“We have a LG model 47LN5400. When we turn it on, the tv will have a quick flash & then go black. Do you think it’s power board or a LED problem. And is it worth getting it fixed?”
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After switching on the tv, use a spotlight at the screen and see whether the screen is emitting images.. If there is images when you beam light to the screen, it means that the LED has malfunction.. Changing the LED should fix the problem..
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