Sharp XG-C40XU Anleitung Seite 43

TROUBLE SHOOTING TABLE FOR PC I/F UNIT-4
Checking the PLL circuit and its peripheral circuits
6
Are there signal at pins (111) and
(112) of IC8606?
Yes
Are there signals at pins (7) and
(10) of IC8601?
Yes
Check the video circuit and its
peripheral circuits.
Is image as specified at resolution
above XGA level?
Yes
Is image as specified at resolution
below XGA level?
Yes
Hook up a video system. Is the
display as specified?
Yes
4
No
IC8025,IC8600 or its peripheral
circuit faulty.
No
IC8601,IC8606 or its peripheral
circuit faulty.
No
Check the S-XGA video circuit and
its peripheral circuits.
No
Check the VGA video circuit and its
peripheral circuits.
No
Check the video system's video
circuit and its peripheral circuits.
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XG-C40XU/XE