Sony HCD-GN70V / MHC-GN70V Service Manual ▷ View online
HCD-GN70V
37
37
7-8.
SCHEMATIC DIAGRAM – CD MECHANISM SECTION –
MAIN
BOARD
(3/3)
(Page 41)
R701
D701
R712
R711
R721
C735
C736
R722
C737
R723
R733
R734
R735
C741
CN731
CN741
CN742
CN702
CN703
CN751
M751
CN704
CN721
C751
R751
C752
CN705
CN751
R732
R731
M741
CN701
IC731
E-1
E-2
E-3
Q731
D711
R713
C731
C715
S751
R702
470
*1
MTZJ-T-77-5.1A
TH
MTZJ-T-72-5.1A
EXCEPT TH
*1 D701
4.7k
1k
4.7k
0.1
0.1
4.7k
0.1
4.7k
1k
12k
100
0.01
3P
3P
5P
5P
4P
4P
(LD)
2P
2P
0.01
4.7k
0.1
2P
2P
10k
100
(TBL)
12P
RPI-576
TABLE
SENSOR
DTC114ESA
TBL ADDRES
SENS SWITCH
*2
MTZJ-T-77-3.6B
TH
MTZJ-T-72-3.6B
EXCEPT TH
22k
10
50V
100
16V
(LEVER SW)
100
VREF
OUT2
RNF
OUT1
VM
VCC
FIN
GND
RIN
IC701
BA6956AN
LD MOTOR
DRIVER
VREF
OUT2
RNF
OUT1
VM
VCC
FIN
GND
RIN
BA6956AN
DRIVER
IC712
TBL MOTOR
RE701
ROTARY
ENCODER
*2 D711
HCD-GN70V
38
38
7-9.
PRINTED WIRING BOARDS – MAIN SECTION –
•
See page 26 for Circuit Boards Location.
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
D130
D-7
D392
D-4
D393
D-4
D394
D-4
D501
B-2
D502
B-2
D503
B-2
D504
B-2
D505
B-4
D508
B-2
D509
B-2
D601
B-4
D602
B-4
D603
B-4
D710
G-8
D711
G-8
D901
G-6
D909
F-6
D910
F-6
D911
F-6
D912
F-6
D913
F-5
D914
F-5
D915
E-5
D917
C-5
D941
F-5
IC102
D-7
IC191
C-9
IC301
F-3
IC302
G-3
IC303
E-3
IC501
C-4
IC502
G-7
IC601
B-4
IC710
G-9
IC730
F-8
IC901
F-7
IC902
F-6
IC903
F-6
IC904
C-7
Q101
C-7
Q151
D-7
Q191
C-8
Q201
C-6
Q206
C-6
Q207
C-6
Q251
C-6
Q301
G-4
Q302
G-4
Q303
G-4
Q304
F-3
Q305
F-3
Q306
E-3
Q307
G-4
Q310
G-4
Q389
E-3
Q390
E-4
Q391
D-3
Q392
D-3
Q393
D-4
Q394
D-4
Q395
D-4
Q396
D-4
Q398
E-4
Q399
E-4
Q601
B-4
Q602
C-3
Q620
D-9
Q621
G-2
Q650
E-9
Q651
E-9
Q652
G-2
Q670
E-9
Q671
G-2
Q730
G-9
Q851
F-8
Q852
F-8
Q901
C-7
Q902
C-6
Q903
F-5
IC710
C398
R401
R501
C502
R502
R402
C503
R503
R504
IC303
R505
R506
R507
R509
R511
C510
C511
C512
R513
C416
FB516
R517
R419
R519
R420
R522
C498
R427
R429
R430
R532
R432
IC102
C432
C433
R433
R365
Q389
R314
R334
R395
R315
R397
R307
Q399
R396
R355
C399
R302
R398
R434
R535
R536
R537
R538
C434
R600
R540
R541
R442
R443
R444
R445
R446
R447
R448
R450
R549
R550
R542
R543
R544
R545
Q392
R394
Q394 Q395
R392
R330
D392
D393
D394
R597
R595
R594
R593
R493
R492
R592
EA
R591
R590
R529
R589
R581
R582
R583
R584
R580
R579
R578
R477
R577
R576
R575
R574
R474
R473
R573
R572
R571
R570
R569
R567
R566
C564
R560
R561
R603
C427
R521
R604
D603
Q601
R601
R602
D505
D601
D602
R373
R399
R364
R360
R361
Q398
R378
R377
R376
R375
R374
R369
R368
R367
JR006
C334
C210
R304
FB286
C206
FB117
IC301
R676
Q621
Q671
