Screen flickered, and is now always dim.

Today my boyfriend was playing video games on his samsung 3D TV, and after 3 hours of playing, he said the scree flickered then went dim. It did not go off or anything, it's just much dimmer than it used to be. We tried changing the brightness, contrast, blacklight, picture settings, as well as turning the eco and energy saving off. Nothing has worked. We also went to the different inputs and they're all the same; very dim. When we turn on the 3D setting, it does go bright for a split second, then is dim again.

It was about 47C with the humidity today, and he was playing for a while, so we're a bit worried that the heat may have done something.

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@sheeb 47C? Holy smokes! What country are you in?

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@sheeb

you did not tell us if you still have sound. If you do, it is possible that you have either a failed power board or that the backlight array has failed. To figure this out, you would have to remove the back of your TV set and check the power board first. Take a picture of all of your boards and post those with your question. That way we can see what you see. Use this guide for that Adding images to an existing question If it is the power board it can either be repaired or repalced. If it is the backlight array you will have to disassemble the actual panel to gt to it. Not to complicated just very tedious and it may be difficult to find the backlight strips. Don’t give up yet, I am sure it can be done.

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Shelby zal eeuwig dankbaar zijn.
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