Sony XM-475GSX Service Manual ▷ View online
9
9
XM-475GSX
3
2
1
5
6
7
3
2
1
3
2
1
3
1
6
7
2
1
PRE AMP
IC801 (1/2)
PRE AMP
IC802 (1/2)
5
6
7
3
2
1
LOW BOOST
IC806 (2/2)
GAIN AMP
IC806 (1/2)
H.P.F
IC803 (1/2)
L.P.F
IC804 (2/2)
L.P.F
IC804 (1/2)
DIFFERENTIAL
AMP
Q103
POWER
AMP
Q109
DRIVE
AMP
Q107
DIFFERENTIAL
AMP
Q104
POWER
AMP
Q110
DRIVE
AMP
Q108
BIAS
Q111
LEVEL
SHIFT
Q101
LEVEL
FILTER
S801-1
LPF
OFF
HPF
LEVEL
RV802-1
LOW
BOOST
B+
(+14.2V)
B–
(–14.2V)
B+
(+14.2V)
B–
(–14.2V)
CNJ100-1
CNJ100-2
CN101
RV801-1
FILTER
RV801-3
FILTER
RV803-1
LINE
SWITCH
Q102
+12V
GND
10
7
5
6
7
5
7
2
1
6
7
PRE AMP
IC801 (2/2)
PRE AMP
IC802 (2/2)
5
6
7
3
2
1
LOW BOOST
IC807 (2/2)
GAIN AMP
IC807 (1/2)
H.P.F
IC803 (2/2)
L.P.F
IC805 (1/2)
L.P.F
IC805 (2/2)
DIFFERENTIAL
AMP
Q203
POWER
AMP
Q209
DRIVE
AMP
Q207
DIFFERENTIAL
AMP
Q204
SWITCH
CONTROL
Q801,802
POWER
AMP
Q210
DRIVE
AMP
Q208
BIAS
Q211
LEVEL
SHIFT
Q201
RV802-2
LOW
BOOST
RV801-2
FILTER
RV801-4
FILTER
L
HIGH
LEVEL
INPUT
(FRONT)
R
L
(BTL)
(FRONT)
INPUT
(REAR)
INPUT
R
CN810
L
BTL
R
RV803-2
LINE
SWITCH
Q202
RV204
BIAS
RV104
BIAS
15
16
1
2
14
12
TEMP.DET
THN801,804-807
REF.
REG
REG
CN800
F901
40A
INVERTER
Q904,905
INVERTER
Q906,907
DRIVER
Q908
DRIVER
Q909
11
9
8
3
D811
THERMAL
D810
OFFSET
(PROTECTOR)
FRONT
SPEAKER
OUT
D808
POWER
D809
OVER
CURRENT
SW805
TEST
TONE
DC-DC
CONVERTER
TRANSFORMER
T801
DC-DC CONVERTER
IC901
SWITCH
Q808
• Signal path
: AUDIO
• Rear-ch is omitted due to same as Front-ch.
: AUDIO
• Rear-ch is omitted due to same as Front-ch.
2
1
REG
Q901,902
FILTER
S801-2
LPF
OFF
HPF
(40Hz)
(40Hz)
OVERLOAD
DET
Q112
OVERLOAD
DET
Q212
CN811
L
BTL
R
REAR
SPEAKER
OUT
6
5
CNJ100-3
CNJ100-4
CN201
L
(BTL)
R
REM
CN803
B+
REG
Q910
B–
REG
Q911
B+
(+23.5V)
B+
(+42V)
B+
(+36V)
B+
(+36V)
(–35V)
(–35V)
(–42V)
(–14.2V)
B –
B –
B –
B –
B+
(+14.2V)
LED DRIVE
Q812,813
D823
D822
D828
D829
LED DRIVE
Q810,811
OFFSET
DET
Q803-805
LED DRIVE
Q809
POWER
ON/OFF
Q903
DC DET
IC902
D903
D905
D906
D904
D917
D911
D912
D918
D905,906
RECT
D911,912
RECT
D903,904
RECT
D917,918
RECT
D909
D907
D908
D910
D907-910
RECT
TEST TONE
GENERATOR
IC815
(FRONT)
(REAR)
L
HIGH
LEVEL
INPUT
(REAR)
R
(PROTECTOR)
(PROTECTOR)
4-1. BLOCK DIAGRAM
SECTION 4
DIAGRAMS
10
10
XM-475GSX
4-2. PRINTED WIRING BOARDS — FILTER (F), FILTER (R), LED SECTION — • Refer to page 15 for Common Note on Printed Wiring Boards.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
R212
J15
R107
J16
J7
J12
R114
R110
J9
J8
IC805
IC804
IC802
IC803
J212
R260
R213
R161
R261
R111
C205
J11
J210
R210
R209
R208
R108
R112
R109
C105
R211
J14
R113
R115
R215
J13
R214
R116
R216
J211
R207
J213
J209
R160
J214
J6
C208
RV801
S801
SW805
C129
C207
C229
JW99
JW105
JW100
C110
CNJ101
JW101
C106
JW98
JW102
JW97
C209
C210
C107
C206
C109
C108
JW103
JW104
C305
R316
J30
J26
J27
J28
J19
J18
J22
J31
J21
J24
J23
J20
IC811
R416
C405
R414
R413
R415
R315
R314
R411
R360
R361
R407
R307
R461
R460
R408
R412
R409
R311
R312
R308
R309
R410
IC809
J25
R310
IC812
R313
J29
IC810
JW112
CNJ201
JW108
JW110
JW113
JW107
C408
C308
C310
C410
C409
C309
JW111
C406
C407
C306
C307
C329
C429
JW109
RV804
S802
R817
R818
J161
Q808
R812
R813
R814
D808
CN801
D809
D810
D811
(Page 14)
(Page 14)
(Page 14)
D808
J-7
D809
J-5
D810
J-3
D811
J-1
IC802
C-5
IC803
C-3
IC804
D-2
IC805
C-2
IC809
C-9
IC810
C-11
IC811
B-13
IC812
D-13
Q808
I-1
• Semiconductor
Location
Ref. No.
