Sony HCD-RXD7AV / MHC-RXD7AV Service Manual ▷ View online
HCD-RXD7AV
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.)
Note:
The components identi-
fied by mark
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
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
CND : Canadian 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
MAIN board
CD DECORD board
AMP board
FLD board
FUSE board
SW (A) board
SW (B) board
SW (C) board
CD KEY board
SENSOR board
H/P board
FRONT AMP board
FRONT board
SW (D) board
MOTOR board
PHOTO SOCKET board
MOTOR (6P) (S) board
HCD-RXD7AV
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.
E
B
E
E
E
E
E
E
E
E
E
B
B
B
B
B
B
B
B
B
E
E
E
B
E
E
E
B
B
B
B
B
B
B
B
B
B
B
B
B
E
E
E
B
E
B
E
B
B
E
E
B
B
E
B
B
E
B
B
B
G
G
E
E
E
S
S
E
E
E
B
E
E
B
B
B
E
B
E
B
E
B
E
B
E
B
E
E
E
E
E
E
B
E
1
1
1
16
16
2
1
1
5
1
5
5
1
3
MAIN BOARD
H/P BOARD
TO FLD BOARD
CN101
(Page 28)
E
TO FLD BOARD
CN102
(Page 28)
D
TO
AMP BOARD
CN305
(Page 32)
TO
AMP BOARD
CN302
(Page 32)
A
K
B
C
TO
FRONT AMP BOARD
CN301
(Page 35)
TO
POWER
TRANSFORMER
F
11
(11)
1-675-437
(4142271510)
11
(11)
1-675-438
(4142271520)
R
L
R
L
R
L
R
L
R
JK401
JK301
AM
ANTENNA
FM
JK101
WOOFER
OUT
MD/
VIDEO
IN
L
OUT
JK303
PHONES
JK403
FRONT
SPEAKER
DVD
INPUT
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)
CN303
R440
D420
R441
D421
RL401
RL402
RL403
CN305
R412
C417
D412
C418
C419
D411
CNK
D403
C415
C416
CN502
C404
C405
C
R
D001
D002
R319
C406
C407
C413
C414
C402
C403
D402
R320
R322
R317
R321
R318
R315
R302A
C3129
R316
R349
Q303
R345
C323
C327
C328
C304
R301B R302B
R308
R307
R311
R301A
R306
R305
Q301
R309
R312
Q302
R310
C310
R3124
C3126
C3114 R3106
C3125 R3104 R3105
R3103
R3121
C326
Q304
C303
R313
C309
R3122
R314
IC304
R350
C325
R346
R347
R348
C331
C324
C3124
D104
D103
C166
R3125
Q321
C3127
C312A
C139
R310A
R3123
C330
C140
D107
R109
C165
Q104
R113
G
S
D
D105
C117
C116
L104
TC101
R105
L107
CF102
C120
L113
R117
C104
R114
R108
R107
R103
R199
C199
CF101
C102
C111
C106A
L103
C106
R112
R106
Q103
L102
C107
Q101
C141
C142
R132
FE101
R131
SFR101
R124
TP1
R115
C197
12
11
1
22
D106
C134
C128
R150
C137
C135
C138
C147
R122A
R122
C109
C163
X101
R134
C144
R121
R125
C150
IC103
R133
C148
C143
L106
IC102
R136
C154
C158
C136
R140
R139
R137
C160
C161
R126
R128
C132
R127
R129
C133
Q110
C113
C167
C101
C129
C155
C105
C156
C157
R135
C164
C301B
R384A
14
8
C384A
C152
Q109
R149
C103
R101
R148
R3101
R399
C371
C370
C375
IC308
C382A
C151
R141
R143
R146
R142
R3100
C376
C377
C378
C379
C380
C381
C382
C383
C384
C385
R3102
D309
C369
C372
C373
C374
IC302
64
65
41
40
24
25
1
80
C386
C387
C388
C389
C390
C391
CN101
R324
R325
C392
C3102
C3100
C399
C396
C3101
C398
C397
C395
C393
C394
C3107
R338
C3105
C3115
R3018
C3118
C3117
R3111
R3110
R3109
C3106
C3109
C3111
C3112
R336
C3104
C3103
R340
R337
R339
R341
C3108
R343
C3110
C3113
R342
R3119
R3118
R3112
IC303
C3119
C3121
C3120
R3113
R3114
C3122
C311B
C360
C311A
R3115
C359
C344
R380
Q312
Q313
R363A
R300B
R363
IC305
C342
R376
R375
C341
R379
R255
R263
C256
R262
R374
Q311
D203
C238
R378
R371
R370
R213
R358A
R365
Q308
Q310
