My not even two year old 65” 65uh7700 TV recently stopped working. When I try to turn it on the screen flashes and then it turns back off. I thought this may be the main board so I replaced that and it seems to have had no impact
How do I fix this?
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@dorgan LG’s do that with a bad power board or a bad backlight array. Measure the voltages on your power board (may have to disconnect t-con board and /or main board). Post some good pictures with your question so we can see your boards and the interconnect cables. 기존 질문에 이미지 추가하기
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I have a volt meter, how exactly do i go about measuring this?
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Hi @dorgan ,
Here’s a link to the start of the 2 page power problems troubleshooting guide from the service manual for a LG 60UH7700 TV, which may be of some help to you.
I realize that it is not the exact same model number but it is from the same series so hopefully it will be the same.
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