Sony HCD-GN1200D / MHC-GN1200D Service Manual ▷ View online
HCD-GN1200D
HCD-GN1200D
45
45
7-16. SCHEMATIC DIAGRAM – MAIN Section (1/5) –
• See page 34 for waveform. • See page 77 for IC Pin Function Description of IC401.
(Page 46)
(Page 43)
(Page 49)
(Page 51)
(Page 49)
(Page 46)
(Page 47)
(Page 47)
(Page 48)
(Page 61)
(Page 47)
(Page 66)
(Page 40)
(Page 59)
(Page 49)
(Page 53)
(Page 47)
(Page 48)
(Page 46)
(Page 47)
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(Page 49)
BOARD
MAIN
(4/5)
BOARD
MAIN
BOARD
MAIN
(3/5)
(4/5)
BOARD
MAIN
(3/5)
BOARD
KARAOKE
CN2000
BOARD
MAIN
(3/5)
BOARD
MAIN
(2/5),(3/5),(4/5),(5/5)
BOARD
MAIN
(3/5)
BOARD
CN800
BOARD
NO902
MIC
VIDEO
BOARD
MAIN
(5/5)
BOARD
DMB16
(3/4)
CN109
BOARD
CN1200
CN1200
PRIMARY
BOARD
MAIN
(2/5),(5/5)
BOARD
CN701
DRIVER
BOARD
CN906
PANEL
BOARD
MAIN
(5/5)
BOARD
MAIN
(2/5)
4
E
I
3
1
15
5
18
16
W
7
2
17
F
14
M
A
L
M
-
-
-
-
-
SW-ON LED
TUNED
3.3VMNT
BYTE
MC-DIN(ST)
KRMOD
MTK-BUSY
MTK-XIFCS
MTK-RESET
TBL SENSE
OPEN-SW
IIC-CLK
IIC-DATA
CNVSS
MTK-SIO
MTK-SOD
MTK-SOD
MTK-CLK
TM-F
TM-R
LM-F
LM-R
TM-R
LM-F
LM-R
CAPM-
CONT
A-HALF
A-TRIG
B-TRIG
A-TRIG
B-TRIG
SW-SPK-RELAY
NO USE
SURR-RELAY
CENTER-RELAY
FRONT-RELAY
PROTECTOR
OVER VOLTAGE DET
UNDER VOLTAGE DET
DVD-A-MUTE
MTK-POWER
AUDIO- IC-DATA
VOLUME-IC-CLK
AUDIO-OUT-MUTE
AUDIO- IC-CLK
VOLUME-IC-DATA
VREF
NO USE
NO USE
NO USE
ON/OFF-KEY
NO USE
R430
R429
R428
R42
7
R425
R424
R423
R42
1
R42
0
R418
R41
7
R422
R42
6
R522
C411
C41
0
R410
R512
R411
X401
R413
C416
C412
R406
R405
R40
3
R402
R401
R501
R503
R505
R503
R505
R404
R432
R433
R434
R435
R433
R434
R435
R436
R437
R438
R439
R437
R438
R439
R540
R440
R441
R447
R526
R529
R530
R487
R488
R585
R584
R485
R484
R46
0
R461
R465
R466
R471
R472
R473
R474
R46
7
R574
R573
C464
R567
R568
C462
R469
R451
R538
R541
C512
R520
CN508
CN402
NO402
TBL ADDRESS SENS
CN520
NC
R407
R500
C501
R545 C503
C502
C360
R359
R384
R360
C325
R357
R356
C357
R358
NO401
CN100
MIC SCORE
MIC ECHO
NC
NO503
JR222
JW598
R491
R494
R497
R490
R489
R502
R546
IC401
Q504
Q523
Q524
Q501
D505
D501
