SA-WCT660 - Sony Audio Service Manual (repair manual). Page 10

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SA-WCT660
10
2-9.  SUB  MAIN  BOARD
qa three claws
qs RF modulator block
qd SUB MAIN board
7 two screws
 (BV3)
9 three screws
 (BV3)
5 connector
 (CN
901
)
4 connector 
 (CN
106
)
3 Remove two wires 
 
from lead pin.
0 Remove the SUB MAIN board 
 
block in the direction of an arrow.
– Sub AMP block rear view –
1 screw (BV3)
2 lug wire
lug wire
SUB MAIN board
lead pin
‡ :ire VeWWiQJ
SUB MAIN board
Note 1: When installing the flexible flat cable, ensure the colored 
 
line. No slanting after insertion.
colored line
colored line
Insert is straight to the interior.
Insert is incline
flexible flat 
cable
flexible flat 
cable
connector
connector
OK
NG
8 heat sink (AMP)
 Note 
2: When installing the heat sink (AMP), 
 
 
spread the compound referring to 
 
 
“NOTE OF REPLACING THE IC104 
  
ON 
THE 
SUB MAIN BOARD AND 
 
 
THE COMPLETE SUB MAIN BOARD” 
 
 
on servicing notes (page 3).
terminal 
face
6 flexible flat cable (24 core) (CN107)
 Note 
3: When installing the flexible flat cable (24 core), 
 
 
insert in the correct orientation after confirming 
 
 
the terminal face.
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