Read Sony XM-7547 Service Manual online
XM-7547
13
13
5-7. SCHEMATIC DIAGRAM – AMPLIFIER (2/3) SECTION –
• See page 10 for IC Block Diagram.
R120
47K
Q106
2SC1841-FA
R118
4.7K
Q104
2SC1841-FA
42.3
-0.5
-42.3
-42.9
0.6
Q105
2SA988-FA
Q107
2SA988-FA
R119
4.7K
C112
10P
Q109
2SC3423-Y
R126
3.3K
R127
1K
Q108
2SA1360-Y
VR101
470
R128
22K
Q110
2SC3421-Y
R130
100K
100K
C113
0.1
R131
100K
100K
R129
22K
R132
22
D101
02CZ16-TE85L
D102
0ZCZ16-TE85L
R133 22
Q111
FS70SMJ-2
POWER
AMP
R138
0.06X2 5W
R150
10K
D105 RD12EB2
D106
RD12EB2
D205
RD12EB2
D206
RD12EB2
D306 RD12EB2
D405
RD12EB2
D406
RD12EB2
D305
RD12EB2
R143
2K
R134
1K
R135
1K
Q114
2SA1162-Y
D103
1SS181-TE85R
Q113
2SA1162-Y
R142
0.06X2 5W
R136
1K
R145
2K
R137
1K
Q112
FX50SMJ-2
POWER
AMP
D104
1SS181-TE85R
R148
10K
R149
10K
R151 10K
Q115
2SC2712YG-TE85R
Q116
2SC2712YG
-TE85R
Q316
2SC2712YG
-TE85R
Q416
2SC2712YG
-TE85R
D862 11ES2
D863 11ES2
D864 11ES2
D865 11ES2
R152
470K
470K
R153
33
1W
C114
0.047
R121
47K
R156 10K
R155 6.8K
C116
47/16V
R157
10K 1/4W
R879
10
R878
10
C884
4700P
C885
4700P
R154 3.3
C115 47/16V
RY801
TXD2-
2M-12V
R248 10K
C215 47/16V
C216 47/16V
R254 4.7K
R255 6.8K
R256 10K
R218
4.7K
Q204
2SC1841-FA
Q205
2SA988-FA
Q206
2SC1841-FA
R219
4.7K
R221
47K
R220
47K
Q207
2SA988-FA
C212
10P
R226
3.3K
R227
1K
Q209
2SC3423-Y
Q208-210
DRIVE AMP
Q408-410
DRIVE AMP
R228
22K
VR201
470
Q208
2SA1360-Y
R229
22K
R230
100K
100K
C213
0.1
R231
100K
100K
R257
10K
R232 22
ES70SMJ-2
D201
02CZ16-TE85L
D202
02CZ16-TE85L
R233
22
R238
0.06X2 5W
Q214
2SA1162-Y
OVER LOAD
Q213
2SA1162-Y
Q313
2SA1162-Y
Q413
2SA1162-Y
R235
3.3K
Q211
FS70SMJ-2
POWER
AMP
R243
2K
R250
1K
D204
1SS181-TE85R
R248
10K
R249 10K
D203
1SS181-TE85R
R246 10K
R247 10K
R146 10K
R147 10K
R251
10K
Q212
FX50SMJ-2
POWER
AMP
R240
0.06X2 5W
R236 1K
Q215
2SC2712YG
-TE85R
Q216
2SC2712YG
-TE85R
R252
470K
470K
R253
33
1W
C214
0.047
R320
47K
Q304
2SC1841-FA
Q306
2SC1841-FA
Q305
2SA988-FA
Q307
2SA988-FA
Q308
2SA1360-Y
Q309
2SC3423-Y
R318
4.7K
R319
4.7K
R321
47K
R881
10
R348 10K
C315 47/16V
VR301
470
R326
3.3K
R327
1K
C312
10P
Q310
2SC3421-Y
R328
22K
C316
47/16V
R356 10K
R355 6.8K
R330
100K
100K
C313
0.1
R331
100K
100K
R329
22K
Q311
FS70SMJ-2
POWER
AMP
R332
22
FS70SMJ-2
D301
02CZ16-TE85L
D302
02CZ16-TE85L
R333 22
R357 10K
R338
0.06X2 5W
R237
1K
R245
2K
R340
0.06X2 5W
