XG-P25XE (serv.man12). Troubleshooting table - Sharp Projector Service Manual (repair manual). Page 11

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XG-P25X
46
TROUBLE SHOOTING TABLE FOR PC I/F UNIT 
(Continued)
Make the right 
choice.
Reconnect the 
connector as 
specified.
Checking the video input
Check the input signal 
settings.
Is there the video signal at 
the land of C8077?
Input PWB defective.
Check the sync signals.
IC8025 or IC8004 defective.
Checking the input signal 
settings
Is the input menu selected 
as specified?
Is the connector tightly 
connected?
End.
NO
NO
NO
YES
YES
YES
2
1
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