Read Sharp XV-Z9000E (serv.man3) Service Manual online
41
XV-Z9000U/E
NO
YES
YES
Checking the SOG circuit
Is the composite sync
signal played back timely?
signal played back timely?
Measure the signal at
TL8136 on the
oscilloscope.
TL8136 on the
oscilloscope.
NO
Is there the Y signal
including the sync signal?
including the sync signal?
Measure the land of C8069
on the oscilloscope.
on the oscilloscope.
Go to “Checking the input
signal settings”.
signal settings”.
SOG sync separation
circuit defective.
circuit defective.
Input PWB defective.
There is no problem with
the SOG circuit. End.
the SOG circuit. End.
NO
Checking the on-screen
display.
Go to “Checking the GA4
peripheral circuits”.
peripheral circuits”.
Get the flash ROM
reprogrammed.
reprogrammed.
Carry out the output line
adjustment in the
adjustment process.
adjustment in the
adjustment process.
Is the on-screen display
color as specified?
color as specified?
YES
0
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