TROUBLE SHOOTING TABLE
Checking the clock circuit and its peripheral
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Is pin (3) of
oscillating?
X8002 or its peripheral part faulty.
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Does pin (63) of
function?
, Check the sync signal circuit and its
peripheral circuits.
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-
-
,
-
-
-
-
-
-
-
-
-
-
-
-
-
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(148) and (159) of
Yes
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or its peripheral circuit faulty.
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Is the input having a resolution below
XGA level or in the video mode?
Yes
Are there signals at pins (238) and
(239) of
Yes
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or its peripheral circuit faulty. ,
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Are there signals at pins
or its peripheral circuit faulty.
- - - - - - - - - - - - - - - -
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peripheral circuits,
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3 0