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HCD-XGR80E Model
COMPACT Hi-Fi STEREO SYSTEM
Continued on next page
SPECIFICATIONS
HCD-XGR80 is the Amplifier,CD player, tape deck and tunersection in LBT-XGR80.
Ver 1.0 2002.03
9-873-638-012002C0200-1
2002.03
Model Name Using Similar Mechanism HCD-XGR60
CD CD Mechanism Type CDM37B-30BD60C
Section Base Unit Name BU-30BD60C
Optical Pick-up Name A-MAX.3
TAPEModel Name Using Similar Mechanism HCD-XGR60Section
SERVICE MANUAL
Sony CorporationHome Audio CompanyPublished by Sony Engineering Corporation
Amplifier sectionThe following measured at AC 120/220/240V, 50 HzDIN power output (rated) 125W x 2 + 125W x 2
watts(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)170 W x 2 + 170 W x 2(6 ohms at 1 kHz, 10% THD)
InputsDJ MIX RETURN*:(phono jacks) sensitivity 250 mV,
impedance 47 kilohmsGUITAR:(phone jack) sensitivity 75 mV,
impedance 470 kilohmsPHONO IN:(phono jacks) sensitivity 3 mV,
impedance 47 kilohmsMIX MIC:(phone jack) sensitivity 1 mV,
impedance 10 kilohmsGAME INPUT:(phono jacks) sensitivity 250 mV,
impedance 47 kilohms
MD (VIDEO) IN:(phono jack) sensitivity 450 mV
(250 mV), impedance47 kilohms
OutputsDJ MIX SEND*:(phono jacks) sensitivity 250 mV,
impedance 1 kilohmsPHONES:(stereo phone jack) accepts headphones of
8 ohms or moreMD (VIDEO) OUT:(phono jacks) voltage 250 mV
impedance 1 kilohms
FRONT SPEAKER: accepts impedance of 6 to16 ohms (SUPER WOOFER)accepts impedance of 6 to16 ohms (TWEETER & WOOFER)
* Mexican model only
2HCD-XGR80
This appliance is classified as a CLASS 1 LASER product. TheCLASS 1 LASER PRODUCT MARKING is located on the rearexterior.
CAUTIONUse of controls or adjustments or performance of proceduresother than those specified herein may result in hazardous radiationexposure.
Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270C
during repairing. Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times). Be careful not to apply force on the conductor when soldering
or unsoldering.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITHMARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTSLIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERSAPPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY.
CD player sectionSystem Compact disc and digital
audio systemLaser Semiconductor laser
(=795 nm), Emissionduration: continuous
Frequency response 2 Hz 20 kHz (0.5 dB)Signal-to-noise ratio More than 90 dBDynamic range More than 90 dBCD OPTICAL DIGITAL OUT(Square optical connector jack, rear panel)Wavelength: 660 nmOutput level 18 dBm
Tape player sectionRecording system 4-track 2-channel stereoFrequency response 40 13,000 Hz (3 dB),
using Sony TYPE I cassette
Tuner sectionFM stereo, FM/AM superheterodyne tuner
FM tuner sectionTuning range 87.5 108.0 MHz
(50 kHz step)Antenna FM lead antennaAntenna terminals 75 ohms unbalancedIntermediate frequency 10.7 MHz
AM tuner sectionTuning rangePan- American models: 530 1,710 kHz
(with the interval set at 10 kHz)531 1,710 kHz(with the interval set at 9 kHz)
Other models: 531 1,602 kHz(with the interval set at 9 kHz)530 1,710 kHz(with the interval set at 10 kHz)
Antenna AM loop antennaAntenna terminals External antenna terminalIntermediate frequency 450 kHz
GeneralPower requirementsMexican model: 120 V AC, 60 HzOther models: 120 V, 220 V or 230 240 V
AC, 50/60 HzAdjustable with voltage selector
Power consumption 320 watts
Dimensions (w/h/d) Approx. 355 x 425 x 451 mmMass : Approx. 16.4 kg
Supplied accessories: AM loop antenna (1)FM lead antenna (1)Speaker cords (4)Speaker pads (8)Remote commander (1)Batteries (2)
Design and specifications are subject to change without notice.
3HCD-XGR80
NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostaticbreak-down because of the potential difference generated by thecharged electrostatic load, etc. on clothing and the human body.During repair, pay attention to electrostatic break-down and alsouse the procedure in the printed matter which is included in therepair parts.The flexible board is easily damaged and should be handled withcare.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused onthe disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emission,observe from more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH OPERATIONCHECKCarry out the S curve check in CD section adjustment andcheck that the S curve waveforms is output three times.
MODEL IDENTIFICATION Rear Panel
MODELE modelE51 modelMexican modelArgentina model
PARTS No.4-237-748-6s4-237-748-7s4-237-748-8s4-237-748-9s
AbbreviationE51 : Chilean and Peruvian model
PART No.
4HCD-XGR80
TABLE OF CONTENTS
1. GENERAL 5
2. DISASSEMBY 7
3. TEST MODE 15
4. MECHANICAL ADJUSTMENTS 17
5. ELECTRICAL ADJUSTMENTS 17
6. DIAGRAMS6-1. Circuit Board Location 216-2. Block Diagram CD Servo Section 22
Block Diagram Tuner/Tape Deck Section 23Block Diagram Main Section 24Block Diagram
Display/Key Control/Power Supply Section 256-3. Printed Wiring Board BD Section 266-4. Schematic Diagram BD Section 276-5. Printed Wiring Board Motor, LED Section 286-6. Schematic Diagram Motor, LED Section 286-7. Schematic Diagram MIC/Guitar Section 296-8. Printed Wiring Board MIC/Guitar Section 296-9. Schematic Diagram Main (1/3) Section 306-10.Schematic Diagram Main (2/3) Section 316-11. Schematic Diagram Main (3/3) Section 326-12.Printed Wiring Board Main Section 33
6-13.Printed Wiring Board CD-L,CD-R,Headphone,Front Input,D-SW Section 34
6-14.Schematic Diagram CD-L,CD-R,Headphone,Front Input,D-SW Section 35
6-15.Printed Wiring Board Panel VR Section 366-16.Schematic Diagram Panel VR Section 376-17.Printed Wiring Board Panel FL,TC-A,TC-B Section 386-18.Schematic Diagram Panel FL,TC-A,TC-B Section 396-19.Printed Wiring Board PA Section 406-20.Schematic Diagram PA Section 416-21. Printed Wiring Board Sub Amp Section 426-22.Schematic Diagram Sub Amp Section 436-23. Printed Wiring Board Trans,Sub Trans Section 446-24.Schematic Diagram Trans,Sub Trans Section 446-25. IC Pin Function Description 466-26. IC Block Diagram 51
7. EXPLODED VIEWS7-1. Case,Back Panel Section 547-2. Front Panel Section-1 557-3. Front Panel Section-2 567-4. Chassis Section 577-5. CD Mechanism Deck Section (CDM-30BD60C) 587-6. Base Unit Section (BU-30BD60C) 59
8. ELECTRICAL PARTS LIST 60
5HCD-XGR80This section is extracted frominstruction manual.
SECTION 1GENERAL
ALPHABETICAL ORDER
E GEDIT ea (15)EFFECT 5 (17)ENTER 5 (8, 15, 17, 19)FM MODE 8 (12)FUNCTION qd (7, 9, 10, 14, 20,
22, 26)GAME qf (22)GAME INPUT AUDIO L/R wd
(25)GAME INPUT VIDEO wd (25)GAME MIXING qg (22)GROOVE ek (16)GUITAR DISTORTION wl (21)GUITAR jack ed (21)GUITAR LEVEL ef (21)
H RH SPEED DUB ql (14)MIC LEVEL ef (20)MIX GUITAR/KARAOKE wl (20,
21)MIX MIC jack ed (20)P FILE 5 (17)PHONES jack w;PLAY MODE es (9, 10)POWER SAVE/DEMO
(STANDBY) 3 (23)Power stream indicator 6PUSH OPEN wj (9)REPEAT es (10)
Main unit
wfwgwhwjwle;
ea
es
edefeg
eh
ek
ej
wk
qf
qd
2345 76 890qaqs
qg
qh
qj
qkql
w;
waws
wd
1
A DA EJECTZ/Z B EJECT wh (13)AMS./> wa (9, 10)CD SYNC ql (14, 15)Direct equalizer qh ej (17)
GUITAR/ROCK/JAZZ/DANCE/GAMESALSA/REGGAE/TANGO/SAMBA/MOVIE
DIRECTION eg (13, 14, 15, 20)DISC SKIP es (9, 10)DISC 1 to 5 e; (9)DISPLAY 2
(23)
6HCD-XGR80
Remote control
ALPHABETICAL ORDER
ql
qkqjqh
qgqf
ws
wa
w;
5
6
7
98
q;
3
2
1
4
qd
qs
qa
S XSLEEP 0 (18)SPECTRUM ANALYZER 4 (20)SUPER WOOFER ek (16)SUPER WOOFER MODE ek (16)SURROUND ek (18)TIMER SELECT qa (16, 19)TUNER/BAND 9 (11, 12)TUNER ENTER wf (11)TUNER MEMORY wf (11)TUNING MODE 8 (11, 12)TUNING - /+ 9 (11, 12)VOLUME control 7 (10)X-GROOVE wg (16)
BUTTON DESCRIPTIONS@/1 1c/CLOCK SET qsh/H qj ehx qj eh.m /M> qj ehX qkz REC qkHX wsx wsm /M wsR/r/T/t (cursor) wk
C FCD N qg (9)CLEAR 4 (10)CLOCK/TIMER SELECT ws (16,
19)CLOCK/TIMER SET 1 (8, 15,
19)DISC SKIP w; (9, 10)DISPLAY qa (23)EFFECT 9 (17)ENTER 0 (8, 15, 17, 19)FILE SELECT +/- qd (17)FUNCTION 3 (7, 9, 10, 14, 20,
22, 26)
P VPRESET - /+ qlSLEEP wa (18)SURROUND 5 (18)TUNER/BAND qf (11, 12)TUNING - /+ qk (11, 12)VOL +/- 6 (10)
BUTTON DESCRIPTIONS@/1 2nN 78R/r/T/t (cursor) qsx qhX qjm/M qk./> ql
This section is extracted frominstruction manual.
7HCD-XGR80SECTION 2
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
2-1. CASE
The equipment can be removed using the following procedure.
