Read Sony SA-WCT780 Service Manual online
SA-WCT780
13
2-8. SW-MAIN BOARD
Note 1: When the complete SW-MAIN board is replaced, refer to
“NOTE OF REPLACING THE IC104 ON THE SW-MAIN
BOARD AND THE COMPLETE SW-MAIN BOARD” and
“NOTES ON THE WIRELESS CONNECTION (LINK) AF-
TER REPAIRS ARE COMPLETE” on page 5.
BOARD AND THE COMPLETE SW-MAIN BOARD” and
“NOTES ON THE WIRELESS CONNECTION (LINK) AF-
TER REPAIRS ARE COMPLETE” on page 5.
2 Remove the wire from
the wiring stopper.
3 connector
(CN114)
6 two screws
(BV3)
8 connector
(CN113)
4 screw
(BV3
u 8)
0 screw
(BV3
u 8)
0 three screws
(BV3
u 8)
5 holder (WL)
9 wire (W703)
qa wiring stopper
qs SW-MAIN board
:LUHVHWWLQJ
CN114
SW-MAIN board
IC104
wiring stopper
SW-POWER board
7 heat sink (MAIN)
Note
2: When installing the heat sink, spread
the compound referring to “NOTE OF
REPLACING THE IC104 ON THE
SW-MAIN BOARD AND THE
COMPLETE SW-MAIN BOARD”
on servicing notes (page 5).
colored line
Insert straight into the interior.
flexible flat
cable
cable
connector
OK
colored line
Insert at a slant.
flexible flat
cable
cable
connector
NG
+RZWRLQVWDOOWKHIOH[LEOHIODWFDEOH
When installing the flexible flat cable, ensure that
the colored line is parallel to the connector after insertion.
When installing the flexible flat cable, ensure that
the colored line is parallel to the connector after insertion.
Insert only part way.
Insert straight into
the interior.
the interior.
connector
Insert at a slant.
connector
connector
connector
connector
connector
OK
NG
NG
+RZWRLQVWDOOWKHFRQQHFWRU
Insert the connector straight into the interior.
There is a possibility that using this unit without
the connector correctly installed will damage it.
Insert the connector straight into the interior.
There is a possibility that using this unit without
the connector correctly installed will damage it.
top side
bottom side
–$03EORFNUHDUERWWRPYLHZ–
1 flexible flat cable (24P)
(FFC1)
(CN107)
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