Sony HCD-GN88D / MHC-GN88D Service Manual ▷ View online
HCD-GN88D
49
49
7-19. SCHEMATIC DIAGRAM – MAIN (1/4) Board –
C102 C103
C104
C105
C109
C111
C121
C122
C130
C131
C152 C153
C154
C155
C156
C157
C158
C159
C161
C162
C163
C620
C650
C670
C671
C901
CN402
CN851
CN901
CN902
D130
EPT901
Q101
Q151
Q621
Q650
Q670
Q671
R101
R102
R104
R106
R121
R122
R132
R150
R151
R152
R154
R156
R563
R620
R621
R622
R625
R650
R651
R652
R670
R671
R672
R673
R674
R675
R854
C150
R906
Q651
R904
R905
C140
NO781
NO903
NO904
D902
D917
Q909
Q910
NO905
R131
C922
C101
R157
R107
Q852
Q853
Q854
R851
R853
R852
R116
R166
D851
D852
D941
Q105
R115
FB203
C919
C116
C108
C106
C107
C112
C113
C115
R130
R155
R653
R655
R654
R624
C621
C651
R656
R626
R676
R105
R149
C149
C902
C906
R923
L901
100µH
R922
R921
C905
C904
C920
C921
C909
C908
R133
C851
R153
C160
R103
C110
C114
R114
Q602
Q652
IC907
D509
R623
Q620
C360
IC102
R134
R629
R630
Q851
C852
D901
Q903
IC502
10
50V
10
50V
10
50V
10
50V
1
50V
10
50V
47p
47p
10 50V
0.47
50V
10
50V
10
50V
10
50V
10
50V
0.022
50V
M
F
0.022
50V
M
F
0.033
50V
MF
1
50V
10
50V
0.22
MF
0.33
MF
4.7
50V
1
50V
BP
4.7
50V
4.7
100V BP
3300
25V
19P
FFC-R
3P
6P
B-TO-B
13P
B-TO-B
1SS355
GND PLATE
2SC1623
2SC1623
2SC3661
FN1F4M
2SC3661
2SC3661
2.2k
10k
1k
10k
100
100
1M
2.2k
2.2k
10k
1k
10k
10k
10k
1k
47k
1k
15k
470k
68k
10k
1k
47k
10k
680 2W
1k
4.7k
10
50V
1k
FA1A4M
8.2k
8.2k
0.068
9P
2MM
WIRE MT
7P
2.5MM
WIRE MT
10
2.5MM
WIRE MT
D5SBA20
RK36
FA1A4M
FA1A4M
6P
2.5MM
WIRE MT
2.2k
470
25V
100
10V
100
100
2SC1623
2SC1623
FA1A4M
22k
100k
22k
100
100
UDZ-6.2B
UDZ-7.5B
UDZ-TE-17-33B
2SC1623
5.6k
JW
3300
6.3V
220
10V
0.033
0.022
0.022
0.22
0.33
0.1
2.2k
47k
1k
100k
100k
680
2W
4.7
100V
47
50V
10k
56
56
47k
4.7k
10
50V
2.2
50V
50V
100
16V
10k
47
820
0.01
0.01
10
50V
100
50V
0.1
0.1
100k
0.1
620
0.0068
620
0.0068
10
50V
0
FA1L3Z
VACS
CONTROL
FN1F4M
SI-8033
3.3V REG
1SS355
10k
2SC3661
0
M61529FP-60G
470
470
2SD2525
0.1
D3SBA20-4101
2SB1375
RT8H015C-TH12-1
GC
B1
M+9V
TC+9V
B3
3.3V
EVER+3.9V
D+3.9V
ZIVA-D+3.3V
ZIVA AUDIO 5V
ZIVA V+5V
A+9V
B4
AC CUT DETECT
FAN SUPPLY
LINE M
UTE
DBFB F/B
S
W
-B
GND
75
77
79
83
50
78
REC-OUT-R
REC-OUT-L
M
D-L
M
D-R
TC-PB-R
TC-PB-L
DOW
N-M
IX-R
DOW
N-M
IX-L
SUR2
SUR1
SUR-SW
SW
-OUT
LINK-R
LINK-L
ST-L
M
IC
GAM
E-L
GAM
E-R
72
88
MIC
GAME-L
GAME-R
49
4
73
74
48
29
30
72
ST-R
71
23
80
76
68
*1
PROTECTER
OVER CURRENT
DRIVE
FAN MOTOR
Q851-854
MUTING
MUTING
MUTING
CONTROL
BUFFER
BUFFER
MUTE
MUTE
-33V REGULATOR
MUTING
SWITCH
SWITCH
B+ SWITCH
Q909,910
ELECTRICAL VOLUME
GRAPHIC EQUALIZER CONTROL,
