Sony SA-WCT290 Service Manual - Page 15
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4-2.
PRINTED WIRING BOARD - SUB MAIN Board (Component Side) -
1
2
3
A
SUB MAIN BOARD
(COMPONENT SIDE)
B
C
C8138
D
E
SUBWOOFER
JL8111
JL8112
F
G
H
I
J
K
SA-WCT290/WCT291
•
: Uses unleaded solder.
4
5
6
7
CL8004
R8041
R8042
C8140
FB8106
R8138
FB8105
C8103
JC8109
JC8110
R8133
R8134
C8125
L8103
R8136
R8135
JC8107
R8139
JC8108
R8137
C8129
L8102
8
9
10
11
CONNECT TO
SWITCHING REGULATOR 3L411W
(EXCEPT US, CND, E12)
SWITCHING REGULATOR 3L411W-1
(E12)
SWITCHING REGULATOR 3L411L
(US, CND)
JL8109
CL8146
CL8184
JL8108
R8191
C8115
JL8102
JL8107
R8190
R8192
JL8105
JL8106
JL8103
JL8100
R8111
R8121
JL8104
JL8101
C8113
C8114
C8172
R8101
C8171
CL8182
R8038
L8101
3
1
5
4
CL8006
CL8183
CN8104
CL8181
>002P
SUB LED BOARD
CN8300
(Page 18)
15
15
12
13
14
SUB KEY BOARD
CN8200
(Page 17)
~ AC IN
>001P
11
12
2
8
CN8102
CN8101
1
10
1
9
R8175
R8174
R8173
R8176
JL8110
CL8180
R8124 R8125
R8126
C8112
Q8102
R8010
E
R8110
C8104
Q8001
K
A
D8100
C8102
R8011
R8026
R8033
L8004
C8020
R8028
R8105
R8029
R8103
C8016
R8030
JL8001
CL8003
C8166
Note: When the complete SUB MAIN board is replaced, refer to
"NOTE OF REPLACING THE IC8104 ON THE SUB MAIN
BOARD AND THE COMPLETE SUB MAIN BOARD" and
"NOTES ON THE WIRELESS CONNECTION (LINK)
AFTER REPAIRS ARE COMPLETE" on page 4.
SA-WCT290/WCT291
15
16
JL8113
C8164
(CHASSIS)
R8165
R8163
R8162
R8159
R8172
C8101
CONNECT TO
R8164
BLUETOOTH
R8166
MODULE
R8167
R8168
X001
R8189
R8169
(CHASSIS)
C8165
11
(11)
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