3 Five screws (BVTT 3 6)
4 Two screws (BVTP 3 8)
2 Three screws (CASE3 TP2)
1 Three screws (CASE3 TP2)
8 Case
6
7
5
5
6
Set Case Front panel section Tape mechanism deck
PANEL FL board, TC-A board, TC-B board
PANEL VR board
MIC/GUITAR board, HEADPHONE board
FRONT INPUT board
D-SW board, CD-L board, Lid (CD) assy, CD-R board
Back panel, DC fan, MAIN board
CD mechanism deck (CDM37B-30BD60C)
Base unit-1 (BU-30BD60C)
Disc table
Base unit-2 (BU-30BD60C) BD board
8HCD-XGR80
2-2. FRONT PANEL SECTION
2-3. TAPE MECHANISM DECK
2Flat type wire (CN431)
8 Lug
7 Screw (BVTP 3 X 8)
3 Connector (CN311)4 Connector (CN903)
5 Connector (CN722)
1 Flat type wire (CN371)
9 Screw (BVTP 3 X 8)
qs Screw (BVTP 3 X 8)
qd Four screws (BVTP 3 X 8)
qg Front panel sectionqf Claw
0 Lug
6 Connector (CN806)
qa Connector (B deck)
1 Flat type wire (15 core)
2 Two screws (BVTP 2.6 X 8)
3 Two screws (BVTP 2.6 X 8)
5 Tape mechanism deck
Front panel
4
9HCD-XGR80
2-4. PANEL FL BOARD, TC-A BOARD, TC-B BOARD
2-5. PANEL VR BOARD
2Lug1Screw (BVTP 2.6 X 8)
qaFive screws (BVTP 2.6 X 8)qsThree screws (BVTP 2.6 X 8)
qkPANEL FL board
w;TC-A board
qdEight screws (BVTP 2.6 X 8)
qgFour screws (BVTP 2.6 X 8)
8Connector (CN703)
6Connector (CN812)
7Connector (CN704)
wsTC-B board0Two knobs (MIC)
qlTwo claws
4Screw (BVTP 2.6 X 8)
qfFour screws (BVTP 2.6 X 8)
5Bracket (TA)
qhThree claws
3Bracket (TA)
qj
9Flat type wire (CN601)
waTwo claws
Front panel
1Screws (BVTP 2.6 X 8)
2Lug
4Knob (VOLUME)
3Bracket (TA)
7
6Preess the two buttons (EJECT)
Front panel
qsPANEL VR board
qaNine screws (BVTP 2.6 X 8)
0Eight screws (BVTP 2.6 X 8)
5Flat type wire (CN701)
9Lever (EJECT) assy
8Two screws (BVTP 2.6 X 8)
10
HCD-XGR80
2-6. MIC/GUITAR BOARD, HEADPHONE BOARD
1Connector (CN812)
2Two screws (BVTP 2.6 X 8)
4MIC/GUITAR board
7HEADPHONE board
5Two screws (BVTP 2.6 X 8)
3MIC bracket
6HEADPHONE bracket
Front panel
2-7. FRONT INPUT BOARD
2Bumper (Panel)
Front panel
FRONT INPUT board
J804
4FRONT INPUT board
1Four screws (BVTP 2.6 X 8)
3
Front panel
11
HCD-XGR80
2-9. BACK PANEL, DC FAN, MAIN BOARD
2-8. D-SW BOARD, CD-L BOARD, LID (CD) ASSY, CD-R BOARD
5Two screws (BVTP 2.6 X 8)
7Four screws (BVTP 2.6 X 8)
qjFour screws (BVTP 2.6 X 8)
qkCD-Rboard
4Two screws (BVTP 2.6 X 8)
qgTwo screws (BVTP 2.6 X 8)
qfTwo screws (BVTP 2.6 X 8)
2D-SW board
1Screw (BVTP 2.6 X8)
0Spring (CD)
3Connector (CN704)
qdKnob (CD)
qaLid (CD) assy
9Sub panel (CD-L) assy
8CD-L board
6
qlSub panel (CD-R) assy
qsConnector (CN703)
qh
qsDC FAN (M901)
1Flat type wire (CN441)
9Back panel 2Jumper plug4Eight screws (BVTP 3 X 8)
7Four screws (BVTP 3 X 8)6Three screws (BVTP 3 X 8)
qgTwo screws (BVTP 3 X 8)
qhTwo connectors (CN901, 902)
5Two screws (BVTP 3 X 8)qaTwo screws (BVTP 3 X 8)
3Screw (BVTP 3 X 8)
0Connector (CN961)
MX model
qfConnector (CN441)
qdFlat type wire (CN401)
qjMAIN board
8
12
HCD-XGR80
2-10. CD MECHANISM DECK (CDM37B-30BD60C)
qa CD mechanism deck (CDM37B-30BD60)
6Two screws (BVTP 3 X 8)
5Two screws (BVTP 3 X 8)
4Three screws (BVTP 3 X 8)
1Flat type wire (CN401)
2Connector (CN411)
3Four screws (BVTP 3 X 8)
Wire holder
0 Five screws(BVTP3 8)
7
7
8
9Remove two cables from wire holder.
13
HCD-XGR80
2-11. BASE UNIT-1 (BU-30BD60C)
2-12. BASE UNIT-2 (BU-30BD60C)
3 Base unit(BU-30BD60C)
1 BU fitting screw
2 Boss
1Two floating screws (DIA.12)6Base unit (BU-30BD60C)
2Two screws (BVTP 2.6 X 8)
3Two stoppers (BU)
5Two coil springs (insulator)
4Two coil springs (insulator)
Holder (BU30) assy
14
HCD-XGR80
2-14. DISC TABLE
2-13. BD BOARD
Note: When the disc table is installed, adjust the positions of roller cam and mark B as shown in the figure, then set to the groove of disc table.
1Screw (BVTP 3 8)
2Bracket (BU)
3Step screw
4Disc table
A
A
1Remove the two solders.
4Flat type wire (CN102)
BU-30BD60C
5BD board
3Rivet
2Remove the two solders.
15
HCD-XGR80SECTION 3TEST MODE
[MC Cold Reset] The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returningthe set to the customer.
Procedure:1. Turn the power ON or set to the DEMO mode.2. Press three buttons of c/CLOCK SET , TUNER ENTER ,
and \/1 simultaneously.3. The set is reset, and displays COLD RESET, then becomes
DEMO mode.
[Change-over the AM Tuning Interval] The AM tuning interval can be changed over 9 kHz or 10 kHz.Procedure:1. Press the \/1 button to turn the power ON.2. Select the function TUNER, and press the TUNER/BAND
button to select the BAND AM.3. Press the \/1 button to turn the power OFF.4. Press the ENTER/NEXT and \/1 buttons simultaneously,
and the display on the fluorescent indicator tube changes toAM 9 K STEP or AM 10 K STEP, and thus the tuninginterval is changed over.
[CD Ship Mode] (No memory clear) This mode moves the optical pick-up to the position durable to
vibration. Use this mode when returning the set to the customerafter repair.
Procedure:1. Press the \/1 button to turn the power ON.2. Press the EDIT and \/1 buttons simultaneously.3. A message LOCK is displayed on the fluorescent indicator
tube, and the CD delivery mode is set.
[LED and Fluorescent Indicator Tube All Lit, Key CheckMode]Procedure:1. Press three buttons of c/CLOCK SET , ENTER/NEXT ,
and DISC 2 simultaneously.2. LEDs and fluorescent indicator tube are all turned on.3. Press the DISC 1 button, the MODE and DESTINATION are
displayed fluorescent indicator tube.4. Each time the DISC 1 button is pressed, the MC/GC category
version is displayed in the following order.5. Press the DISC 2 button, and the key check mode is acti-vated.
6. In the key check mode, the fluorescent indicator tube displaysK 0 J0 V0. Each time a button is pressed, K value in-creasesto K69call the button is pressed.However, once a button ispressed, it is no longer taken into account.J value increases like 1, 2, 3 ... if turn the . AMS >JOG dial clock-wise,or it decreases like 0, 9, 8 ... if turn the . AMS > JOG dial counter-clockwise.V value increases like 1, 2, 3 ... if turn the VOLUME dialclockwise (+ direction), or it decreases like 0, 9, 8 ... if turnthe VOLUME dial counterclockwise ( direction).
7. To release from this mode, press three buttons in the samemanner as step 1, or disconnect the power cord.
NR MC GC CD CDDM CDMA
CDMBBDABDBSTTATMTC
[Sled Servo Mode] (CD service mode) This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pick-up.Procedure:1. Select the function CD.2. Press three buttons c/CLOCK SET , TUNER ENTER , and
DISC 5 simultaneously.3. The Sled Servo mode is selected, if CD is blanking on the
fluorescent indicator tube.4. With the CD in stop status, press M button in CD section to
move the pick-up to outside track, or m button to inside track.5. To exit from this mode, press \/1 button turn to the power
OFF.Note: Always move the pick-up to most inside track when exiting from
this mode. Otherwise, a disc will not be unloaded. Do not run the sled motor excessively, otherwise the gear can
be chipped.
[Change-over of FUNCTION Name] The FUNCTION name of external input terminal can be changed
over to VIDEO or MD. With the FUNCTION selected to MD,about 5dB mute is applied to the input gain.
Procedure:1. Press \/1 button to turn the power OFF.2. Press \/1 button together with FUNCTION button for
several seconds, and the power is turned on, the display offluorescent indicator tube changes to MD or VIDEOinstantaneously, and thus the FUNCTION is changed over.
[Aging Mode]This mode can be used for operation check of tape deck section.Tape deck section work in parallel. If an error occurred:
The aging operation stops and display then status. If no error occurs:
The aging operation continues repeatedly.
Procedure:1. Load the tapes into the decks A and B respectively.2. Press the FUNCTION button to select the function CD.3. Press the PLAY MODE button to set the ALL DISCS mode,
and press the REPEAT button to REPEAT off.4. Press three buttons of c/CLOCK SET , TUNER ENTER ,
and DISC 4 simultaneously.5. The aging mode is activated, if the indicator of disc tray num-
ber on the fluorescent indicator tube is blinking.6. To release from the aging mode, press the \/1 button to turn
the power OFF and operate the cold reset. (Refer to the MCCold Reset)
1. Display at the Aging Mode Display operating state of tape deck section alternately. If an error occurred, stop display.
16
HCD-XGR80
FWD the tape ATAPE A AG-2
Fast forward the tape ATAPE A AG-3
RVS the tape ATAPE A AG-4
Rewind the tape ATAPE A AG-5
FWD the tape BTAPE B AG-2
Rewind the tape ATAPE A AG-1
Fast forward the tape BTAPE B AG-3
RVS the tape BTAPE B AG-4
Rewind the tape BTAPE B AG-5
Shut off
2 minutes
Shut off or 20 seconds
2 minutes
Shut off
2 minutes
Shut off or 20 seconds
2 minutes
Shut off
Aging mode sequence (Tape deck section):
2. Tape Deck Section The sequence during the aging mode is following as below. If an error occurred, stop display that step.
Note: TAPE * AG- * is display of each step.
3. CD Section The sequence during the aging mode is following as below. If an error occurred, stop display that step.
Aging mode sequence (CD section):
DISC 1chucking
TOC Read
Track 1 Play
Tray Tun
Tray Turn
DISC 4Chucking
2 seconds
Last Track Play
TOC Read
Track 1 Play
Last Track play
[VACS ON/OFF] The volume control by VACS is turned ON/OFF.Procedure:1. Press the \/1 button to turn the power ON.2. Press the PLAY MODE and \/1 buttons simultaneously.3. The reaction display appears when switcing ON/OFF.
