Sharp LC-32D65E Service Manual page 49

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?
Is CVBS signal sent to pin(20) of EXT1 (SC502)?
Is CVBS signal sent to pin(20) of EXT2(SC501)?
Is CVBS signal from EXT1(SC502) sent to pin(100) of
IC503(AV_SW.)?
Is CVBS signal from EXT2(SC501) sent to pin(6) of
IC503(AV_SW.)?
Is CVBS signal output from pin(71) of IC503?
Is CVBS signal sent to pin(V4) of IC8101(DIGITAL AV
DECODER & MAIN CPU & VIDEO PROCESSER) from pin(71)
of IC503?
Refer to "The picture doesn't appear in all modes."
Does not the picture of the Y/C video signal input to EXT1 go out?
Does not the picture of the Y/C video signal input to EXT2 go out?
Is Y/C video signal sent to pins(20)/Y and (15)/C of
EXT1(SC502)?
Is Y/C video signal sent to pins(20)/Y and (15)/C of
EXT2(SC501)?
Is Y/C signal from EXT1(SC502) sent to pins(2)/Y, (86)/C of
IC503(AV_SW.)?
Is Y/C signal from EXT2(SC501) sent to pins(8)/Y, (92)/C of
IC503(AV_SW.)?
Is Y/C signal output from pins(71)/Y, (70)/C of IC503?
Is Y/C signal sent to pins(V4)/Y, (P4)/C of IC8101(DIGITAL AV
DECODER & MAIN CPU & VIDEO PROCESSER) from pins(71)/
Y, (70)/C of IC503?
Refer to "The picture doesn't appear in all modes."
[External input EXT1,EXT2] No picture on the display (5)
YES
YES
YES
YES
[External input EXT1,EXT2] No picture on the display (6)
YES
YES
YES
YES
NO Check the setting of an external input device that connects with
EXT1.
NO Check the setting of an external input device that connects with
EXT2.
NO Check the line between SC502 and IC503.
NO Check the line between SC501 and IC503.
NO Check the IC503 and their peripheral circuits.
NO Check the line between IC503 and IC8101.
NO Check the setting of an external input device that connects with
EXT1.
NO Check the setting of an external input device that connects with
EXT2.
NO Check the line between SC502 and IC503.
NO Check the line between SC501 and IC503.
NO Check the IC503 and their peripheral circuits.
NO Check the line between IC503 and IC8101.
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LC-32D65E/RU, LC-37D65E/RU