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

3-4. Initial operation of motor and PC image are normal
but TV picture is NG (When the Power LED is lit)
Are CN303 and
FB302 on the SY-303 board
correctly soldered?
Yes
Is 21-pin
of the flexible flat cable
(FA1) correctly connected to CN402
(SY-303 board) and CN302
(VC-292 board)?
Yes
Is the video signal
normally output from 20-pin of
CN901 on the MC-141 board
of the camera head?
No
Is the output of 22-pin
of IC902 on the _ side of C909 on
the MC-141 board of the
camera head normal?
Yes
3-6
No
Solder the parts that are
not correctly soldered.
No
Connect 21-pin of the
flexible flat cable (FA1)
correctly.
Yes
Is the video signal
normally input to 2-pin of CN404
on the SY-303 board?
Are FB302 and
CN303 on the SY-303 board
correctly soldered?
Replace the SY-303
board.
No
Are the outputs
of 2-pin and 4-pin of
CN902 on the MC-141 board
of the camera head
normal?
Yes
Replace the MC-141
board.
No
Yes
Replace the flexible flat
cable (FA1).
No
Yes
Solder the parts that are
not correctly soldered.
No
Go to E (page 4-7)
SNC-RZ30N/RZ30P (E)