Read Sharp XG-P20XE (serv.man5) Service Manual online
42
XG-P20XU
XG-P20XE
XG-P20XD
XG-P20XE
XG-P20XD
TROUBLE SHOOTING TABLE
(Continued)
Power on
Yes
No
Is the right input selected?
Select the right input with remote
control.
control.
Yes
No
Are the PC, video and LCP cables as
specified and properly connected?
specified and properly connected?
No
With the contrast control at maximum,
does the image appear?
does the image appear?
Use the right cables or reconnect the
cables.
cables.
Readjust the video system.
Yes
No
Is the voltage at SC8502
connector as specified?
connector as specified?
Power circuit faulty.
Yes
Hook up a personal computer.
No
Does the image appear?
Go to "Checking the clock circuit and
its peripheral circuits".
its peripheral circuits".
Yes
No
Is the image as specified?
Check the sync signal circuit and its
peripheral circuits.
peripheral circuits.
Yes
No
Is the image's colour as specified?
Check the video circuit and its
peripheral circuits.
peripheral circuits.
Yes
No
Does the on-screen display function?
Go to "Checking the OSD circuit and
its peripheral circuits".
its peripheral circuits".
Yes
No
Does the remote control function?
Go to "Checking the remote control".
Yes
End
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