Troubleshooting Table - Sharp XV-C1E Service Manual

No
Check the power unit.
- - - - - - - -
No
Check lC401, DL401 and their
peripheral circuits.
- - - - - - - -
No picture
and EB connectors?
Yes
-
Is there signal at pins (21) and
(29) of IC801?
Yes
- - l
Is there signal at pins (l), (2) and (3)
of P803?
Yes
Go to " Checking the IC1501
interface circuit" .
Is there chroma signal input at pin
(20) of IC801?
Yes
Check IC801 and its peripheral
, circuits (X801 and C810 in particular). ,
19
Check the lamp.
- - - - - - - - -
Check the ballast unit circuit.
Check IC801, Q801, Q802, Q803
and their peripheral circuits.
No
Check DL401, lC401,0401 and therr