Read Sharp PG-C20XE (serv.man6) Service Manual online
38
PG-C20XU
PG-C20XE
PG-C20XE
AN-Z7T
YES
YES
YES
NO
NO
Checking the RGB signal
In order to check the input
signal, set the signal
generator to the gradation
signal.
signal, set the signal
generator to the gradation
signal.
Are there gradation signals
at pins (8), (10) and (12) of
IC8012?
at pins (8), (10) and (12) of
IC8012?
Are there gradation signals
at pins (16), (18) and (20)
of IC3002 connection
terminal PWB?
at pins (16), (18) and (20)
of IC3002 connection
terminal PWB?
IC3002 or its peripheral
circuit defective. Or
SC3003 in poor contact.
circuit defective. Or
SC3003 in poor contact.
Using the oscilloscope,
measure the lands (R, G
and B inputs of IC8026) of
C8204, C8208 and C8213.
Are there specified
measure the lands (R, G
and B inputs of IC8026) of
C8204, C8208 and C8213.
Are there specified
IC8026 or its peripheral
circuit defective.
circuit defective.
SC3001 or its peripheral
circuit defective.
circuit defective.
IC8012 or its peripheral
circuit defective.
circuit defective.
NO
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