Sharp LC-32X20E Service Manual page 61

Does not the picture of the CVBS signal input to EXT1 go out?
Does not the picture of the CVBS signal input to EXT2 go out?
TERMINAL UNIT:
<EXT1>
Is CVBS signal sent to pin (20) of SCART1 (SC502)?
<EXT2>
Is CVBS signal sent to pin (20) of SCART2 (SC503)?
<EXT1>
Is CVBS signal sent to pin (65) of IC506?
<EXT2>
Is CVBS signal sent to pin (71) of IC506?
Is Y/C signal output to pin (68) of connector SC501 from pin (52)
of IC506?
MAIN UNIT:
Is CVBS signal (MAIN_Y/V) input to pin (68) of connector
SC1101?
Is CVBS signal (MAIN_Y/V) input to pins (Y4) of IC3301
(VIDEO_PROCESSOR)?
Refer to "The picture doesn't appear in all modes."
<External input EXT1,EXT2> No picture on the display (4)
YES
YES
YES
YES
YES
LC-32X20E/S/RU, LC-37X20E/S/RU
NO Check the setting of an external input device that connects of
SC502.
NO Check the setting of an external input device that connects of
SC503.
NO Check the line between SC502 and IC506.
NO Check the line between SC503 and IC506.
NO Check the line between IC506 and SC501.
NO Check the connector SC501/SC1101.
NO Check the line between SC1101 and IC3301.
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