Printed Wiring Board - Amplifier Section - Sony XM-7547 Service Manual

XM-7547
5-6. PRINTED WIRING BOARD – AMPLIFIER SECTION –
• Semiconductor Location
AMPLIFIER BOARD
Ref. No. Location Ref. No. Location
D101 H-12 Q202 B-9
D102 H-11 Q203 B-11
D103 F-11 Q204 G-9
D104 F-11 Q205 G-9
D105 E-9 Q206 G-9
D106 F-9 Q207 G-9
A
D201 H-9 Q208 G-9
D202 G-9 Q209 G-9
D203 F-8 Q210 H-8
D204 F-7 Q211 H-9
R885
D205 E-8 Q212 H-8
D206 F-8 Q213 E-9
D301 H-6 Q214 F-9
B
D302 H-5 Q215 E-8
D303 F-7 Q216 F-8
D304 F-7 Q301 A-4
D305 E-6 Q302 A-6
D306 F-6 Q303 A-4
D401 H-4 Q304 G-6
D402 G-3 Q305 G-5
D403 E-3 Q306 G-6 C
D404 E-2 Q307 G-5
D405 E-3 Q308 G-6
D406 F-3 Q309 G-5
D851 A-2 Q310 H-6
D853 C-1 Q311 H-6
D854 E-1 Q312 H-5
D855 E-1 Q313 E-6
D
D856 E-2 Q314 F-6
D857 E-1 Q315 E-6
D858 E-2 Q401 A-4
D859 E-1 Q402 A-6
D860 E-2 Q403 B-4
D861 E-1 Q405 G-3
D862 G-2 Q406 G-3
E
D863 G-7 Q407 G-3
D864 G-2 Q408 G-3
D865 G-7 Q409 G-3
Q410 H-3
IC801 B-8 Q411 H-3
IC802 B-9 Q412 H-2
IC806 B-10 Q413 E-3
F
IC807 B-7 Q414 F-3
IC808 B-6 Q415 E-3
IC812 B-4 Q416 F-3
IC851 A-1 Q851 H-1
Q852 C-12
Q101 A-10 Q853 C-2
Q102 A-9 Q854 C-1
G E
Q103 A-10 Q855 D-1
Q852
Q104 G-11 Q856 D-2
Q105 G-11 Q857 C-12
Q106 G-11 Q858 C-12
Q107 G-11 Q859 A-12
Q108 G-11 Q860 A-12
Q109 G-11 Q861 A-12
H
Q110 H-11
Q111 H-12
Q112 H-11
Q113 E-12
1
Q114 F-12
09
Q115 E-12
Q116 F-12
Q201 A-10
DC FAN MOTOR
CN811
SPEAKER OUT
MONO
C+D
D C
S851
TEST TONE
S851
R353 R413 E
R453
D851
R311
Q303
C414 C314
Q301
E
IC851
R310
C708
C307
JW589
Q403
E
JW590
C407 R408
R410 R409
C418
D853
R866
Q853
JW591
E
C897
C896
C898
E E
C881
Q855 Q856
T851
D404 D403
TP401
JW691
C865 C866
D405
E
C887 C868
R450
Q413
Q415 JW692
C861 C862
E
JW693
D406
R443
E
JW625
C706 C707
Q416 Q414
JW626
R440
JW609 E R435
C863 C864
R445 R451
R438
JW610
TP402
R457
RY802
R456
JW619
Q404
Q405
Q407
JW620
Q406
R421 R420
C886
JW621
Q409 Q408
C895
C894
Q851
JW622
C413
JW617
D402
JW623
CNP806
JW624 VR401
S
1 2 S
Q412
JW618 Q410
R427 R426
VR301,401
IDLING
2 3 4
TO
FILTER BOARD
CNJ807
B
CNJ809
INPUT
(Page 10)
MONO-R MONO-L
D C B
VR804 VR802 S806
LOW BOOST LEVEL DIRECT
(40Hz) (MIN MAX) (ON OFF)
(0dB +10dB)
CNJ807
C852
C854
R316 R854
VR804 VR802 S806
R411
C408
C409 JW570
Q402
C308 JW571 E
Q302
E
E C309 JW572
R306
JW581
1
R312 R307
JW573
JW582 R414
C306
R309
JW574
R308 R314
JW583
IC808
C318
JW584
R303
IC812 JW585
R305 R301 R105
C406
C305 C304 R304
C105
R407 JW557
C303
JW558 JW554
R406
IC807 IC801
C403 C704
9
R404
CNP809
JW559
C405 R401
C205
R405 R403
R205
JW561
JW562
JW563
C880
C876
C877
JW686
JW688
E JW687
D305
R350
Q313
Q315 JW689
E
D405
D306
R343
E
Q316 Q314
R340
R335
E
D204 D203
D304 D303
R345 R351
R338
C892
R357
R356
JW644
JW632
Q307
Q304
C893
Q306
Q305
JW633
JW638
R321 R320
R880
JW639
JW634
Q309 Q308
JW635 JW640
JW641
D302
C313
D301
JW642
VR301
S S
Q310
Q312 Q311
JW643 JW652
R327 R326
5 6 7
12 12
FILTER BOARD
SPEAKER OUT
C
CNJ808
(Page 10)
A
B
S805 VR801 VR803
DIRECT LEVEL LOW BOOST
(ON OFF) (MIN MAX) (40Hz)
(0dB +10dB)
S805
R116
VR801
VR803 C208 E
R112 R213
JW536
C109
JW537
C108
E
R107
R111
JW539 CNP808 C214
Q102 JW521
1
C106 C118
JW540 E
Q103 E
JW522
JW517
JW523
IC802
JR001
JW524
IC806
JW518
R115
R101 C206 R206
JW519
Q203
C104 R104 C703 R207
E
JW525
C103 C207 JW520
Q202
E
R210
JW526
C203 JW555 9
R208
R204 JW527
R209
JW556
R201
C218
JW528
JW529
JW530
JW531
JW532
JW531
JW535
C879
JW690
TP201
JW680 JW675
E
D205
JW676
R250 Q213
JW677
Q215 JW681
E
JW678
JW682
D206
R243
JW679
E
Q216 Q214
R240 D104 D103
R235
E
R245
R251
R238
R257 R157
TP202
RY801
R256 R156
JW653
Q107
Q204
Q207
Q205
Q105
Q206
R121
R221 R220
R884 R878
JW654
JW655
Q209 Q208 Q109
JW651
C213 VR201
D102
JW656
D202
JW694 JW657 VR101
S S
Q212 Q211
TH851 Q112
R227 R226
Q210
VR101,201
IDLING
8 9 10 11
CN810
MONO
A+B
A
R253 R153
Q860 Q861
C871 E E
C114
R877
C872 E
CNP805
10
R875
BLU RELAY
BLU +15V
BLU MUTE.
BLU OFFS
BLU H-C
BLU H-V
1 BLU FAN
R252
BLU TH
R152 E R870
BLU +B
R872 BLK GND
E
-28V
A
C875
POWER BOARD
GND
CNB805
C874 (Page 15)
C878
+28V
TO POWER BOARD
(Page 15)
+28V
TP101
GND
-28V
JW672
D105
E
R150
Q113
Q115 JW673
E
JW674 D106
R143
E
Q116 Q114
R140 R135
E
R145
R151
R138
TP102
C882
JW663
Q104 JW671
C883
Q106
JW664
R120
JW665
Q108
JW666 JW667
JW668
C113
D101
JW669
S
S
Q110
Q111
JW670
R127 R126
1-675-240- 11
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