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TV keeps switching on and off but not staying on long enough for picture to appear. Sound comes on for a split second and off again. Have to turn of main power to switch unit off. Samsung 117inch rear projector. It's about 5 years old.

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Had a feeling it was a blown globe. Found that it was when we pulled it out...now I just have ti find where they sell new ones to replace it. I tried looking on the net from shops to manufacturers and I tell you what...they make it so that you have to call in the professionals so you pay triple the price. I will keep trying though.
Koula

Posted on Nov 16, 2008

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Posted on Jan 02, 2017

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I gave this advice to someone with this same problem so here it is again:

It sounds like your shutdown circuit is being activated. This is due to excess current being drawn. This usually happens in the High Voltage section of the TV or one of the deflection stages. Due to the nature of this problem I would suggest that you take it to a local TV repair shop or have a TV repair person come out and take a look at the issue. The HV section is dangerous and should be dealt with by a qualified TV repair technician.

Thank you,
I hope this helps

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