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LG 47LE8500 troubleshooting

My 5-6 year old LG LED tv is acting weird. When I turn it on, there is no picture and it makes a high pitched quiet buzz I'm pretty sure is from the speaker. At first, it took 2 tries of turning it off and on again before it worked. Now it's 4-5 times, so it's getting worse. I just replaced the power supply board today and it did not fix the problem. Any ideas?

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  • LG Master
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Appears you have a main board issue since video and audio are affected.

Posted on Jan 03, 2017

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