R656
R625
R675
FB167
R168
R118
R117
R187
R137
R167
R136
R255
R256
R256
FB206
FB205
R716
FB284
R205
R206
Q201
Q251
R204
R254
C205
Q206
Q207
R286
R284
R285
R185
C203
R135
R186
R717
C716
R329
D711
D710
C713
IC730
R772
R771
R721
R722
R305
C321
R303
C395
R312
R306
C364
R310
R308
R309
R387
R354
R352
C326
R351
C731
R720
R770
R730
R626
C376
Q730
IC191
R150
R104
R101
R102
R103
R316
R322
R121
C121
R122
C122
R154
R151
R152
R153
R156
R155
Q151
C912
C910
C915
Q902
R901
R902
R903
C918
R654
R655
Q652
R653
R904
R313
R905
R906
C384
R530
C333
C383
R379
R388
R342
R345
R393
R328
Q305
JR104
Q310
R421
R422
D501
D502
D503
D504
R362
D508
D509
IC502
R370
R106
R105
Q101
R132
R131
R130
R133
R390
Q670
R353
R134
D130
C851
R851
R852
R854
R327
R855
R191
R192
Q191
Q602
C596
R670
R671
R672
R620
R621
R622
Q620
R623
R673
R673
R650
Q650
Q651
R652
JR005
R333
Q306
JR013
JR001
Q390
JR007
R301
R332
IC501
C115
R347
R382
R366
R523
C314
R651
Q307
R346
R317
Q304
JR004
C371
Q301
R320
FB562
JR011
R391
R371
R478
R563
IC601
R372
C387
C386
JR017
JR018
JR008
R363
JR016
JR024
R112
R110
R908
R380
R913
C924
JR015
D917
JR119
JR731
D941
R139
C656
C132
FB601
FB602
FB604
FB607
FB606
FB605
FB701
JR26
JR138
R856
R138
11
(11)
1-687-844-
MAIN BOARD
(FOR CHECK)
(FOR CHECK)
31 30
50
51
51
80 81
1
100
1
3
1
3
1
1
1
2
3
3
8
5
1
4
3 1
6
4
14
8
1
7
1
3
6
1
13
1
7
1
1
4
4
1
(FOR CHECK)
21 20
40 1
1
3
1
1
9
8
11
10
10
30
31
31
8
1
4
1
5
8
1
2
18
19
21
1
1
3
E
E
E
E
E
E
1
7
8
14
22
42
A
VIDEO
BOARD
(Page 34)
B
DRIVE
BOARD
(Page 36)
I
DISPLAY
BOARD
(Page 44)
J
GAME IN
BOARD
(Page 42)
TAPE A
HEAD
TAPE B
HEAD
TAPE
MECHANISM
DECK
E
D
H
F
TRANS
BOARD
(Page 48)
POWER AMP
BOARD
(Page 46)
POWER AMP
BOARD
(Page 46)
SUB TRSNS
BOARD
(Page 48)
C
GAME IN
BOARD
(Page 42)
W
VIDEO
BOARD
(Page 34)
M891
FAN DC
VIDEO OUT
AUDIO OUT
MD/VIDEO
(AUDIO)IN
(AUDIO)IN
L
R
L
R
1
1
3
12
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
J730
CN502
IC901
IC902
IC903
C102
C307
JW197
CN501
X501
X502
C516
JW127
C621
C598
JW212
CN201
JW198
JW154
JW296
C390
C396
C397
C365
JW086
JW082
C603
JW013
JW083
JW084
JW448
C315
JW136
C192
JW075
JW222
C562
JW010
JW099
JW104
JW090
C602
C601
JW011
JW142
JW048
C191
C185
JW132
JW080
C905
C269
C904
C671
R624
R674
C351
C219
JW206
C135
JW130
JW133
C651
C193
JW414
JW131
C202
JW272
JW129
C391
JW201
J716
JW200
JW275
C316
L710
C710
C711
C714
C712
JW213
C332
JW203
JW209
JW204
C309
C721
C306
C304
C771
C353
C305
C310
C359
C730
C308
C355
C354
C301
JW199
JW151
JW415
JW145
C385
C150
C167
C117
JW124
JW134
C101
C103
C104
C105
C106
C107
C108
JW095
C109
C111
C112