2 seconds
2 seconds
17
HCD-XGR80
Torque MeasurementMode Torque Meter Meter Reading
2.9~6.9 mNmFWD (30 to 70 gcm)
(0.42 0.97 ozinch)FWD
CQ-102C0.19~0.59 mNm
back tension (2 to 6 gcm)(0.03 0.08 ozinch)
7.8~16.7 mNmFF/REW CQ-201B (80 to 170 gcm)
(1.11 2.36 oz inch)
SECTION 4MECHANICAL ADJUSTMENTS
Precaution1. Clean the following parts with a denatured alcohol-moistened
swab:record/playback heads pinch rollerserase head rubber beltscapstan idlers
2. Demagnetize the record/playback head with a head demagne-tizer.
3. Do not use a magnetized screwdriver for the adjustments.4. After the adjustments, apply suitable locking compound to the
parts adjusted.5. The adjustments should be performed with the rated power sup-
ply voltage unless otherwise noted.
SECTION 5ELECTRICAL ADJUSTMENTS
DECK SECTION 0 dB = 0.775 VPrecaution1. Demagnetize the record/playback head with a head demagne-
tizer.2. Do not use a magnetized screwdriver for the adjustments.3. After the adjustments, apply suitable locking compound to the
parts adjust.4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.5. The adjustments should be performed in the order given in
this service manual. (As a general rule, playback circuitadjustment should be completed before performing recordingcircuit adjustment.)
6. The adjustments should be performed for both L-CH and R-CH.7. Switches and controls should be set as follows unless other-
wise specified.8. Set to the DOLBY NR OFF.9. Set to the test mode.
(1) Press the \/1 button to turn the power ON.(2) Select the function TAPE A or B.(3) Press the button of c/CLOCK SET , TUNER ENTER ,
and DISC 3 simultaneously, to set the tape deck test modeand displays TEST MODE on the fluorescent indicatortube.
(4) To release from the test mode, press the \/1 button.
Test TapeTape Signal Used for
P-4-A100 10 kHz, 10 dB Azimuth AdjustmentWS-48B 3 kHz, 0 dB Tape Speed Adjustment
18
HCD-XGR80
Record/Playback Head Azimuth Adjustment DECK A DECK BNote: Perform this adjustments for both decksProcedure:1. Mode: Playback (FWD)
set
MAIN boardMD (VIDEO) OUT jack (J701)L-CH, R-CH
+
level meter
test tapeP-4-A100(10 kHz, 10 dB)
Screwposition
L-CHpeak
within1dB
Outputlevel
L-CHpeak
R-CHpeak
within1dB
Screwposition
R-CHpeak
3. Mode: Playback
set
test tapeP-4-A100(10 kHz, 10 dB)
R-CH
oscilloscopeL-CH
R-CH
V H
waveform of oscilloscope
in phase 45 90 135 180good wrong
MAIN boardMD (VIDEO) OUT jack (J701)L-CH
4. Repeat step 1 to 3 in playback (REV) mode.5. After the adjustments, apply suitable locking compound to the
pats adjusted.
Adjustment Location: Playback Head (Deck A). Record/Playback/Erase Head (Deck B).
Tape Speed Adjustment DECK BMode: Playback
+
set
test tapeWS-48B (3 kHz, 0 dB)
MAIN boardMD (VIDEO) OUT jack (J701)L-CH, R-CH
frequency counter
1. Insert the WS-48B into the deck B.2. Press the H button on the deck B.3. Press the H SPEED DUB button in playback mode.
Then at HIGH speed mode.4. Adjust RV392 on the LEAF SW board do that frequency
counter reads 6,000 180 Hz.5. Press the H SPEED DUB button.
Then back to NORMAL speed mode.6. Adjust RV391 on the LEAF SW board so that frequency
counter reads 3,000 90 Hz.
Adjustment Location: MAIN boardSample value of Wow and Flutter: 0.3% or less W.RMS (JIS)
(WS-48B)
forward reverse
2. Turn the adjustment screw and check output peaks. If the peaksdo not match for L-CH and R-CH, turn the adjustment screwso that outputs match within 1dB of peak.
19
HCD-XGR80
REC Bias Adjustment DECK BProcedure:1. Mode: Record
FUNCTION: VIDEO
attenuator
set
MAIN board MD(VIDEO) IN jack (J701)L-CH, R-CH1) 315 Hz2) 10 kHz 50 mV ( 23.8 dB)
600
blank tapeCS-123
AF OSC
2. Mode: Playback
+
set
recordedportion
MAIN boardCN301 pin 1 (L-CH) pin 3 (R-CH)
level meter
3. Confirm playback the signal recorded in step 1 become speci-fication values as follows.If these values are out of specification values, adjust the RV321(L-CH) and RV322 (R-CH) on the MAIN board to repeatsteps 1and 2.
Adjustment level: The playback output of 10kHz level difference against 315 Hz reference should 0.5 dB.
Adjustment Location: MAIN board
REC Level Adjustment DECK BProcedure:1. Mode: Record
FUNCTION: VIDEO
set
MAIN boardMD (VIDEO) IN jack (J701)L-CH, R-CH315 Hz, 50 mV ( 23.8 dB)
blank tapeCS-123600
attenuator
AF OSC
2. Mode: Playback
+
set
recordedportion
MAIN boardCN301 pin 1 (L-CH) pin 3 (R-CH)
level meter
3. Confirm playback the signal recorded in step 1 become speci-fication values as follows.If these values are out of specification values, adjust the RV351(L-CH) and RV301 (R-CH) on the MAIN board to repeat steps1 and 2.
Specification values:CN301 playback level: 47.2 to 53.0 mV ( 24.3 to 23.3 dB)
Adjustment Location: MAIN board
MAIN BOARD (Component Side)
1 18
1 15
CN431
CN371
1 3
IN OUTMD (VIDEO)
CN301
IC301
IC501
RV321REC BIAS
(L-CH)
RV351REC LEVEL
(L-CH)
RV301REC LEVEL
(R-CH)
RV391TAPE SPEED
(NORMAL)
RV392TAPE SPEED
(HIGH)
RV322REC BIAS
(R-CH)
20
HCD-XGR80
CD SECTION
Note :1. CD Block is basically designed to operate without adjustment.
Therefore, check each item in order given.2. Use LUV-P01 (4-999-032-01) unless otherwise indicated.3. Use an oscilloscope with more than 10M impedance.4. Clean the object lens by an applicator with neutral detergent
when the signal level is low than specified value with thefollowing checks.
S-Curve Check
BD boardOscilloscope
TP(FE)TP(DVC)
Procedure :1. Connect oscilloscope to TP (FE).2. Connect between TP (FE) and TP (DVC ( 1.65 V) by lead
wire.3. Press the \/1 button to turn the power ON.4. Load a disc (LUV-P01) and actuate the focus search. (In conse-
quence of open and close the disc tray, actuate the focus search)5. Confirm that the oscilloscope waveform (S-curve) is symmetri-
cal between A and B. And confirm peak to peak level within 20.5 Vp-p.
symmetryS-curve waveform
within 4 1Vp-pA
B
6. After check, remove the lead wire connected in step 2.Note : Try to measure several times to make sure than the ratio
of A : B or B : A is more than 10 : 7. Take sweep time as long as possible and light up the brightness to obtain best waveform.
RF Level Check
TP(RFDC)TP(RFAC)
BD boardoscilloscope
Procedure :1. Connect oscilloscope to TP2 (RFDC) and TP1 (RFAC).2. Press the \/1 button to turn the power ON.3. Load a disc (LUV-P01) and playback.4. Confirm that oscilloscope waveform is clear and check RF
signal level is correct or not.
Note: Clear RF signal waveform means that the shape can be clearly distinguished at the center of the waveform.
VOLT/DIV : 200mVTIME/DIV : 500ns
level : 1.45 0.3Vp-p
E-F Balance (1 Track jump) Check
TP(TE)TP(DVC)
BD boardoscilloscope
Procedure:1. Connect oscilloscope to TP (TE) and TP (DVC) board.2. Press the \/1 button to turn the power ON.3. Load a disc (LUV-P01) and playback the number nine track.4. Press the bB button. (Becomes the 1track jump mode.)5. Confirm that the level B and A (DC voltage) on the oscillo-
scope waveform.
B=1.3 0.6Vp-p symmetry
A (DC voltage)
center ofwaveform
B
0V
Specified level: 100=less than 22%BA
6. Adjust RV101 so that A (DC voltage) becomes 0.
Checking Location:
[BD BOARD]
DVC
RFAC
FESETE
RFDC
RV101
2121
HCD-XGR80
Note on Schematic Diagram: All capacitors are in F unless otherwise noted. pF: F
50 WV or less are not indicated except for electrolyticsand tantalums.
All resistors are in and 1/4
W or less unless otherwisespecified.
2 : nonflammable resistor.5 : fusible resistor.C : panel designation.
Note on Printed Wiring Boards:X : parts extracted from the component side. : Pattern from the side which enables seeing.
(The other layers Patterns are not indicated.) Indication of transistor.
A : B+ Line.B : B Line.H : adjustment for repair. Voltages and waveforms are dc with respect to ground
under no-signal conditions.BD board section no mark: CD PLAYOther board section no mark: TUNER (FM/AM) ( ): TAPE PLAY < >: TAPE REC [ ]: CD PLAY
Voltages are taken with a VOM (Input impedance 10 M).Voltage variations may be noted due to normal produc-tion tolerances.
Waveforms are taken with a oscilloscope.Voltage variations may be noted due to normal produc-tion tolerances.
Circled numbers refer to waveforms. Signal path.F : TUNER (FM/AM)E : TAPE PALY (DECK A)d : TAPE PALY (DECK B)G : RECORDJ : CD PALY (ANALOG OUT)c : CD PALY (DIGITAL OUT)N : MIC INPUT
AbbreviationAR : Argentina modelMX : Mexican modelE51 : Chilean and Peruvian model
Note:The components identified by mark 0 or dotted linewith mark 0 are critical for safety.Replace only with part number specified.
SECTION 6DIAGRAMS
PANEL FL board
TRANS board SUB TRANS board
MAIN board
PA board
SUB AMP board
TC-B board
HEADPHONE boardFRONT INPUT boardCD-R board
CD-L board
MIC/GUITAR board
TC-A board
PANEL VR board
TUNER PACK (FM/AM TUNER UNIT)
SENSOR board
D-SW board
MOTOR board LED board
BD board
6-1. CIRCUIT BOARD LOCATION
B
These are omitted.
C E
Q
B
These are omitted.
C E
Q
C
BThese are omitted.
