Sony SA-WCT291 Manual de serviço - Página 17
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4-4.
PRINTED WIRING BOARD - SUB KEY Board -
1
2
3
A
SUB KEY BOARD
(COMPONENT SIDE)
SUB MAIN BOARD
B
C
D
FOR
SERVICE USE
1
10
E
F
SUB KEY BOARD
(CONDUCTOR SIDE)
G
CL8202
CL8205
CL8204
H
CL8206
CL8207
CL8208
I
J
K
SA-WCT290/WCT291
•
: Uses unleaded solder.
4
5
6
CN8101
(Page 15)
>001P
S8201
S8200
C8200
R8250
9
CN8200
11
1-981-465-
CL8201
CL8200
CL8203
1-981-465-
4-5.
SCHEMATIC DIAGRAM - SUB KEY Board -
7
8
1
A
B
C
SUB MAIN BOARD
D
11
E
(11)
F
G
H
I
11
(11)
J
K
17
17
2
3
4
5
SUB KEY BOARD
CN8200
9P
CL8200
KEY_POWER
1
CL8201
KEY_PAIR
2
CL8202
UNSW3.3V
3
CL8203
D_GND
4
CL8204
UART_RX
5
CN8101
CL8205
PCONT
6
CL8206
UART_TX
7
CL8207
BT_BOOT
8
CL8208
SDA
9
SA-WCT290/WCT291
6
7
8
CN8201
7P
1
3.3V
2
D_GND
3
UART_RX
FOR
4
PCONT
SERVICE USE
5
UART_TX
6
BT_BOOT
7
SDA
C8200
0.1u
R8250
0
S8200
1
C8201
0.1u
R8251
0
S8201
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