Question about Mitsubishi VS-50609 50" Rear Projection Television

Trouble with my Mitsubishi VS 50609

My Mitsubishi VS 50609 will randomly shut off while watching it. It could only be on for and hour or it can be on for several hours, it makes no difference. There is no pattern to it and you can not turn it back on until it's ready to turn back on. It just makes no sense to me. Can anyone help with this problem? Any ideas?

duckI Nov 10, 2007

When turned on it stays on for about 10 seconds. Then it shuts off, it stays off for about a minute. Then it comes on and off for a short while befor it finally stays on.
I have removed the back and found that if I tap on the module that contains the input conections, I can make it come on or off. I do this with the plastic end of a screw driver and the taps are very light.

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Make sure you have no colent leking on the bord these set many I worked on had colent leaks that cused it to shut down. does the set come back on when it's cool? could be a bad soder joint. allso there could be bad caps. deos it come back on if you unpluge the set for 5 sec and plug back in that resets the set.

Posted on May 21, 2007

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Hello nicolastran,

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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Hello elarka,

I believe that you are having HV voltage problems either with the SMPS or the HV Power supply. The shut down circuit is activating. This might be due to a component in the HV or SMPS section. I would suggest having a TV tech look at the set.

I hope this helps
Thank you,
Shuttle83

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green light comes on for a few seconds and cuts off tryed to unplug 2 hrs. pluged back in and pushed a/v input then cut on it did then same thing.unpluded 2 hrs. pushed menu&input at same time for 5 sec. andcut on ,same thing

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