EQ
HCD-XGR80
2222
6-2. BLOCK DIAGRAMS CD SERVO SECTION
SQSO
SQCK
A/DCONVERTER
CH1OUTF
CH1OUTR
6
7
8
9
15
16
18
11
10
12
21
51
49
48
43
24
4140 39
64 15
28
29
30
31
32
33
24
25
23
5
6
2
3
17
18
15
16
E
B
C
D
APD1
PD2
I1-6
I5-10
LD
PWM3
PWM1
PWM2PD
CD D+5V
F
A
B
C
D
RFSUMMING
AMP
A-D
FOCUSERROR AMP
RF EQAMP
DCAMP
TRACKINGERROR AMP
RFAC
RFDCO
RFDCI
FEFEI
RF AMP,FOCUS/TRACKING ERROR AMP
IC103
TEE
FF I-V AMP
E I-V AMP
LDDRIVEQ101
APC LDAMP
APC PDAMP
BUFFERQ451-454
LD
LDPD
LASER DIODE
RFAC
ASYO
ASYI
ASYMMETRYCORRECTION
DIGITALPLL
DIGITAL SIGNAL PROCESSOR,DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
DATA
XLAT
CLOK
14 5 6
MDP
26 7 8
XLON
3
XRST
DIGITALCLV
D/AINTERFACE
SE TE FERF
DCFO
CUS/
TRAC
KING
/SLE
DSE
RVO
DSP
FOCU
S/TR
ACKI
NG/S
LED
PWM
GEN
ERAT
OR
SFDR
CH3FIN
CH4SIN
CH3RIN
CH3OUTF
CH3OUTR
CH2FINT+
T-
F+
F-
CH2RIN
CH1FIN
CH1RIN
20MUTE
SRDR
TFDR
TRDR
FFDR
FRDR
S101(LIMIT)
EMPH
WFC
KGF
S
MIRR/DFCT/FOK
DETECTOR
SERVO AUTOSEQUENCER
SERVOINTERFACE
CPU INTERFACE
18
6362
6119
SENS
20
35
40
3637
34
19
SCOR
SQ-DATASQ-CLK
CD-DATAXLTCD-CLK
SENS
SCOR
1 2
3233
SCLK
COUT
9 21
SSTP
27
FOK
2223
MIRRDFCT
TO SERVO INTERFACE
CH4OUTF
CH4OUTRM101
SPINDLEMOTOR
MOTORDRIVE
MOTORDRIVE
COILDRIVE
CH2OUTF
CH2OUTR
COILDRIVE
M
M
M102SLED
MOTOR
FOCUS/TRACKING COIL DRIVE,SPINDLE/SLED MOTOR DRIVE
IC102
TRACKINGCOIL
FOCUSCOIL
DIGITAL SERVOPROCESSOR
IC101 (2/2)
OPTICAL PICK-UP BLOCK(A-MAX.3) SW
PD
I-V A
MP
12
11
13
14
54 56 53 55
FILTER
FILO
PCO
CLTV FILI
EFMDEMODULATOR
SERIALIN
INTERFACE
DIGITALFILTER,
NOISE SHAPER
PWM&
INTEGRATORBUFFER
CLOCKGENERATOR
OPTICALTRANSCEIVER
IC451
CD DIGITALOUTOPTICAL
Q809,810LEVEL SHIFT
TIMINGLOGIC
MUTEQ401
DIGITALOUT
INTE
RNAL
BUS
16KRAM
ERRORCORRECTOR
SUBCODEPROCESSOR
60
HOLD
2628 BU-PWM1
BU-PWM2BU-PWM3
PWM1PWM2PWM3 24
43 XRST
XTAI
X10116.9344MHz
AIN1
AIN2R-CH
J702
CD-L
MX
E,E51,AR
R-CH
R-CH RSEND
R
L
L
AOUT1
AOUT2
TO MIRR/DFCT/FOK DETECTOR
PCMDBCK
LRCKC2PO
DOUT
66XTAO
67
70
77
LOUT1
LOUT2
72
75
71
76
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL)
SYSTEM CONTROLLER(CD MECHANISM CONTROL)
IC501 (1/4)
When the optical pick-upis inner position.
ON :
(Page 24)
A
SIGNAL PATH R-ch is omitted due to same as L-ch.
MTR-CTRL1
MTR-CTR2M
TABLE MOTOR DRIVERIC201
OUT2
OUT1
IN2
IN1
M201(TABLE)
DISC TABLESENSORIC202
BU UP/DW SWS201
(UP SWITCH)
TBL-SENS
MOTORDRIVE
49
CD-MUTE 5
48
45
44
LED-DISK 47
1
9
3
7
LED DRIVEQ201
D201(DISC No.)
2829
NCNCNCNC
NCNC NC NC NC
17
NCNCNC
Q412
Q411
RETURN
DJ MIX
2323
HCD-XGR80
TUNER/TAPE DECK SECTION
PB-LB (Page 24)
ST-LRV391D (Page 24)
REC-LC (Page 24)
PBHEAD
DECK-A
DECK-B
TC BLOCK
32
BIAS OSCQ331,332
RIPPLEFILTERQ333
A TRIGDRIVE
SIGNAL PATH
: PLAYBACK (DECK A): PLAYBACK (DECK B): RECORD
: TUNER (FM/AM)
R-CH
FM/AM TUNER UNITCN371
ANTENNA
ST-LOUT
FM ANT
FM ANT
AM ANT
AM ANT
ST-ROUT
ST-MUTESTEREOTUNED
OUT(ST-DIN)IN(ST-DOUT)
ST-CLKST-CE
FM 75
MOTOR-HMOTOR-L
CAP M+
B-SOL
A-SOL
A-HALFB-HALF
A-MODEB-MODE
B-PHOTOA-PHOTO
REC(FWD)REC(REW)
CAPM-H/L
CAPM-CTRL
B-TRIG
A-TRIGTC-RELAY
A-HALFB-HALFA-PLAY SWB-PLAY SW
B-SHUTA-SHUT
REC-AREC-BBIASPB-A/BEQ-H/NALCREC-MUTETC-MUTEAMS-IN
AM
R-ch is omitted due to same as L-ch.
70
A
B
120
ST-MUTESTEREOTUNED
ST-DINST-DOUTST-CLKST-CE
ST-MUTESTEREOTUNED
ST-DINST-DOUTST-CLKST-CE
RV392
BIASTRAP
RECBIAS(L)
34
1
2
3
4
28 27 26
2321
65676668615853
5046
9089575691706951
B TRIGDRIVE 52
CAP MOTORDRIVE 55
CAP MOTORSPEED CONT 54
2123
2722
2523
13 12 11 15 14
SWITCHQ321,322
HPFR-CH
PB-OUT1
ALC1
MUTEQ344,345
AMS DETECTQ341-343
R-CH
R-CH
R-CH
R-CH
RV321
REC(L)LEVEL
RV351
C322,L321
TC A+10
REC/PB SWITCHIC321
REC/PBHEAD
ERASEHEAD
A/B
NORM
/HIG
H
ALC
ON/O
FF
REC
MUT
E ON
/OFF
MUT
E ON
/OFF
IC341
DECK A/B SELECTPB/REC EQUALIZER AMP
IC301
Q334,335
T331
Q383,384
Q381,382
Q385,386
TAPE SPEEDLOW
RV931
TAPE SPEEDHIGH
RV932
Q387,388
SYSTEM CONTROL(CD MECHANISM CONTROL)
IC501(2/4)
REC-OUT
+
HCD-XGR80
2424
MAIN SECTION
PHONOEQ AMPIC601
POWER AMPIC801
CD-L
J701 (1/2)
A(Page 22)
(Page 25)
(Page 23)
C (Page 23)
PB-LB
FUNCTION SELECTSWITCHIC181
R-CH
VOLUMECONTROL
CPUINTERFACEINPUT
SELECTSWITCH
SURROUND ORDPL BUFFER
MID/BASS &TREBLE
R-CH
R-CH
COMMAND
F OUT2OUT1
VLIN1
+
Q802,803LEVEL SHIFT
D803Q112
Q165,166
Q169,170 Q167,168
R-CH
R-CHR-CH
Q113 Q111
R-CH
+
+
+
RV601
MIC AMPIC850 (2/2)
MUTEQ115
MUTEQ701
MUTEQ805,855
DELAYQ833
MUTEQ114
OVER LOADDETECT
Q801, 851
STANDBYSWITCH
Q103, 104
TEMPERATUREDETECT SWITCH
Q831, 832
DC DETECTSWITCH
Q433, 434
INPUT SELECT SWITCH,GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUMEIC111
INA1
INEX1
IND1
L+R
SPEANA
DATA
CLK
EQIC-DATEQIC-CLK
SW-MODE
BB-A
1
BB-B
1
SWOUT
REC-L
R-CH
R-CH
X0 X
A B
X1
TH831
R-CH
R-CH
R-CH
R-CH
+
R-CH
M901(FAN)
R-CH
1
2
FAN MOTORDRIVE
Q961, 962
R-CHR-CH
OVER LOADDETECT SWITCH
Q432
PROTECT SWITCHQ439
OVER LOADDETECT SWITCH
Q437
FRONT SPEAKER PROTECTRELAY DRIVE
Q401, 402
STANDBY SWITCHQ803, 804, 834
TM401
FAN MOTORB+
J802
J801
L
R
PHONOIN
L
RMD IN
GAMEINPUTAUDIO
J701 (2/2)
L
R
MD OUT
D401
D410
RY401
RY402
J803PHONES
+
+
SYSTEM CONTROLLER(CD MECHANISM CONTROL)
IC501 (3/4)+
GUITAR AMPIC853
88
FRONT-RELAY 87
9497
AUDIO-OUT 1
STK-MUTE 83
LINE-MUTE 82
HP-MUTE 86
18 11
12
HP-IN 95
8081
2
14 15
24
18
22 1621
5
36
INB1INC1
4
M
L
R
19
XC-OUT
X50216MHz
X50132.768kHz
XC-IN
X-OUT
X-IN
FUNC-SEL0FUNC-SEL1
11
10
13
71
1413
10 9
12
15
J804 (2/2)
L
R
X215
X311
72
PROTECT
DBFB-H/L
GUITAR
MIX MIC
DISTORTIONE(Page 25)
F
DISTORTIONON/OFF SWITCH
Q880 883
GUITAR AMPIC852
MIC AMPIC850 (1/2)
MIC LEVELRV602
GUITAR LEVEL
ST-LD(Page 23)
J804 (1/2)
J721
GAMEINPUTVIDEO
VIDEO OUT
SIGNAL PATH: TUNER (FM/AM)
: CD PLAY
R-ch is omitted due to same as L-ch.
