SA-WCT180 - Sony Audio Service Manual (repair manual). Page 17

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SA-WCT180
SA-WCT180
17
17
3-5.  PRINTED  WIRING  BOARD - MAIN Board -
A
B
C
D
E
1
2
3
4
MAIN BOARD  
(COMPONENT SIDE)
MAIN BOARD  
(CONDUCTOR SIDE)
• 
 : Uses unleaded solder.
• See page 13 for Circuit Boards Location.
3-6.  PRINTED  WIRING  BOARD - KEY Board -
KEY BOARD  
(COMPONENT SIDE)
KEY BOARD  
(CONDUCTOR SIDE)
A
B
1
2
3
4
• 
 : Uses unleaded solder.
• See page 13 for Circuit Boards Location.
3-7.  SCHEMATIC  DIAGRAM - KEY Board -
A
3
2
B
1
KEY BOARD
ES1:
A:46-FH010T-04IF
B:46-FH006T-04HP
ES2:
46-FH008T-03P
1
2
3
XP5
3PIN/2.0mm
XP5
3PIN/2.0mm
C1
7
N
C
/0.
1uF
C1
7
N
C
/0.
1uF
C1
9
N
C
/0.
1uF
C1
9
N
C
/0.
1uF
SW1
POWER
SW1
POWER
SW2
LINK
SW2
LINK
D
D
1
2
3
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