Sharp XG-P25X Service Manual page 45

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