C113
C114
C335
CN702
C331
JW146
JW202
C902
C901
C152
C153
C155
C156
C157
C158
C159
C161
C162
C163
C195
JW139
C186
C136
JW331
JW326
CN851
JW312
C911
C917
C908
C909
C903
C913
C914
C919
Q901
C920
JW334
Q903
JW066
JW020
JW065
IC302
NO303
NO302
CN301
JW096
JW089
JW088
JW116
JW002
JW001
JW026
JW118
JW078
JW108
C336
C342
L302
T301
C381
JW399
Q303
JW214
C341
JW380
R343
JW160
R344
C382
C340
C338
Q302
C337
C339
JW210
RV304
RV351
L301
L351
C356
RV301
CN902
JW031
JW034
JW057
JW226
JW117
JW094
JW056
JW061
JW038
JW092
JW093
JW012
JW079
JW085
C303
JW087
JW208
JW023
JW021
JW187
JW076
CN901
JW298
JW103
JW098
JW097
JW105
JW196
JW220
JW220
JW193
JW221
JW109
JW194
JW280
JW140
JW195
C154
JW059
JW169
JW314
JW128
JW125
JW126
JW162
JW188
JW189
JW184
JW185
JW091
C116
C130
JW177
JW110
JW329
JW190
JW191
C131
JW225
JW309
Q852
JW173
JW295
JW058
JW294
JW211
JW172
JW112
JW273
JW256
C670
RV354
C620
JW051
JW274
JW310
JW315
CN402
C110
JW022
JW106
C160
JW328
JW332
JW327
JW175
JW325
JW068
JW102
JW107
JW019
JW231
JW254
C906
JW114
JW259
JW258
JW297
JW292
JW060
JW062
JW291
JW293
JW161
JW003
C311
C361
JW101
JW138
JW149
JW006
JW005
JW004
C312
JW081
JW148
JW316
JW077
JW257
JW255
D901
IC904
JW163
J117
JW176
C196
Q393
Q396
JW052
JW410
JW409
JW008
JW009
JW018
JW027
JW028
JW029
JW030
JW028
JW029
JW030
JW032
JW017
JW050
JW037
JW282
JW263
JW035
JW302
EPT901
NO711
JW260
JW261
JW268
JW301
JW300
JW303
JW304
JW305
JW306
JW215
JW216
JW217
JW276
R853
JW330
CLP303
CLP301
CLP302
JW338
JW901
Q391
JW063
JW054
JW335
JW336
JW036
JW045
JW046
JW047
JW053
JW043
JW044
JW042
JW041
JW040
JW365
JW033
JW025
JW339
JW340
JW340
C650
D909
D910
D912
D911
D913
D914
D915
JW851
JW049
CN304
NO901
JW267
JW270
JW271
JW264
JWH001
JW248
JW244
JW243
JW242
JW241
JW240
JW239
JW238
JW237
JW236
JW234
JW250
JW251
JW252
JW253
JW249
JW230
JW229
JW227
JW228
JW235
JW307
JW308
JW233
JW278
JW287
JW115
JW164
NO781
JW416
JW366
JW122
JW039
JW123
JW364
JW265
JW321
C923
JW359
JW363
JW343
JW344
JW344
JW430
JW436
JW281
JW347
JW342
JW341
JW262
JW288
JW289
JW285
JW284
JW283
JW348
JW352
JW353
Q851
JW311
JW232
JW279
JW
323
JW322
JW015
JW166
JW167
JW438
JW277
JW368
JW369
JW369
JW186
JW192
JW286
JW245
JW247
JW246
JW120
JW119
C209
CLP305
JW171
JW135
NO777
JW170
JW141
JW150
JW144
JW902
JW362
C922
JW354
JW355
JW381
JW007
JW168
CLP304
JW113
JW111
JW155
JW156
JW337
JW055
C207
JW333
JW313
C921
NO903
NO710
NO202
JW178
JW179
JW180
2
3
4
5
6
7
8
9
10
A
1
B
C
D
E
F
G
H
HCD-GN70V
39
39
7-10. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) –
•
See page 56 for Pin Function Description.
