Read Sony SA-WCT770 Service Manual online
SA-WCT770
SA-WCT770
24
24
4-9. SCHEMATIC DIAGRAM - SUB LED/SUB KEY Boards -
4-8. PRINTED WIRING BOARDS - SUB LED/SUB KEY Boards -
•
: Uses unleaded solder.
3
1
R900
R901
R904
CN901
D901
(ON/STANDBY LAMP)
3
1
CN002
C001
C002
S001
S002
CL004 CL005
SUB KEY BOARD
SUB MAIN
BOARD
CN111
>02P
D901
A
K
A
K
(RED)
(GRN)
A A
K K
1-889-803-
LINK
S001, 002
1-889-804-
SUB MAIN
BOARD
CN113
>01P
A
B
C
D
1
2
3
4
SUB LED BOARD
11, 12
(11, 12)
11, 12
(11, 12)
3P
CN901
LED(R)
1
LED(G)
2
GND
3
CL-165HR/HG5-D-T
D901
R901
82
R900
220
0
R904
SUB LED BOARD
CN111
SUB MAIN
>02S
(1/2)
BOARD
1
C
D
2
B
3
A
4
(RED)
(GRN)
(ON/STANDBY LAMP)
0.1
C002
0.1
C001
CL004
CL005
3P
CN002
1
GND
2
KEY_PAIR
3
KEY_POWER
S001
S002
LINK
SUB KEY BOARD
CN113
SUB MAIN
>01S
(1/2)
BOARD
(Page 20)
(Page 20)
(Page 18)
(Page 18)
Ver. 1.1
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