Samsung 46" LCD tv. doesnt turn on.

I have a 46" samsung lcd tv that is about two years old and a couple of days ago I tried to turn it on and it made the sound it usually does when it turns on but before the screen came on i heard the tv shut off by itself then it automatically turned itslef back on. Now as long as the tv is plugged in it turns itslef on and on over and over again on its own and i don't know why. Nothing was dropped on the tv and it wasn't dropped itself so i dont know what happened to it so if anyone can help me with my tv I would really appreciate it.

We have had the same problem with our 40" Samsung TV and a repair person from Normans (based in Atlanta) stated that Samsung has had problems with the power supply board which is what he stated is causing the problem. We are awaiting the part.

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