C511
C510
R517
R430
R429
R549
R543
R447
R544
R445
R444
R443
R540
R541
R538
R574
R573
R589
R590
R591
C601
R602
D505
R603
R604
D603
R523
CN301
R345
R346
R347
C342
T301
C341
R393
L301
L351
C385
R360
Q396
R364
R367
R366
R368
R369
R378
R377
R376
R375
R374
R373
R351
R352
R301
R302
C354
RV301
RV351
R304
R354
C306
R355
R307
R303
R308
R309
R312
R420
R401
R402
R427
R529
R530
L302
100µH
C562
R380
R330
C311
CN501
R305
R536
C355
R317
R316
C502
C503
R504
CN502
R545
R446
D393
D394
R550
R560
R561
R566
R567
R569
R597
R450
R572
R581
R582
R583
R584
R448
R503
R505
R506
R507
R501
R502
R521
R522
R421
R422
R535
R537
C564
R575
R419
R519
R578
D602
R601
D601
NO302
C333
C383
NO303
R361
R399
R353
TP320
C321
C371
C326
C376
C307
R579
C312
R320
R370
R580
R577
R576
C427
R363
R391
R371
R542
R442
CN304
R328
Q395
C314
C364
C386
R594
R595
X501
C516
FB562
0µH
R570
R571
FB516
0µ
H
IC501
C416
R432
R433
R434
C434
C433
C432
R532
R492
R477
JR015
R478
R513
R509
R511
C512
Q302
RV304
RV354
C336
C335
C337
C339
C340
C338
R344
R343
Q304
C359
C309
C310
C353
C351
R310
R306
C308
Q305
C301
C602
C603
C384
C334
IC601
Q601
R593
R592
C596
R563
Q301
Q310
Q307
Q393
Q391
Q394
Q392
C387
JR018
C356
IC301
JR008
JR017
C315
R315
R365
C365
C304
C305
C303
C498
C598
D392
R473
R474
R372
Q602
D502
D504
D501
D508
D503
Q303
C361
IC302
R493
R600
R342
R329
C331
R332
R382
C381 R379
R392
C382
C332
X502
15p
22p
10k
100
100
10k
10k
100
10k
100
100
100
100
100
100
10k
10k
100
100
100
10
50V
4.7k
1SS355
47k
47k
1SS355
10k
3P
MOLEX
18k
18k
5.6k
47
16V
BIAS TRANS
10
50V
4.7k
27mH
27mH
10
50V
680
2SB1116
680
10k
680
10k
10k
10k
10k
10k
10k
10k
2.2k
3.3k
4.7k
3.3k
4.7k
10
50V
47k
47k
2.2k
2.2k
2.2
50V
47k
1M
10k
100
4.7k
100
4.7k
10k
10k
100
10k
10k
100
10V
22k
22k
10 50V
4P
47k
100
1
50V
10k
10k
0.022
0.022
100
10P
10k
100
1SS355
1SS355
10k
100
100
100
100
100
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
10k
10k
470
470
0.01
100
100
10k
100
1SS355
220
1SS355
WIRE MT
330p
330p
WIRE MT
2.2k
3.3k
10k
390p
390p
390p
390p
10
50V
100
10 50V
2.2k
2.2k
100
100
100
47p
2.2k
3.3k
3.3k
10k
100
13P
3.3k
DTC114EKA
0.0022
0.0022
0.0047
1k
0
32.768kHz
1000
6.3V
100
100
