Sharp PG-B10S Service Manual page 42

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PG-B10S
Checking the S-Video
signals
Is there specified voltage
at the EA connector?
YES
Is there S-Video input
signal at pins (71) and (75)
of IC3001?
Check IC3001 and its
peripheral circuits.
Checking the Video
signals
Is there specified voltage
at the EA connector?
YES
Is there Video input signal
at pin (73) of IC3001?
YES
Check IC3001 and its
peripheral circuits.
NO
Go to "Checking the
power unit".
NO
Check the S-Video
terminal and its peripheral
circuits.
NO
Go to "Checking the power
unit".
NO
Check the Video terminal
and its peripheral circuits.
42

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