Sharp XG-P25X Service Manual page 50

XG-P25X
TROUBLE SHOOTING TABLE FOR PC I/F UNIT
Checking the video input
Feed the composite video signal to
the INPUT4 terminal.
Using the control panel key or the
remote controller, select INPUT4.
Select VIDEO as the signal type
on the user menu.
5
Does the image appear?
Is the image distorted?
Are the colors as specified?
The video input is okay. End.
Is there the video signal at pin
(72) of IC8338?
Is the video signal as specified?
NO
YES
YES
NO
NO
YES
NO
YES
6
Go to "Checking the
video sync signal".
IC8338 defective.
52
(Continued)
Go to "Checking the
video sync signal".
Do the process
adjustment.
5