Sharp LC-26SH7E/RU Service Manual page 92

LC-19SH7E/RU, LC-26SH7E/RU, LC-32SH7E/RU, LC-42SH7E/RU
↓
Does not the picture of the CVBS signal input to SCART1 go out?
Does not the picture of the CVBS signal input to SCART2 go out?
↓
TERMINAL UNIT:
Is CVBS signal sent to pin (20) of SCART1 (CN500)?
Is CVBS signal sent to pin (20) of SCART2 (CN501)?
↓YES
MAIN_UNIT:
Is CVBS signal sent to pin (AE24) of IC U400?
Is CVBS signal sent to pin (AE26) of IC U400?
↓YES
Refer to "The picture doesn't appear in all modes."
↓
Does not the picture of the R/G/B video signal input to SCART1 go out?
↓
TERMINAL UNIT:
Is RGB signal sent to pin (15)/R, (11)/G, (7)/B, of SCART1
(CN500)?
↓YES
MAIN_UNIT:
Is RGB signal sent to pin (AF24)/R, (AD24)/G, (AD23)/B of IC
U400?
↓YES
Refer to "The picture doesn't appear in all modes."
<External input SCART1, SCART2>No picture on the display (4)
<External input SCART1>No picture on the display (5)
NO
Check the setting of an external input device that connects of
CN500.
NO
Check the setting of an external input device that connects of
CN501.
NO
Check the line between IC U400 and CN500.
NO
Check the line between IC U400 and CN501.
NO
Check the setting of an external input device that connects of
CN500.
NO
Check the line between IC U400 and CN500.
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