INPUT SELECT SWITCH,
DC FAN
M891
v1 R134
3.3k
2.7k
TH
EXCEPT TH
HCD-GN88D
50
50
7-20. SCHEMATIC DIAGRAM – MAIN (2/4) Board –
L201
100µH
IC201
R770
R720
R721
R771
R722
R772
C771
C721
Q730
C117
C167
R168
R118
R117
R167
R365
R315
Q399
R313
R314
C399
C398
C395
IC303(2/2)
C391
Q398
Q390
Q306
Q389
R333
JR731
C315
C365
C316
C817
C845
C801
C802
R802
R801
R800
C800
C803
R803
C804
C805
C807
R807
R806
R805
R804
C806
C808
R808
C809
C810
C812
R812
R811
R810
R809
C811
C813
C814
C816
R815
R814
R813
C815
C818
R816
C819
C844
R832
R833
C843
R834
C842
C840
R829
R830
R831
C839
C841
C837
C836
R826
R827
C835
R828
C838
C834
R824
R825
C832
R823
R822
C830
R818
R817
R839
R837
R835
R840
C820
C823
R838
R836
R844
R845
R849
R850
R847
C824
C827
R846
R848
CN205
R798 R799
C846
C847
C213
C214
R857
R858
R860
R861
R862
Q803
J730
J117
CN203
RY701
D701
R701
Q701
Q223
Q224
C212
C722
C772
R730
FB117
FB167
C396
R395
R394
C390
R398
R397
R327
R396
R390
IC303(1/2)
C200
R388
R387
R334
Q798
Q799
Q800
Q801
J716
C855
Q702
CN206
JR390
C397
R702
R841
R843
R842
R863
R362
C854
C821
C822
C825
C826
C828
C829
C831
C833
R821
R235
IC103
FB204
C223
R233
R234
R819
R820
JR008
Q802
IC730
NO204
C730
C731
C201
C211
TOX141
1k
1k
100k
100k
1k
1k
2.2
50V
2.2
50V
FA1A4M
2.2
50V
2.2
50V
1k
1k
100k
100k
10k
10k
2SC3624A
1k
1k
0.01
0.01
22p
NJM4565M(TE2)
100
16V
FA1A4M
FA1A4M
FA1A4M
FA1A4M
2.2k
0
1 50V
1 50V
1 50V
10
50V
10
50V
220p
220p
10k
470
47k
10
50V
10
50V
47k
10 50V 0.001
0.001
4.7k
2.2k
10k
47k
10
50V
10
50V
47k
10
50V
0.001
0.001
4.7k
2.2k
10k
47k
10
50V
10
50V
0.001
0.001
4.7k
2.2k
10k
10
50V
10
50V
47k
1
50V
220p
10k
470
220p
47k
10
50V
0.0022
2.2k
2.2k
47k
0.001
10
50V
10
50V
0.0022
2.2k
2.2k
0.001
47k
10
50V
100
10V
10k
1M
10
50V
1M
10k
10
50V
1k
2.2k
47k
47k
1k
1k
4.7
50V
4.7
25V
10k
10k
10k
47k
47k
1k
1k
4.7
25V
4.7
25V
10k
10k
7P
2.0MM
PH
100 100
47p
47p
0.1
1000
6.3V
6.3V
0
0
47k
10k
47k
2SC1623
2P
2P
9P
2MM
PH
SW RELAY
1SS355
220
1/4W
FA1L3Z
FA1A4M
FN1F4M
1000 6.3V
220p
220p
10k
0
0
22
50V
4.7k
10k
470
10V
2.2M
15k
15k
10k
10k
NJM4565M(TE2)
0.1
22k
10k
100k
2SC3661
2SC3661 2SC3661
2SC3661
1P
0.1
25V
2SC1623
21P
1MM
0
10
50V
3.3k
10k
10k
10k
10k
10k
220
10V
0.22
0.1
0.33
0.22
0.33
0.22
0.047
100
10V
1M
470k
M61530FP-D60G
0
0.1
22k
22k
620
620
0
2SC1623
NJU4066BM
4P
2.0MM
10
50V
0.1
100 10V
0.1
B1
B2
B3
B4
63
3.3V
TC+9V
TC MUTE
GND
ZIVA-D+3.3V
ZIVA V+5V
ZIVA AUDIO 5V
25
AC CUT DETECT
FAN SUPPLY
LINE MUTE
DBFB F/B
SW
A+9V
-B
82
86
87
84
85
DOWN-MIX-L
DOWN-MIX-R
FRONT-L
FRONT-R
SURROUND-L
CENTER
SURROUND-R
SW(LFE)
REC-OUT-R
