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50 in 4 yr old Samsung turns itself off. red display light says Cooling. tv then works for 30 mins and shuts off again. Is it just to dustry and dirty?

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  • jvoisard Mar 02, 2009

    I received advice was to clean it. Is that a vacuum cleaner kind of thing? how do I safely clean it? no water? damp cloth? what componets should not be touched period?



    Jim V

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Hi there.
Yes the TV is overheating and turning itself off so no further damage can be done, this can of course be a build up of dust but it also could be a failing component, your not going to know this however until you have cleaned the insides of dust. I must warn you that if you decide to do this yourself you must be made aware that components inside the TV carry fatal amounts of residual charge and can result in death so please make sure that you have dispelled all of the remaining power from the TV before opening it and when you do make sure you are grounded.

Good luck and thanks for using Fixya!!!

Posted on Mar 02, 2009

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You could try cleaning it out by vacuuming out the dust. but if that doesn't work it is probably the bulbs which it is cheaper to replace the tv than the bulbs as there are usually three bulbs and the cost anywhere from 350 to 500 dollars a piece.
the bulbs are overheating and this causes them to shut off. until they cool back down.

hope this helps.
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Posted on Mar 02, 2009

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Yeah, cleaning and blowing air would be fine to resolve this problem.

Posted on Mar 02, 2009

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Try cleaning off the dust from the circuit boards 1st, if it continues to act up u will have to replace the main hi voltage board.

Posted on Mar 02, 2009

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You could clean the telelvision incase its a overheating issue, but be carefull there are dangerious voltages inside even when unplugged.

possibly powersupply issue, overheating or protection mechanism.

Posted on Mar 02, 2009

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