Sharp LC-19LE320 Service Manual page 73

Does not the picture of the component video signal input to Component go out?
TERMINAL_UNIT:
Is Component Y/Pb/Pr signal sent to pin (2)/Y, (4)/Pb, (6)/Pr of
AV1(CN111) ?
MAIN_UNIT:
Is Component Y/Pb/Pr signal sent to pin (AU26)/Y, (AT27)/Pb,
(AP27)/Pr of IC U401?
Refer to "The picture doesn't appear in all modes."
LC-19LE320, LC-22LE320, LC-26LE320, LC-32LE320, LC-37LE320, LC-42LE320
<External input AV1(Component)>No picture on the display (10)
↓
↓
↓YES
↓YES
2008-03-14
NO
Check the setting of an external input device that connects of
CN111.
NO
Check the line between IC U401 and CN111.
73