REC-OUT-L
MD-L
MD-R
AMS-L
AMS-R
DOWN-MIX-L
DOWN-MIX-R
SUR2
SUR1
SUR-SW
DOWN-MIX-R
DOWN-MIX-L
SUR2
SUR1
SUR-SW
DOWN-MIX-R
DOWN-MIX-L
SUR2
SUR1
SUR-SW
DOWN-MIX-L
DOWN-MIX-R
FRONT-L
FRONT-R
CENTER
SURROUND-L
SW-OUT
SUR-L
SUR-L
SUR-R
SUR-R
CENTER
CENTER
SW
SW
81
SURROUND-R
SW(LFE)
70
LINK-R
LINK-L
SUB WOOFER
R
L
R
L
CD DIGITAL OUT
AUDIO OUT
MD/VIDEO(AUDIO)
IN
DRIVE
RELAY
Q701,702
CONTROL
SURROUND VOL
MUTE
Q798-801
SWITCH
SWITCH
MUTE
Q306,389
IC303
HPF
BUFFER
BUFFER
AMS DETECT
Q390,398,399
INVERTER
SWITCH
AUDIO OUT
HCD-GN88D
51
51
7-21. SCHEMATIC DIAGRAM – MAIN (3/4) Board –
CN301
Q302
R347
C342
RV354
RV304
C341
R393
R342
R392
L301
L351
C385
Q391
R360
Q396
R364
Q395
Q393
R367
R366
R368
R369
R378
R377
R376
R375
R374
R373
R351
R352
R301
R302
C304
C354
R304
R354
C306
C356
R307
C308
R303
C310
R308
R309
R310
R312
Q310
R380
R382
R332
R305
C355
C305
R317
R316
D392
D393
D394
R311
R372
CN304
NO302
C333
C383
NO303
R361
Q392
R399
Q394
R353
R328
C321
C371
C326
C376
C307
R320
R370
C364
C314
R391
R371
R329
C331
C381
R379
C336
R345
C338
R346
C339
C340
C386
R363
C337
R344
R343
C332
C382
C384
C335
T301
L302
100µH
C309
R306
C312
C361
C301
C303
C311
C359
C334
C351
C353
C387
R330
RV301
Q303
Q305
IC302
µPC1330HA
IC301
Q307
Q301
Q304
RV351
R355
3P
MOLEX
2SC2001
3.3k
47
16V
220k
220k
10
50V
4.7k
2.2k
2.2k
27mH
27mH
10
50V
2SB1116
680
2SB1116
680
FA1A4M
2SB1068
10k
680
10k
10k
10k
10k
10k
10k
10k
2.2k
3.3k
4.7k
3.3k
4.7k
10
50V
10
50V
2.2k
2.2k
2.2
50V
2.2
50V
1M
470
10V
10V
10k
10 50V
100
4.7k
100
100
FA1A4M
22k
8.2k
8.2k
47k
1
50V
1
50V
10k
10k
1SS355
1SS355
1SS355
100
2.2k
13P
WIRE MT
330p
330p
WIRE MT
2.2k
FA1A4M
3.3k
FA1A4M
10k
2.2k
390p
390p
390p
390p
10
50V
2.2k
2.2k
0.0022
0.0022
3.3k
3.3k
10k
0.01
0.01
10k
2.2
50V
18k
0.0068
18k
0.0068
0.018
0.0047
2.2k
0.015
5.6
1/4W
5.6
1/4W
120p
120p
27p
0.01
BIAS TRANS
47
16V
22k
10
50V
10
50V
0.01
0.1
10
50V
47
16V
27p
0.01
0.1
0.0047
22k
47k
2SC2001
FA1A4M
HA12237
2SA1162-G
2SC3624A
FN1F4M
47k
47k
TC-PB-L
TC-PB-R
TC
B1
B2
3.3V
M+9V
TC+9V
TC MUTE
GND
55
54
53
52
51
57
58
56
69
67
61
60
66
65
REC-OUT-R
TC-PB-R
TC-PB-R
TC-PB-L
TC-PB-L
AMS-R
AMS-L
91
90
89
59
REC-OUT-L
(FOR CHECK)
TAPE A
HEAD
HEAD
TAPE B
(R)
REC LEVEL
REC LEVEL
(L)
REC BIAS
(L)
REC BIAS
(R)
TAPE MECHANISM
DECK
OSC
BIAS
OSC
BIAS
BUFFER
BUFFER
REC/PB SWITCH
REC/PB EQUALIZER AMP
DECK A/B SELECT
SWITCH
SWITCH
RIPPLE
FILTER
DRIVE
DRIVE
DRIVE
Q395,396
B TRIG
Q396,394
CAP MOTOR
Q391,392
A TRIG
HCD-GN88D
52
52
7-22. SCHEMATIC DIAGRAM – MAIN (4/4) Board –
•
See page 76 for Pin Function Description.
