Sharp XG-P25X - Page 45

XG-P25X
47
TROUBLE SHOOTING TABLE FOR PC I/F UNIT (Continued)
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Readjust the signal
source settings.
Checking the sync signals
Is there the vertical sync
signal at TL8134?
Is there the horizontal sync
signal at TL8133?
Check the input
signal settings.
Input PWB defective.
Is there the vertical sync
signal at TL8131?
Is there the horizontal sync
signal at TL8130?
IC8302, IC8325, IC8299
or their peripheral parts
defective.
Are both the vertical and
horizontal sync signals in
good sync?
Is the signal generator
(source) as specified?
Input PWB defective.
The sync signals are
okay. End.
2
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO
YES
NO