A 29DSP_SEL_B 30DSP_SEL_C 31

/RST 32

ADD_IN1A77

ADD_IN1B78

ADD_IN1C79

ADD_IN2A80

ADD_IN2B81

ADD_IN2C82

ADD_IN3A83

ADD_IN3B84

ADD_IN3C85

ADD_OUT186

ADD_OUT287

ADD_OUT388899091

SEL_CONT1L92

SEL_CONT1R93

SEL_CONT2L94

SEL_CONT2R95

SEL_CONT3L96

SEL_CONT3R97

SEL_CONT4L98

SEL_CONT4R99

VSS100

VSS76

VD

D51

VD

D75

VSS26

VSS 50

BCK32_IN445

BC

K32

_OU

T1

53B

CK

32_O

UT

254

BC

K32

_OU

T3

55B

CK

32_O

UT

456

BC

K32

_OU

T5

57B

CK

64_I

N5

58B

CK

64_I

N4

59B

CK

64_I

N3

60B

CK

64_I

N2

61B

CK

64_I

N1

62S

EL_

OU

T1

63S

EL_

OU

T2

64S

EL_

OU

T3

65S

EL_

OU

T4

66S

EL_

IN1A

67S

EL_

IN1B

68S

EL_

IN2A

69S

EL_

IN2B

70S

EL_

IN3A

71S

EL_

IN3B

72S

EL_

IN4A

73S

EL_

IN4B

74

SC

LK_K

EY

19

RDY_DSP 33RDY_DSP1 34RDY_DSP2 35RDY_DSP3 36RDY_DSP4 37

BCK6447FS64OUT 48

BCK64_OUT1 38BCK64_OUT239BCK64_OUT3 40BCK64_OUT441BCK32_IN1 42BCK32_IN243BCK32_IN3 44

LRC

K52

BCK32 46

FS25649

U905

SAA

AUX_OUT+LAUX_OUT-L

AUX_OUT-RAUX_OUT+R

ST_OUT+LST_OUT-L

ST_OUT-RST_OUT+R

AIN+[1..8]

AIN-[1..8]

DSP_SI

SCLK_DSP[1..4]

/WRQ_DSP[1..4]

DRDY_DSP[1..4]

RDY_DSP[1..4]

SO_DSP[1..4]

/RST_DSP[1..4]

DSP_SEL_ADSP_SEL_BDSP_SEL_C

SO

DSP_SEL_CDSP_SEL_BDSP_SEL_ASO

TRK_D1TRK_D2TRK_D3TRK_D4

DA_D1DA_D2DA_D3DA_D4

DA_D[1..4]

AD

_D1

AD

_D2

AD

_D3

AD

_D4

AD

_D5

BCK_DSPMSCK_DSP

LRCK_DSP

RE

CB

US

_DO

UT

1R

EC

BU

S_D

OU

T2

SIN

1_1

SIN

1_2

SIN

1_3

SIN

1_4

AD_D[1..5]

EFF_DINREC_BUS_IN

ST_DOUT3

ST_DOUT1ST_DOUT2ST_DOUT4EFF_DOUT1EFF_DOUT2EFF_DOUT3

D+5

DGNDDGND

D+5

AD_D[1..5] DA_D[1..4]

SEL_CONT_LSEL_CONT_R

SEL_CONT_LSEL_CONT_R

DRDY_DSP[1..4]

RDY_DSP

SISCLK_DSP/WRQ_DSP/RST_DSPKEY_SIKEY_SI

KEY_SOKEY_SO

DRDY_DSP[1..4]

RDY_DSP

/RST_DSP/WRQ_DSPSCLK_DSP

SI

/INIT_RST /INIT_RST

AUX_OUT_LAUX_OUT_R

ST_OUT_L

ST_OUT_R

A+5DSP

AGND

1R3

4L2

J902YKB21-5074

L302

L402

AGND

R906

100

12345678

R907

100x4

12

34

56

78

R908100x4

12

34

56

78

R909100x4

R910100

C9080.01

C9090.01

C9100.01

C9110.01

C91210/16

D+5

DGND

CPU

GR

CPU

CPU

GR

GR

MUTE

/RST/RST

SCLK_KEYSCLK_KEY

C915470p

DGND

+48

/MUTE

L906

L907

J901-1

J901-12

J901-13

ST_OUT_L

ST_OUT_R

CPU

POWER

D+5

DGND

BCK

512FS

MSCK

512fs64fs

SC

LK_D

SP

1S

CLK

_DS

P2

SC

LK_D

SP

3S

CLK

_DS

P4

/WR

Q_D

SP

1/W

RQ

_DS

P2

/WR

Q_D

SP

3/W

RQ

_DS

P4

/RS

T_D

SP

1/R

ST

_DS

P2

/RS

T_D

SP

3/R

ST

_DS

P4

SO

_DS

P1

SO

_DS

P2

SO

_DS

P3

SO

_DS

P4

RDY_DSP1RDY_DSP2RDY_DSP3RDY_DSP4

RDY_DSP

+48

D+5

FRAME2

C9050.1

1

2

3

4

5

J903RCA2 YKC21-3079

SIN1_[1..4]

SIN2_[1..4] SIN2_[1..4]

SIN1_[1..4] SIN1_1SIN1_2

SIN1_3SIN1_4SIN2_1

SIN2_2SIN2_3SIN2_4GR

GR

BCK64GR

RECBUS_DOUT3

RE

CB

US

_DO

UT

3

ST_DIN

ST_ADD ST_ADD

AUX_DOUTAUX_DOUTAUX_DOUT[1..3]

AUX_DOUT[1..3]

GR

GRAUX_DOUT1AUX_DOUT2 AUX_DOUT3

/CODEC_RST

/CODEC_RST

/MSCK

R928BEAD-3BB102

Page 42: Service Manual Model - VF-16

42 VF

-16

ANALOG IN, MAIN PCB, VF-16

A+5DSP

AGND

VBIAS

VBIAS

A+5DSP

A+5DSP

A+5DSP

A+5DSP

A+5DSP

A+5DSP

A+5DSP

A+5DSP

A+5DSP

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AGND

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

AIN8

AIN[1..8]AIN[1..8]

AIN+1

AIN+2

AIN+3

AIN+4

AIN+5

AIN+6

AIN+7

AIN+8

AIN-1

AIN-8

AIN-7

AIN-6

AIN-5

AIN-4

AIN-3

AIN-2

AIN+[1..8]

AIN-[1..8]

AIN+[1..8]

AIN-[1..8]

VBIAS

A+5DSP

AGND

2

3

84

1

2

3

84

1

2

3

84

1

2

3

84

1

2

3

84

1

2

3

84

1

2

3

84

1

2

3

84

1

5

67

5

67

5

67

5

67

5

67

5

67

5

67

5

67

C10110/16

C20110/16

C30110/16

C40110/16

C50110/16

C60110/16

U101ANJM2115

U201ANJM2115

U301ANJM2115

U401ANJM2115

U501ANJM2115

U601ANJM2115

R60410K

R50410K

R10410K

R20410K

R30410K

R40410K

R105330

R106330

C1020.0015

R205330

R206330

C2020.0015

R305330

R306330

C3020.0015

R405330

R406330

C4020.0015

R505330

R506330

C5020.0015

R605330

R606330

C6020.0015

C1030.01

C1040.01

C2030.01

C2040.01

C3030.01

C3040.01

C4030.01

C4040.01

C6040.01

C603

0.01

C5040.01

C5030.01

R10133k

R20133k

R30133k

R40133k

R50133k

R60133k

R102 4.7k

R2024.7k

R3024.7k

R4024.7k

R5024.7k

R6024.7k

C70110/16

R70118k

C7030.01

R70210k

U701ANJM2115

C7040.01

R70410K

R706330

R705330

C7020.0015

C80110/16

R80118k

C8030.01

R80210k

U801ANJM2115

C8040.01

R80410K

R806330

R805330

C8020.0015

R207100K

R107100K

R307100K

R407100K R807

100K

R707100K

R607100K

R507100K

R103

10K

R20310K

R30310K

R40310K

R80310K

R70310K

R60310K

R50310K

C107NON C106

NON

C207NON C206

NON

C307NON C306

NON

C407NON C406

NON

C507NON C506

NON

C607NON C606

NON

C707NON C706

NON

C807NON C806

NON

+2dBv G= -17dB

-15dBV

C9030.01

C904180/16LXV

R9111K

R9121K

(G= -16.92dB)

