Read Sony XM-440EX / XM-440NX Service Manual online
XM-440EX/440NX
9
9
3-2. PRINTED WIRING BOARDS
• Semiconductor Location
D101
A-6
D102
A-6
D201
A-4
D202
B-4
D301
C-6
D302
C-6
D401
C-4
D402
C-4
D501
D-8
D901
D-1
D902
D-1
D903
D-3
D904
D-2
D908
E-5
D909
E-5
D910
E-5
D911
F-5
D912
F-6
D913
F-6
D914
D-5
D915
D-5
D916
B-1
D917
B-2
D918
E-4
D919
E-4
D971
D-3
IC101
E-7
IC102
A-7
IC103
A-7
IC202
B-7
IC203
B-7
IC301
F-7
IC302
C-7
IC303
C-7
IC402
C-7
IC403
C-7
IC501
D-7
IC901
D-4
Q101
B-6
Q102
A-6
Q103
A-6
Q104
A-5
Q105
A-5
Q106
A-5
Q107
A-5
Q108
A-5
Q109
A-5
Q110
A-5
Q111
A-6
Q112
A-4
Q201
B-6
Q202
A-4
Ref. No.
Location
Ref. No.
Location
Q203
A-4
Q204
A-3
Q205
A-3
Q206
A-3
Q207
A-3
Q208
A-3
Q209
A-3
Q210
A-3
Q211
B-3
Q212
B-2
Q301
C-6
Q302
C-6
Q303
C-6
Q304
C-5
Q305
C-5
Q306
C-5
Q307
C-5
Q308
C-5
Q309
C-5
Q310
C-5
Q311
C-5
Q312
C-4
Q401
D-6
Q402
C-4
Q403
C-4
Q404
C-3
Q405
C-3
Q406
C-3
Q407
C-3
Q408
C-3
Q409
C-3
Q410
C-3
Q411
D-3
Q412
C-2
Q901
E-2
Q902
D-2
Q903
D-1
Q904
E-2
Q905
E-2
Q906
D-2
Q907
D-2
Q908
D-2
Q915
F-4
Q916
E-4
Q917
E-3
Q918
F-3
Q919
F-6
Q920
F-6
Q921
D-6
Q922
D-5
Q923
B-2
Q924
B-2
Q925
B-2
MAIN BOARD
09
1
E
F
2
3
4
5
6
7
8
A
B
C
D
11
1-677-700-
09
2
B
A
1
1-677-341- 11
R934
R928
R927
R931
R929
R933
R932
R980
R937
R936
R935
R942
Q911
Q913
Q914
Q910
Q909
D906
D907
D905
PN901
Q915
LED BOARD
E
E
E
E
E
E
V+
GND
THR
CUR
OFF
E
FILTER
RV301
FILTER
RV101
R140
R147
C115
R240
R247
R239
R139
R236
R238
R237
C215
C931
R961
R964
R963
C932
R962
R965
R966
C940
C941
C933
C934
D916
D917
Q924
Q923
Q925
Q212
J166
J174
R233
R339
R439
R340
R347
C315
J173
J170
J171
R438
R437
J165
R433
R436
J156
R440
R447
J172
C415
Q412
J922
J924
J923
R940
R432
R967
R938
R905
R906
R904
D902
Q903
R902
R901
C903
Q902
D901
J620
R925
R926
C912
Q908
Q906
R923
J619
Q907
R924
R903
J909
J908
J910
J911
J912
C901
J621
R939
R930
D904
C911
R920
Q904
Q905
R921
R919
C909
E
E
E
E
E
E
E
E
E
E
E
J901
J902
CN901
C913
J913
C914
R918
R972
R917
R915
R971
C910
R922
J622
D971
D903
R913
J623
C906
J916
J915
J914
J919
J918
J917
C915
C902
J144
F901
J904
J903
J907
J906
J905
C939
L901
E
Q901
Q918
S
Q917
S
PL901
C916
R951
TH901
J926
R916
J921
J920
R946
R947
Q916
E
R948
R945
R943
Q926
E
T901
R941
R973
R944
R927
D913
J930
J929
D912
J931
D911
D910
J933
J932
R949
R950
C922
C921
Q920
E
Q919
J934
C926
C925
C923
C924
C904
C905
C907
R910
R908
C908
R914
J624
C920
C919
J625
1
8
16
9
J928
IC901
PH901
R954
R953
R955
R952
J629
R956
C930
D915
D914
Q922
E
J948
Q921
E
C917
J938
J955
C918
J936
R354
C311
J118
R353
R453
Q301
E
Q401
E
J148
J155
J154
R334
R335
R324
R326
R325
R319
R318
D302
R320
R321
R322
Q302
E
Q303
E
R317
D301
C313
R323
J927
J937
R330
Q307
E
C312
R329
R328
R327
J956
J965
R331
R332
J147
J954
R336
R337
Q312
E
J645
R338
J945
J925
J150
J149
J168
J941
J152
J159
J158
