Sharp LC-32LE700E Service Manual page 57

Is CVBS signal sent to pin(20) of EXT1 (SC503)?
Is CVBS signal sent to pin(20) of EXT2 (SC502)?
Is CVBS signal from EXT1(SC503) sent to pin(AG29/
SC1_CVBS_Y) of IC3302
(Digital AV decode & Main CPU)
Is CVBS signal from EXT2(SC502) sent to pin(AH30/
SC2_CVBS_Y) of IC3302
(Digital AV decode & Main CPU)?
Refer to "The picture doesn't appear in all modes."
Is Y/C video signal sent to pins(20)/Y and (15)/C of
EXT1(SC503)?
Is Y/C video signal sent to pins(20)/Y and (15)/C of
EXT2(SC502)?
Is Y/C signal from EXT1(SC503) sent to pins (AG29/
SC1_CVBS_Y) and (AG28/SC1_C1) of IC3302
(Digital AV decode & Main CPU)
Is Y/C signal from EXT1(SC503) sent to pins (AH30/
SC2_CVBS_Y) and (AH29/SC2_C2) of IC3302
(Digital AV decode & Main CPU)
Refer to "The picture doesn't appear in all modes."
Is RGB1 signal sent to pins (15)/R1, (11)/G1 and (7)/B1 of
EXT1(SC503)?
Is RGB1 signal from EXT1(SC503) sent to pins (AH22/RED1),
(AJ22/GREEN_1) and (AJ21/BLUE_1) of IC3302
(Digital AV decode & Main CPU)
Refer to "The picture doesn't appear in all modes."
LC-32/40/46LE700E/RU/S,LU700E/S,LX700E/RU,LC-52LE700E/RU/S
[External input EXT1,EXT2] No picture on the display (4)
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?
YES
YES
[External input EXT1,EXT2] No picture on the display (5)
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?
YES
YES
[External input EXT1] No picture on the display (6)
Does not the picture of the R/G/B signal input to EXT1 go out?
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 SC503 and IC3302.
NO Check the line between SC502 and IC3302.
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 SC503 and IC3302.
NO Check the line between SC502 and IC3302.
NO Check the setting of an external input device that connects with
EXT1.
NO Check the line between SC503 and IC3302.
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