Sony HCD-GRX40AV / HCD-RXD6AV / MHC-GRX40AV / MHC-RXD6AV Service Manual ▷ View online
HCD-GRX40AV/RXD6AV
21
21
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
C
: panel designation.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
f
: AM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
c
: digital out
: MD
: MD
• Abbreviation
MX
: Mexican model
SA
: South American model
AUS
: Australian model
G
: German model
AED
: North European model
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
1
IC701
#£
(PLAY MODE)
2
IC701
2
(FEI)
(PLAY MODE)
3
IC701
$¶
(TEI)
(PLAY MODE)
4
IC703
@¡
(MDP)
5
IC702
$ª
(B) GFS
7
IC702
&¡
(XTAO)
Approx. 1.0Vp-p
Approx. 0.1Vp-p
Approx. 0.1Vp-p
2.4Vp-p
0.1
µ
sec/div
0.1V/div
7.7
µ
sec
5.7Vp-p
4.2336MHz
16.9344MHz
5.6Vp-p
(PLAY MODE)
8
IC601
$º
(X' TAL)
4.8Vp-p
10MHz
7.2MHz
3.6Vp-p
9
IC103
@™
(X OUT)
90.790kHz
52Vp-p
!º
CN202
4
(PLAY MODE)
(REC MODE)
6
IC702
%™
(A) C4M
CD DECODER SECTION
FLD SECTION
MAIN SECTION
•
WAVEFORM
7-2. CIRCUIT BOARD LOCATION
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
MAIN board
CD DECORD board
AMP board
FLD board
FUSE board
SW (A) board
SW (B) board
SW (C) board
KEY board
SENSER board
H/P board
FRONT AMP board
FRONT board
SW (D) board
MOTOR board
PHOTO SOCKET board
TR board
MOTOR (6P) (S) board
HCD-GRX40AV/RXD6AV
22
22
7-3. PRINTED WIRING BOARD MAIN SECTION
• Refer to page 21 for Circuit Boards Location. • Refer to page 21 for Note on Printed Wiring Boards.
RL401
Q414
D421
R472
D420
R441
R427A
Q412
Q415
R427
Q413
R403A
R425
R424
R473
R474
Q401
R403
R426
Q405
R408
C440
R440
C424
D405
C425
C426
CN301
Q403
R406
C432
D407
C431
C434
C433
R253
C218
R219
C217
R220
D205
R237
Q252
R254
C352
R392
IC306
C348
R390
C350
R387
R235
R236
Q214
C234
Q253
R222
C230
R232
R228
C232
Q251
R252
C251
C222
R230
R224
C219
C228
IC201
C231
C272
C224
R226
C254
C252
R251
C255
C226
C212
R208
R210
C208
C206
C201
C205
R201
C253
C204
R206
C210
L201
Q202
R204
Q201
R240
D201
C202
R202
R206A
CN201
1
11
13
24
R239
R225
C225
CN203
Q206
R240A
Q204
Q419
L405
C453
R442
R443
Q420
C454
CN303
R444
CN102
C422A
Q203
R242
R241
R246
R243
R244
R245
D202
CN202
R203
Q205
C237
Q207
C203
R205A
C223
R205
C209
C221
D204
D203
R373
R367
Q309
R370
R368
R374
R372
Q311
C256
R262
R255
R365
R366
D418
R247
Q209
Q208
C238
R248
R263
C271
R371
R378
R380
C342
C344
C3133
R376
R379
C343
IC305
R3134
R358
R360
Q315
R3118
R3133
R3119
Q313
Q312
R3117
C3121
R363
R3135
R3132
R3114
R3112
C3120
C3122
R3113
R3115
R359
IC303
C3119
C3117
C3118
R3110
R3111
C372
C368
C367
R3108
R3109
C375
C374
R318
R317
C356
R375
C357
C341
C329
Q314
R3116
CN101
R316
C366
R339
C370
R315
C371
C369
R338
C363
C3106
C3105
R342
R341
R340
C365
R337
C364
C362
C3107
C3104
C3103
C3100
C394
C395
C3108
C3102
C3101
C399
R324
C392
C393
R336
C396
C397
C398
R325
C388
C389
C390
C391
R399
C380
R3100
R3101
C103
R101
R148
Q110
C3143
C382
C381
C383
C384
C385
C386
IC302
1
64
49
48
32 33
17
16
D302
C316
C318
R327
C311
C379
C3109
C3116
C3115
C373
C376
C378
C377
R149
Q109
R129
R127
C387
R128
C132
R126
C160
C130
R137
R141
R142
R143
R146
TP2
C129
C154
R121
R124
SFR101
C135
C137
R139
C131
C133
C161
IC102
C153
R136
C147
R122A
C138
R150
13
24
C134
C128
R102
R135
D106
R140
C136
C164
C171
X101
C157
IC103
C163
C158
C148
C155
R134
C109
C143
R133
C144
R125
1
11
22
12
CF101
R171
C113
R105
R107
C107
CF102
TV
R132
C140
D107
L106
Q101
R103
C105
R122
C139
R114
C114
