Printed Wiring Board - Main Board - Sony XM-N502 Service Manual

XM-N502
4-3.

PRINTED WIRING BOARD - MAIN Board -

1
A
B
C
D
(CHASSIS)
TP2
R528
E
A
D503
K/K
F
(E, IND)
XM-N502
All manuals and user guides at all-guides.com
• : Uses unleaded solder.
2
MAIN BOARD
TP5
Q108
A A
R505 R506
TH502 B E
D501
K/K
Q109
CAM005
TP6
JW46
B E
C114
R129
R130
(CHASSIS)
JC2
JW56 JW70
JC3
B
JW67
R127
Q110
JW12
E
Q106
R132
E
JW94
R126 R139
R125
R128 R140
R124
Q104
Q105
Q107
E B
B
E
Q112
R122
R133 A R123
C112
D102
E
K
A
B
R131
K
Q111
1C 2C
JW47
Q102 Q103
E
C111
Q101
Q200
E
Q100 JC6
E
CAM004
C208
C109
(E, IND)
R215
Q304
R247
JW82 (E, IND)
JW43 C105 C103
R241
C219 8 5 JW92
JW75
JW69
IC301
JW73
C204 JW91
R525
C523
R213
1 4
C205 C303
R521 R522 C209
C509
R206
A JW5
C510
C508
C302
R202
JW10
(E, IND)
C507
R141
JW86
R136
TP24
TP1
C136
R302
R301
TP23
TP25
C301
TP28
L R
L
(BTL)
CN901
INPUT
HIGH LEVEL INPUT
CNJ901
SENSING POWER ON
3 4
(CHASSIS)
TH503
R226
R227
CAM002
JC15
Q209
C224
Q211
B E
JC13
R229
R231
E B
Q208 R239
B E
JW25
R240
E
JW27
Q212
JW51
JW19
JW50
JW49
JW48
JW32
R225
JW85
R224
Q205
Q204 R222
E
B E B E
R320 R321
K R223
JW59 JW14
D305 D306
C212
JW62 D202
A K A K A
A
D101 R218 C312 C313
R220 D201
Q318
K B E
E B
Q317
1C 2C
Q203
R326
R327
C211 B B
B B
R245
C220
E E
JC19
E E
E JC16 E
R323
R325 Q508
K
JW78
E
JC22 TP15 A
TP14
R143
JW76 Q501
8 5
C919
C920
IC303
JW77
E
R517
JW13
K R503
E
A
JW7
D515
JW60
1 4
C504
E
K
JW9
Q512
D513
JW63
R518 R510
A
R242 R142
Q503 E
A
C505
-2
E Q502
K
-1
RV301
D918 R516 R513
C115
R512
LEVEL
POWER/PROTECTOR
Q904
JW81
(GRN): POWER ON
E TP21
(RED): PROTECTOR ON
R918
JW95
(GRN) (RED)
S301
JC23
S301
L
LPF
-2
R
(80Hz)
-1
OFF ON
10 10
5 6
(CHASSIS)
CAM003
Q207 E
R228
R230
Q206
E
Q210
TP9
E B
TP10
R232 C305
C306
TP11
R931
R319
E
E
Q307 Q308
C910
R318
C318
E
R915
C317
Q905
Q906
E
R916
C911
R919
TH501
R920
TP4
JC14
D502
TP3 TP13
C921
R941
16
9
IC901 R905
E
Q902
Q510
E B
8
1
E
R943
C905
C908
A
C909
D906
A
R913 Q903
Q309
K E E
E
C907
Q901
R940
R933
C906
C215
R134 R234
JW99 TP20
TP22 TP19
R901
(E, IND)
25A
R
BTL
SPEAKER OUT
CN903
Note: When replacing the Q110, Q111, Q210 and Q211 on the MAIN board, refer
to "NOTE FOR REPLACEMENT OF THE TRANSISTORS" on page 2.
7 8
C311
CAM001
D307
K A
(CHASSIS)
D303
D304
R924
E R926
Q908
R923
T901
DC/DC
CONVERTER S
TRANSFORMER D
Q911
G
R927
E
Q909
R922
S
D
Q910
R928
G
CAM006
R925
TH504
C914
(CHASSIS)
TP8 TP12
C915
R932
TP7
R904
R906
L901
K
K
D904
A
JW21
JW24
JW55
C913
JW52
C904
JW16
JW18
TP16
TP17
TP18
12
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REM +12V GND