Location
11
11
XM-475GSX
R160
IC802(1/2)
R107
R161
R108
IC802(2/2)
R207
R260
C205
R209
R261
R208
C305
IC809(1/2)
R360
R361
R308
R307
C405
R461
IC809(2/2)
R407
R408
R460
R410
R411
IC812(2/2)
R310
R311
IC810(1/2)
R309
R210
IC803(2/2)
R211
C206
R110
IC803(1/2)
R109
R111
C105
R112
C106
IC804(2/2)
C107
R113
IC804(1/2)
C108
R213
R212
C207
C210
IC805(2/2)
C208
R216
R214
R215
SW805
C209
R114
R115
R116
C110
C109
R812
R817
Q808
R814
R813
C308
C310
C307
R312
IC811(1/2)
R313
C306
IC811(2/2)
R314
R315
R316
C309
C408
C410
C407
R412
R413
C406
IC812(1/2)
C409
R416
R415
R414
IC810(2/2)
R409
IC805(1/2)
C129
C329
C229
CNJ101
RV801
RV801
RV801
RV801
S801
S801
S802
S802
C429
RV804
RV804
RV804
RV804
R818
CN801
D809
D810
D811
D808
CNJ201
(Page 12)
(Page 12)
(Page 13)
4-3. SCHEMATIC DIAGRAM — FILTER (F), FILTER (R), LED SECTION — • Refer to page 15 for Common Note on Schematic Diagrams.
12
12
XM-475GSX
C122 C121 R126
C101
R101
R102
C102
R105
C103
R153
IC801(1/2)
C104
R106
R206
C204
R104
R103
C201
R201
C202 R202
IC801(2/2)
R253
C221
R226
R203
R204
C119
C120
C219
C220
C222
R205
C203
C117
C118
C218
C319
C320
C419
C420
C417
R326
C302
R302
C418
C318
C317
R304
R303
C322
C301 R301
R305
C303
R426
C422
C402 R402
R404
R403
R405
C403
C421
C401
R401
R453
IC808(2/2)
R406
C404
R353
IC808(1/2)
C304
R306
C901
R117
IC806(2/2)
C112
C114
C111
R119
C113
R120
R121 R122 R123
C115
IC807(2/2)
R217
C214
C215
C213
C212
R219
C211
IC807(1/2)
R220
R221 R222 R223
C902
IC813(2/2)
C907
R317
C314
IC813(1/2)
C311
R319
C312
C313
R320
R321 R322 R323
IC814(2/2)
R417
C414
IC814(1/2)
C411
R419
C413
C415
R420
R421 R422
R423
C908
R428
R427
Q402
R431
R429
R330
R332
R328
R327
C315
Q302
C323
Q304
Q303
R331
R228
R230
R227
C223
Q204
R232
Q202
Q203
R231
R229
R128
IC806(1/2)
Q102
R127
R130
R132
C123
Q104
Q103
R131
R129
R133
Q107
Q111
C127
R134
R233
Q207
Q211
C227
R235
R237
R238
R234
R329
R333
Q307
Q311
R335
R337
C327
R338
R336
R334
R433
Q407
Q403
C423
Q404
Q411
C427
R437
R434
R432
R430
Q410
R436
R438
R450
R445
R435
Q409
R448
Q412
Q310
R350
Q312
Q309
R348
R345
Q210
Q212
R236
R245
Q209
R136
Q110
R138
R137
R145
Q109
R150
R148
Q112
R135
C128
R151
C904
C903
C228
R251
C328
R351
C906
C905
C428
R451
C217
R248
R250
TP11
TP13
TP12
TP21
TP23
TP22
TP31
TP33
TP32
TP41
TP43
TP42
CNJ100
CNJ100
CNJ100
CNJ100
CN101
R125
R225
CN201
R325
CNP201
CNP101
RV802
RV802
RV805
RV805
RV806
RV806
RV803
RV803
C412
Q408
C434
Q108
Q208
Q308
C134
C234
C433
C333
C233
C133
R158
R458
R358
R258
CN810
CN811
C334
R425
R124
R224
R324
R424
C819
R118
Q101
R139
R140
C126
R142
R141
R143
R144
R244
R243
R242
R240
C226
R241
R239
R218
Q201
R341
R340
R343
R342
C326
R339
R344
R318
Q301
R418
Q401
R443
R442
C426
R440
R441
R439
R444
RV104
RV204
RV304
RV404
4-4. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 15 for Common Note on Schematic Diagrams.
(Page 13)
(Page 11)
(Page 11)
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