: TAPE PLAY: RECORD: MIC INPUT
PROTECT SWITCHQ431
FRONT SPEAKERIMPEDANCEUSE 6 16
TM402
L
R
+
+
SURROUND SPEAKERIMPEDANCEUSE 8 16
R-CHTC+10V-VEE
17
NC
Q805,806LEVEL SHIFT8
MIC
RECB
1
7
MIC OUT
CAB
CAB
Q181 Q182
POWER AMPIC10114 9
16
OVER LOADDETECT
Q101, 151
2525
HCD-XGR80
DISPLAY/KEY CONTROL/POWER SUPPLY SECTION
+10VREGULATOR
IC931
+12VREGULATOR
IC911
+12VREGULATOR
IC961
+3.9VREGULATOR
IC922
ST +10V(FM/AM TUNER UNIT B+)
FAN MOTOR B+
TC M+9V(TC MOTOR SECTION B+)
CD M+7V(CD MOTOR SECTION B+)
+5VREGULATOR
IC921
RECTD833 836
RECTD841 844
POWER AMP (IC102,IC801),PROTECT CIRCUIT
POWERTRANSFORMER
T951
RECTD832
RECTD831
35VREGULATOR
Q903, 908AC IN
MX
D+3.9V
LED3.9V
VEE
VFTO FLUORESCENTINDICATOR TUBE
(FL601) VF
+VL
VL
+VH
VH
+10
+15
-10
GRID DRIVEQ608,609
FLUORESCENT INDICATOR TUBE DRIVER,KEY CONTROL
IC601
SYSTEM CONTROLLERCD MECHANISM
CONTROL
IC501 (4/4)
LED DRIVERIC701
BAND-PASS FILTER
IC602
LED+3.9V
BPF-F02BPF-F03BPF-F04BPF-F05BPF-F06
727374
GRID DRIVEQ606,Q607
DET
DET
B.P.F.
75ALL BANDREC IN
LINEIN
ROTARYENCODER
S763
LEDDRIVEQ601
REMOTE CONTROLRECEIVERIC603
ROTARYENCODER
S700
59 JOG A
57 VOL A
58 JOG B
56
82 83
VOL B
XOUT
XIN
B+ SWITCHQ901-904
B+ SWITCHQ602-605
KEY
0
KEY
5
NFF02
NFF04INF05F06
INF03
GR-3
(Page 24)
F
D701-717D719,720
D603-613
D700D801-804
SPEA
NA
LED SELB 55
LED SELA 80
LED DAT 78LED SCK 76
LED LATCH
DATACLK
79
161718
15GR-117
GR-161GR-98
I2C-DATAI2C-CLK
IIC-DATAIIC-CLK
71
6160
29
LED-STBY
D-SW
S746
52
75KEY-POWER74KEY-ECO73
SIRCS
AC-CUT
RESET
4
20
12
1
RESET SIGNALGENERATOR
IC80131
30
CD-POWER 38
A+10V
D961-965
MX
E,E51,ARTC+10V
70
141312
RECLEVEL
11
1516
4
664
6
9
SEG-
1
SEG-
25
18
21,
24
41
43,4
4GR
-2 ,G
R-4-
GR8
GR9-
GR15
20-2
9,1-
7,9-
12
P1
P21
S763
(JOG DIAL)
S611,612,S741-751S613-618,S801-809S601-605,S701-711S606-610,S752-755
S713-723
S700VOLUME
AMS
X6014MHz
EVER +3.9V
STB
+5V (LED)(PANEL SECTION B+)
D+5V (UNSW)(CD TRAY SECTION B+)
FLUO
RESC
ENT
INDI
CATO
R TU
BEFL
601
LID (CD)OPEN/CLOSE
35VFL DRIVER (IC601)
B
CD A+5V (SW) ,CD D+5V (SW)
CD MECHANISMDECK SECTION
B+
Q922
D+5V (SW)(CD SENSOR SECTION B+)
RESET OTM-RESET77 41
S620
ON/OFF
D602 S619POWERSAVE
(Page 24)
E
DIST 53
DIST
ORTI
ON
B+ SWITCHQ921
RECTD902 905
+5VREGULATOR
IC901EVER +3.9V
SYSTEM CONTROLLER (IC501) ,FL DRIVER (IC601) B+
F963
F964
F961
F962E,E51,AR
RY901
STBY-RELAY 84
SUB POWERTRANSFORMER
T901
POWER ON/OFFRELAY DRIVE
Q901
16,1
4
1210
,9,7
-2
.>
VOLTAGESELECTOR
S901
D911-913
VF
RESETSWITCH
Q801
HCD-XGR80
2626
6-3.PRINTED WIRING BOARD BD SECTION See page 21 for Circuit Boards Location.
Ref. No. Location D101 D-4
IC101 C-2IC102 B-4IC103 C-1
Q101 B-2Q102 D-4
SemiconductorLocation12
(12)1-680-003-
BD BOARD
M101SPINDLEMOTOR
M
JR106
JR12
4
JR12
5
C183
C185
R122
C110
C192
C196
R143
C130
R144
C126
IC102
C153
C195
C197
R148
C159
R158
R159
C109
R103
C145
R118
JR10
4C143
C111
C182
IC101
C172
R191
C129
R149
C165
RN101
R116
R102
R193
R194
C125
R192
R190
C181
C121
R105R1
09
R196
C167
R114
C108
C104
R120
C114
R104
R173
R108
R147
C194
C112
C171
R107
R183
R131
C123
C103
R172
C102
R181
R124
R119
Q101
R182
R106
C168
R171
C190
R195
C124
R117
R123
JR103
C118
JR12
3
JR101
JR12
2
JR105
JR102
R101
C101
IC103
FB10
1
Q102
D101
R198
C184
C133
R111
JW10
2
FB10
2
L101
R162
JW132
JW13
6
JW126
JW14
2C131
JW12
0
JW11
0
JW12
8
JW111
C117
C116
JW133
C191
CN102
X101
C162
C198
C122
JW121
CN101
JW11
9
JW11
8
JW127JW113
JW11
4
JW141
JW12
5
JW131
JW138
JW143
JW13
5
JW14
5
JW12
9
JW144
JW11
7
JW139
JW137
JW13
0
JW11
6
JW12
4
JW123
JW140
C127
C193
JW134
JW122
RV101
JW11
5
JW112
+
OPTICAL PICK-UPBLOCK
OP ASSY(A-MAX.3)
M+
E
1
2
7
8
M102SLED
MOTOR
AMAIN
BOARD(Page 33)
1 7 8 14
28 22 21 15
115
3016
E
2 3 4 5
A
1
B
C
D
E
2727
HCD-XGR80
6-4. SCHEMATIC DIAGRAM BD SECTION See page 46 for IC Pin Function.
FE1
TE1
SE1
SPD1
TD1
TD2
FD1
FD2
C109
M102
M101
TP1
TP2
TP3
C101
C102
C103C104
C108
C114
C121
C124
C125
C126
C129
C143
C145
C162
C171 C172
C181
C182
C190
C196
CN101
CN102
D101
IC101
Q101
Q102
R101
R102
R103
R104
R105
R106
R107
R108
R114
R116
R117
R119
R120
R131
R143
R144
R149
R171
R172R173
R181
R182R183
R190
R191
R192
R193
R198
RV101
X101
C112
C168
C198
C122 C191
C127C195
R158
R159
R162
FB101
FB102
L1014.7H
C183C184C185
R196
R195
R194
C192
C116
C130
C118
C131 R122
C117
R148
C110
R123
C123
C111
R109
C159
R118
RN101
R124C165
C197
C153
IC103
IC102
R147
R111
C133
C193
C194
C167
1500
pB
SLEDMOTOR
SPINDLEMOTOR
RFAC
RFDC
VC
3300pB
0.1B
470pB
470pB
0.1B
0.1F
0.1F
0.47
B
0.1F
0.1F
0.01F
0.1F
0.1F
10010V
680pCH
100p CH
680pCH
100p CH
1F
0.1F
21P
16P
UDZ-TE-17-3.9B
CXD3017Q
2SB710-RTX
2SD1664
1k
100k
15k
33k
1k
1k10
k
3.3k
160k
10
1k
2.7k
15k
220
33k
33k
10
22k
22k22k
22k
22k22k
220
33k
33k
120k
0
47k
16.9344
1B
33pCH
10010V5L
10010V5L
10010V5L
10010V5L
0.1F
27k
27k
100k
0H
0H
22000pB 1
B 0.01 B
680
220k
33k
0.1F
10010V
0.1F
1000pB
10010V
100k
10010V
10
3300pB
10k
0.01B
100p
CH
1M
0.01B
100
100
100k0.1
F
0.1B
0.1F
BA5974FM-E2
2.4k
120k
33p CXA2581NCH
100 10V
0.1 F
22pCH
RCH
LCH
FE
SE
VC
XTSL
TES1
TEST
VSS
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR
SSTP
MDP
LOCK
FOK
DFCT
MIRR
COUT
SQSO
SQCK
XRST
SYSM
DATA
XLAT
CLOK
SENS
SCLK
VDD
ATSK
SPOA
SPOB
XLON
WFC
K
XUGF
XPCK
GFS
C2PO
SCOR
LRCK
PCMD
BCK
EMPH
XVDD
XTAI
XTAO
XVSS
AVDD1
AOUT1
AIN1
LOUT1
AVSS1
AVSS2
LOUT2
AIN2
AOUT2
AVDD2
RMUT
LMUT
DOUT
VDD
VSS
AVD
D3 PCO
FILI
FILO
CLTV
AVSS
3
RFAC
BIAS
ASYI
ASYO
AVD
DO
IGEN
AVSS
O
ADIO
RFDC C
E TE
LOUT
ROUT
AVDD
DOUT
SQCK
XRST
DATA
SENS
SCOR
MGND
DGND
DVDD
SQSO
VC
VCC
T-
T+
F+
F-
PD
LDLD DRIVE
AGND
+7V
XLT
CLOK
PWM1
PWM2
PWM3
PD1
PD2
LDON
SW
VCC
GND
LD GND
I1-6
I5-10
FE
FEI
TE
TE_BAL
CEI
CE
VCC
RFG
BST
VFC
RFC
VCRFDCO
RFDCI
DC_OFST LD
PDEQ_IN
AC_SUM
GND
A
B
C
D
E
F
SW
DVCC
DVC
RFAC
PROCESSOR
DIGITAL SIGNAL
DIGITAL SERVO
RF AMP
DRIVEMOTOR/CIL
RV101
E-F
BALANCEOPTICALPICK-UPBLOCK
(A-MAX.3)
The components identified by mark 0 or dotted linewith mark 0 are critical for safety.Replace only with part number specified.
HCD-XGR80
2828
6-6.SCHEMATIC DIAGRAM MOTOR LED SECTION
BMAIN BOARD
(Page 33)
SENSOR BOARD LED BOARD
MOTOR BOARD
6-5.PRINTED WIRING BOARD MOTOR LED SECTION See page 21 for Circuit Boards Location.
BMAIN BOARD(2/3)
(Page 31)
4.8
4.8
4.8
4.8
LED DRIVE
TABLE MOTOR DRIVER
DISC TABLE SENSOR
TRAY
2929
HCD-XGR80
6-8.PRINTED WIRING BOARD MIC/GUITAR SECTION See page 21 for Circuit Boards Location.