(-14.83dBv)

-15dBV(-14.83dBv)

C922180/16LXV

(G= -5.1dB)G= -5dB

U101BNJM2115

U201BNJM2115

U301BNJM2115

U401BNJM2115

U501BNJM2115

U601BNJM2115

U701BNJM2115

U801BNJM2115

Page 43: Service Manual Model - VF-16

43

VF

-16

DSP1, MAIN PCB, VF-16

U151

AK7716

TESTI11

/INIT_RESET2

/CODEC_RESET3

/DSP_RESET4

SMUTE5

DVB6

SDINA7

SDOUTA8

SDOUTD19

SDIND110

SDIND211

SDOUTD212

SDOUT113

SDOUT214

SDIN115

SDIN216

LRCK17

BITCLK18

CLKO19

CTRL20

DVDD21

DVSS22

OPCL23

XTI24

XTO25

SM

OD

E26

EE

SE

L27

JX28

/RQ

29

SC

LK30

SI

31

SO

32

RD

Y33

DR

DY

34

EE

ST

35

DV

SS

36

DV

DD

37

/CA

S38

/RA

S39

/WE

40

A0

41

A1

42

A2

43

A3

44

A4

45

A5

46

A6

47

A7

48

DV

SS

49

DV

DD

50

A8 51A9 52A10 53A11 54A12 55A13 56A14 57A15 58A16 59/OE 60IO0 61IO1 62IO2 63IO3 64IO4

65IO5 66IO6 67IO7 68DVSS 69DVDD70DVB 71EEDO 72EEDI 73EESK 74EECS75A

OU

TR

2-76

AO

UT

R2+

77N

C78

AO

UT

L2-

79A

OU

TL2

+80

NC

81A

OU

TR

1-82

AO

UT

R1+

83N

C84

AO

UT

L1-

85A

OU

TL1

+86

NC

87V

RD

AL

88A

VS

S89

AV

DD

90A

RD

AH

91V

CO

M92

VR

AD

L93

AV

SS

94A

VD

D95

VR

AD

H96

AIN

R-

97A

INR

+98

AIN

L-99

AIN

L+10

0

TESTI11

/INIT_RESET2

/CODEC_RESET3

/DSP_RESET4

SMUTE5

DVB6

SDINA7

SDOUTA8

SDOUTD19

SDIND110

SDIND211

SDOUTD212

SDOUT113

SDOUT214

SDIN115

SDIN216

LRCK17

BITCLK18

CLKO19

CTRL20

DVDD21

DVSS22

OPCL23

XTI24

XTO25

SM

OD

E26

EE

SE

L27

JX28

/RQ

29

SC

LK30

SI

31

SO

32

RD

Y33

DR

DY

34

EE

ST

35

DV

SS

36

DV

DD

37

/CA

S38

/RA

S39

/WE

40

A0

41

A1

42

A2

43

A3

44

A4

45

A5

46

A6

47

A7

48

DV

SS

49

DV

DD

50

A8 51A9 52A10 53A11 54A12 55A13 56A14 57A15 58A16 59/OE 60IO0 61IO1 62IO2 63IO3 64IO4

65IO5 66IO6 67IO7 68DVSS 69DVDD70DVB 71EEDO 72EEDI 73EESK 74EECS75A

OU

TR

2-76

AO

UT

R2+

77N

C78

AO

UT

L2-

79A

OU

TL2

+80

NC

81A

OU

TR

1-82

AO

UT

R1+

83N

C84

AO

UT

L1-

85A

OU

TL1

+86

NC

87V

RD

AL

88A

VS

S89

AV

DD

90A

RD

AH

91V

CO

M92

VR

AD

L93

AV

SS

94A

VD

D95

VR

AD

H96

AIN

R-

97A

INR

+98

AIN

L-99

AIN

L+10

0

U251

AK771612345678

R151

100x4

12345678

R251

100x4

R252

100

C151

0.1

C152

0.1

C153

0.1

C154

0.1

C158 0.1

AVDD

AVDD

VRDAH

VRADH

DVB DVB

C15710/16

C15910/16

C2510.1

C2530.1

C2540.1

C258

0.1

AVDDVRDAH

DVB DVB

C25710/16

C25910/16

C2610.1

C2620.1

C2630.1

C2640.1

C1610.1

C1620.1

C1630.1

C1640.1

C16510/16

C26510/16

DSP1

C918470p

C919470p

512fs64fs

GRGR

GR

R152

100

C945non

C946non

C949

non

C950non

D+5DSP

DGND1

MSCK_DSP

LRCK_DSPBCK_DSP

/INIT_RST

AGND

A+5DSP

D+5DSPA+5DSP

DGND1AGND

D+5DSP

DGND1

D+5DSP

DGND1

D+5DSP

DGND1

D+5DSP

DGND1

AIN+[1..8]

AIN-[1..8]

MSCK_DSP

LRCK_DSPBCK_DSP

AIN+[1..8]

AIN-[1..8]

AIN

+1

AIN

+2

AIN

+3

AIN

+4

AIN

-4

AIN

-3

AIN

-2

AIN

-1

TRK_D[1..4]

ST_DOUT[1..4]

RECBUS_DOUT[1..3]

EFF_DOUT[1..3]

TR

K_D

1

TRK_D2SIN1_1

ST

_DO

UT

1

ST_DOUT2

EF

F_D

OU

T1

EFF_DOUT2

RE

CB

US

_DO

UT

1

AUX_DOUT1RECBUS_DOUT2AUX_DOUT2

DSP_SI

SC

LK_D

SP

1

SC

LK_D

SP

2

/WR

Q_D

SP

1

/WR

Q_D

SP

2

/RST_DSP1 /RST_DSP2

/RST_DSP[1..4]

/WRQ_DSP[1..4]

SCLK_DSP[1..4]

SO_DSP[1..4]

DRDY_DSP[1..4]

RDY_DSP[1..4]

DR

DY

_DS

P1

DR

DY

_DS

P2

RD

Y_D

SP

1

RD

Y_D

SP

2

SO

_DS

P1

SO

_DS

P2

/RS

T_D

SP

2

/RS

T_D

SP

1

DSP_SI

AGND

A+5DSP

AGND

A+5DSPA+5DSP

/INIT_RST

AGND

A+5DSP

AGND

A+5DSP

A+5DSP

TRK_D[1..4]

ST_DOUT[1..4]

EFF_DOUT[1..3]

RECBUS_DOUT[1..3]

SIN

2_4

SIN

2_3

SIN2_3SIN2_4

DGND1 DGND1

DRDY_DSP[1..4]

RDY_DSP[1..4]

AUX_OUT+LAUX_OUT-L

AUX_OUT-RAUX_OUT+R

ST_OUT+R

ST_OUT+LST_OUT-L

ST_OUT-R

AUX_OUT+LAUX_OUT-L

AUX_OUT-RAUX_OUT+R

ST_OUT+LST_OUT-L

ST_OUT-RST_OUT+R

/WRQ_DSP[1..4]

SCLK_DSP[1..4]

/RST_DSP[1..4]

SO_DSP[1..4]

