Initial Operation Of Motor And Tv Picture Are Normal But Pc Image Is Ng (When The Power Led Is Lit) - Sony SNC-RZ30N Service Manual

3-3. Initial operation of motor and TV picture are normal
but PC image is NG (When the Power LED is lit)
C
Is the front Network
indicator blinking?
Yes
Is 22-pin
of the flexible flat cable
(FA1) correctly connected to
CN402 (SY-303 board) and
CN302 (VC-292
board)?
Yes
Is the signal of CN402 on the
SY-303 board correct?
Yes
Replace the SY-303
board.
SNC-RZ30N/RZ30P (E)
No
Are the setting and connection
of the network correct?
Set and connect the
network correctly.
No
Connect 22-pin of the
flexible flat cable (FA1)
correctly.
No
Is the signal of CN302 on the
VC-292 board correct?
Yes
Replace the flexible flat
cable (FA1).
Yes
No
No
Replace the VC-292
board.
Is CN302 on the SY-303
board correctly soldered?
Yes
Replace the SY-303
board.
Solder CN302 on the
SY-303 correctly.
No
3-5