J177
J960
J950
J953
J947
J946
E
Q306
E
E
Q304
BJ102
BJ103
E
Q305
Q309
Q308
Q310
Q311
E
R124
R126
R125
R119
R118
D102
E
R120
R121
R122
D101
E
C114
Q107
E
C112
R129
R128
R127
R132
J146
Q112
E
J951
E
E
Q106
E
Q104
R133
E
Q105
Q109
Q108
E
Q110
Q111
R138
R137
R136
J949
R131
J145
R123
R154
R153
J944
C111
R253
Q101
E
Q201
E
R134
Q102
E
Q103
E
R117
C113
R135
J943
R130
C314
J942
R454
C411
R434
D402
R435
Q403
E
Q402
E
R417
R419
R418
R422
R420
R421
C413
R423
R424
R426
R425
R430
J646
J163
J153
R431
D401
C412
E
Q404
E
Q405
Q408
E
C414
Q409
E
Q407
E
R429
R428
R427
Q406
E
J160
J169
J940
Q410
Q411
J666
J665
J167
J164
J952
TH902
TH903
R232
R254
C211
R234
D202
R235
Q203
E
Q202
E
R217
R219
R218
R222
R220
R221
C213
R223
R224
R226
R225
R230
J626
J162
J157
R231
D201
C212
E
Q204
E
Q205
E
C214
Q207
E
R229
R228
R227
Q206
Q208
E
J176
J161
Q210
Q211
J964
J611
R108
R107
C105
C152
R105
R109
R106
R110
R111
R151
R211
R212
R112
J615
R213
R208
J610
R210
R209
J612
J616
C106
C108
C109
J143
J142
J141
J139
J138
C151
C209
C206
C207
C107
IC102
IC103
IC202
IC203
R113
J136
J137
J614
J613
J135
J133
J130
J131
J134
C208
C251
R152
R252
R251
C252
R207
C205
R205
R206
R214
R114
C309
C210
C110
R311
R310
C308
J132
J607
R308
J128
IC302
IC303
R411
R412
R312
J609
R351
R413
J127
C306
C307
R313
J605
R352 R314
R452
J604
-2
-4
-3
-1
RV301
-2
-4
-3
-1
RV101
S101
RV102
RV302
S501
CN301
CN303
R504
R503
C452
C352
C351 C409
J608
J126
J125
C408
R410
J601
J124
C406
R307
C305
R305
R309
R306
J606
J600
J122
J121
J123
J120
J618
R408
IC402
IC403
R405
R409
R407
C405
J116
J117
J119
C451
R451
R406
R414
C310
C501
C502
R501
R502
R502
R505
C407
J115
C410
R512
J602 J114
C504
R507
R508
R510
R509
R506
IC501
J603
C505
D501
C219
C220
C120
R511
C119
C503
BJ101
R242
R243
R241
R201
C217
C218
R204
C204
C118
C117
J111
C203
R203
J664
C103
R103
R141
R143
R101
R102
C104
R104
R142
J630
R202
J105
IC101
C202
C201
C101
C102
C102
C116
R957
C935
R958
C936
J112
J106
C401
C402
C301
C302
C416
C937
R959
R401
R404
C404
C928
C929
IC301
R443
C403
R441
J665
J107
R960
C938
J108
J109
J632
C304
R304
R342
R402
R442
R442
R403
C303
R341
R302
R343
C418
C417
R301
R303
C319
C318
C317
C419
C420
C320
R444
R344
J104
J103
J101
J102
R144
R244
J113
C316
C216
R912
R911
R907
R909
FILTER
LPF
RV102
S101
LEVEL
OFF
HPF
FILTER
FRONT
FILTER
LPF
S301
LEVEL
RV302
TEST TONE
S501
OFF
HPF
FILTER
REAR
L
R
HIGH
LEVEL
INPUT
INPUT
CN303
L
R
HIGH
LEVEL
INPUT
INPUT
L
R
INPUT
FRONT
REAR
L
R
INPUT
CN302
E
E
E
E
E
E
E
E
E
R
L
L+R
MONO
FRONT
SPEAKER OUT
CN903
CN904
MONO
REAR
SPEAKER OUT
GND
+12V
REMOTE
CN901
CN902
D908
D919
D918
D909
R
L
L+R
F901
30A
E
Q209
E
E
R333
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
-2 -1
S301
-2 -1
(MONO)
(MONO)
OFF SET
OVER
THER
GND
+V
Ver 1.1
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