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Tv turns on & off.

Hi I hope someone on here can help me as this problem is driving me nuts.
I have a trio HDTV approx 8 months old. When the tv is on free to air channels it turns itself on & off, some days it doesnt do it at all and others it does it approx every 20 seconds, it only stays off for about 10 seconds before coming back on. I dont have this problem if the tv is on pay television, or when watching a dvd always works fine. Just on free to air channels. I have had a tv repairman out here who said it wasnt the aerial, it was the tv, it has been back to trio twice, they said they replaced everything inside, and tested it for 2 days and it worked fine. As soon as i got it home it is doing it again!.
If anyone can help it would be appreciated.

Cheers,
Mystee

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If you have the set connected to an outside antenna, or directly to a cable service, this may be a grounding issue between the TV and the antenna ground.

This answer is a speculation based on some past experience.

If there is any buildup or intermittancy of a ground leakage from the AC supply back up through the tuner and on to the TV, and then to the antenna or cable service, it may trip some protection circuits that cause a shut down condition.

Jerry G.

Posted on Apr 12, 2008

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