Question about Toshiba CF36G40 36" TV

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The tv suddenly shuts off

The tv will has suddenly shut off by itself and the red light next to the power switch just flashes and when i push the power button nothing happens. when i unplug the power cord and plug it back in, i can turn it back on, then it will stay on for a few seconds and then it shuts back off again. when it does come back on it just has a red screen with lines threw it and it gets real bright before it shuts off

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