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The LG 60LM6450 is a 60-inch LED television released in 2012. It supports 3D video with glasses at a resolution of 1920x1080 pixels.

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Why does my tv turn black after 10 minute

So basically my television turns black after around 10 minutes of usage you can still hear noise and everything I’ve seen people saying it’s a backlighting problem and I want to know if there is anything that I could do at home to fix it I can see things in the background when using it but it’s barely visible if at all.

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1 Answer

Hi @lakika14 ,

You may be able to see the images on the screen better if you shine a torch at an angle close to the screen. Trying this in a darkened room will also help as they will be very faint even when using a torch.

If you have a LG 60LM6450 TV here is the service manual that may help you to find the problem

Here’s the No video / normal audio troubleshooting flowchart which may be a good place to start with, when the problem occurs

Here is the section that shows the power board voltages.

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