XV-Z9000E (serv.man3). Service Manual - Part 2 - Troubleshooting (32-48) - Sharp Projector Service Manual (repair manual). Page 5

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36
XV-Z9000U/E
YES
YES
YES
YES
YES
Checking the input signal 
setting
Is the input signal setting 
as specified?
Select the specified signal.
Is the connector properly 
connected?
NO
Reconnect the connector.
End
NO
1
2
Checking the video input
Make sure the input signal 
setting is as specified.
Check the sync signal.
Is there the video signal at 
the land of C8077?
Input PWB defective.
IC8025 or IC8004 
defective.
NO
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