Service manual

37
XV-Z10000
YES
YES
Checking the sync signal
Is there vertical sync signal
at TL8134?
Check the input signal
setting.
Input PWB defective.
Is there horizontal sync
signal at TL8133?
NO
Input PWB defective.
NO
YES
YES
Is there vertical sync signal
at TL8131?
IC8302, IC8325, IC8299 or
their peripheral circuits
defective.
Is there horizontal sync
signal at TL8130?
NO
NO
YES
YES
Are both the vertical and
horizontal sync signals
timely?
There is no problem with
the sync signal.
End.
Make the specified signal
source settings.
Is the signal generator
(input source) as
specified?
NO
NO
2