Sharp PG-C20XU Service Manual page 36

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