D502
IC501
R431
D503
R593
R493
D401
X402
IC304(1/2)
IC304(2/2)
R361
R383
C431
C352
R468
100
100
100
100
100
100
100
1k
100
R419
100
100
10k
100
100
47k
22p
22p
10k
100k
330k
32.768kHz
0
2200
6.3V
0.1
C415
0.1
100
100
100
100
100
10k
10k
10k
10k
10k
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
R443 100
R444 100
R444 100
10k
100
100
100
10k
10k
10k
100
100
10k
10k
100
100
100
R45
7
100
100
100
100
100
R470
100
100
100
100
100
10k
10k
0.01
10k
10k
100
10V
100
100
5.6k
10k
10
50V
10k
17P
10P
4P
13P
CN511
13P
+9V
DGND
SW-VOL
SW-LED
DGND
SW-VOL
SW-LED
GND/OCSW1
SYSTEM
COMTROL
CN102
4P
100
R557
R558
18k
6.8k
100
R495 100
R594 1k
R595 10k
10
50V
0
0.1
0.1
33p
33k
4.7k
27k
10
50V
4.7k
4.7k
4.7
50V
33k
R560
5.6k
R559
1.5k
R320
33k
R321
33k
3P
9P
5P
0
JR597 0
100
100
100
100
100
1k
220
M30622MEP
-B30FPU0
DTC143TKA
BUFFER
DTA114EKA-T146
B+ SWITCH
DTC124EK
B+ SWITCH
DTC124EK
RESET SWITCH
MA2J1110GLSO
MA2J1110GLSO
MA2J1110GLSO
MC2837
BD4929G-TR
100
MC2836
D597
UDZWTE-173.6B
5MHz
NJM4558M
NJM4558M
27k
4.7k
10
50V
C358
4.7
50V
C363
4.7
50V
C362
4.7
50V
47
16V
100
BUS1
V +5V
3.3VMNT
3.3VMNT
+9V
VIDEO R
VIDEO L
VIDEO L
MIC ECHO
M+9V
-VG
-VG
NO USE
VF 2
VF
1
BUS7
AC CUT
DETECT
BUS8
3.3V
OVER VOLTAGE
TC MUTE
REC-OUT-R
L+R
REC-OUT-L
BUS4
BUS9
BUS6
GND
9
9
12
12
12
4
97
97
31
32
33
32
33
73
74
74
79
80
53
54
51
4
73
32
33
47
56
55
34
31
32
33
38
39
39
89
100
95
94
90
91
1
2
3
5
6
19
18
22
23
24
25
35
36
37
36
37
40
40
46
48
49
50
49
50
52
21
41
41
42
43
44
44
26
27
28
24
23
25
22
31
32
21
33
29
30
30
31
34
34
26
27
28
34
35
36
37
38
39
28
34
35
36
37
38
39
83
75
78
76
77
67
65
66
72
70
61
60
58
57
30
29
*
4.7k
1
*
1
MASTER CONTROL
0
330
1k
R493
AMP
SPEANA
RESET
MIC SCORE
MUSIC L+R
XVOI
CE
SC
ORE
CN505
6P
6
1
A+9
V
AGND
DGND
SCORE
XVOI
CE
81
82
100
95
R482 100
R481 100
DOWNMIX-L
DOWNMIX-R
3.4 <0.2-3.1> [0.2-3.1]
3.4 <0.2-3.1> [0.2-3.1]
3.4 <3.4> [0]
E15, EA
MODEL
(MY,SP,PH)
(E15)
(EA)
(E15)
(EA)
HCD-GN1200D
HCD-GN1200D
46
46
7-17. SCHEMATIC DIAGRAM – MAIN Section (2/5) –
• See page 34 for waveform.
