PG-C20XE (serv.man6). Section 3 - Troubleshooting - Sharp Projector Service Manual (repair manual). Page 6

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36
PG-C20XU
PG-C20XE
AN-Z7T
YES
YES
YES
YES
NO
NO
Checking the RGB input
Feed the sync separation RGB 
signal to INPUT1 terminal (pin 
(15) of D-SUB). 
Go to "Checking the sync signal".
Do R, G and B colors appear?
Does an image appears?
Is the contour as specified?
Are there disturbing vertical 
stripes?
Select INPUT1 (RGB) with the 
set’s control or remote control 
button.
NO
Go to "Checking the RGB input".
NO
Go to "Checking the input signal 
setting input".
IC8026 or peripheral circuit 
defective.
End
YES
NO
Is the image disturbed? Does 
NO SIGANL indication 
appear?
1
2
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