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TROUBLE SHOOTING TABLE
No
Check the power unit.
No
Check IC401, DL401 and their
peripheral circuits.
Checking the video system
No picture
Is the lamp on?
Yes
Is voltage applied at the EA
and EB connectors?
Yes
Is there signal at pins (21) and
(29) of IC801?
Yes
Is there signal at pins (1), (2) and (3)
of P803?
Yes
Go to "Checking the IC1501
interface circuit".
No color or poor tint with
NTSC signal
Is there chroma signal input at pin
(20) of IC801?
Yes
Check IC801, IC802, IC804 and its
peripheral circuits (X801 and C810 in
particular).
25
No
Check the lamp.
Check the ballast unit circuit.
No
Check IC801, IC804, Q801, Q802,
Q803 and their peripheral circuits.
No
Check DL401, IC401, Q401 and their
peripheral circuits.
XV-C100U
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