AU

X_D

OU

T

ST

_DO

UT

3

AUX_DOUT

SIN1_1

SIN2_1

SIN2_2

SIN1_2

AUX_DOUT2

AUX_DOUT1

/CODEC_RST /CODEC_RST

DGND1DGND1

DGND1DGND1

C2520.1

AVDDVRDAH

Page 44: Service Manual Model - VF-16

44 VF

-16

DSP2, MAIN PCB, VF-16

TESTI11

/INIT_RESET2

/CODEC_RESET3

/DSP_RESET4

SMUTE5

DVB6

SDINA7

SDOUTA8

SDOUTD19

SDIND110

SDIND211

SDOUTD212

SDOUT113

SDOUT214

SDIN115

SDIN216

LRCK17

BITCLK18

CLKO19

CTRL20

DVDD21

DVSS22

OPCL23

XTI24

XTO25

SM

OD

E26

EE

SE

L27

JX28

/RQ

29

SC

LK30

SI

31

SO

32

RD

Y33

DR

DY

34

EE

ST

35

DV

SS

36

DV

DD

37

/CA

S38

/RA

S39

/WE

40

A0

41

A1

42

A2

43

A3

44

A4

45

A5

46

A6

47

A7

48

DV

SS

49

DV

DD

50

A8 51A9 52A10 53A11 54A12 55A13 56

A14 57A15 58A16 59/OE 60IO0 61IO1 62IO2 63IO3 64IO4 65IO5 66IO6

67IO7 68DVSS 69DVDD 70DVB 71EEDO72EEDI 73EESK 74EECS 75A

OU

TR

2-76

AO

UT

R2+

77N

C78

AO

UT

L2-

79A

OU

TL2

+80

NC

81A

OU

TR

1-82

AO

UT

R1+

83N

C84

AO

UT

L1-

85A

OU

TL1

+86

NC

87V

RD

AL

88A

VS

S89

AV

DD

90A

RD

AH

91V

CO

M92

VR

AD

L93

AV

SS

94A

VD

D95

VR

AD

H96

AIN

R-

97A

INR

+98

AIN

L-99

AIN

L+10

0

TESTI11

/INIT_RESET2

/CODEC_RESET3

/DSP_RESET4

SMUTE5

DVB6

SDINA7

SDOUTA8

SDOUTD19

SDIND110

SDIND211

SDOUTD212

SDOUT113

SDOUT214

SDIN115

SDIN216

LRCK17

BITCLK18

CLKO19

CTRL20

DVDD21

DVSS22

OPCL23

XTI24

XTO25

SM

OD

E26

EE

SE

L27

JX28

/RQ

29

SC

LK30

SI

31

SO

32

RD

Y33

DR

DY

34

EE

ST

35

DV

SS

36

DV

DD

37

/CA

S38

/RA

S39

/WE

40

A0

41

A1

42

A2

43

A3

44

A4

45

A5

46

A6

47

A7

48

DV

SS

49

DV

DD

50

A8 51A9 52A10 53A11 54A12 55A13 56

A14 57A15 58A16 59/OE 60IO0 61IO1 62IO2 63IO3 64IO4 65IO5 66IO6

67IO7 68DVSS 69DVDD 70DVB 71EEDO72EEDI 73EESK 74EECS 75A

OU

TR

2-76

AO

UT

R2+

77N

C78

AO

UT

L2-

79A

OU

TL2

+80

NC

81A

OU

TR

1-82

AO

UT

R1+

83N

C84

AO

UT

L1-

85A

OU

TL1

+86

NC

87V

RD

AL

88A

VS

S89

AV

DD

90A

RD

AH

91V

CO

M92

VR

AD

L93

AV

SS

94A

VD

D95

VR

AD

H96

AIN

R-

97A

INR

+98

AIN

L-99

AIN

L+10

0

A020

A119

A218

A317

A416

A515

A614

A713

A83

I/O0 21

I/O1 22

I/O2 23

I/O3 25

I/O4 26

I/O5 27

I/O6 28

I/O7 29

/OE 32

VSS24 /CE1 30CE26

/WE 5

VCC8

A92

A1031

A111

A1212

A134

A1411

A157

A1610

C9070.1

U351

AK7716

U451

AK7716U906

LC361000AMLL

C9060.01

12345678

R351 100x412345678

R451

100x4

C3510.1

C3530.1

C3540.1

C358

0.1

AVDDVRDAH

DVB DVB

C35710/16

C35910/16

C4510.1

C452

0.1C4530.1

C454

0.1

C458

0.1

AVDD

AVDD

VRDAH

VRADH

DVBDVB

C45710/16

C45910/16

C361

0.1

C362

0.1

C363

0.1

C364

0.1

C461

0.1

C462

0.1

C463

0.1

C464

0.1C46510/16

C36510/16

DSP2

(1M SRAM)

C916470p C917

470p

512fs64fs

R352

100

GR

GR

GR

C947non C948

non

C951

non C952

non

D+5DSP

DGND1

MSCK_DSP

LRCK_DSPBCK_DSP

/INIT_RST

AGND

A+5DSP

D+5DSPA+5DSP

DGND1

DGND

AGND

EFF_A[0..16]

EF

F_A

0E

FF

_A1

EF

F_A

2E

FF

_A3

EF

F_A

4E

FF

_A5

EF

F_A

6E

FF

_A7

EFF_A8EFF_A9EFF_A10EFF_A11EFF_A12EFF_A13EFF_A14EFF_A15EFF_A16

EFF_A0EFF_A1EFF_A2EFF_A3EFF_A4EFF_A5EFF_A6EFF_A7EFF_A8EFF_A9EFF_A10EFF_A11EFF_A12EFF_A13EFF_A14EFF_A15EFF_A16

EFF_D0EFF_D1EFF_D2EFF_D3EFF_D4EFF_D5EFF_D6EFF_D7

EFF_D0EFF_D1EFF_D2EFF_D3EFF_D4EFF_D5EFF_D6EFF_D7

EFF_D[0..7]

D+5

DGND

D+5

DGND

D+5DSP

DGND1

D+5DSP

DGND1

D+5DSP

DGND1

D+5DSP

DGND1

AIN+[1..8]

AIN-[1..8]

MSCK_DSP

LRCK_DSPBCK_DSP

AIN+[1..8]

AIN-[1..8]

AIN

+5

AIN

+6

AIN

+7

AIN

+8

AIN

-8

AIN

-7

AIN

-6

AIN

-5

TRK_D[1..4]

ST_DOUT[1..4]

ST_DIN

EF

F_D

INR

EC

_BU

S_I

N

R_B

US

_EF

F_O

UT

RE

CB

US

_DO

UT

3

EFF_DOUT[1..3]

TR

K_D

3

TRK_D4SIN3

SIN

4

ST

_DO

UT

3

ST

_DO

UT

4

EF

F_D

OU

T3

AGND

A+5DSP

AGND AGND

A+5DSP

AGND

DS

P_S

IS

CLK

_DS

P3

/WR

Q_D

SP

3

DR

DY

_DS

P3

RD

Y_D

SP

3S

O_D

SP

3

/RS

T_D

SP

3

DS

P_S

IS

CLK

_DS

P4

/WR

Q_D

SP

4

DR

DY

_DS

P4

RD

Y_D

SP

4S

O_D

SP

4

/RS

T_D

SP

4

A+5DSPA+5DSP

/INIT_RST

ST_DIN

SIN1_3

RECBUS_DOUT3

/RS

T_D

SP

4

A+5DSPA+5DSP

TRK_D[1..4]

ST_DOUT[1..4]

EFF_DOUT[1..3]

SIN1_4R_BUS_EFF_OUT

REC_BUS_INEFF_DIN

DSP_SI

DGND1DGND1

DGND

D+5

D+5

DGND

/RST_DSP[1..4]

/WRQ_DSP[1..4]

SCLK_DSP[1..4]

SO_DSP[1..4]

DRDY_DSP[1..4]

RDY_DSP[1..4]

DRDY_DSP[1..4]

RDY_DSP[1..4]

/WRQ_DSP[1..4]

SCLK_DSP[1..4]

/RST_DSP[1..4]

SO_DSP[1..4]