R257
C235A
C223
R205A
R244
R245
R377
R250
R215
R249
C335 C215
Q211
R368
R372
Q309
R373
R369
R367
C221
R247
D204
R211
C209
R205
C211
R207
R221
C213
R241
Q207
R246
D202
Q209
D418
R366
CN102
R242
C237
D201
R240A
Q208
R248
C271
R240
R243
CN201
Q203
C422A
CN303
R444
D419
C453
L406
C454
C225
Q202
R204
R206A
R203
Q204
C252
L201
Q201
R252
C253
C204
C202
R202
C201
C251
R239
R225
CN202
Q205
Q206
CN203
Q420
R442
R443
Q419
R251
C254
R226
R201
C255
C210
R210
C208
C205
C230
C219
C212
C228
13
24
IC201
R230
R224
R228
C232
R236
C231
R232
C234
R237
C272
Q251
C224
C222
C226
R208
Q214
R235
Q213
R206
C206
D205
R390
C350
R387
R381
C339
R389
C236
C229
R227
C227
R223
R229
C257
R218
R261
C207
R209
12
1C203
R271
R256
R231
C233
R258
R212
C265
R217
C345
R391
C347A
C340
R301
R304
C301
C216
R216
C336
R234
R214
C236A
R238
R264
R358
C
R
R303
R302
C302
C214
Q210
C235
R233
D417
C306
C343
15
16
30
1
C357
C356
R398
C312
IC301
C314
C315
C313
C366
C318
C316
R330
C3116
R328
C358
C361
R397
C363
C362
D302
R329
C317
C307
C308
C320
R327
C311
C319
C364
C365
C367
C368
C367A
C322
R332
Q317
R3141
R334
R331
C353
R3128
C354
R3136
C301A
Q381
R383A
C387A
Q319
Q316
R335
C321
R381A
C381A
C355
C383A
R382A
Q305
D305
R3137
R3129
R138
R399A
R331A
C330A
1
7
C122
R120
C146
C118
CF103
C126
C127
R123
C198
R118
R116
T102
1
12
13
24
C124
C149
C125
C130
C153
C131
R3139
R3138
C123
R119
C120A
CF104
C121
R362
D308
D307
R355
R356
C332
C311C
R130
R3140
R357
IC307
C334
R3120
C3123
D422
R472
D423
R470
C460
R425
Q414
1
1
1
8
6
12
Q416
Q413
R473
R474
CN301
C424
D405
R403
C425
C426
Q412
Q415
D407
C431
C440
C434
Q403
R424
R471
Q401
C433
C432
Q405
R427A R427
R408
B
R426
R396
C352
IC306
R392
C348A
R222
R253
R219
R220
C218
C217
R403A
R406 Q253
Q252
R254
C348
R388
C349
C347
R382
R395
R405
R476A
C422
C423
D410
C346
C351
R410
R409
Q406
CN302
A
C420
C421
D409
C412
R402
R401
G
D
S
G
D
S
R414
Q407
C442
Q411
R476
R416
CN304
D306
Q320
R344
C305
C305A
R300A
R334A
D303
B
A
1
7
1
1
8
8
1
8
1
1
8
8
CENTER
FRONT
REAR
WOOFER
Ref. No.
Location
D001
E-2
D002
E-2
D103
G-2
D104
G-2
D105
H-3
D106
H-4
D107
H-3
D201
C-10
D202
C-11
D203
D-10
D204
D-10
D205
B-8
D302
G-9
D303
F-7
D305
G-6
D306
F-6
D307
F-4
D308
F-5
D309
H-9
D402
E-3
D403
D-3
D405
B-6
D407
B-7
D409
D-5
D410
D-6
D411
C-4
D412
C-4
D417
E-7
D418
D-11
D419
B-11
D420
A-3
D421
A-3
D422
A-4
D423
A-5
IC102
H-5
IC103
I-5
IC201
C-9
IC301
F-9
IC302
H-10
IC303
F-11
IC304
G-3
IC305
E-10
IC306
C-7
IC307
F-4
IC308
H-7
Q101
H-3
Q103
I-3
Q104
H-3
Q109
I-7
Q110
I-7
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
G-2
Q302
G-2
Q303
F-3
Q304
F-3
Q305
G-6
Q308
D-9
Q309
D-10
Q310
D-9
Q311
D-10
Q312
E-11
Q313
E-11
Q316
F-7
Q317
G-7
Q319
G-6
Q320
F-7
Q321
G-2
Q381
H-6
Q401
B-6
Q403
B-7
Q405
B-6
Q406
D-5
Q407
E-6
Q411
E-6
Q412
B-6
Q413
C-6
Q414
B-6
Q415
B-6
Q416
B-6
Q419
B-11
Q420
A-11
• Semiconductor
Location
HCD-RXD7AV
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.
47
µ
F
16V
C127
10
µ
50V
C120A
0.022
µ
9
HCD-RXD7AV
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.
MUTE
(1/2)
(2/2)
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