-   I have a similar problem. My tv was on one day and this problem occurred im not sure why. But the screen went blank and there was no volume other than a thumping noise over and over again. When I tried to turn tv on afterwards there is no picture and no sound just a thumping noise, and then It will click and shut off after a few minutes by itself.
-   JRjvc56
Check the fuse in the back, inside of the TV, by taking off the back cover by loosening 3 or 4 screws. The fuse may have burned out and you just have to replace it. It could be something else, though.
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