AUX_DOUT3

/CODEC_RST /CODEC_RST

DGND1

DGND1

C3520.1

AVDDVRDAH

Page 45: Service Manual Model - VF-16

45

VF-16

ANALOG OUT, MAIN PCB, VF-16

3

2

84

1

5

67

3

2

84

1

5

67

2

1

3

2

1

3

2

1

3

2

1

3

AGND

AUX_OUT+LAUX_OUT_L

A+15

AUX_OUT+RAUX_OUT_R

ST_OUT+LST_OUT_L

ST_OUT+RST_OUT_R

A-15

A+15

A-15

A+15

A-15AGND

AGND

AUX_OUT-L

AGND

AGND

AUX_OUT-R

A+15

A-15AGND

AGND

ST_OUT-L

AGND

AGND

ST_OUT-R

AGND

MUTE

AGND

AGND

AGND

AGND

-10dBv

C913

47/16

C91447/16

R111

3.9k

R112

3.9k

R1132.7k

C1190.0068

R115

200

C113

820p

R116 2.7k

C114

100/16R11747K

U102ANJM4565M

C1150.01

C116

0.01

R114

200

C112

820p

R211

3.9k

R212

3.9k

R2132.7k

C2190.0068 R215

200

C213

820p

R216 2.7k

C214

100/16R21747K

U102BNJM4565M

R214

200

C212

820p

R311

3.9k

R312

3.9k

R3132.7k

C3190.0068

R315

200

C313

820p

R316 2.7k

C314

100/16R31747K

U302ANJM4565M

C3150.01

C316

0.01

R314

200

C312

820p

R411

3.9k

R412

3.9k

R4132.7k

C4190.0068

R415

200

C413

820p

R416 2.7k

C414

100/16R41747K

U302BNJM4565M

R414

200

C412

820p

R118

100,1/10W

U103DTC314TK

R218

100,1/10W

U203DTC314TK

R318

100,1/10W

U303DTC314TK

R418

100,1/10W

U403DTC314TK

C117

47/16

C118

47/16

C217

47/16

C218

47/16

C317

47/16

C318

47/16

C417

47/16

C418

47/16

C1200.0068

C2200.0068

C3200.0068

C4200.0068

CONNECT

-6.38dBv G=-3.62dB

Page 46: Service Manual Model - VF-16

46 VF

-16

POWER, MAIN PCB, VF-16

AC IN

6

5

10

9

8

12

11

14

13

1

2

43

7

1 234

L1004

LINE FILTER 18mH/0.5A

C1004100/400V

C10050.01/630V

R1002100k/2W

D1002S2V60

1

2

3

CS

D

U1001

IPD MIP166

C1006

0.1

C100747/16

R10035.6,1/10W

D1003MA171

C10080.1

R1004

5.6,1/10W

C1009

0.0022/250VAC

C1010

0.0022/250VAC

1

2

4

3

A

KE

C

U1002

ON3171

R1005

33/0.5WC1012

390P/500V

C1011470/16LXV

R1006330,1/10W

L1005

10uH/2A

R1009

39k,1/10W

R1008470,1/10W

R1010

10k,1/10W

C1013

0.1

R101110k,1/10W

C1015470/16LXV

12

3

U1003

AN1431T

4

2

1

3

- +

~

~

D1001

DB-S

F1001FUSE

C10020.0022/250VAC

C10030.0022/250VAC

C1001

0.1/250VAC

1 234

L1003

LINE FILTER 1mH/2.2A

123

J1001

AC IN

12

3 4

S1001SW1-2 BL

L10016HOLE

L10026HOLE

1

W1001non

DGND

DGND

21

34

W1002

BOARDIN 4P

D+12

Vin1

GN

D3

Vout 2

on/off 5

Oad

j4

U1009

PQ1CF2

D+12

C1016470/16LXV

R10123k,1/10W

R10131k,1/10W

L1006

256uH

D1006EK03

TO HDD

250VAC/0.8A

R1001THERMISTOR8R0

I3 O 1

G2

U100678M15

I2

G3

O 1

U100779M15

D1009

D1NL40

D1010

D1NL40D1007

D1NL40

C1028470/16LXV

C10200.1

C10190.1

C1017470/25LXV

C1018470/25LXV

C92147/63LXV

C1021180/16LXV

C1022180/16LXV

C92047/63LXV

A+15

AGNDAGND

AGND

A-15

A+15

C1026470/25LXV

R101747k,1/10W

C101410/16

R100710k,1/10W

D+5HD

DGND

A+15

AGND

+48

VCO+5

VCOGND

13D1005

DAN202K

VCO+5

VCOGNDV+18

V-18

C1030180/16LXV

I3 O 1

G2

U100878M05

D1011

D1NL40 C10290.1

A+5DSP

A+5DSP

A-15

A-15

CONNECT

D+5HD

K3 A 2K1

4 5

D1004

MA649

T1001

REGTRANS-VF8

GRP_ON/OFF

+48

R56

47k

R57

47k

1 3D2

DAN202K

AGND

2

1

3

U910DTC114EK

DGND

2

1

3

U908DTC114EK

DGND

R91647k

D+5

23

D6DZD24-Y

23

D7DZD24-Y

R917

10k

R91810k

R919

10k

R920

10k

AGND

C102347/63LXV

+53

+53

3

21

Q12SC1627Y

3

21

Q22SC1627Y

3

21Q3

2SA817Y

R101810k,1/10W

R10193k,1/10W

R10201k,1/10W

L1007

256uH

D1012EK03

Vin1

GN

D3

Vout 2

on/off5

Oad

j4

6 7

U1004

PQ1CF1with Heetsink

13

2

D1013DAN202K

D+5HD

C1031VARISTOR

Page 47: Service Manual Model - VF-16

47

VF

-16

ROOT, MIC/MONITOR PCB, VF-16

MIC OUT1MIC OUT2MIC OUT3MIC OUT4MIC OUT5MIC OUT6MIC OUT7MIC OUT8

+48V

+15V

-15V

0VC

PEAK1PEAK2PEAK3PEAK4PEAK5PEAK6

+15V

-15V

0VB

MON IN L

MON IN R

POWER MUTE

0VA

0VA

0VB

0VC

+15V+48V-15V

POWER MUTE

MON IN L

MON IN R

MIC OUT1MIC OUT2MIC OUT3MIC OUT4MIC OUT5MIC OUT6MIC OUT7MIC OUT8

INPUT

MONITOR

PEAK1PEAK2PEAK3PEAK4PEAK5PEAK6

MIC OUT7MIC OUT8

LED1LED2LED3LED4LED5LED6LED7LED8

+15V

0VC

PEAKLED1PEAKLED2PEAKLED3PEAKLED4PEAKLED5PEAKLED6PEAKLED7PEAKLED8

PEAK LED

123456789

J3

8283M9P

TO PEAK LED

TO MAIN

123456789

1011121314151617

J1

FC 17P

Page 48: Service Manual Model - VF-16

48 VF

-16

INPUT, MIC/MONITOR PCB, VF-16

2

3

1

4

J703CONN-XLR-3-31

C70722pCER

C7010.01CER

C70247/50LL

+15V

-15V-15V

+48V

R711100

R7016.8k

R7026.8k

R705100k

R708100k

R7061k

R7071k

R709 100k

C70.01CER

C70822pCER

C70910/16

3

2

84

1

U4ANJM2068MD

C70347/50LL

R704100k

L702BEAD

L701BEAD

3

2

1

87

R720A500kCC

6

5

4

R720B500kCC

C80.01CER

+15V

R710100k

C71010/16

R712100k

C70447/16BP

C70547/16BP

C706NON

L703BEAD

2

3

1

4

J803CONN-XLR-3-31

C80722pCER

C8010.01CER

C80247/50LL

+15V

-15V

+48V

0VC

R811100

R8016.8k

R8026.8k

R805100k

R808100k

R8061k

R8071k

R809 100k

C80822pCER

C80910/16

57

6

U4BNJM2068MD

C80347/50LL

R804100k

L802BEAD

L801BEAD

3

2

1

8 7

R820A500kCC

6

5

4