BOARD
MAIN
(1/5)
BOARD
MAIN
(1/5),(5/5)
BOARD
MAIN
(1/5),(3/5),(4/5),(5/5)
BOARD
MAIN
(3/5)
BOARD
MAIN
(3/5)
3
7
1
4
8
55
BUS5
TC R
TC L
REC-OUT-L
REC-OUT-R
TAPE A
HEAD
HEAD
TAPE B
TCM MGND
B SHUT
CAPM+
BTRG M+
ATRG M+
REC(FWD)
A SHUT
BHALF
AHALF
TC DGND
REC(REV)
R362
C324
R323
R324
R326
C344
R355
C343
R354
R151
CN510
R303
C303
R352
C301
C305
R305
R308
C307
C310
R310
C364
R369
R353
R307
C361
C333
C326
C328
R363
R328
C330
C321
C318
R319
C317
R317
R315
R313
R312
R311
C314
R314
C371
R370
R371
C372
R374
C373
R372
R375
R376
R373
T301
BIAS
OSCILLATION
TRANSFORMER
R388
C334
C335
R338
R333
R364
C383
C385
R385
L320
C329
L370
C378
R387
R337
R336
R368
C376
C327
R318
R390
R396
R386
R395
R394
R379
R377
R378
C377
C379
CN503
CN504
C382
C332
R344
R346
R348
R347
R342
R343
R349
R340
R345
R341
Q325
Q375
Q322
Q378
IC301
Q373
Q372
Q321
R399
R159
D342
D340
Q343
Q345
Q344
Q382
Q379
Q381
Q383
Q380
Q377
Q370
C370
C374
R392
R380
R158
R150
C331
C340
Q340
Q342
Q341
2.2k
1
50V
2.2k
1k
10k
0.0022
15k
10
50V
47k
4.7k
3P
1.5k
0.1
4.7k
0.012
10
50V
10k
2.2k
1
50V
2.2
50V
47k
0.0022
2.2k
1k
15k
10
50V
10 50V
10
50V
0.1
4.7k
1.5k
0.012
2.2
50V
470
10V
22k
10
50V
1M
100
100
100
100
10
50V
4.7k
0.0047
3.3k
4.7k
0.001
4.7k
0.001
6.8k
6.8k
4.7k
4.7k
10k
330p
0.022
10k
2.2k
2.2k
330p
0.022
2.2k
27mH
120p
27mH
120p
2.2k
2.2k
2.2k
2.2k
680p
680p
2.2k
10k
10k
33
47k
4.7k
10
47
10k
0.01
0.0068
8P
3P
1200p
1200p
10k
10k
10k
2.2k
2.2k
2.2k
3.3k
2.2k
3.3k
3.3k
2SD2704K
SWITCH
2SD2704K
SWITCH
2SD2704K
SWITCH
RT1P137P-TP-1
SWITCH
HA12237F
2SD2704K
SWITCH
2SD2704K
SWITCH
2SD2704K
SWITCH
10k
4.7k
MA2J1110GLSO
MA2J1110GLSO
DTC114EKA-T146
A TRIG DRIVE
DTC114EKA-T146
B TRIG DRIVE
DTC114EKA-T146
CAP MOTOR DRIVE
DTA114EKA-T146
SWITCH DRIVE
DTC114EKA-T146
SWITCH DRIVE
DTC114EKA-T146
BUFFER
DTC114EKA-T146
SWITCH DRIVE
DTC114EKA-T146
SWITCH
2SA1162-YG
SWITCH DRIVE
2SD596DV345
BIAS OSC
0.01
100V
47
10V
6.8k
6.8k
5.6k
5.6k
47
16V
47
16V
2SB1132
A TRIG DRIVE
2SB1132
B TRIG DRIVE
2SB1132
CAP MOTOR DRIVE
+9V
TC MUTE
BUS8
M+9V
3.3V
GND
56
54
53
52
50
49
48
PB/REC EQUALIZER AMP
DECK A/B SELECT,
R381
R382
R332
R365
R366
R316
R331
R350
R300
CN509
4.7k
47k
3.3k
3.3k
10k
47k
22k
4.7k
4.7k
11P
89
47
90
91
(Page 47)
(Page 47)
(Page 45)
(Page 47)
(Page 47)
(Page 48)
(Page 49)
(Page 45)
(Page 45)
(Page 49)
(Page 49)
HCD-GN1200D
HCD-GN1200D
47
47