Ref. No. LocationIC850 B-3IC852 C-4IC853 C-5
Q880 C-6Q881 D-6Q882 C-6Q883 C-6Q884 B-4
SemiconductorLocation
6-7.SCHEMATIC DIAGRAM MIC/GUITAR SECTION
C802
C801
C836
R854
C810
R852
C805
C818
IC850(1/2)
IC850(2/2)C821
R855
C803
C804
IC852(2/2)R869
C814
IC852(1/2)
R872
C815
FL801
IC853(2/2)
IC853(1/2)
Q881
Q883
Q882
Q880
C880
C813
C816
C884
C881
C882R891
C806
R807
R809
J801
J802
C817
R853
NO802
R882
R881
R880
R883
R884
R885
R887
CN812
R888
C822R874
R867
R873
R857
C837
R878
Q884R876
R877R879
C838
R850
R870
C819
R856NO811
C824
R886
47p
10000p
1000
0p
47k
220p
100k
1000p
47p
NJM4558L
NJM4558L47/16
10k
150V
0.4750V
NJM4558L68k
47p
NJM4558L
2.2k
47p
NJM4558L
NJM4558L
DTC124ESA
DTA124ESA
DTC124ESA
2SC2603
2.250V
0.022
2.250V
2.250V
47p
47p1M
47p
10k
1k
2.250V
1k
47k
47k
10k
47k
470
10k
10k
6PCT-S
1k
47/1615k
2.2k
2.2k
4.7k
1050V
1k
2SC27851k
3301k
1050V
1k
220k
47p
680k3P
2.250V
390k
MIC-VR-IN
MIC-VR-OUT
GND
MIC-OUT
MIC_GND
ECHO/GUITAR-IN
ECHO/GUITAR-OUT
DISTORTION
GUITAR
MIX MIC
+10V
(CHASSIS)
1
2
34
5
67
8
12
3
4
5
6
78
GUITAR AMPIC852
AMP
IC850MIC
12
3
4
5
6
78
GUITAR AMP
Q880-883DISTORTION
ON/OFF SWITCHIC853
MIC/GUITAR BOARD
11(11)1-683-455-
J802GUITAR
J801MIX MIC
IC852
IC853
C881
1
8
1
8
IC850 C806
C818
R858
R887
JW81
3
JW817
Q880
R857
R873JW824
JW818
FL801
C838
C837
C880
C884
R876
R879
R877
R874
Q884
Q883
JW81
2
R888
Q882
R885Q881
R883
R880
R882
R881
C882
JW82
2
R886
R872
JW823
JW814JW819
JW805
JW820JW806
C824
R884
C810
R867
C836
C801
R807
R809
R854
C804
C802
C813
R891
C814
R870
C815
R850R855
C819
R856
R853
JW80
1
R878
JW81
6
C821
C805
R852
C817 C803C822
CN812
C816
JW82
1
JW481JW804
NO811
CLP804
NO802
(CHASSIS)
JW81
5
E E
16
E
E
E
LTCA
BOARD(Page 38) E
MAINBOARD
(Page 33)
1
8
1
3
2 3 4
A
1
B
C
D
E
F
HCD-XGR80
3030
6-9.SCHEMATIC DIAGRAM MAIN (1/3) SECTION
C603
C653
C724
R602
R607
R657
C774
IC601(2/2)
IC601(1/2)
C602
C652
C655 C656
R656R655
C605 C606
R605 R606
R609
R701 R702
R703 R704
R751 R752
R753 R754
C701
C751
Q751
Q611R611
R612
R614C612 R613
CN722
JR723
R724
C753
C112
C161
C162
C163
C164
C165
C115
C113 C1
14
C111
C166
C167
C170
C171
C168
C121
C118
C120
C117
C116
R172
R163
R122
R113R111
R161
R112
R162
C133
C132
C610
C182
Q182
Q167 Q169
Q168Q170
Q165
C160
C110
Q113
Q163
Q111
Q112
Q162
Q161
R127
R128
R125
R179
C124
C174
Q114
Q164
R174
R124 R126
R180
Q115
Q116
R134
R118
R116
R115
R165
R166
C137
C138
R135
C772
R603
R653
R608
R658
C702
C752
Q701
R755
R705
C704
C754
R706
R756
C703
C183
R182
R181
C722
C613
C611
C135
C134
R167
R117
R129
R130
Q166
C771
C136
J721
R708
R709
R758
R759
R710 R760
C705 C755
JW70
1
JW75
1
R131
JR181JR182
J701
C119
R114R132
R123
R173
R119
C609
C193
C181
JW722 R722
Q181
R136
R133
R176
R168
C122
C123
R121
C173
C172
R171
IC111
IC181
C601
C651
R601
C608
R652
R651
C658
C654
C604
R604
R654
C607
C657
R707
J702
C131
R137R120
R169
R170 R138
R757
C169
100p
100p
470p
1k
1k
1k
0.1
NJM4558M
NJM4558M
100p
100p
0.0047PET
0.0015PET
47k560k
0.0047PET
0.0015PET
560k 47k
2201/10W
1k 100k
1k 100k
1k 100k
1k 100k
220p
220p
2SC3623A
2SC26031k
1k
1k0.01 330
5P EH-S
0
10k
10 50V
1050
V
1050
V
1050
V
1050
V
1050
V
1050
V10
50V
1050
V
1050
V
1050
V
0.02
2 0.0
22
4700
p
1050V
1050V
1050V
1050V
4700
p
0.02
2
0.02
2
2.2k
1M
2.2k
1M2.2k
2.2k
10k
10k
1050
V
100 16V
10016V
0.1
DTC124ESA
DTA124ESA DTA124ESA
DTC124ESADTC124ESA
DTA124ESA
1050
V10
50V
2SK1825
2SK1825
2SK1825
2SK1825
2SK1825
2SK1825
220k
220k
10k
10k
2.250V
2.250V
2SC3623ATP
2SC3623ATP
10k
10k 10k
10k
2SC3623ATP
2SC3623ATP
1M
220k
47k
47k
47k
47k
3300
p33
00p
0
0.1
47k
47k
100k
100k
220p
220p
2SC3623A
10k
10k
1050V
1050V
2.2k
2.2k
1050V
0.1
10k
10k
100010V
4716V
4716V
4716V
0.01
220k
220k
1M
1M
2SC2603
0.1
1050V
1P
1k 1k1k 1k
100k 100k
220p 220p
10k
00
6P
0.04
7
1M10k
100k
100k
560
0.01
0.1
0.1
39
DTC124ESA
0
4.7k
22k
220k
0.33 MF
0.33MF
680k
0.33MF
0.33MF
680k
M61519FP
MC14052BF-
330p
330p
1k
1050V
1k
1k
1050V
2.250V
2.250V
1k
1k
0.033MF
0.033MF
1M
4P
0.068
0220k
680
220k 0
1M
0.03
3
TA-MUTE
MC1
SPE-SIG
DBFB
MIC-SIG
L-CH SIG
R-CH SIG
CD-R
CD-L
TCPB-R
TCPB-L
ST-L
ST-R
TCREC-R
TCREC-L
PL A+10V
+10V
RECOUT-MUTE
AC-MUTE
80
81
71 72
94 97
VIDEO2
V.GND
V2.AU.L-CH
A.GND
V2.AU.R-CH
IC601
PHONO EQ AMP L LR R
SEND RETURN
DJ MIX
L
R
L
R
L
R
PHONO IN
MD IN
MD OUT
VIDEO OUT
(CHASSIS)
1
2
3
4
8
5
67
MUTE
MUTE
MUTE
MUTE
Q116,164
Q114,115
S
S
S
S
S
S
MODEL
MODEL
VOLUME
INPUT SELECT
SWITCH,
EQ CONTROL,
GRAPHIC
ELECTRICAL
INVERTERQ181,182
FUNCTION
SELECT
SWITCH
AMPQ167-170
SWITCH
Q111,112,113
SWITCHQ161,162,163
AMPQ165,166
MX
E,E51,AR
3131
HCD-XGR80
6-10.SCHEMATIC DIAGRAM MAIN(2/3) SECTION See page 48 for IC Pin Function.
R513
R527
R529
R530
R532
R533
R543
R557
R573
R574
R575
R580
R581
R584
R585
R587
R588
R589
R590
R591
R802
R804R805
R806
Q801
R517
D802
X502
D808
D807
D806
D805
D431
D809
R556
R595
C598
C599
R504
R549
C402
C407
Q401
Q402
R407
R408
JW406
JW407
JW408
JW409
JW410
C410
CN411
R413 R414Q411
Q412
R534
TP539R541
R547
R521
R522
R523
C801C802
C803
C806
R570
TP56
3
R586
R583
R503
R501
R505
R572 R571
R509
C512
JW600
R803
IC801
C804
R453
R452
R454
Q452
Q454
Q453
Q451
R412
R810
R808
Q803
Q805
C405
C406
L451 C452
JW401
JW402
JW403
R525
R528
C510 C511
IC451
R540
Q802
Q806
R812
R519
R531
R516
CN431
R537
R536
R535R599
R582
R451
R403
R406
R405
C414
C431
R410
R401
D810
C562
C563
R511
C516
JW51
8
R402
R404
CN401
IC501
CN441
R592
R596
R524
R526
R502 C408
R807
X501
R548
D803
R813
R431
R597 R598
FB5990H
R594
FB5160H
D801
D804
R801
C403
C404
C412 C411C413
C401 FB402
C415
C416
FB403 0H
0H
0H
100H
FB5620H
Q810
R814
R815
R816
Q809
R593
FB404
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
4.7k
47k47k
10k
2SC2603
10k
1SS355
16MHz
1SS355TE-1
1SS355TE-1
1SS355TE-1
1SS355TE-1
1SS3
55
EC10
DS2
100
100
0.1
47 16V
100
10k
10006.3V
0.1
2SC3623A
2SC3623A
0
0
47010V
9PCT-S
10k 10kDTC124ESA
DTC124ESA
100
100
100
100
100
100
10 500.1 MF
0.1MF
2.250VB.P.