R820B500kCC

R810100k

C81010/16

R812100k

C80447/16BP

C80547/16BP

C806NON

L803BEAD

R703100k

R803100k

C605220/16

C60322pCER

R604100

R601100k

R602 100k

C604 22pCER

C60647/10

57

6

U3BNJM2068MD

R60339

C602NON

3

2

1

5

4

R62020kC

L601BEAD

C60110/16

C305220/16

C30322pCER

-15V

R304100

R301100k

R302 100k

C30.01CER

C304 22pCER

C30647/10

3

2

84

1

U2ANJM2068MD

C40.01CER

+15V

R30339

C302NON

3

2

1

5

4

R32020kC

L301BEAD

C30110/16

C405220/16

C40322pCER

R404100

R401100k

R402 100kC40422pCER

C40647/10

57

6

U2BNJM2068MD

R40339

C402NON

3

2

1

5

4

R42020kC

L401BEAD

C40110/16

MIC OUT1

MIC OUT2

MIC OUT3

MIC OUT4

MIC OUT6+48V

+15V

-15V

0VC

0VC -15V

+15V +48V

4

31

5

2J701

CONN-PHONE-ST-SW2A

4

31

5

2J702

CONN-PHONE-ST-SW2A

4

31

5

2J801

CONN-PHONE-ST-SW2A

4

31

5

2J802

CONN-PHONE-ST-SW2A

4

31

5

2J301

CONN-PHONE-ST-SW2A

4

31

5

2J401

CONN-PHONE-ST-SW2A

4

31

5

2J601

CONN-PHONE-ST-SW2A

R713100k

R813100k

INPUT7

INPUT8

INPUT3

INPUT4

INPUT6

-50

-50

~

~ +2dBV

+2dBV

-50 ~ +2dBV

-50 ~ +2dBV

-50 ~ +2dBV

BAL

BAL

UNBAL

UNBAL

INSERT7

INSERT8

-10dBV

-10dBV

TRIM

TRIM

TRIM

TRIM

TRIM

R305non

R405non

R605non

0VC

C105220/16

C10322pCER

-15V

R104100

R101100k

R102 100k

C10.01CER

C104 22pCER

C10647/10

3

2 84

1

U1ANJM2068MD

C20.01CER

+15V

R10339

C102NON

3

2

1

5

4

R12020kC

L101BEAD

C10110/16

C205220/16

C20322pCER

R204100

R201100k

R202 100kC20422pCER

C20647/10

57

6

U1BNJM2068MD

R20339

C202NON

3

2

1

5

4

R22020kC

L201BEAD

C20110/16

MIC OUT7

MIC OUT8

4

31

5

2J201

CONN-PHONE-ST-SW2A

4

31

5

2J101

CONN-PHONE-ST-SW2A

INPUT1

INPUT2-50 ~ +2dBV

-50 ~ +2dBV

TRIM

TRIM

R205non

R105non

C505220/16

C50322pCER

-15V

R504100

R501100k

R502 100k

C50.01CER

C504 22pCER

C50647/10

3

2

84

1

U3ANJM2068MD

C60.01CER

+15V

R50339

C502NON

3

2

1

5

4

R52020kC

L501BEAD

C50110/16

MIC OUT5

4

31

5

2J501

CONN-PHONE-ST-SW2A

INPUT5-50 ~ +2dBV TRIM

R505non

13

2

D702DAP202K

13

2

D701DAN202K

13

2

D802DAP202K

13

2

D801DAN202K

PEAK1

PEAK2

PEAK3

PEAK4

PEAK5

PEAK6

C71110/16

C81110/16

-15V

+15V

0VC

-15V

+15V

0VC

-15V

+15V

0VC

C812100p

C712100p

Page 49: Service Manual Model - VF-16

49

VF-16

MONITOR, MIC/MONITOR PCB, VF-16

3

2

1

8

76

5

43

2

1

8

7

6

5

4

3

2 84

1

57

6

3

2 84

1

57

6

4

31

5

2

4

31

5

2

4

31

5

2

2

1

3

2

1

3

C13010/16

C131NON

C23010/16

R1A10kAA

R1B10kAA

R2A10kAA

R2B10kAA

U5A

NJM4565M

R13210k

R1341k

R13110k

R130100k

R13310k

C13222pCER

0VA

0VB

-15V

+15V C90.01CER

C100.01CER

C13310/16

C231NON

U5B

NJM4565M

R23210k

R2341k

R23110k

R230100k

R23310k

C232 22pCER

C23310/16

C151NON

U6ANJM4556AM

R152100k

R15110k

R150100k

R15310k

C15222pCER

-15V

+15V

C153220/16

C251NON

U6B

NJM4556AM

R252100k

R25110k

R250100k

R25310k

C25222pCER

C253220/16

MON IN L

MON IN R

POWER MUTE

+15V

-15V

0VB

0VB

-15V

+15V

L150BEAD

L250BEAD

L230BEAD

L130

C11220/16

C12220/16

J130

CONN-PHONE-ST-SW2A

J230

CONN-PHONE-ST-SW2A

J2

CONN-PHONE-ST-SW2A

PHONES

MON OUT L

MON OUT R

-10dBV

-10dBV

20mW 16ohm

MONITOR

PHONES

C15NON

0VA

0VA

R54.7 1/2W

R64.7 1/2W

R15456 1/2W

R25456 1/2W

U130DTC314TK

U230DTC314TK

Page 50: Service Manual Model - VF-16

50 VF

-16

PEAK LED, MIC/MONITOR PCB, VF-16

2 3

1

2 3

1

2 3

1

2 3

1

2 3

1

2 3

1

2 3

1

2 3

1

U161DTA114EK

R161

27k

R164

2k 1/4W

R163

470k

R1623.3k

C1610.47CER

+15V

U261DTA114EK

R261

27k

R264

2k 1/4W

R263

470k

R2623.3k

C2610.47CER

+15V

U361DTA114EK

R361

27k

R364

2k 1/4W

R363

470k

R3623.3k

C3610.47CER

+15V

U461DTA114EK

R461

27k

R464

2k 1/4W

R463

470k

R4623.3k

C4610.47CER

+15V

U561DTA114EK

R561

27k

R564

2k 1/4W

R563

470k

R5623.3k

C5610.47CER

+15V

U661DTA114EK

R661

27k

R664

2k 1/4W

R663

470k

R6623.3k

C6610.47CER

+15V

U761DTA114EK

R761

13k

R764

2k 1/4W

R763

1M

R76210k

C7610.47CER

+15V

U861DTA114EK

R861

13k

R864

2k 1/4W

R863

1M

R86210k

C8610.47CER

+15V

0V

0V

0V

0V 0V

0V

0V

0V

0V

+12V

+12V

R*61=240k

R*61=62k

R*62=47k

R*62=27k

PEAK1

PEAK2

PEAK3

PEAK4

PEAK5

PEAK6

MIC OUT7

MIC OUT8

LED1

LED2

LED3

LED4

LED5

LED6

LED7

LED8

+15V

+15V

0VC

2

31

Q1612SC2412K

2

31

Q2612SC2412K

2

31

Q3612SC2412K

2

31

Q4612SC2412K

2

31

Q5612SC2412K

2

31

Q6612SC2412K

2

31

Q7612SC2412K

2

31

Q8612SC2412K

Page 51: Service Manual Model - VF-16

51

VF

-16

ROOT, KEY PCB, VF-16

DGND

D+5

LEDA[0..7]LEDK[0..7]

KEY_SEG[0..7]

/LCD_WR

/LCD_CE0

/RST2

D[0..7]

D/I

/ATN1RXD1TXD1SCK1/ATN2

/RST_DISP

KEY_CPU

D+5

D[0..7]

KEY_SEG[0..7]

KEY

DGND

D+5

D0D1D2

D3D4D5D6D7

D/I/LCD_WR

/LCD_CE0

/RST2

KEY_SEG[0..7]

LEDK[0..7]

D[0..7]

LEDA[0..7]

123456789

1011121314151617181920

J2

HEADER 20P1 2

L1 LAMP

1 2

L2 LAMPBACK LIGHT

LEDK[0..7]LEDA[0..7]

