Sony SA-WCT290 Service Manual - Page 7
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2-3.
SUB MAIN BOARD
Note 1: When the complete SUB MAIN board is replaced, refer
to "NOTES ON THE WIRELESS CONNECTION (LINK)
AFTER REPAIRS ARE COMPLETE" on page 4.
SUB KEY
board
wire (flat type)
(9 core)
SWITCHING
REGULATOR
stopper,
wiring
SUB MAIN
board
6 heat sink
Note 2: When installing the heat sink, spread
the compound referring to "NOTE OF
REPLACING THE IC8104 ON THE
SUB MAIN BOARD AND THE
COMPLETE SUB MAIN BOARD"
on servicing notes (page 4).
2
wire (flat type)
(9 core) (CN8101)
7 two screws
(+BVTP 3
8)
5 two screws
(+BVTP 3
10)
IC8104
8 SUB MAIN board
7 two screws
(+BVTP 3
8)
SA-WCT290/WCT291
3 stopper, wiring
1
wire (flat type)
(26 core) (CN8100)
4 CN8102 (10P)
7