R440
0.06X2
5W
Q314
2SA1162-Y
OVER LOAD
R343
2K
R345
2K
R350
10K
R335
1K
D304
1SS181-TE85R
R348
10K
R349
10K
R351 10K
Q312
FX50SMJ-2
POWER
AMP
R336
1K
Q315
2SC2712YG
-TE85R
R880
10
C886
4700P
R420
47K
R418
4.7K
Q404
2SC1841-FA
Q406
2SC1841-FA
Q405
2SA988-FA
Q407
2SA988-FA
Q408
2SA1360-Y
R419
4.7K
R421 47K
R354 3.3K
C887
4700P
RY802
TX02-2M-12V
C415 47/16V
C416 47/16V
R454
4.7K
R455 6.8K
R456 10K
R428
22K
VR401
470
R426
3.3K
R427
1K
C412
10P
Q410
2SC3421-Y
Q409
2SC3423-Y
R429 22K
R457
10K
R432
22
R430
100K
100K
C413
0.1
R431
100K
100K
FS70SMJ-2
D401
02CZ16-TE85L
D402
02CZ16-TE85L
R433
22
R438
0.06X2
5W
Q411
FS70SMJ-2
POWER
AMP
R443
2K
R450
10K
R435
1K
Q412
FX50SMJ-2
POWER
AMP
Q414
2SA1162-Y
OVER LOAD
Q415
2SC2712YG
-TE85R
D404
1SS181-TE85R
R448
10K
R449 10K
R451
10K
R445
2K
R436 1K
R352
470K
470K
R353
33
1W
C314
0.047
R452
470K
470K
R453
33
1W
C414
0.047
C708
0.01
Q104-107
DIFFERENTIAL
AMP
Q204-207
DIFFERENTIAL
AMP
Q108-110
DRIVE
AMP
Q308-310
DRIVE
AMP
B+
IDLING
IDLING
IDLING
IDLING
Q210
2SC3421-Y
B
-
B-
B-
B
+
B+
B+
B+
42.3
42.9
1.5
1.3
42.9
1.5
1.5
S
S
S
S
S
S
S
S
1.5
1.5
26.8
26.8
26.8
26.8
26.8
26.8
-0.6
-27.7
26.8
26.8
26.8
-27.7
-27.7
-27.7
-0.6
-0.3
-0.3
-1.8
-27.7
0
26.8
-27.7
-27.7
26.8
26.8
26.8
-27.7
26.8
26.8
0
0
-27.7
-27.7
26.8
0
-27.7
-1.8
1.5
1.5
-1.8
-1.8
-42.9
-42.9
-42.9
-42.9
42.9
42.9
1.5
1.3
B+
B
+
B-
B+
B-
B
+
B
-
B+
B-
B
-
B
+
B
-
B
+
B
+
B
-
B
-
B-
B-
-1.8
1.3
1.3
-1.8
-1.8
-0.5
0
-0.5
-0.5
-0.5
0
0
0
-0.5
0.6
B-
B
-
Q304-307
DIFFERENTIAL
AMP
Q404-407
DIFFERENTIAL
AMP
B
+
B+
B-
B-
B-
42.9
-42.9
42.9
-42.9
42.9
-42.9
42.9
-42.3
42.3
42.3
-0.5
0.6
-0.5
0
0
0.6
-42.3
-42.3
-1.8
OVER LOAD
OVER LOAD
OVER LOAD
OVER LOAD
OVER LOAD
A
B
C
D
C+D
CN810 4P
SPEAKER OUT
CN811 4P
SPEAKER OUT
C110
0.1
R125 220
C111 0.1
R124
220
C210 0.1
R224 220
R225
220
C211
1
C310
0.1
R324
220
R325 220
C311 0.1
C410 0.1
R424 220
R425
220
C411
0.1
R337
1K
R437
1K
R334
1K
R234
1K
R434
1K
D403
1SS181-TE85R
R446 10K
R447 10K
D303
1SS181-TE85R
R346 10K
R347 10K
C882
1000P
C883
1000P
C890
1000P
C891
1000P
C892
1000P
C893
1000P
C894
1000P
C895
1000P
AMPLIFIER BOARD
MONO
A+B
MONO
TO AMPLIFIER BOARD (3/3)
(Page 14)
TO AMPLIFIER BOARD (3/3)
(Page 14)
TO AMPLIFIER BOARD (1/3)
(Page 11)
Click on the first or last page to see other XM-7547 service manuals if exist.