D+5

DGND

LEDA4BLEDA5B

LEDA6BLEDA7B

LEDK0BLEDK1BLEDK2B

LED

MASTER_FADERINPUT_FADER_5-8INPUT_FADER_1-4

TRACK_FADER_1-4TRACK_FADER_5-8

FADER_SEL_BFADER_SEL_A

ADGNDAD+5DGND

FADER1FADER2FADER3

FADER9FADER10FADER11

FADER/RST_DISP

/ATN1

/ATN2

TXD1RXD1

SCK1

TRACK_FADER_1-4TRACK_FADER_5-8INPUT_FADER_1-4INPUT_FADER_5-8MASTER_FADER

FADER_SEL_AFADER_SEL_B

C30.01

C510/16

21

3456789

W1

BOADIN 9P

DGND

AD+5

ADGND

21L5 EXC3BP

21

L6 EXC3BP21

345678910

W2

BOADIN 10P

/LCD_CE11

3

24

5

R16500KB

DGND

AD+5

FADER1FADER2FADER3

FADER9FADER10FADER11

123456789

101112

J11

9110F12P

123456789

101112

J10

9110F12P

ADGND

D0D1D2

KEY_SEG6

LEDA6BLEDA7B

LEDK0BLEDK1BLEDK2B

KEY_SEG0

LEDA4BLEDA5B

KEY_SEG[0..7]D[0..7]

TO KEY2

TO KEY2

ADGND

FRAME2

FRAME3

ADGND

C305

0.1

C306

0.1

C307

0.1

C308

0.1 DGND

21L7

EXC3BP

Page 52: Service Manual Model - VF-16

52 VF

-16

CPU, KEY PCB, VF-16

P41

/TM

O0

10

P40

/TM

CI0

9

VS

S8

ST

BY

7

VC

C6

MD

04

MD

13

NM

I5

EX

TAL

2

XTA

L1

P44

/TM

O1

13

P42

/TM

RI0

11P

43/T

MC

I112

P45

/TM

RI1

14S

YS

_CLK

15P

4716

P50/TXD017

P51/RXD018

P52/SCK019

P53/TXD120

P54/RXD121

P55/SCK122

P70/SCL0/KEYIN423

P71/SDA0/KEYIN524

P72/KEYIN625

P73/KEYIN726

AS27

WR28

RD29

P77/WAIT30

VCC31

P27/A1532

P23

/A11

36

P26

/A14

33

P25

/A13

34

P24

/A12

35

P17

/A7

41V

SS

40

P22

/A10

37

P20

/A8

39P

21/A

938

P16

/A6

42

P15

/A5

43

P14

/A4

44

P13

/A3

45

P12

/A2

46

P11

/A1

47

P10

/A0

48

D049D150D251D352D453D554D655D756P60/FTCI/KEYIN057P61/FTOA/KEYIN158P62/FTOB/KEYIN259P63/FTI/KEYIN360P64/IRQ061P65/IRQ162P66/IRQ263RES64

A0 20

A1 19

A2 18

A3 17

A416

A5 15

A6 14

A7 13

A8 3

I/O021

I/O122

I/O223

I/O325

I/O426

I/O527

I/O628

I/O729

/OE32

VSS 24/CE130 CE26

/WE5

VCC 8

A9 2

A10 31

A11 1

A12 12

A13 4

A14 11

A15 7

A16 10

/RST2

TXD1

RXD1

SCK1

LEDK0LEDK1LEDK2LEDK3

LEDA0LEDA1LEDA2

/RST_DISP

/RST2

/ATN2

/ATN1

DGND

D+5

D+5

D+5

DGND

DGND

R4 100

R5 100

R6 100

R7100

R8 100

C730p

C830p

X116MHz

C9470p

R3100

C16470p

KEY_SEG0KEY_SEG1KEY_SEG2KEY_SEG3KEY_SEG4KEY_SEG5

KEY_SEG[0..7]

DGND

D+5

DGND

C14

0.01

1110U2E

74HC14

98U2D

74HC14

56U2C

74HC14

34

U2B74HC14

LEDK6LEDK5LEDK4

LEDK[0..7]

LEDA[0..7]

D[0..7]

/LCD_WR

D/I

/LCD_CE0

D0D1D2D3D4D5D6D7

12

14

U2A

74HC14

1312

U2F74HC14

D+5

D+5

LEDK[0..7]

KEY_SEG[0..7]

D[0..7]

U1

H8/3217

R1847K

DGND

D+5

D+5

A1A2A3

A4

RAM = EF80-F75F/LCD_CE0 = F760/LCD_CE1 = F762KEY_SEG0 = F764KEY_SEG1 = F766KEY_SEG2 = F768KEY_SEG3 = F76AKEY_SEG4 = F76CKEY_SEG5 = F76EKEY_SEG6 = F770KEY_SEG7 = F772

RESERVED = F774-F77F

R17

100

C12 0.01

DGND

C10.01

C200.01

A0

A1

A2

A3

A4

A5

A6

A7

A0A1A2A3A4A5A6A7

A8

A9

A10

A11

A12

A13

A14

A15

A8A9A10A11A12A13A14

D0D1D2D3D4D5D6D7

910811

U10C74HC10

45

63U10B

74HC10

121213

14

U10A74HC10

A15

A11

A12

A13A14

C210.01

C220.01

D+5

DGND

GND

C3

A1

B2

G2A4

G2B5

G16

VCC16Y7

7 Y69 Y5

10 Y411 Y312 Y213 Y114 Y015

U7

74HC138

C3

A1

B2

G2A4

G2B5

G16

VCC16Y7

7 Y69 Y5

10 Y411 Y312 Y213 Y114 Y015

U11

74HC138

KEY_SEG6KEY_SEG7

C230.01

A0

12

1311

U12D74HC32

12

1311

U13D

74HC32

4

56

U12B

74HC32

9

108

U12C

74HC32

DGND

D+5

DGND

R210K

C4470p

C6470p

D+5

1

23

14

U13A74HC32

4

56

U13B74HC32

9

108

U13C74HC32

1

23

14

U12A74HC32

A9

A8A6A5

A10

A7

C13NON

LEDA4LEDA5LEDA6

LEDK7

LEDA3

A1

B2

C3

45

U4

JOG_ALPS

R1010K

R1110K

R12

100K

R13 100K

R14

100K

R15

100K

C150.01

C170.01

D+5

DGND

C180.01

DGND

C19

0.01 DGND

DGND

D+5

DGND

/RST_DISP

/ATN1

/ATN2

TXD1

RXD1

SCK1

LEDA[0..7]

LEDA7

U9

LC361000AMLL(1M SRAM)

/WR/RD

A15A16(P55)

A16

(P55

)

C3D 2

S4

R1

Q5

Q6 V

CC

14 U6A

74HC74

C11D 12

S10

R13

Q9

Q8

U6B

74HC74

Page 53: Service Manual Model - VF-16

53

VF

-16

KEY, KEY PCB, VF-16

21

21

21

21

21

21

21

21

21

21

21

21 21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

21

D0

D1

D2

D3

D4

D5

D6

D+5

KE

Y_S

EG

0

KE

Y_S

EG

1

KE

Y_S

EG

2

KE

Y_S

EG

3

KE

Y_S

EG

4

KE

Y_S

EG

7

D[0..7]

KEY_SEG[0..7]

