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Tv shutting off without warning

My Samsung dlp tv is shutting off without warning. Not all the time and not when I first start it. I have changed lamp,large fan and color wheel with oem parts. Worked fine for a month then started failing again. Any idea's

Update (05/01/2016)

The tv shuts off completely and the light blinks for a few moments then it can be turned back on. And usually fails again. It was suggested that I reset the bulb. I did that and the tv didn't turn off for two days. Then it failed again today. Should I still check the boards how do I find out which board is the sms board

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

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@jdecasp "the light blinks for a few moments" any pattern to that? Have you counted the blinks? Images always help (DMD board;-) looks like this one

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선택된 해법

@jdecasp when you say it turns off you did not tell us if it totally shuts down or if it is a screen issue. It is also important to know if you can turn it on again right way or if you have to wait for it. It does sound like a power board issue (bad caps etc.) but could also be caused by a failing ballast or a bad DMD board. Take a look at the boards and let us know what you find. You should also consider posting images of your boards with your original question. For that use this guide

해당 답변은 도움이 되었습니까?

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Thr tv just shut off. Both the red and green lights blinked 5 times.

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Check your fans the fan under my lamp was not turning replaced it and have not had problems

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