Why does my screen go black

My screen works for about a minute and then goes black. The sound still works.

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Bu iyi bir soru mu?

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@wendybukartek what exact model is your TV and what have you tried?

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When it goes black does it start scrolling through the TV Channels if nothing is connected to it after you turn it off and then on again?

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did you test for backlight issue with flashlight?

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