LC-40/46/52LE820E, LC-40/46LU820E
7 – 8
[External input EXT1] No picture on the display (4)
Does not the picture of the CVBS signal input to EXT1 go out?
Is CVBS signal sent to pin (14) of EXT1 (SC505)?
NO
Check the setting of an external input device that connects with
EXT1.
YES
Is CVBS signal from EXT1 (SC505) sent to pin (AG29/
SC1_CVBS_Y) of IC3302 (Digital AV decode & Main CPU)?
NO
Check the line between SC505 and IC3302.
YES
Refer to “The picture doesn't appear in all modes.”
[External input EXT1] No picture on the display (5)
Does not the picture of the Y/C video signal input to EXT1 go out?
Is Y/C video signal sent to pins (14)/Y and (4)/C of EXT1
(SC505)?
NO
Check the setting of an external input device that connects with
EXT1.
YES
Is Y/C signal from EXT1 (SC505) sent to pins (AG29/
SC1_CVBS_Y) and (AG28/SC1_C1) of IC3302 (Digital AV
decode & Main CPU)?
NO
Check the line between SC505 and IC3302.
YES
Refer to “The picture doesn’t appear in all modes.”
[External input EXT1] No picture on the display (6)
Does not the picture of the R/G/B signal input to EXT1 go out?
Is RGB1 signal sent to pins (4)/RGB_IN_RED/C, (6)/
RGB_IN_GREEN and (8)/RGB_IN_BLUE of EXT1 (SC505)?
NO
Check the setting of an external input device that connects with
EXT1.
YES
Is RGB1 signal from EXT1 (SC505) sent to pins (AH22/RED1),
(AJ22/GREEN_1) and (AJ21/BLUE_1) of IC3302 (Digital AV
decode & Main CPU)?
NO
Check the line between SC505 and IC3302.
YES
Refer to “The picture doesn’t appear in all modes.”
Summary of Contents for LC-40LE820E
Page 4: ...LC 40 46 52LE820E LC 40 46LU820E iii End of life disposal End of life disposal ...
Page 34: ...LC 40 46 52LE820E LC 40 46LU820E 4 22 M E M O ...
Page 36: ...LC 40 46 52LE820E LC 40 46LU820E 5 2 2 LC 46LE820E LU820E TOUCH SENSOR Unit ...
Page 37: ...LC 40 46 52LE820E LC 40 46LU820E 5 3 3 LC 52LE820E TOUCH SENSOR Unit ...
Page 38: ...LC 40 46 52LE820E LC 40 46LU820E 5 4 M E M O ...
Page 118: ...LC 40 46 52LE820E LC 40 46LU820E 2 17 M E M O ...
Page 135: ...LC 40 46 52LE820E LC 40 46LU820E ...
Page 148: ...LC 40 46 52LE820E LC 40 46LU820E 2 7 M E M O ...
Page 153: ...LC 40 46 52LE820E LC 40 46LU820E ...