No video output during ANALOG broadcasting reception
Yes
No
No
Yes
Check IC503 and peripheral circuits.
Check or replace the tuner's peripheral circuits.
Is video signal sent to output terminal pin 13 of tuner
(TU1101)?
Is video signal out from pin 35 of IC503?
Is video signal fed to pin U2 of IC8101 (DVP) via L.P.F. composed of Q503?
Check between IC801 and IC503.(Q505)
No
Yes
No
Yes
Are signals from B16, A16, P22, P23, R22, R23, T22,
T23, U22, U23, V22, V23 of IC801 normal?
Check LCD_CONTROL PWB.
Check IC801 and peripheral circuits.
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