M30620MCN-A26FP
0.1
100
100
470
47p
47p
47p
47k
4.7k
10k
0
10k
0
10k
330k
0.1
2SC2001
220k
220k
2.2
50V
0.01
100V
0.015
0.0068
0.018
0.0068
5.6
1/4W
5.6
1/4W
DTA124EKA
47
16V
47
16V
10
50V
0.1
0.01
100
22k
470 16V
DTC114EKA
0.01
0.1
0.1
27p
27p
M62703ML
LEVEL
DETECT
2SC1623
RESET
SWITCH
4.7k
3.3k
0.1
10k
2SC3624
RIPPLE
FILTER
DTC114EKA
SWITCH
2SA812
SWITCH
2SB1068
2SB1116
DTC114EKA
DTC114EKA
0.0047
0
2.2
50V
HA12237
0
0
1
50V
10k
10k
1
50V
10
50V
1
50V
0.1
0.1
10
50V
1SS355
100
100
2.2k
FA1L3Z
1SS355
1SS355
1SS355
1SS355
1SS355
2SC2001
10
50V
BA3126N
100
2.2k
10k
0.01
8.2k
8.2k
0.01
10k
2.2k
120p
120p
16MHz
GC
VCD-POWER
CD
ST
TC PB R
TC PB L
DSC RECOUT L
DSC RECOUT R
MUTE
M+9V
TC MUTE
B2
D3.3V
AMS IN
D+4V
STBY RLY
VACS CTRL
TC +9V
EVER+4V
EVER+3.3V
GND
B1
55
59
90
89
91
89
47
45
37
35
34
33
32
54
53
52
51
57
58
56
29
30
94
4
36
31P
31P
34P
34P
33P
33P
32P
32P
9P
12P
9P
12P
43
44
46
69
67
90
91
61
60
25
38
40
41
42
49
50
66
72
75
78
79
80
81
82
83
84
73
74
48
77
76
22
21
27
70
71
72
52
51
54
55
58
53
56
59
57
60
61
69
67
66
100
3
5
6
7
1
2
*4
SYSTEM CONTROL
DRIVE
B TRIG
DRIVE
DRIVE
Q391,392
A TRIG
Q393,394
CAP MOTOR
Q395,396
REC BIAS
(L)
REC BIAS
(R)
BUFFER
BUFFER
REC LEVEL
(L)
DECK A/B SELECT
PB/REC EQUALIZER AMP
REC LEVEL
(R)
HEAD
TAPE B
TAPE A
HEAD
(FOR ADJUSTMENT)
TAPE MECHANISM
DECK
(FOR CHECK)
(FOR CHECK)
EA
EXCEPT EA
EA
0
1k
*4 R493
HCD-GN70V
40
40
7-11. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –
C104
C154
C155
R101
R105
R155
C117
C167
R168
R118
R117
R167
R852
CN851
R623
C620
C670
C650
R654
R653
Q399
R102
R152
R313
C398
C397
C395
C153
C391
C114
R655
R104
R154
C116
R132
Q852
R650
R651
R652
C396
R395
R394
C390
R398
R397
R327
R396
R390
R388
R387
R334
CN702
R112
NO711
J117
R853
R121
R122
Q398
Q390
Q651
Q650
Q652
C122
C121
FB701
C656
C105
C109
C111
C159
C161
JR26
R717
C716
R716
R730
R770
R720
L710
100µH
C193
C195
NO710
C191
C192
C196
R192
R851
R856
JR119
JR732
FB605
FB607
FB606
IC730
R153
R103
IC303(2/2)
IC303(1/2)
R624
C621
C671
R674
C851
R673
R106
Q101
Q151
R156
C157
C156
C162
C163
C158
C106
C107
C108
C112
C113
D711
C713
C714
D710
C711
C721
R722
R772
R771
R721
C771
D509
Q306
Q389
