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Well, the tv worked perfectly for 2 days. Last night, it shut off and then started going off and on again. The new ballast board is fried and we are now being told by a Samsung tech that it's got to be the power supply. Thankfully, the ballast board is in warranty and we can swap it out for a new on...

For everyone who is having the tv turn off and on by itself, try this. Turn the TV around and look for the ballast board. If you don't know what it looks like, this site shows one. Take a flashlight and check the top of the capacitor. If there is a dark spot and it's bulging out, replace the ballast...

Hi Did you ever get an answer to your post? We, too, are having the same issue. I called Samsung and was informed first that is was the lamp. We bought a new lamp and installed it and it still did the same thing. Then we cleaned it. Still nothing. Then we held down the blue reset switch, still nothi...