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This TV did have a burned out (blackened, actually) LED on one of the

This TV did have a burned out (blackened, actually) LED on one of the backlight strips. I replaced that whole strip, and all the backlights are now working/steady, with no blinking… unfortunately, there is no longer any picture on the screen. Before, when the backlights would flash on, I could see the LG menu and screen, but now there’s nothing, just a dark-gray screen.

So, it looks like something went wrong when I disassembled the screen to fix the LED strip, or when I put it back together. But nothing looks broken, and I was very, very careful. I’ve checked all the ribbon cable connections many times.

So, to summarize: all the backlights are good now (and audio still works), but there is no video whatsoever. HELP!

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ctgriffi  first thing that comes to my mind is to recheck all the cables and connections. IF your backlight works etc. then check the main board and the T-con board (let us know the exact model so we can check deeper). check to make sure that you have power to the T-con board.

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