100
100
100
100
10k
10k
15k 15k
10k
0.1
4.7k
M62703ML
10006.3
10k
10k
10k
2SA1115
2SC2603
2SA1115
2SC2603
15k
100k
100k
DTA124ESA
DTA124ESA
100p
100p
4716V
100
100k
18p 22p
TOTX141
47k
DTC124ESA
DTC124ESA
3.3k
100 10k
10k
19PFFC-S
100
100
10010k
10k
10k
100
10k
10k
0.1
0.1
4.7k
100
EC10DS2-TE
0.1
4716V
330k
0.1
3.3k
3.3k
21P
M30622MCN-A01FP
11P
4.7k
4.7k
100
100
100
10006.3V
0
32.7
68kH
z
100
1SS355
10k
100k
47k 47k
1k
1SS355
1SS355
220
1050V
1050V
4700p 0.470.01
0.1
2200p
2200p
DTA124ESA
22k
22k
100k
DTC124ESA
150
TA-M
UTE
MC1
ST-R
ST-L
ST +10V
CD-L
CD-R
CD D+5V SW
CD A+5V SW
M +7V
SPE-SIG
VFDP
MC2
VF1
VF2
MIC-SIG MIC
D+5V UNSW
EVER+3.9V
RECO
UT-M
UTE
TC+10V
-VEE
LED 3.9V
D 3.9V
BPF+10V
AC-M
UTE
MC3
D+3.3V
33
37
38
32
35
35
37
32
33
19
29 30
29
30
49
45
44
47
48
44
45
47
48
49
19
34
34
43
43
80
81
97
7172
24 26 28
24
26
28
83
84
85
87
88
95
4
4
737475
73
74
75
82
5152535455565758656667686970 61
40
40
41
41
94
86
46
50
36
36
89
90
91
27
25
23
22
3
2
21
2 3
232221 25 27
82
ST-CE
ST+10V
STEREO
TUNED
ST-MUTE
ST-CLK
A-GND
RESE
TX-
OUT
VSS
X-IN
NMI
SCOR
IIC-C
LK
IIC-D
ATA
SQ-CLK
CD-DATA
CD-CLK
VSS
B-SHUT
A-SHUT
AVSS
VREF
AVCC
XC-IN
XC-O
UT
D-GND
D-0UT
R-CH
A-GND
L-CH
M-GND
X-RST
X-LAT
SENS
SQ-CLK
SQ-DATA
SCOR
CD-DATA
CD-CLK
D.GND
D.OUT
M+7V(UNSW)
TBL.R
TBL.L
M.GND
TRAY.SENS
D.GND
LED
UP.SW
VF
VF
VFDP
SPEANA
RESET
MIC-SIG
CD-POWER
REAR-RELAY
STBY-RELAY
FRONT-RELAY
PROTECT
STK-MUTE
HP-IN
EQIC-CLKLINE-MUTE
EQIC
-DAT
PL-C
LK
PL-
DAT
PL-
LAT
VID
EO-M
UTE
LED-
STBY
KEY
-POW
ER
KEY-
ECO
FUNC
-SEL
1
FUNC
-SEL
0
MODEL-IN
DEST-IN
SW-MODE
AUDI
O-O
UTST
EREO
TUNE
D
SIRC
S
BYTE
CNVS
S
VCC
RDS-
INT
ST-M
UTE
ST-C
E
ST-D
OUT
BU-P
WM
3
ST-D
IN
BU-P
WM
2
ST-C
LK
BU-P
WM
1
SENS
SQ-DATA
CLK-OUT
HOLD
OTM-RESET
XLT
XRST
MTR-CTRL2
MTR-CTRL1
LED-DISC
BU UP/DW SW
TBL-SENS
A-HA
LF
TC-R
ELAY AL
C
PB-A
/B
EQ-H
/N
BIAS
SOFT
-TES
T
VCC
REC-
MUT
E
NR-O
N/OF
F
REC/
PB/P
ASS
TC-M
UTE
B-PL
AY S
W
A-PL
AY S
W
CAPM
-CTR
L
CAPM
-H/L
AMS-
IN
B-TR
G
A-TR
G
PWM3
PWM2
PWM1
LD-ON
ST-LOUT
ST-ROUT
IIC DATA
IIC CLK
3.3V
EVER 3.3V
SIRCS
KEY ECO
KEY POWER
LED STBY
+5V
+7V
GC 3.3V
DBFB-H/L
CD-M
UTE
HP-MUTE
+10V
PANEL GND
REC-B
REC-A
RDS-DATA
AC-C
UT
IN(ST-DOUT)
OUT(ST-DIN)
B-HALF
LED 3.9V
DSP+5V(SW)
RF+5V(SW)
PANEL GND
LED 3.9V
INVERTER
Q411,412
BUFFER
Q451-454
MUTE
Q401,402
RESET SWITCH GENERATOR
SYSTEMCONTROL
LEVEL SHIFTQ802,803
LEVEL SHIFTQ805,806
RESET SIGNAL
CDDIGITAL
OUTOPTICAL
TUNER PACK
HCD-XGR80
3232
C354
TP35
1
TP35
2
R354
C356
C306
TP30
2
TP30
1
C304
R304
C307
C357
TP303
TP304
IC321PC1330H
C321
RV321 RV322
C327C326
T331
Q331
Q332
C334
C335
R333
R334
C338
C332
Q381 Q383R381 R384
R383 R386 R390R388
R389
C381
R382
C382
R385
CN301
C312
C341
R350
R346
R347
IC341(2/2)
IC341(1/2)
R378
R371
R372
CN371
Q384
Q385
Q386
R387
C351
C301
R377
R375
R374
C347
C358
C308
C359
C309
R393
L322
L321
C324
C325
D381
D382
Q382
Q388
Q387R394
RV392
RV391
CN311
CN321
R349
R338
R339
Q342
Q343
Q341 R340
C342
R341
R342
R326
R327
R324
R325
C343
C344
C348
R308
RV351
R328
R329
R336
C337
Q333
C331
Q322
Q321
R330
Q335
Q334R337
JR30
1
L301100
C353
C303
R302
C302
R352
C313
R311
Q344
Q345R318
R320
C350
JR353
JR303
C912
C911
Q922
C924
C926
IC931
C903
CN902
CN903
C921
C962
CN901
C902C925
C922
C963
C311
D913
D912
D911
R963
CN961
JW962 C961
R961
Q962
Q961
R962
IC911
IC922PC3504AHF
C923
R922
C901
C305
RV301 R310
R358
C352
JR351
Q921
R321
R331
R332
EP901
C913
C345
C346
R319
IC921PC7805AHF
IC961PC7812AHF
C349
R343
R348
R355
C355
R351
R344
IC301
R345
R301
R305
R309 C310
C322
C328
C329
C323
C333
C336
R335
R391
R392
D961 D962 D963 D964 D965JW961
1050V
2.2k
2.250V
2.250V
1050V
2.2k
47 16V
47 16V
1050V
220k 220k
27p50V
27p50V
BIAS TRANS
2SC2001
2SC2001
6800
pPE
T
6800
pPE
T
18k
18k
4716V
2.250V
2SB1116 2SB1116680 680
2.2k 2.2k 3.3k3.3k
3.3k
0.0047
2.2k
0.0047
2.2k
3PMOLEX
10 50V
47010V
10k
10k
10k
NJM4558M
10k
10k
10k
15PFFC-S
DTC124ESA
2SB1068
DTC124ESA
47k
0.01PET
0.01PET
10k
10k
10k
1050V
390p
390p
390p
390p
10k
27mH
27mH
330p
330p
1SS3
55
1SS3
55
DTC124ESA
2SK1825
DTC124ESA220k
2.2k
4.7k
3P EH
8P EH
4.7k
22k
10k
DTC124ESA
DTC124ESA
2SC2603 10k
0.1
1k
1k
10k
10k
2.2k
2.2k
0.022PET
0.022PET
2250V
22k
22k
12k
12k
2.2k
1050V
2SD1387
0.01100VPET
DTA124ESA
DTC124ESA
22k
2SB1116
DTC124ESA3.3k
0
0.1MF
0.1MF
4.7k
10 50V
4.7k
1050V
4.7k
DTC124ESA
DTC124ESA10k
2.2k
1
0
0
47010V
10025V
DTC124ESA
4716V
4706.3V
M5F7810L
47016V
13P
3PCT-S
220016V
0.1
13P
0.125V0.116V
0.116V
4716V
10016V
EC10DS2
EC10DS2
EC10DS2
2.2k
3PEH-L
0.1
4.7k
2SB1116A-L
2SC2603-EF
22k
TA8662N
10006.3V
0
470025V
0.150V
22k 10k
10k
1050V
0
2SB1375
10k
5.61/4W
FR5.6
1/4WFR
4716V
2.250V
2.250V
100k22p
1M
10k
47k
150V
3.3k
10k
HA12237F
10k
3.3k
47k
1M 10
120pPET
0.01B
0.01B
120pPET
0.015PET
0.01
8PE
T
22k
3.3k
2.2k
EC10DS2 EC10DS2 EC10DS2 EC10DS2 EC10DS2
TCREC-L
TCPB-L
TCREC-R
TCPB-R
D+3.3V
D+5V UNSW
CD D+5V SW
CD A+5V SW
M +7VST +10V
+10V
VF1
VF2
VFDP
MC2
DBFB
L-CH SIG
R-CH SIG
MIC
TC+10V EVER+3.9V
BPF+10V
LED 3.9V
-VEE
D 3.9V
PL A+10V
MC3
69
52
65
51 5455
84838885
38
87 95 86
5046 577056
53
61
67
66
68
58
89 90 91
4656 5770 91 50
L-PB
L-REC
R-PB
E-HOT
R-REC
L-PB
R-PB
GND
GND
GND
A-HA
LF
B-HA
LF
REC(
REW
)
REC(
FWD)
A-SO
L
B-SO
L
A-M
ODE
B-M
ODE
A-PH
OTO
CAPM
+
B-PH
OTO
MOT
OR-H
MOT
OR-L
GND
M-G
ND
SW-G
ND
FAN+
FAN-
A.GN
D
DBFB
FAN.
DET
LCH-
IN
RCH-
IN
F-RE
LAY
PL-R
ELAY
POW
ER G
ND VFVF
VF(-
35V)
D.GN
D
MIC GND
MIC
HP.S
W
POW
ER
STK
POW
ER
FAN+
HP M
UTE
EVER
+3.9
V
+10VN
C
UNRE
G+10
V
UNRE
G+15
V
+10V
NC
15VG
ND
10VG
ND
-VEE
PROT
ECTPB-REC SWITCH
IC321
1
2
3
5
4
67
8
Q961,962
FAN SWITCH
+12V REGULATOR
+12V REGULATOR
+5V REGULATOR
+10V REGULATOR+3.9V REGULATOR
M901
DRIVEB TRIG
Q381,382
DRIVE DRIVE
Q383,384 Q385,386
Q387,388CAP MOTORSPEED CONT
CAP MOTORA TRIG
SELECT
DECK A/B
REC/PB EQ AMP
IC341
HPF
MUTE
Q344,345
Q341-343AMS DETECT
INVERTERINVERTER
SWITCH
Q321,322
OSC
BIAS
Q331,332
RIPPLE
FILTER
SWITCH
Q334,335
Q333
CHECK
FOR
TAPE A
HEAD
HEAD
TAPE B
TAPE
MECHANISM DECK
(CHASSIS)
TAPE SPEED
TAPE SPEED
(NORMAL)
(HIGH)
REC LEVEL
(R)
REC LEVEL
(L)
(L)
REC BIAS REC BIAS
(R)
MODELMX
E,E51,AR MODEL
6-11. SCHEMATIC DIAGRAM MAIN (3/3) SECTION
The components identified by mark 0 or dotted linewith mark 0 are critical for safety.Replace only with part number specified.
3333
HCD-XGR80
6-12.PRINTED WIRING BOARD MAIN SECTION See page 21 for Circuit Boards Location.
