Read Sharp XG-C40XE (serv.man5) Service Manual online
43
XG-C40XU/XE
Checking the PLL circuit and its peripheral circuits
Yes
No
Yes
No
Yes
Yes
No
No
No
Yes
4
6
Are there signal at pins (111) and
(112) of IC8606?
(112) of IC8606?
Are there signals at pins (7) and
(10) of IC8601?
(10) of IC8601?
Check the video circuit and its
peripheral circuits.
peripheral circuits.
Is image as specified at resolution
above XGA level?
above XGA level?
Is image as specified at resolution
below XGA level?
below XGA level?
Hook up a video system. Is the
display as specified?
display as specified?
IC8025,IC8600 or its peripheral
circuit faulty.
circuit faulty.
IC8601,IC8606 or its peripheral
circuit faulty.
circuit faulty.
Check the S-XGA video circuit and
its peripheral circuits.
its peripheral circuits.
Check the VGA video circuit and its
peripheral circuits.
peripheral circuits.
Check the video system's video
circuit and its peripheral circuits.
circuit and its peripheral circuits.
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-4
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