Read Sony XM-7547 Service Manual online
XM-7547
12
12
5-6. PRINTED WIRING BOARD – AMPLIFIER SECTION –
• Semiconductor Location
D101
H-12
D102
H-11
D103
F-11
D104
F-11
D105
E-9
D106
F-9
D201
H-9
D202
G-9
D203
F-8
D204
F-7
D205
E-8
D206
F-8
D301
H-6
D302
H-5
D303
F-7
D304
F-7
D305
E-6
D306
F-6
D401
H-4
D402
G-3
D403
E-3
D404
E-2
D405
E-3
D406
F-3
D851
A-2
D853
C-1
D854
E-1
D855
E-1
D856
E-2
D857
E-1
D858
E-2
D859
E-1
D860
E-2
D861
E-1
D862
G-2
D863
G-7
D864
G-2
D865
G-7
IC801
B-8
IC802
B-9
IC806
B-10
IC807
B-7
IC808
B-6
IC812
B-4
IC851
A-1
Q101
A-10
Q102
A-9
Q103
A-10
Q104
G-11
Q105
G-11
Q106
G-11
Q107
G-11
Q108
G-11
Q109
G-11
Q110
H-11
Q111
H-12
Q112
H-11
Q113
E-12
Q114
F-12
Q115
E-12
Q116
F-12
Q201
A-10
Q202
B-9
Q203
B-11
Q204
G-9
Q205
G-9
Q206
G-9
Q207
G-9
Q208
G-9
Q209
G-9
Q210
H-8
Q211
H-9
Q212
H-8
Q213
E-9
Q214
F-9
Q215
E-8
Q216
F-8
Q301
A-4
Q302
A-6
Q303
A-4
Q304
G-6
Q305
G-5
Q306
G-6
Q307
G-5
Q308
G-6
Q309
G-5
Q310
H-6
Q311
H-6
Q312
H-5
Q313
E-6
Q314
F-6
Q315
E-6
Q401
A-4
Q402
A-6
Q403
B-4
Q405
G-3
Q406
G-3
Q407
G-3
Q408
G-3
Q409
G-3
Q410
H-3
Q411
H-3
Q412
H-2
Q413
E-3
Q414
F-3
Q415
E-3
Q416
F-3
Q851
H-1
Q852
C-12
Q853
C-2
Q854
C-1
Q855
D-1
Q856
D-2
Q857
C-12
Q858
C-12
Q859
A-12
Q860
A-12
Q861
A-12
Ref. No.
Location
Ref. No.
Location
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
JW589
JW581
JW570
JW571
JW551
JW553
JW552
JW572
JW573
JW557
JW540
JW539
JW536
JW537
JW561
JW562
JW563
JW558
JW559
JW554
JW555
JW525
JW526
JW527
JW521
CNP808
C118
JW517
CNP805
JW518
JW519
JW520
JW522
JW523
JW524
JW541
JW528
JW529
JW531
JW530
JW532
JW531
JW535
JW690
JW556
JW574
JW582
JW583
JW584
JW585
CNP809
JW595
JW594
JW592
JW593
JW588
JW587
JW586
JW580
JW579
JW578
JW577
JW576
JW575
JW546
JW538
JW560
JW550
JW549
JW548
JW547
JW533
JW564
JW565
JW566
JW567
JW568
JW569
JW545
JW542
JW51
1
JW510
JW509
JW507
JW505
JW504
JW512
JW516
JW515
JW508
JW506
JW503
JW502
JW501
JW514
JW513
JW544
JW543
JW598
JW597
JW601
JW602
JW608
JW607
JW606
JW605
JW596
JW685
JW684
JW683
JW637
JW628
JW612
JW61
1
JW613
JW614
JW615
JW616
JW627
JW629
JW630
JW631
JW636
JW645
D863
D865
JW646
JW647
JW648
JW649
JW650
JW660
JW662
JW661
JW658
J6599
JW644
JW635
JW640
JW641
JW642
JW633
JW634
JW651
JW694
JW652
JW643
JW625
JW619
JW626
JW618
JW617
JW622
C413
VR401
VR301
JW621
JW620
JW623
JW624
JW638
JW632
JW639
JW686
JW688
JW689
E
E
E
E
D305
R340
R338
JW675
JW676
JW677
JW672
JW673
JW674
JW666
JW667
JW664
JW671
JW663
JW653
JW665
JW668
JW669
JW670
JW678
JW680
JW681
JW682
JW679
JW656
JW655
JW654
JW657
JW687
JW589
JW603
JW604
JW590
JW591
C880
C881
R353
R453
R153
R457
R357
R356
C416
R454
R455
C412
R425
C41
1
R419
R418
C410
R428
R329
R355
C312
R354
C315
C415
R328
R429
R456
C314
C414
C708
TH851
Q853
C859
C860
C313
C302
C301
C401
C102
C202
C201
C402
C101
C853
C851
C316
R257
C216
R254
R255
C212
R225
C21
1
R219
R218
C210
R224
R228
R129
R155
C1
12
R125
C
111
R1
19
R1
18
C1
10
R124
R154
C1
15
C215
R128
R229
R256
R157
R156
C1
16
C861
C863