D7

KE

Y_S

EG

5

KE

Y_S

EG

6

21

21

21

21

21

21

21

21

21

21

21

21

21

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

CH STATUS 1

CH STATUS 2

CH STATUS 3

CH STATUS 4

CH STATUS 5

CH STATUS 6

CH STATUS 7

CH STATUS 8

CH STATUS 9

CH STATUS 10

CH STATUS 11

CH STATUS 12

CH STATUS 13

CH STATUS 14

CH STATUS 15

CH STATUS 16RECALL

STORE

EFF1

EFF2

EFF1/EFF2

HI-G/F/Q

AUX1/AUX2

MID-G/F/Q

PAN

LO-GCH STATUS

SOURCE

REC RTK

REC RTK

BUSS

DIRECT

DISP SEL

TIMEBASE SEL SETUP

START

AUTO PUNCH

AUTO PUNCH

IN

OUT

END

CLIPBOARD

CLIPBOARD CLIPBOARD

IN

OUTALIGN SEL

ARTN/APLAY

HOLD/>

STORE

EDIT

UNDO/REDO

VARI PITCH

LOCATE SCRUB

RECORD

STOP

PLAY

REW

F.FWD

FADER ADJUST

EXIT/NO

SHIFT

ENTER/YES

MASTER

SCENE

SCENE

S4

S5

S6

S7

S29

S8

S9

S10

S11

S12

S13

S14 S30

S15

S16

S17

S18

S19

S20

S21

S31

S22

S23

S24

S25

S26

S27

S28

S32

S33

R2047K

R2147K

R2247K

R2347K

R2447K

R2547K

R2647K

S34

S35

R2747K

S37

S38

S39

S36

S40

S41

S42

S43

S45

S46

S47

S44

S48

S53

S52

S55

S56

S63

NON

S64

NON

S61

NON

S62

NON

S59

NON

S60

NON

S57

S58

S54

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

D16

D17

D18

D19

D20

D21

D22

D23

D24

D25

D26

D27

D28

D29

D30

D31

D32

D33

D34

D35

D36

D37

D38

D39

D40

D41

D42

D43

D44

D45

D46

D47

D48

D52

D53

D54

D55

D56

D57

D58

D59

NON

D60

NON

D61

NON

D62

NON

D63

NON

D64

NON

TO KEY2 TO KEY2

D+5

D[0..7]

KEY_SEG[0..7]

Page 54: Service Manual Model - VF-16

54 VF

-16

LED, KEY PCB, VF-16

3

21

3

21

3

21

3

21

3

21

3

21

3

21

21

32

1

32

1

32

1

32

1

3

21

32

1

32

1

32

1

32

1

3

3

21

SCENE STORE

MASTER

CH STATUS 13CH STATUS 14

ACCESS

PAN LO-G FADER ADJUST SHIFT

PHANTOM

SCRUBSTORE

CH STATUS 15

CH STATUS BUSS SOURCE BUSS REC TRK DIRECT REC TRK

HI-G/F/Q VARI PITCHEFF1/EFF2EFF1

CH STATUS 12

CH STATUS 11 CH STATUS 10

CH STATUS 16

CH STATUS 9

SCENE RECALL

EFF2

F.FWDREWPLAYSTOPRECMID-G/F/QAUX1/AUX2

CH STATUS 1CH STATUS 2CH STATUS 3

CH STATUS 4CH STATUS 5CH STATUS 6CH STATUS 7CH STATUS 8

2

1

3 2

1

3 2

1

32

1

3 2

1

3 2

1

3 2

1

3 2

1

3

R39 1k

R40 1k

R37100

R36100

R35100

R34100

R33100

R32100

R31100

D85

LED(YLW)

D84

NON

D93

NON

D102

NON

D92

LED(RED)

D101

LED(GRN)

D77

NON

D100

NON

D76

LED(GRN)

R41 1k

R42 1k

D91

LED(YLW)

D90

LED(GRN)

D98

NON

D89

LED(YLW)

D97

NON

D88

LED(YLW)

D96

NON

D87

NON

D95

NON

R43 1k

R44 1k

D75

LED(RED)

D74

LED(YLW)

D82

LED(RED)

D73

LED(GRN)

D81

LED(GRN)

D72

LED(RED)

D80

NON

D71

LED(RED)

D79

NON

R45 1k

D86

LED(YLW)

D78

NON

D83

NON

D99

LED(RED)

D94

NON

Q1

2SA1150Y

Q2

2SA1150Y

Q3

2SA1150Y

Q4

2SA1150Y

Q5

2SA1150Y

Q6

2SA1150Y

Q7

2SA1150Y

D107D108D109D110 D106

R38100

D115D116D117D118 D114

R46 1k

Q8

2SA1150Y

U28DTD113ZK

U27DTD113ZK

U23DTD113ZK

U26DTD113ZK

U25DTD113ZK

U24DTD113ZK

U22DTD113ZK

U21DTD113ZK

TO KEY2

LEDK6 LEDK5 LEDK4 LEDK3 LEDK2 LEDK1 LEDK0

LEDA[0..7]

LEDK[0..7] LEDK[0..7]

D+5

LEDA0

LEDA1

LEDA2

LEDA3

LEDA4

LEDA5

LEDA6

LEDK7

D+5

LEDA[0..7]

LEDA7

LEDA0B

LEDA1B

LEDA2B

LEDA3B

LEDA4B

LEDA5B

LEDA6B

LEDA7B

LEDK0BLEDK1BLEDK2BLEDK3BLEDK4BLEDK5BLEDK6BLEDK7B

DGND DGNDDGND DGND DGND DGND DGND DGND

DGND

DGND

LEDK2B LEDK1B LEDK0B

LEDA4B

LEDA5B

LEDA6B

LEDA7B

Page 55: Service Manual Model - VF-16

55

VF

-16

FADER, KEY PCB, VF-16

12141511

15246

109

7

13

33

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

12141511

15246

109

7

13

33

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

AD+5 AD+5 AD+5 AD+5 AD+5

AD+5 AD+5 AD+5 AD+5 AD+5

AD+5

ADGND

TRACK_FADER_1-4TRACK_FADER_5-8

INPUT_FADER_1-4INPUT_FADER_5-8

MASTER_FADER

FADER_SEL_AFADER_SEL_B

AD+5

ADGND

ADGND

ADGND

ADGND

ADGND

ADGND

AD+5

AD+5 VCC

GND

ADGND

ADGND

FADER1FADER2FADER3

FADER9FADER10FADER11

R54

10kB

R55

10kB

R56

10kB

R57

10kB

R58

10kB

R64

10kB

R65

10kB

R66

10kB

R67

10kB

R68

10kB

R59

10kB

C5110/16

C520.01

C550.01

C560.01

C570.01

C580.01

C590.01

C540.01

C530.01

TO KEY2

TO KEY2

TRACK_FADER_5-8TRACK_FADER_1-4

INPUT_FADER_1-4INPUT_FADER_5-8

MASTER_FADER

FADER_SEL_BFADER_SEL_A

AD+5

ADGND

FADER1FADER2FADER3

FADER9FADER10FADER11

0X1X2X3X

0Y1Y2Y3YINHAB

VEE

XCOM

YCOM

U52

74HC4052

0X1X2X3X

0Y1Y2Y3YINHAB

VEE

XCOM

YCOM

U51

74HC4052

Page 56: Service Manual Model - VF-16

56

VF-16

PEAK LED PCB, VF-16

D201

LED(RED)

D202

LED(RED)

D203

LED(RED)

D204

LED(RED)

D205

LED(RED)

D206

LED(RED)

D207

LED(RED)

D208

LED(RED)