7-18. SCHEMATIC DIAGRAM – MAIN Section (3/5) –
8
2
10
19
V
16
11
C
6
12
5
7
15
BOARD
MAIN
(2/5)
BOARD
MAIN
(1/5)
BOARD
MAIN
(2/5)
BOARD
MAIN
(4/5)
BOARD
MAIN
(1/5)
BOARD
(1/4)
CN315
DMB16
MAIN
BOARD
(1/5)
MAIN
BOARD
(5/5)
MAIN
BOARD
(5/5)
BOARD
MAIN
(1/5)
BOARD
EFFECTOR
CN1502
BOARD
MAIN
(5/5)
BOARD
MAIN
(1/5),(2/5),(4/5),(5/5)
J
K
CN506
R532
C102
R102
C106
R104
R107
C107
C103
C101
C105
R108
R110
C127
C115
R111
C111
R116
C120
C128
R130
R123
R121
R124
C165
R172
R117
C114
R164
R114
R160
R112
R170
R115
R163
R113
C174
C118
C559
JR502
JR509
CN521
R152
R155
R156
C158
R162
C173
R173
C164
C162
R165
C170
C109
C110
JR104
C163
C168
IC101
Q167
Q117
C167
C166
R166
Q101
Q151
C116
C117
C156
C157
R531
R581
R582
R167
C113
R180
R131
R133
R132
C131
C130
C160
9P
3.3k
6.8k
6.8k
10
50V
2.2k
10
50V
1k
1k
10
50V
10
50V
100
10V
10
50V
100
2.2k
1
50V
10
50V
10k
0.033
820
0.1
330
10V
2.2k
10k
10k
47k
10
50V
0
0
10
50V
10k
10k
47k
47k
1k
1k
10k
10k
10
50V
10
50V
1000
10V
0
0
21P
1
10k
47k
10k
10
50V
10k
1
50V
2.2k
0.022
0.033
100
10
50V
0.022
0.022
0
0.022
10
50V
M61529FP-D60G
2SD2114K
MUTE
2SD2114K
MUTE
10
50V
10
50V
1k
2SC1623
SWITCH
2SC1623
SWITCH
0.15
0.27
0.27
0.15
3.3k
1k
0.015
820
2.2k
100k
1M
0.47
50V
10
50V
0.015
50V
BUS1
BUS2
BUS3
BUS4
BUS5
AU+5V
21
+9V
XVOICE
XVOICE
SCORE
SCORE
DBFB
VIDEO L
VIDEO R
MIC ECHO
TC L
TC R
GND
MUTE 4
REC-OUT-R
REC-OUT-L
L+R
FL
FR
SW
SAT-R
DOWNMI
X-R
L-OUT
LINK
-R
80
79
LFE
FC
DM_L
DM_R
MB_SL
MB_SR
MB_FR
MB_FL
1
2
3
5
6
REC-OUT-L
REC-
OUT-L
REC-
OUT-R
REC-OUT-R
R-OUT
LINK-L
SAT-L
DOWNMI
X-L
ELECTRICAL VOLUME
GRAPHIC EQUALIZER CONTROL,
INPUT SELECT SWITCH,
TU901
TUNER
PACK
CN512
17P
R325
D325
D101
D102
Q323
R330
R334
R329
1k
MAZ8047GMLSO
MA2J1110GLSO
MA2J1110GLSO
J103
2SC5053
+4V SWITCH
1k
0
100k
D-LIGHT
SYNC OUT
IIC CLK
IIC DATA
DGND
D+4V
L+R(SPEANA)
DGND
BUS6
BUS6
BUS10
18
19
43
44
70
57
EFFECTOR R
EFFECTOR L
A+9V
INPUT
R
INPUT
L
S0
S1
S2
OUTPUT R
OUTPUT L
AGND
AGND
AGN
D
AGND
SELECTOR
AGN
D
DGND
CTRL
3
CTRL
1
7.8
4.7
4.7
(Page 46)
(Page 45)
(Page 46)
(Page 45)
(Page 48)
(Page 38)
(Page 49)
(Page 49)
(Page 45)
(Page 45)
(Page 46)
(Page 48)
(Page 49)
(Page 48)
(Page 49)
(Page 45)
(Page 57)
(Page 49)
HCD-GN1200D
HCD-GN1200D
48
48
7-19. SCHEMATIC DIAGRAM – MAIN Section (4/5) –
BOARD
MAIN
(1/5),(2/5),(3/5),(5/5)
BOARD
MAIN
(1/5)
BOARD
MAIN
(5/5)
BOARD
MAIN
(5/5)
BOARD
SURROUND
