Read Sharp PG-M25XE (serv.man11) Service Manual online
45
PG-M25X
Checking of SOG Circuit
Check pin (2) of IC8365 by
oscilloscope.
oscilloscope.
The SOG sync separation circuit
(input PWB) is defective.
(input PWB) is defective.
Is there the Y signal including sync
signal?
signal?
Check the land of C8070 by
oscilloscope.
oscilloscope.
Is the composite sync signal
reproduced in correct timing?
reproduced in correct timing?
No
Go to "Confirmation of Input
Signal Setting".
Signal Setting".
No
The SOG circuit is normal.
End.
Yes
Yes
»
PC I/F Unit-9/12
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