Sharp LC-26SH7E/RU Service Manual page 82

LC-19SH7E/RU, LC-26SH7E/RU, LC-32SH7E/RU, LC-42SH7E/RU
↓
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(CN552) ?
↓YES
MAIN_UNIT:
Is Component Y/Pb/Pr signal sent to pin (AE21)/Y, (AD22)/Pb,
(AF22)/Pr of IC U400?
↓YES
Refer to "The picture doesn't appear in all modes."
<External input AV1(Component)>No picture on the display (12)
NO
Check the setting of an external input device that connects of
CN552.
NO
Check the line between IC U400 and CN552.
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