Sharp LC-19SK25U Service Manual page 50

LC-19SK25U/U-W
LC-19SB25U/U-W
LC-19SB15U
LC-19D45U
TROUBLESHOOTING TABLE (Continued)
Is video signal sent to output terminal pin 13 of tuner
(TU1101)?
Yes
Is video signal out from pin 1 of P502?
Yes
Is video signal fed to pin L2 of IC801(DVP) from P502?
Yes
Are signals from A6, A1, E1, E2, W5, W6, W7, Y6, AA6 of
IC801 normal?
Yes
Check IC9201 and peripheral circuits.
No video output during ANALOG broadcasting reception
No
No
No
50
Check or replace the tuner's peripheral circuits.
Check pin 13 of TU1101 to pin 1 of P502.
No
Check between IC801 and P502.
Check IC801 and peripheral circuits.