Read Sharp PG-C20XE (serv.man6) Service Manual online
37
PG-C20XU
PG-C20XE
PG-C20XE
AN-Z7T
YES
YES
Checking the input signal
setting
Is the input signal setting
as specified?
as specified?
Select the specified signal.
Is the connector properly
connected?
connected?
NO
Reconnect the connector.
End
NO
1
2
YES
YES
YES
YES
Checking the sync signal
Is there vertical sync signal
at TP8003?
at TP8003?
Is there horizontal sync
signal at pin (3) of IC3008
connection terminal PWB?
signal at pin (3) of IC3008
connection terminal PWB?
IC3008 or its peripheral
circuit defective. Or
SC3003 in poor contact.
circuit defective. Or
SC3003 in poor contact.
Is there horizontal sync
signal at pin (3) of IC3006
connection terminal PWB?
signal at pin (3) of IC3006
connection terminal PWB?
IC3006, IC3010 or their
peripheral circuit defective.
Or SC3003 in poor
contact.
peripheral circuit defective.
Or SC3003 in poor
contact.
Is there horizontal sync
signal at TP8002?
signal at TP8002?
NO
End
SC3001 or its peripheral
circuit defective.
circuit defective.
NO
NO
NO
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