FB167
FB117
JW282
JW283
R110
C712
IC710
Q730
C185
C135
R135
R185
C110
Q670
Q620
R151
C160
FB604
FB602
FB601
JR016
JR024
JW851
R314
R333
C316
C152
R620
R621
R622
R670
R671
R672
R362
R138
R130
R134
D130
R133
C131
R676
R626
Q671
Q851
NO781
C710
J716
C731
C730
C399
C115
Q191
IC191
C651
R656
R675
R625
R137
R187
C130
R131
C103
C102
C150
C101
R150
C186
C136
R136
R186
IC102
R191
J730
Q621
10
50V
10
50V
10
50V
2.2k
47k
47k
2.2
50V
2.2
50V
1k
1k
100k
100k
10k
3P
10k
4.7
50V
4.7
50V
1
50V
BP
100k
1k
2SC3624A
10k
10k
1k
0.01
10 50V
22p
10
50V
100
16V
10
50V
100k
1k
1k
100
16V
1M
2SC2603
15k
470k
68k
22
50V
4.7k
10k
470
10V
2.2M
15k
15k
10k
10k
22k
10k
100k
11P
FFC-R
0
2P
2P
18 1W
1k
1k
DTC114EKA
DTC114EKA
DTC114EKA
DTA124EKA
DTA124EKA
220p
220p
0
0.47
10
50V
1
50V
10
50V
1
50V
10
50V
0UH
75
220p
100k
10k
1k
1k
1
50V
100
16V
WIRE
10
50V
10
50V
0.0047
47k
4.7k
4.7k
0
0
0
NJU4066BM
-T2
620
620
NJM4565M(TE2)
NJM4565M(TE2)
680
2W
4.7
100V
BP
4.7
100V
BP
680
2W
0.1
10k
10k
2SC1623
FEED BACK
SWITCH
2SC1623
FEED BACK
SWITCH
10k
0.022
0.022
0.22
0.33
0.033
0.022
0.022
0.033
0.22
0.33
1SS355
0.01
100
16V
1SS355
10
50V
4.7
50V
1k
1k
100k
100k
4.7
50V
1SS355
DTC114EKA
MUTE
DTC114EKA
MUTE
0
1000
6.3V
NJM2244
VIDEO SELECTOR
DTC114EKA
INV.
1
50V
1
50V
10k
10k
0.01
100V
2SC3661
MUTE
2SC3661
MUTE
2.2k
0.01
100V
0
0
1k
2.2k
1
50V
10
50V
10k
1k
47k
10k
1k
47k
10k
0
2.2k
2.4k
1SS355
100k
0.47
50V
56
56
2SC3661
HEADPHONE MUTE
2SB1116
8P
10
50V
0.1
10
50V
0.01
0.1
DTC114EKA
EFFECT
SWITCH
NJM2702
47
50V
BP
10k
1k
1k
18k
18k
10
50V
2.2k
10
50V
10
50V
10
50V
100
16V
2.2k
0.1
50V
0.1
50V
0
0
M61529FP
15k
2P
2SC3661
HEADPHONE MUTE
B1
ST
TC PB R
TC PB L
DSC RECOUT R
DSC RECOUT L
MUTE
TC MUTE
TC +9V
B2
-B
AMS IN
GND
B4
CD R
CD L
D3.3V
+13.3V
SPEANA
A+9V
D+4V
77
80
79
70
71
82
81
50
76
100
1
7
6
5
3
2
5
6
3
7
2
1
*2
*2
*
3
*
3
*
3
R
L
R
L
CONTROL
SWITCH
Q650-652
HPF
IC303
AMS DETECT
Q390,398,399
EA
EXCEPT EA
0
*2 FB117,167
0uH
MUTE
INPUT SELECT SWITCH
TONE CONTROL
ELECTRICAL VOLUME
DRIVE
Q851,852
FAN MOTOR
FAN DC
M891
EA
EXCEPT EA
0
0uH
*3 FB601,602,604
3D SURROUND
AUDIO PROCESSOR
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