XV-Z9000E (serv.man3). Service Manual - Part 2 - Troubleshooting (32-48) - Sharp Projector Service Manual (repair manual). Page 4

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35
XV-Z9000U/E
YES
YES
NO
YES
Checking the RGB input
Feed the sync-separated DTV 
RGB signal to INPUT1 or 
INPUT2.  (The 480i and 580i 
component signals are not 
included.)
Check to see if the video input is 
as specified.
Is the contour as specified?
Using the front-panel key or 
the remote control, select 
INPUT1 or INPUT2.
NO
NO
Is the image disturbed?
Go to "Checking the sync signal".
Do R, G and B colors appear?
Go to "Checking the RGB signal".
NO
IC8004 or its peripheral circuit 
defective.
End
YES
Does the image appear?
1
2
3
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