C166
D103
TC101
JK101
D101
D102
C111
C106
C102
L103
R117
R112
Q103
C106A
C108A
L113
L102
R106
R115
R116
C104
C150
R108
R113
D
S
G
Q104
C116
R109
C167
L104
C117
C165
L109
L107
C3127
R3123
C3126
R357
R130
R131
R3139
C141
C142
C118
Q305
R356
C330
D308
D307
R3140
R355
C332
C334
C328
C331
C327
C323
Q303
C404
C405
C406
C407
C3129
R305
R306
Q301
R313
R311
R309
Q302
C3128
D104
R3124
R3125
R310
R312
C310
IC304
R3121
C3131
R3122
R346
R314
C309
R350
Q304
R348
R347
C3130
R349
C325
R345
C326
C324
D305
R3137
R362
D306
R3136
R3138
Q318
CN502
C415
C416
D403
R412
C419
D411
D412
C418
C417
RL402
CN302
R471
C460
C420
D422
R470
R409
R410
D409
C421
R402
R401
C412
D410
C423
Q406
C422
D419
R416
C442
CN304
R301
R302
R304
R303
R395
R396
C351
C349
R391
C340
C347
R382
R389
R381
C339
C301
C302
R388
C346
C345
R271
R258
R212
C214
R234
R233
R214
C216
Q210
R238
R261
C236
C233
C229
Q213
R231
R227
R229
R217
R218
R264
R256
R250
C257
R215
C235
C235A
C227
R221 R209
R207
C207
C211
R211
R369
Q308
Q310
Q211
R249
R257
C236A
C335
R213
R377
C213
R223
C265
C215
R307A
C305
C303
R216
D303
C336
C306
IC301
C322
R344
R308A
C304
Q316
R332
Q317
R319
R334
D417
Q411
Q407
R414
R476
C442A
R475
R476A
C354
C353
C121
CF103
CF104
R138
C123
R331
C321
C307
C317
C315
C313
C319
C320
C308
C149
C152
C151
C124
C122
C120
C127
R123
C172
C146
R119
C126
R3129
R3128
R335
C335
R120
C125
1
12
T102
1
15
16
30
R329
C314
C312
R330
R328
R3138A
C120A
R118
1
5
E
B
E
B
E
B
E
B
D105
A
A
K
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
B
E
E
B
E
B
B
E
E
B
E
B
E
B
B
B
E
E
E
B
B
E
E
B
E
B
E
B
B
E
E
B
E
B
E
B
E
B
E
B
E
B
E
B
B
E
E
B
E
B
E
1
1
1
16
16
2
1
1
5
1
5
5
1
3
FE101
C156
GND
TP1
CNK
CN303
MAIN BOARD
H/P BOARD
TO FLD BOARD
CN101
(Page 28)
E
TO FLD BOARD
CN102
(Page 28)
D
TO
AMP BOARD
CN301
(Page 32)
TO
FRONT AMP BOARD
CN302
(Page 35)
A
B
C
TO
POWER
TRANSFORMER
F
11
(11)
1-675-354
(4142270610)
11
(11)
1-675-355
(4142270620)
R
L
R
JK401
JK301
AM
ANTENNA
FM
JK101
WOOFER
OUT
MD/VIDEO
IN
L
OUT
JK303
PHONES
JK403
FRONT
SPEAKER
JK402
REAR
SPEAKER
CENTER
SPEAKER
TO
CD DECORD BOARD
CN704
(Page 30)
HE901
ERASE HEAD
HRP901
RECORD/
PLAYBACK
HEAD
X
2
1
2
1
5
4
3
B DECK
HP901
PLAYBACK
HEAD
A DECK
1
8
R
L
16
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
(Page 32)
Ref. No.
Location
D105
H-3
D107
H-4
D303
F-8
D307
G-4
D308
G-4
D403
E-3
D405
B-5
D407
B-6
D409
D-6
D410
D-6
D411
D-4
D412
D-4
IC102
G-6
IC103
I-5
IC201
C-9
IC301
F-9
IC302
H-10
IC303
F-11
IC304
G-3
IC305
E-10
IC306
C-7
Q101
H-6
Q103
I-3
Q104
H-3
Q109
G-8
Q110
H-8
Q201
C-10
Q202
B-10
Q203
C-10
Q204
B-10
Q205
C-10
Q206
B-10
Q207
C-11
Q208
C-10
Q209
C-11
Q210
D-8
Q211
D-9
Q213
C-8
Q214
B-8
Q251
B-9
Q252
B-7
Q253
B-7
Q301
F-2
Q302
G-2
Q303
F-3
Q304
F-3
Q305
F-5
Q308
D-9
Q309
D-10
Q310
D-9
Q311
D-10
Q312
E-10
Q313
E-11
Q314
F-10
Q315
F-11
Q316
F-7
Q317
F-7
Q318
F-5
Q401
B-5
Q403
C-6
Q405
B-5
Q406
D-6
Q407
E-7
Q411
E-7
Q412
B-4
Q413
B-4
Q414
C-3
Q415
B-4
Q419
B-11
Q420
A-11
• Semiconductor
Location
HCD-GRX40AV/RXD6AV
23
23
7-4. SCHEMATIC DIAGRAM TUNER SECTION
• Refer to page 21 for Note on Schematic Diagrams. • Refer to page 39 for IC Block Diagrams.
*
*
*
C130,131
0.033:GRX40AV
0.022:RXD6AV
0.033:GRX40AV
0.022:RXD6AV
9
HCD-GRX40AV/RXD6AV
24
24
7-5. SCHEMATIC DIAGRAM DOLBY SECTION
• Refer to page 21 for Note on Schematic Diagrams. • Refer to page 22 for Printed Wiring Board.
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