C864
JW609
JW610
C862
C113
R253
C870
C875
C874
R140
R138
S851
S851
VR804
VR802
S806
C114
C214
D855
D854
D857
D859
D856
D860
D858
D861
C865
C866
JW691
JW692
E
E
E
E
JW693
CNP806
Q410
C213
VR201
VR101
R240
R238
C876
C877
D862
D864
C879
C878
C872
VR803
VR801
S805
CNJ807
CNJ807
L851
TEST TONE
Q852
E
Q413
Q414
Q854
Q415
D406
Q416
Q313
Q314
Q316
Q315
Q213
Q214
Q215
Q216
Q113
Q114
Q115
Q860 Q861
Q201
Q101
Q857
Q859
Q858
Q116
R313
Q851
R427 R426
C895
C894
R862
R863
R433
R431
R430
R424
R881
C887
R233
R231
C885
R879
R149
R148
R147
R146
R1
17
R217
R136
R137
R134
R133
R131
R132
R130
R421
R420
C892
C893
C886
R327 R326
R880
R321
R325
C31
1
R319
R318
C310
R324
R332
R330
R333
R331
R320
R227 R226
R230
R232
R884 R878
R121
R120
R127 R126
C882
C883
R151
R145
R150
R143
R135
R236
R234
R237
R246
R247
R248
R249
R346
R347
R348
R349
R245
R250
R251
R243
R235
R336
R334
R337
R350
R343
R335
R351
R345
R436
R449
R867
R883
R886
C899
R887
C850
R884
R856
R857
R861
C858
R860
C857
R859
R855
R858
R868
C898
C896
C897
Q855
Q856
R866
R885
R448
R447
R446
R434
R437
R450
D405
C868
C887
R445
R451
R440
R438
R443
R435
R432
R417
R317
R864
IC851
Q401
Q301
Q303
Q403
R416
R852
R216
R853
R1
14
R214
R106
R215
R882
R1
10
C107
R1
13
C209
R21
1
R212
R109
R108
R851
R412
R415
R452
R352
R315
C407 R408
R308
R310
C307
C307
C318
R312
R309
C309
C409
C408
C308
R411
R306
R405
C405
R401
C303
R304
C304
C305
R301
R305
R303
R314
R414
R316
C854
R854
C852
R116
R107
R115
JR001
R111
C869
R874
R876
R871
R873
C871
E
E
E
R877
R875
R870
E
E
R872
R252
R152
R213
R112
C109
R209
C218
R208
R210
C207
C106
R206
C206
R207
R404
C403 C704
R201
R204
C203
C703
C103
R104
C104
C105
R101
R105
R205
C205
R403
C404
R402
C888
C889
R203
R103
R102
R302
C856
C204
R202
R307
C306
C306
Q302
R406
R407
C406
R413 E
E
R311
R410 R409
IC812
IC808
IC807
IC801
IC802
IC806
Q110
Q111
Q112
Q109
Q108
Q107
Q105
Q104
Q106
1
9
10
1
9
1
RY802
RY801
E
E
E
Q402
E
Q102
E
Q103 E
Q203
E
Q202
E
Q412
Q409
Q405
Q407
Q404
Q406
Q408
Q309
Q307
Q305
Q304
Q306
Q308
Q312
Q311
Q310
Q212
Q211
Q210
Q209
Q207
Q205
Q204
Q206
R221
R220
Q208
T851
E
E
E
TP102
TP201
TP202
TP101
TP402
TP401
C208 E
E
C108
1
2
AMPLIFIER BOARD
VR804
VR802
LEVEL
(MIN MAX)
VR101,201
IDLING
VR301,401
IDLING
S806
DIRECT
(ON OFF)
LOW BOOST
(40Hz)
(0dB +10dB)
VR803
VR801
LEVEL
(MIN MAX)
S805
DIRECT
LOW BOOST
(40Hz)
(0dB +10dB)
FILTER BOARD
CNJ809
B
(Page 10)
FILTER BOARD
CNJ808
C
(Page 10)
BLU TH
BLU +15V
BLU RELAY
BLU MUTE.
BLU OFFS
BLU H-C
BLU OFFS
BLU H-C
BLU H-V
POWER BOARD
CNB805
A
(Page 15)
TO POWER BOARD
(Page 15)
TO
DC FAN MOTOR
BLU FAN
BLK GND
BLU +B
11
1-675-240-
D
MONO-R
MONO-L
C
B
A
INPUT
RED
BLK
09
-28V
GND
+28V
+28V
GND
-28V
CN811
SPEAKER OUT
CN810
A
B
SPEAKER OUT
A+B
MONO
C
D
C+D
MONO
C706
C707
D405
D306
C418
D205
E
E
E
E
D206
D206
D105
E
E
E
E
D106
(ON OFF)
D851
D853
D404 D403
D401
D402
D301
D302
D304 D303
D204 D203
D202
D201
D101
D102
D104 D103
S
S
S
S
S
S
S
S
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