Sharp PG-M20XU Service Manual page 39

» PC I/F Unit-3/12
Checking of RGB Input
Feed the sync separation type
analog RGB signal to INPUT 1.
1
Select INPUT 1 using the set's
key or the remote controller.
2
Does the picture appear?
Is the picture disturbed?
3
Do the three colors R, G and B
appear?
Carry out the AUTOSYNC process.
Is the contour of picture clear?
Is there any disturbance in the
vertical stripe pattern?
End
No
Yes
Yes
No
No
Yes
No
Yes
Yes
No
Go to "Confirmation of
Video Input".
Go to "Checking of Sync Signal".
Go to "Checking of RGB Signal".
IC8013, 8025 or its periphery is
defective.
39
PG-M20S
PG-M20X