(1/2)
NO801
BOARD
BOARD
MAIN
(3/5)
(2/2)
CN701
SURROUND
BOARD
MAIN
(1/5)
17
C270
C272
R287
R304
R265
C265
R263
C263
C262
R254
R260
C258
R258
R267
R264
C257
R266
C269
C259
R257
R256
C255
R259
R255
R261
C275
C253
C252
R275
R251
C251 R252
R253
C274
C273
C276
C250
C277
R271
R269
R279
R302
R282
R278
R277
R273
R249
R299
R268
R262
R274
R270
C256
R272
C225
C254
R276
R280
C203
R204
R203
C202
R223
R212
R214
R225
C223
C237
R233
R234
C231
R235
R227
C228
C247
C244
R231
R229
R228
R230
R242
R232
R249
R292
C227
C215
C222
R221
R216 C243
R211
C241
R220
R209
R215
C216
C217
C220
R217
C236
R207
R208
C221
R218
R226
C242
C238
CN514
R238
R288
C240
C239
R239
R289
R297
R247
R246
R296
R295
R245
R294
R244
R293
R243
FB204
FB254
FB260
FB261
R240
C229
R290
C279
C521
C520
J201
Q253
Q202
Q252
Q200
Q250
Q203
Q204
Q254
Q256
Q206
J202
R283
R285
C281
C271
R281
R284
R298
JR218
R286
C264
R241
JW258
JW102
JW101
C282
C260
R291
R224
R213
C530
C235
0.47
IC201
0.001
0.001
10k
8.2k
6.8k
10 50V
4.7k
0.001
10
50V
10k
4.7k
10
50V
47k
10k
8.2k
10
50V
2.2k
10
50V
0.001
0
4.7k
0.001
10k
47k
2.2k
10
50V
10
50V
10
50V
47k
470
220p
10k
0
1
50V
1
50V
1
50V
1
50V
1
50V
10k
10k
10k
10k
10k
1k
47k
10k
10k
R301
10k
10k
1k
1k
47k
47k
10
50V
2.2k
1
50V
10 50V
8.2k
1k
0.1
5.6k
5.6k
0.1
22k
10k
10k
22k
10
50V
10
50V 47k
1k
10
50V
10k
10k
1
50V
1
50V
10
50V
47k
47k
1k
1k
10k
10k
10k
10k
1
50V
100
10V
220p
10k
470
220p
2.2k
0.0022
2.2k
47k
47k
100 10V
0.001
0.001
2.2k
0.0022
2.2k
47k
10
50V
3.3k
3.3k
10 50V
10 50V
5P
0
0
10
50V
10
50V
10k
10k
1k
1k
47k
47k
10k
10k
100k
100k
1k
1k
0
0
0
0
15k
220p
15k
220p
10
50V
10
50V
2SD2114K
MUTE
2SD2114K
MUTE
2SD2114K
MUTE
2SD2114K
MUTE
2SD2114K
MUTE
2SD2114K
MUTE
2SD2114K
MUTE
2SD2114K
MUTE
2SD2114K
MUTE
2SD2114K
MUTE
10k
10k
0.001
220p
47k
47k
1k
0
10k
10
50V
33k
220
10V
0.1
33k
6.8k
6.8k
M61530FP-D60G
BUS3
BUS9
BUS2
+9V
GND
LINK-L
LINK-R
SW
DOWNMIX-L
DOWNMIX-R
DOWNMIX-L
DOWNMIX-R
SAT-R
SAT-L
81
82
REC-OUT-L
REC-OUT-R
EFFECTOR_R
EFFECTOR_L
MB_FL
MB_FR
MB_SL
MB_SR
FC
LFE
FL
FR
100p
0.1
R
L
SURROUND VOL CONTROL
R
L
SW OUT
DVD MUTE
MUTE
TM101
CN105
3P
+
–
SW+
SW-
(EXCEPT EA)
(EA)
(Page 49)
(Page 45)
(Page 45) (Page 46)
(Page 47) (Page 49)
(Page 47) (Page 49)
(Page 49)
(Page 45)
(Page 47)
(Page 64)
(Page 63)
Click on the first or last page to see other HCD-GN1200D / MHC-GN1200D service manuals if exist.