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Black screen but still have Audio
My 42LE5400 LED LG tv turns on, I see the LG logo and the picture comes and looks fine but after about 5-10 seconds the screen goes black and the audio stays on. If I shine a flashlight on the screen I can see the picture, so the back light must be shutting down. I can’t see it being the led’s as it comes on and works fine at the beginning(maybe i’m wrong). What could it be? Thanks
ANSWERS:
Rob LG has trouble with backlight arrays. It is absolutely possible that this happens. However, you do need to check your power board as well. Check the voltages going to the backlight LED’s. See what the voltage is when the backlight is on and when the backlight turns off. Let us know what you find.
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