Read Sony XM-4S Service Manual online
14
14
XM-4S
XM-4S
3-4. PRINTED WIRING BOARDS — MAIN SECTION (2/2) — • Refer to page 12 for Circuit Boards Location and Semiconductor Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
1
10
-5
-6
-1
-2
L
INPUT
FRONT
REAR
FRONT
REAR
R
-3
L
-1
L
-4
R
-2
R
-1
-2
CN801
BLUE
ILLUMINATION-L
BLUE
ILLUMINATION-R
R
(L+R)
40A
-3
-4
SENSING POWER ON
HIGH LEVEL INPUT
FRONT SPEAKER OUT
1-871-721- (12)
12
1-871-720- (12)
12
1-871-717- (12)
12
A
WHT
WHT
WHT
WHT
WHT
WHT
WHT
RED
WHT
WHT
WHT
RED
WHT
WHT
FILTER
BOARD
BOARD
CN802
RED
WHT
RED
WHT
8
1
CN
804
CN813
WHT
WHT
WHT
WHT
WHT
RED
WHT
WHT
6
1
WHT
WHT
WHT
RED
WHT
WHT
-7
-8
-3
-4
L
R
L
R
REAR SPEAKER OUT
L
(L+R)
FL ( )
FL ( )
C831
R831
LED801
CN808
LED801
RED
WHT
WHT
RED
WHT
C830
LED800
R830
CN807
LED800
TP1
TP2
TP3 TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
TP15
TP16
TP18
TP20
TP21
TP22
TP23
TP24
TP26
TP27
TP28
TP29
TP30
TP31
TP32
TP33
TP34
TP36
TP37
TP38
TP39
TP40
TP41
TP42
TP43
TP44
TP45
TP46
TP47
R179
R279
R180
D807
R959
R379
R479
R281
R280
R381
R380
R960
R481
R480
D910
C823
C804
R801
R468
Q805
Q804
Q806
D805
TH904
C825
C824
R815
R814
R953
R932
Q909
Q908
C915
C817
R931
R930
R928
R929
R927
R926
R925
R924
R923
R922
R921
R920
C902
R902
R906
Q901
R901
Q902
R813
R812
R907
R910
R911
R912
R961
R903
C803
R803
R804
R806
R251
R151
R816
R817
R818
R351
R451
D806
R951
Q920
C808
C809
R805
C805
C911
R819
R820
R821
D808
Q919
C818
R934
R404
C416
C417
R405
R305
C316
C317
R304
R204
C216
C217
R205
Q212
R270
R278
R277
Q112
R170
R178
R177
Q312
R370
R378
R377
Q407
R465
R464
R463
R181
R466
R455
R459
R457
R475
R476
R458
Q307
R365
R364
R363
Q207
R265
R264
R263
R166
R155
R157
R175
R176
R158
R366
R355
R357
R375
R376
R358
R266
R255
R257
R275
R276
R258
R260
C917
C801
Q803
C916
R933
D906
D907
C101
C201
C301
C402
C118
C116
R104
C117
R401
R105
C119
R268
R267
R168
R167
Q107
R165
R164
R163
R163
R160
D809
R467
R301
R101
R802
R368
R367
Q412
R470
R201
R478
D901
TH901
R810
R811
C811
C812
R477
R359
TH905
R952
C901
R460
R360
D903
R259
R159
Q916
Q917
R955
R954
R963
R182
R282
R382
R482
R461
R462
R361
R362
R261
R262
R161
R162
TP50
TP51
TP52
TP53
TP54
TP55
TP56
TP57
TP58
TP59
CN805
2
1
2
1
T901
CN903
Q108
Q209
Q208
Q309
Q308
Q409
Q408
C822
C820
C819
C821
L901
C914
Q912
Q911
Q910
C912
R169
D803
C802
Q905
C913
Q109
C810
Q807
Q808
Q110
Q211
Q210
Q310
Q311
Q411
Q410
R269
R369
R469
C905
C906
C908
C920
IC
902
Q913
D804
Q111
C155
C255
C355
C455
C828
C829
Q105
Q205
Q305
Q405
Q404
Q304
Q204
Q104
Q306
Q206
Q106
Q406
C815
CN813
L801
C910
Q918
C923
C922
CN804
CN801
C814
C813
C354
C454
C254
C154
CN806
1
2
2
A
K
A
K
K
A
C351
C151
C251
C827
C826
C451
C
FILTER
BOARD
BOARD
CN812
B
FILTER
BOARD
BOARD
CN803
CN903
CN902
CN902
CN901
CN901
F901
CN904
(Page 17)
(Page 17)
(Page 17)
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