Lg Tv Has Sound And Backlight But No Picture Lg Television

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LG TV 43uk6500AUA has sound and backlight but no picture. I have replaced the two boards visible when you take the back of the TV off, still the same issue. I have tried the power on off for periods of time and still nothing, not sure what else can be replaced on this TV any suggestions?

Hi @riley123 , Here’s the service manual for the TV. Go to p.28 to view the no video/normal audio troubleshooting flowchart. You said that you have replaced the two boards which I assume means the power board and the mainboard. Looking online at images of the mainboard it appears that the tcon is part of the mainboard and not a separate board as in some other brands of TV. If this is the case and since you have replaced the mainboard (seen as Tcon/mainboard in the flowchart) then the flowchart says to replace the module, which is their term for the LCD panel.

Hey Riley. My LG has this problem but I wanted to see if you fixed yours. I didn’t buy the replacement boards yet in case it’s the LCD panel. Does anyone know how to troubleshoot to see if it’s that? I have the repair manual but it doesn’t have a way to test if it’s the module or boards that are faulty.