Sharp XG-P25X Service Manual page 40

XG-P25X
TROUBLE SHOOTING TABLE
Are the PC, video and LCP cables as
specified and properly connected?
With the contrast control at maximum,
does the image appear?
Is the image's colour as specified?
Does the on-screen display function?
Does the remote control function?
Power on
Is the right input selected?
Yes
Yes
No
Is the voltage at SC8502
connector as specified?
Yes
Hook up a personal computer.
Does the image appear?
Yes
Is the image as specified?
Yes
Yes
Yes
Yes
End
(Continued)
No
Select the right input with remote
control.
No
Use the right cables or reconnect the
cables.
Yes
Readjust the video system.
No
Power circuit faulty.
No
Go to "Checking the clock circuit and
its peripheral circuits".
No
Check the sync signal circuit and its
peripheral circuits.
No
Check the video circuit and its
peripheral circuits.
No
Go to "Checking the OSD circuit and
its peripheral circuits".
No
Go to "Checking the remote control".
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