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Tv shuts off after about 20-30 min. stayed on all night with a fan blowing into the back with the rear panel off.

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Is there a message on the screen before the set shuts off, I'm guessing there is or you wouldn't have a fan blowing into the back of it. Is this a Mitsubishi? If it is call Mitsubishi and they will find a tech to come replace the defective thermal sensor free of charge.

Posted on Sep 11, 2009

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2007 Panasonic 50in Plasma shuts off after being on 30 min sleep timer off, is the problem the cooling fans out/ over heating


Yes, cooling fan could be a problem. Just see whether it goes off during before shut off. If yes, the TV might need service. To know whether the fan goes off first or the TV, stick one side of any thin vibrating membrane such as a silver paper (like the one you see in cigarette packets) on the fan outlet, without blocking it, so that you can see whether it stops before the TV shuts down. Alternatively you can hand an inflated balloon which keeps flying off from the area of the fan and shall stop when the fan stops. I suggest this, in order to save your time looking at the rear all the time until the TV stops. Even then, one is likely to overlook whether the fan stops or TV stops first.

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My Toshiba powers off every few mins and will not turn back on until i unplug the tv and plug it back in. Will only stay on for another few mins. The long its unplugged the longer it will stay on up to ten...


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Seems like it is overheating. Try cooling it down by using a fan to blow air into it (temporary fix). Make sure the TV is well ventilated and heat can escape (permanent solution).

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1 Answer

TV shut off after 10 min.


it souds like the cooling fans arent working correctly. if the tv is staying on long enough to warm up and then shutting down i would look at the cooling fans

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1 Answer

Projection TV turns off for a few seconds


Good Day, boattech1;
To my understanding the Model 53UDX10B is a rear projection, that uses no fans. I think maybe your LAMP may be getting weak.
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Sony Grand WEGA KDF-60XS955 60 in. Rear Projection popped and turned off


the reason your lamp blew so quickly is the the lamp fan has become cloged with dust. this is a known problem by sony and I have done 15 or so of the up grades needed. first look at the lamp door is it discolored and warped. if so have a tech order the up grade kit which includes a new door, siraco fan, thermal fuse, and lamp. the return fan may also be needed. also some service menu changes need to be made with the fan voltages of fan 1 and fan2.

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Over heating


fan filter is probably plugged with dust, fan blades are also probably covered, unit will have to be taken apart and cleaned, lamp is overheating, probably a good idea to replace that lamp or at least order a new one and keep it for when it does finally die out, good luck with it, hope this helps

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