49
XG-C55X
Yes
Yes
No
No
Checking of SOG Circuit
Measure the signal at pin (2) of
IC8365 on the oscilloscope.
Is the composite sync signal
reproduced in correct timing?
The SOG circuit is normal. End.
Measure the land of C8070 on the
oscilloscope.
Is there the Y signal including sync
signal?
Go to "Confirmation of Input Signal
Setting".
The SOG sync separation circuit
(INPUT PWB) is defective.
TROUBLE SHOOTING TABLE for PC I/F UNIT (Continued)
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