Printed Wiring Board - Sony XM-444 Service Manual

3-5. PRINTED WIRING BOARD • Refer to page 12 for Semiconductor Location and Common Note on Printed Wiring Boards.
1 2 3
A
CN802
AMP BOARD
SPEAKER OUT
(REAR) (FRONT)
R336
B
L
BTL
R436
C
R
D IC851 D803
C803
JW149
R807
JW148
R808
LD801
R
POWER/
C804
D801
PROTECTOR
R810
G
E Q802
LD801
Q801
F901
40A
R865
F
CN801
R904
REM
C901
R901
+12V
G
C910
GND
PL801
H
I
4 5 6
Q410
E C
R426
JW118
JW120
JW121
JW122
R428
JW123
Q408
JW156
JW125
C853
C415
JW126
JW127
C854
R859 Q853
E C B
JW129
Q852 JW130
JW131
JW132
JW151
JW133
C802
JW110
JW134
R815
JW109
JW108
JW107
R802
JW147
C903
8 1
JW146
IC901
D802
9 16
R913
C905
R914
C
R920
Q902
B E
R918
R814
R919
R905
JW137
R922
R921
R916
T901 R923
JW140
L951
DC-DC CONVERTER
R925
TRANSFORMER
JW96
JW141
JW95
C907
JW94
JW93
R926 R928
G D S G D S K A K A K A
Q904 Q903 D904
7 8 9
Q411 Q310
B Q406 E C B E C B Q306 E
B C E R427 R326 B C E
R323
R423
TH803
R324
R424
JW49 JW48
Q407
Q307
JW50
JW51
JW119
JW52
C315
R425
R421
Q403
Q405 R328
R325
C413 D402
Q404
C414 R414
Q309
Q409
Q308
R417 JW54
Q402
JR4
JW55
R413
R416
JW56
R329
JW57
R330
C412
JW58
JW128
Q312
JW116
D852
R333
JW115
R851
JW114
R852
JW113
JW112
JW111
JW106
JW105
D905
JW66
JW104
JW103 JW72
JW102 JW73
JW67
JW101 JW74
Q201
JW68
JW75
E C B
JW100
JW77
C212
JW78
C913 C916
D202
R213
R215
D201
R233
C215 Q203
Q205 R214
C214 R217
C914 C915
C213
Q208 Q202
Q209
R225
JW90
JW91
Q204
R228
JW88
JW92 Q207
JW89
R224
TH802
R223
E C B
R227 R226
Q206
B C E B C E
D903 Q211 Q210
11 11
10 11 12
Q311
JW46
C B
4 1
R327
IC806
C311
R310 5 8
JW47
R408
C406
R321
C408
C409
R409 VR802
R407
Q303
Q305
C410
4 1
C313
C310
C314 R314 C307
IC805
R317
Q304
5 8
Q302
C419 C306
C320
R316 C308
C420
C319
C312
C219
D301 R303
R338
C220
R313
C304
R301
C119
4 1
C120
E C B
IC804 R302 JW21
Q401
C301
5 8 R402
JW32
C860
JW20
D906
JW59
C401
C919
Q851
C918
C959
JR1 R103 R138
R930
R961
C104
R101
Q906 4 1
JW19
IC801
Q905 C101
JW31
5 8
JW30 JW18
R929
C201
R112
JW69
E C B
JW11
C112
JW70
Q101
JW10
JW71
R113
D102
R115 D101
R210 C111
1
C115
4
Q103
R114
IC803
C114
R117
5
Q105
C113 8
Q109 R110
Q102
Q108
JW84
R125 R118
Q104
R129
B C E Q112
JW2
R128
JW85
JW87
Q107 JW86
R133 4
R124
IC802
R123
5
E C B
R127 R126
Q106
B C E B C E
Q111 Q110
XM-444
13 14 15
S802
LPF(80Hz)
S802
(REAR)
-2 -1
-2
ON
OFF
-1
VR802
C309
LEVEL
(REAR)
CNJ802
R437
HI LEVEL
R
(REAR)
L
R
(FRONT)
L
(REAR)
C302 R864
-3 -4
C402
L (BTL) R
CNJ801
C861
INPUT
(FRONT)
-1 -2
L (BTL) R
C102
C202
C862
R862
S801 S801
-2 -1 HPF(80Hz)
-2
(FRONT)
ON
-1
OFF
VR801
VR801
LEVEL
R108
(FRONT)
C109
R109
C110
1
R206
C107
R106
C108
8
R107
1-684-682-
11