Read Sharp XG-NV6XE (serv.man4) Service Manual online
43
XG-NV6XE
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-2
Checking the PLL circuit and its peripheral circuits
Yes
No
Are there signals at pins (6) and (22)
of IC8015?
of IC8015?
IC8025 or its peripheral circuit faulty.
Yes
No
Is there signal at pins (18) and (19)
of IC8015?
of IC8015?
IC8015 or its peripheral circuit faulty.
Check the video circuit and its
peripheral circuits.
peripheral circuits.
No
Is image as specified at resolution
above XGA level?
above XGA level?
Check the SXGA video circuit and
its peripheral circuits.
its peripheral circuits.
Yes
No
Is image as specified at resolution
below XGA level?
below XGA level?
Check the VGA video circuit and its
peripheral circuits.
peripheral circuits.
Yes
No
Hook up a video system. Is the
display as specified?
display as specified?
Check the video system's video
circuit and its peripheral circuits.
circuit and its peripheral circuits.
Yes
A
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