FRAME

PEAKLED1PEAKLED2PEAKLED3PEAKLED4PEAKLED5PEAKLED6PEAKLED7PEAKLED8

21

3456789

W201

BOADIN 9P

LCD PCB, VF-16

D+5L

DGNDLD+5L

DL0DL1DL2

DL3DL4DL5DL6DL7

DGND

DGND

D+5L

D+5LD/I/WR

DGNDL

DGNDLDGNDL

/CS_LCD0

/RST2

D+5L

DGND

DL0DL1DL2

DL3DL4DL5DL6DL7

D/I/WR

/CS_LCD0

/RST2

1234567891011121314151617

19

1234567891011121314151617

1 2 3

DU

MM

Y1a

1

VLC

5a2

VLC

4a3

VLC

3a4

VLC

2a5

VLC

1a6

VE

E2a

7

VE

E1a

8

R1a

9

R2a

10

VO

UT

3a11

C3B

a12

C3A

a13

VO

UT

2a14

C2B

a15

C2A

a16

VO

UT

1a17

C1B

a18

C1A

a19

VIN

a20

VR

16a

21

/ST

Ba

22

VS

Sa

23

CO

MD

a24

CLa

25

Ma

26

FR

Ma

27

PC

Ka

28

CK

Aa

29

CK

Ba

30

PM

a31

/CK

a32

VD

Da

33

FS

1a34

FS

2a35

DS

1a36

DS

2a37

OS

C1a

38

OS

C2a

39

M/S

a40

EX

Pa

41

D/Ia

42

/WR

a43

/CE

a44

/RS

Ta45

DB

7a46

DB

6a47

DB

5a48

DB

4a49

DB

3a50

DB

2a51

DB

1a52

DB

0a53

DU

MM

Y2a

54

18

20

C210/16

C102.2/50

C112.2/50

C122.2/50

C4

2.2/50

C30.01

R175K

C5

1/50C6

1/50C7

1/50C8

1/50C9

1/50

U1 LCD 128X64

J1

PLUG 20P

C1

NON

R2

NON

J2

non

J3non

DGNDL

D+5L

Page 57: Service Manual Model - VF-16

57

VF

-16

KEY2 PCB, VF-16

CH STATUS 1

CH STATUS 2

CH STATUS 3

CH STATUS 9

CH STATUS 10

CH STATUS 11

CH STATUS 11 CH STATUS 10 CH STATUS 9

CH STATUS 1CH STATUS 2CH STATUS 3

21

21

21 21

21

21

3

2

1

5

43

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

3

2

1

5

4

1 2

1 2

1 2

1 2

1 2

1 2

21

32

1

32

1

3

21

32

1

32

1

3

123456789

101112

123456789

101112

D0

D1

D2

KE

Y_S

EG

0

D[0..7]

KEY_SEG[0..7]

KE

Y_S

EG

6

LEDK0BLEDK1BLEDK2B

LEDA4B

LEDA5B

LEDA6B

LEDA7B

AD+5_1

AD+5_2

FADER1FADER2FADER3

FADER9FADER10FADER11

ADGND

ADGND

ADGND

D0D1D2

KEY_SEG6

LEDA6BLEDA7B

LEDK0BLEDK1BLEDK2B

KEY_SEG0

LEDA4BLEDA5B

S1

S2

S3 S51

S50

S49D1

D2

D3

D49

D50

D51

D103D104D105

D111D112D113

R51

10kB

R52

10kB

R53

10kB

R61

10kB

R62

10kB

R63

10kB

J11

9176M12P

J10

9176M12P

TO KEY

TO KEY

Page 58: Service Manual Model - VF-16

58 VF

-16

BLOCK DIAGRAM (INPUT), VF-16

+48V

+48V

A/D

TRIMGAIN

EFF1

EFF2

AUX1

PAN

AUX2PRE/POST

CH ON

PHANTOM(SETUP)

TRIM

CH STATUS

PLAYREC

3BANDEQ

PEAK

INPUT A(+4 ~ -50dBv)

A/D

TRIM

PEAK

INPUT B(+4 ~ -50dBv)

INPUTSUB MIXCH1/2(SETUP)

INPUT G(+4 ~ -50dBv)

PEAK

A/D

PHANTOM(SETUP)

TRIM

INPUT H(+4 ~ -50dBv)

PEAK

A/D

A/D

TRIM

PEAK

INPUT C(+4 ~ -50dBv)

A/D

TRIM

PEAK

INPUT D(+4 ~ -50dBv)

A/D

TRIM

PEAK

INPUT E(+4 ~ -50dBv)

A/D

TRIM

PEAK

INPUT F(+4 ~ -50dBv)

BAL

BAL

UNBAL

UNBAL

INSERT

INSERT

(-10dBv)

(-10dBv)

REC SOURCE SEL

OFFON

EQ PARAMETERS

HI GAINHI FREQHI Q

MID GAINMID FREQMID Q

LO GAIN

EQ ON/OFF

POSTPRE

GRN : PLAYRED : RECOFF : CH OFF

TRK 1-8

GAIN

EFF1

EFF2

AUX1

PAN

AUX2PRE/POST

CH ONCH STATUS

PLAYREC

3BAND EQ(or COMP)

REC SOURCE SEL

OFFON

EQ PARAMETERS

HI GAINHI FREQHI Q

MID GAINMID FREQMID Q

LO GAIN

EQ ON/OFF

POSTPRE

GRN : PLAYRED : RECOFF : CH OFF

TRK 9-16 / INPUT A-H

INPUT

ORG : INPUT

X 8

X 8

INPUT AINPUT BINPUT CINPUT DINPUT EINPUT FINPUT GINPUT H

SUB MIXL R

INPUT A DIR

INPUT B DIR

INPUT C DIR

INPUT D DIR

INPUT E DIR

INPUT F DIR

INPUT G DIR

INPUT H DIR(To HDR)

(To HDR)

(To HDR)

(To HDR)

(To HDR)

(To HDR)

(To HDR)

(To HDR)

REP TRK1REP TRK2REP TRK3REP TRK4REP TRK5REP TRK6REP TRK7REP TRK8

REP TRK9REP TRK10REP TRK11REP TRK12REP TRK13REP TRK14REP TRK15REP TRK16

(From HDR)

(From HDR)

ST REC EFF AUXL LR R 1 2 1 2

To ST MASTER

To REC BUSSMASTER

To AUX1/2 MASTER

REC SOURCE SEL

OFFON

ASP EFFECTPROCESSOR

EFF1/2

X 2

EFF SEND1EFF SEND2

EFF SEND1(To EFF1)EFF SEND2(To EFF2)

EFF MUTE

BUSSES

INPUTSUB MIXCH3/4(SETUP)

INPUTSUB MIXCH5/6(SETUP)

INPUTSUB MIXCH7/8(SETUP)

COMP: TRK 13 (INPUT E) ~ TRK 16(INPUT H) only

Page 59: Service Manual Model - VF-16

59

VF

-16

BLOCK DIAGRAM (OUTPUT), VF-16

To METER

D/A

D/A

D/A

D/A

AUX 1/2 MASTER

ST MASTER / MON

AUX1MASTER

AUX2MASTER

ST MASTER

To DATA OUT

CH ON

FOOT SW

L

R

ST OUT(-10dBv)

AUX 1/2 OUT(-10dBv)

L

R

MON OUT(-10dBv)

PHONES

DATA IN

MONGAIN

PHONESGAIN

ST BAL

REC BUSSMASTER

INPUT1 DIR

INPUT2 DIR

INPUT3 DIR

INPUT4 DIR

INPUT5 DIR

INPUT6 DIR

INPUT7 DIR

INPUT8 DIR

(From AD)

(From AD)

(From AD)

(From AD)

(From AD)

(From AD)

(From AD)

(From AD)

TRK1 REC

TRK2 REC

TRK3 REC

TRK4 REC

TRK5 REC

TRK6 REC

TRK7 REC

TRK8 REC

TRK9 REC

TRK10 REC

TRK11 REC

TRK12 REC

TRK13 REC

TRK14 REC

TRK15 REC

TRK16 REC

S/P-DIFor

ADAT

PUNCH I/O

DATA OUT

S/P-DIFor

ADATST OUT(From ST)

TRK1 REP

TRK2 REP

TRK3 REP

TRK4 REP

TRK5 REP

TRK6 REP

TRK7 REP

TRK8 REP

TRK9 REP

TRK10 REP

TRK11 REP

TRK12 REP

TRK13 REP

TRK14 REP

TRK15 REP

TRK16 REP

ST BUSS

AUX1 BUSS

AUX2 BUSS

REC BUSSREC ASSIGN MODE

BUSS MODEDIRECT MODE

16TRKHDR

W/METER

3BANDEQ

EQ PARAMETERS

HI GAINHI FREQHI Q

MID GAINMID FREQMID Q

LO GAIN

EQ ON/OFF

COMP

COMP PARAMETERS

RATIOTHRESHOLDATACKGAIN

COMP ON/OFF

Page 60: Service Manual Model - VF-16

FOSTEX CORPORATION 3-2-35 Musashino, Akishima, Tokyo, Japan 196-0021

FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave., Norwalk, CA 90650, U.S.A. © PRINTED IN JAPAN JUNE. 2000 8288793000