LG 47LN5400 47" LED TV 1920x1080, 120 Hz. HDTV Logo

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Don Slade
Don Slade Posted on Dec 21, 2016
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LG TV 47LN5400 no picture only have audio

This TV is three years old and picture went out. Only had black screen but audio is good as it ever was. Trying to determine if this is something that I can troubleshoot and repair at home. I do have electronics repair background. Thanks for any assistance you can provide to steer me to the failing component.

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Brett Duxbury

Brett Duxbury

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  • LG Master 4,352 Answers
  • Posted on Dec 21, 2016
Brett Duxbury
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You tube will enlighten you Don !

https://www.youtube.com/watch?v=Bf5T2wwtydY
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https://www.youtube.com/watch?v=YgaL6X6eSaU

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47LN5400 47" LED TV 1920x1080, 120 Hz. HDTV

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My TV is a LG 47LN5700-UH I had a lightning strike near the house. Afterward TV would start but not boot completely. Now it won't start at all. Cable box also got fried at the same time.

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