R509
C511
C510
R549
R543
R447
R544
R445
R444
R443
R540
R541
R589
R590
R591
D501
D502
D503
D504
C601
R602
D505
R603
R604
D603
R523
D508
R420
CN501
R504
CN502
R545
R446
R442
R550
R560
R561
R566
R567
R569
R450
R572
R581
R582
R583
R584
R473
R474
R448
R503
R505
R506
R507
R600
R501
R521
R522
R421
R422
R542
R594
R495
X501
R575
R519
R578
D602
R601
R579
R580
R585
R586
R587
R577
R588
R488
CN201
CN202
CN702
R915
R916
R917
C596
C498
C603
C602
D601
R430
R429
R530
R529
C416
C512
R513
R511
R502
R477
R478
R598
R595
R110
R112
R573
R574
C564
C562
C502
R419
NO901
D201
D202
C202
C203
R592
R492
FB516
FB562
R593
R493
C911
D517
C503
R402
R401
IC501
Q601
IC601
C598
R576
R517
C516
X502
10k
15p
22p
10k
10k
100
10k
100
100
100
100
100
100
100
100
1SS355
1SS355
1SS355
1SS355
10
50V
4.7k
1SS355
47k
47k
1SS355
10k
1SS355
4.7k
4P
100
10P
10k
100
100
10k
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
10k
10k
10k
100
33k
32.768K
100
10k
100
1SS355
220
100
100
100
100
100
100
100
100
7P
1MM
12P
AMP-L
11P
FFC-R
100k
100k
10k
0.1
0.1
0.1
0.1
1SS355
100
100
10k
10k
0.1
0.1
0
330k
100
10k
10k
100
1k
0
0
10k
10k
0.01
100 10V
0.022
100
4P
2MM
WIRE MT
1SS355
1SS355
0.1
220
10V
150
4.7k
0UH
0UH
2.2
50V
1SS355
0.022
10k
10k
M30620MCN-A27FP
2SC1623
RESET
SWITCH
M62703ML
LEVEL DETECT
1000
10V
220
10k
1000
10V
16MHz
GC
TC
63
3.3V
D+3.9V
EVER+3.9V
ZIVA-D+3.3V
GND
B4
25
M+9V
B1
A+9V
53
58
52
51
54
55
56
47
45
34
33
32
29
30
4
31P
31P
34P
34P
33P
33P
32P
32P
9P
12P
9P
12P
43
44
46
23
40
41
49
50
59
57
60
61
69
67
66
85
86
81
82
83
84
73
48
65
29
30
29
30
21
22
87
74
42
88
89
90
91
3
5
6
7
100
1
2
100
1
7
6
5
3
2
42
43
44
45
32
33
40
34
29
30
42
41
43
22
21
44
45
46
47
ST-R
ST-L
75
76
77
78
79
80
70
68
71
72
*2
*1
*2 R593
1k
4.7k
E15,E3,E51,EA,MX
4.7k
E15,E3,E51,EA,MX
*1 R493
0
TUNER
PACK
(FOR CHECK)
(FOR CHECK)
SYSTEM CONTROL
AU,PH,SP,MY
AU,PH,SP,MY,TH
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