48
LC-60LE635
LC-60LE638
Troubleshooting Table (continued)
No picture on the display (3)
Does not the picture come out when DTV is received?
Refer to “No sound (during the reception of TV (DIGITAL) broadcasting)”
No picture on the display (4)
Does not the picture come out when DTV (Satellite) is received?
Refer to “No sound (during the reception of TV (DIGITAL-Satellite) broadcasting)”
[External input EXT1] No picture on the display (5)
Does not the picture of the CVBS signal input to EXT1 go out?
Does CVBS signal input to pin [20] of EXT1 (SC505)? NO Check the setting of an external input device that connects with
EXT1.
YES
Does CVBS signal input to pin [AK22/CPU_CVBS2P] of IC3303
(Digital AV decode & Main CPU)?
NO Check the line between SC505 and IC3303.
YES
Refer to “No picture on the display (1)”
[External input EXT1] No picture on the display (6)
Does not the picture of the Y/C video signal input to EXT1 go out?
Does Y/C video signal input to pins [20/Y, 15/C] of EXT1
(SC505)?
NO Check the setting of an external input device that connects with
EXT1.
YES
Does Y/C signal input to pins [AK22/CPU_CVBS2P, AK19/
SC_PR0P] of IC3303 (Digital AV decode & Main CPU)?
NO Check the line between SC505 and IC3303.
YES
Refer to “No picture on the display (1)”
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