IC181
IC601
D801
D802
IC501
C922
C925
C902
D911 D912
D913
JR13
R757
FB404 FB40
2
FB40
3
L451
IC111
R111
R112
R131
R161
R162
R113
R115
R116R
117
R118
R119
R120
R122
R123
R124
R163
R165
R166
R167R168
R169
R170
R171
R172
R173
R174
R132
JR22
R405
R406
R451
R452
R453
R454
R412
R413
R414
D810
R534
FB56
2
R599
R592
FB59
9
FB516
D805
D807
D809
D808
R509
C512 R598
R652
MX
R654
R655R653
R656 R657
R658
R609
R605R604
R602R601
R606 R607
R759
R760
R709
R758
R710
R708
R754
R753 R75
6R7
01
R755
R751
R752
R702R707
R703
R704
R706
R705R724R722
R963
R961
R962
R922
R402
R401
R408R407
R403
R404 R810
R808
R807
R803
R802
R804
R801
R806
R805
R505 R503
R504
R593
R596
R595
R591
R594 R590
R597
R588
R586
R587
R585R584
R583R581
R580
R570
R573
R574
R575
R572
R557
R556
R548
R547
R549
R543
R541
R529R532
R533
R526
R525
R522
R530
R517
R513
R519
R521
R524
R523
R527
R535R537
R540
R377
R374
R375
R371R3
72
R378
R431
R501
R502
D804
D806
C653
C652
C609
C603
C601C651
C602
C755
C705
C772
C771
C752
C701
C751
C702
C193
C182
C724
C774
C961
C183
C181
C405
C407
C401
C406
C516
C511
C510
R511
C598
C562
C431
R603
JR18
2
JR72
3
JR18
1
D803
R381
R382
R383
R384
R385
R386
R387
R388
R389 R39
0
R391
C381
C382
R341
R342
R343
R344 R345
R346
R347
R348
IC341
C342
R350
C326
C327
R333
R334
R321
R324
R325
C324 C325
C308
C358
C359 C309
R309
IC301
R308
R301
R302
R304R305
R351
R352
R354
R355
JR7
R133
C134
R392
C349
R340
R571
R531
R516
R528
C612
R614
R612
R611
R613
R608
D431
R589
JR30
D961
D962
D963
D964
D965
R182
R181
R176
C962
MX
E,E51,AR
MX
C329C328R327R326
R358
R349
R339
R338
R310
R393
R394
D381
D382
R582
C414
R410
C413
C412
C411
R536
R812
R813
R127
R128
R125
R179
R180
R126
R328
R329
R134
R130
C138
R136
C137 R135
R330
R335
R336R337
JR16
JR17
JR12J
R24
JR25
JR15
JR29
18
169
JR23
JR27
JR21
JR20
JR31
JR3
JR4JR5
JR6
JR14
JR1
JR26
R318
R319
R320
JR30
1
JR35
1
L301
JR35
3
JR303
C415
C416
R311
R138
R137
JR32
R814
R815R816
R121
R129
CLP2
CLP4
IC921
IC931
C604
C654
C722
X502
Q803
C599
Q921
CN901
EP90
1
RV30
1
Q962
Q802
Q961
CN902
C923
Q922
C924
IC922 C926
C903
C901
IC911C912
C911
CN961
C913
CN722
JW721
Q751
Q701
C753
C754
C703
JW751
JW701
C704
C658
C608
C610
C657
Q611C611
C613
CN903
CN411
C410
JW40
7
JW408
C408
IC451
C452
C111
C112
C113
C114
C115C116
C117
C118
C119
C120
C121
C131
C161
C162
C163
C164
C165
C166
C167
C168
C169
C170
C171
C133
C135
C124
C174
Q113
Q114
Q164Q163
Q162
Q161
Q112
Q111
C122
C123
C172
C173
C132
Q401
Q402
Q453
Q454 Q451
Q452
Q411
Q412
X501
JW40
1JW
402 JW
403
JW518
C806
C803
C801
C804
IC801
Q806 JW600Q801
JW409
JW410
CN441
CN401
Q381
Q383
Q385
CN371
C563
C341
C345
C346
C347
C348
Q341
JW442
JW441
C343
C344
IC321
T331
C331
RV32
1RV3
22
C332
Q331
Q332
C333C
334
C335
C336
Q334
Q321C321
C322
C323
C311
R331
R332
L321
L322
C307
1
3
C312
C357
C301
C351
C304
C306
C302
C354
C352
RV35
1
C356
Q386
Q384
Q382
C404C403
C402
JW12
JW16
JW25
JW28
JW34
JW36
JW37
JW38
JW39
JW40JW41
JW42
JW43JW44
JW49
JW51
JW55
JW57JW58JW59
JW60
JW61
JW64JW65JW66
JW67
JW74JW75JW76
JW80JW81
JW82JW83JW84
JW85JW86
JW87JW88
JW90
JW91
JW92JW93
JW95
JW96
JW97
JW101
JW10
2JW
105
JW10
6JW
107
JW11
2
JW113 JW
116
JW117
JW119
JW121
JW123
JW124
JW125
JW126
JW127
JW131
JW133
JW13
8JW
139
JW14
2JW
143
JW14
5JW
146
JW14
7JW
148
JW14
9JW
150
JW15
1
JW15
3
JW15
4JW
155
JW15
7JW
158
JW163
JW16
6
JW16
7JW
168
JW16
9JW
170
JW17
1JW
172
JW17
3JW
174JW
175
JW17
6
JW17
7JW
178
JW17
9JW
180
JW18
1
JW18
3JW
184
JW18
5
JW18
6JW
187
JW18
8JW
189
JW19
0JW
191
JW19
2
JW19
3
JW196
JW19
7
JW198JW199JW200
JW201
JW202
JW203
JW20
4
JW20
5JW20
6
JW20
7JW
208
JW20
9
JW21
0
JW21
1
JW21
2JW
213
JW21
4
JW21
5JW21
6
JW21
7
JW218
JW219JW221
JW22
3
JW227
JW228
JW229
JW230JW231
JW232
JW233JW234
JW235
JW236
JW237
JW238JW239
JW248
JW249
JW25
0JW251JW252JW253
JW254
JW255JW256
JW257
JW25
8
JW25
9
JW26
0
JW26
2
JW26
7JW
268
JW26
9
JW27
0
JW27
1JW
272
JW27
3
JW27
4
JW27
5
JW27
6JW
277
JW27
8
JW28
0JW
281
JW28
2
JW28
6
JW30
1JW
302
JW304
JW305JW306JW307JW308JW309
JW32
3
JW33
2
JW33
3
JW33
8
JW343
JW34
4
JW34
7JW
348
JW35
3
JW35
4JW
355
JW35
6
JW35
7
JW35
8
JW35
9
JW36
0
JW36
6
JW36
7JW
368
JW37
1JW
372 JW
373
JW37
4JW
375
JW38
0
JW381
JW382
JW383JW385
JW386
JW387
JW38
8JW
389
JW391
JW300JW722 JW793
JW39
7
JW39
9
JW50
1JW
502
JW50
3 JW50
4JW
505
JW50
6JW
507
JW50
8
JW509
JW51
0JW
511 J
W51
2 JW51
3
JW514
JW51
5
JW51
6JW
517
JW52
0
JW52
1JW
522
JW52
3JW
524
JW525
JW526
E,E51,AR
JW52
7JW
528
JW52
9
JW53
0
JW53
1
JW53
2
JW53
3
JW53
4
JW53
5
JW536
JW537JW538
JW539
JW540
JW541JW542
JW543
JW544
JW545JW546JW547
JW550JW551JW552
JW55
3
C607
C606C605
C655
C656
C802
JW556
JW33
6
JW33
7
JW37
6
JW27
9
JW287JW288
JW28
5JW
284
JW28
3
JW15
6
JW310
JW36
1
JW39
6
JW39
8
JW295JW296JW297
JW164
RV39
2RV
391
JW55
7
JW18
2
JW18
JW246
JW247
JW55
8
JW414
JW37
9
JW37
8
JW37
7
JW55
9
JW560
JW500
JW56
1JW
562
JW56
3JW
564
JW56
5JW
566
JW57
3JW
574
JW14
1
JW14
4
JW14
0
JW56JW20
JW19
JW161JW162
JW71JW72
JW62
JW63
JW1
JW73
JW94
JW77
JW79JW78
JW15
JW17
JW5
JW4JW2
JW3JW
14JW
13
Q388
Q387
JW548JW549
JW443
JW10
JW26
4
JW34
5
JW89
JW98
JW70
JW130JW129
JW242JW243JW244
JW11
8JW
111
JW128
Q807
Q808
Q810
Q165
Q166
Q167Q168
Q169Q170
JW57
5JW114
Q181
Q182
JW577
JW39
5
JW39
4
JW384
JW7
JW8
JW11
JW290
JW294JW555
JW16
5
JW299
JW293
JW289
JW292JW291
JW300
JW6
JW36
5
JW9
JW21
JW37
0JW36
9
JW57
1JW
572
JW36
4JW
363
JW36
2
JW56
9JW
570
JW32
0
JW32
2
JW32
4
JW32
5JW
326
JW56
7
JW31
1JW
312
JW31
3
JW31
5JW
316
JW31
7
JW32
7
JW31
4
JW31
8 JW22
JW328
JW330JW329
JW68
JW26
3JW29
8
JW26
5JW26
1
JW26
6
JW319
JW34
9
JW34
6
Q342
Q343
JW568
C160
C110
JW24
CN311
CN321
C310
JW32
JW31
IC961 C963
JW961
JW96
2
JW103
JW10
4 JW57
8
JW135
JW120
JW57
9JW
580
JW35
2
JW35
0
JW58
1
JW58
2
JW576
Q115
Q116JW583
JW34
2
C136
JW29
C921
JW220JW222
JW225JW226
JW22
4
JW34
0
JW35
JW160
JW159
JW48
CN301
JW50
JW30
JW46
JW53
JW58
5
JW58
6
Q322
JW45
JW47
JW52
JW15
2
JW69
JW100
JW99
JW10
9
Q335
C338
Q333
C337
JW303
C305
C355
JW27
JW33
JW41
5
JW40
0 JW
23
JW554
JW60
1
JW602
JW603
Q344Q345
C350
JW58
7
JW34
1
C313
JW588
JW33
1
C303
C353
JW115
JW122
JW136JW137
JW240
JW245
JW132
JW241 JW134
CN431
JW194
JW406
JW54
JW33
9
JW58
4
JW41
1
JW11
0Q809
CD DIGITALOUT
OPTICAL
M901FAN
21 1
22 42
J701
J702
J721VIDEOOUT
E
E
EE
EEEE
E
E
E
E
E
E
E
E
EE
E
E
3
1
3
1E
E
E
E 13
1 3
E
E
EE
E
E
E
E
E
E E
E
E
E
E
E
E
E E
(CHASSIS)
PABOARD
(Page 40)
G
PABOARD
(Page 40)
F
1 9
AMOTORBOARD
(Page 28)
BDBOARD
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PANEL FLBOARD