LC-40/46LE814/824E/RU (1st Edition)
5 – 10
[External input EXT2] No picture on the display (8)
Does not the picture of the CVBS signal input to EXT2 go out?
Is a CVBS signal input to pin (3) of EXT8 (J505)?
NO
Check the setting of an external input device that connects with
EXT2.
YES
Is CVBS signal sent to pin (AE29/CVBS_IN) of IC3302?
NO
Check the line between J505 and IC3302.
YES
Refer to “The picture doesn't appear in all modes.”
[External input EXT3] No picture on the display (9)
Does not the picture of the component video signal input to EXT3 (15pin-D-SUB terminal) go out?
Is it selected “Component” by the Audio setup under Menu-
Setup-Option-Input terminal setting - Input select?
NO
Set the “Component”.
YES
Is a COMPONENT video signal input to pins (1)/PC_R_COM,
(2)/PC_G_COM, (3)/PC_B_COM of EXT3 (SC501)?
NO
Check the setting of an external input device that connects with
EXT3.
YES
Is COMPONENT signal sent to pins (AJ17/PC_R_CM), (AJ16/
PC_G_CM) and (AJ15/PC_B_CM) of IC3302?
NO
Check the line between SC501 and IC3302.
YES
Refer to “The picture doesn't appear in all modes.”
[External input EXT3] No picture on the display (10)
Does not the picture of the DVI (ANALOG) video signal input to EXT3 (15pin-D-SUB terminal) go out?
Is it selected “PC (RGB)” by the Audio setup under Menu-Setup-
Option-Input terminal setting - Input select?
NO
Set the “PC (RGB)”.
YES
Are the video signal and the synchronized signal input from pin
(1, 2, 3)/(PC_R, G, B), (14 and 13)/(V, H.Sync) of EXT4 (SC501)?
NO
Check the connection and setup with the external DVI devices.
YES
Are the video signal and the synchronized signal input from pins
(AK17/PC__R) (AK16/PC__G) (AH15/PC__B) and (AK14/
PC_HSYNC) (AJ14/PC_VSYNC) of IC3302 (Digital AV decode &
Main CPU)?
NO
Check the line between SC501 and IC3302.
YES
Refer to “The picture doesn't appear in all modes.”