Sharp XV-Z9000U Serviceanleitung Seite 37

Checking the sync signal
Is there vertical sync signal
at TL8134?
YES
Is there horizontal sync
signal at TL8133?
YES
Is there vertical sync signal
at TL8131?
YES
Is there horizontal sync
signal at TL8130?
YES
Are both the vertical and
horizontal sync signals
timely?
YES
Is the signal generator
(input source) as
specified?
YES
Input PWB defective.
NO
NO
Check the input signal
setting.
Input PWB defective.
NO
NO
IC8302, IC8325, IC8299 or
their peripheral circuits
defective.
NO
There is no problem with
the sync signal.
End.
NO
Make the specified signal
source settings.
2
37
XV-Z9000U/E