Download Sharp PGC30XU Service manual

PG-C30XU
TROUBLE SHOOTING TABLE (Continued)
Power on
Is the right input selected?
No
Yes
Select the right input with remote
control.
Are the PC, video and LCP cables as No
specified and properly connected?
Yes
Use the right cables or reconnect the
cables.
With the contrast control at maximum, Yes
does the image appear?
No
Readjust the video system.
Is the voltage at CON3 (P8502)
connector as specified?
No
Yes
Power circuit faulty.
Hook up a personal computer.
Does the image appear?
No
Yes
Is the image as specified?
Go to "Checking the clock circuit and
its peripheral circuits".
No
Yes
Check the sync signal circuit and its
peripheral circuits.
A
Is the image’s color as specified?
No
Yes
Does the on-screen display function?
Check the video circuit and its
peripheral circuits.
No
Yes
Does the remote control function?
Go to "Checking the OSD circuit and
its peripheral circuits".
No
Yes
Go to "Checking the remote control".
End
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