Question about Mitsubishi WD-52525 52" Rear Projection HDTV

1 Answer

Rear projection set keeps turning off after it warms up

WS-5531 rear projection works fine for about an hour then turns off on its own. I try to turn it back on but it clicks off before the picture comes on. after leaving it off for a half hour it will work for a while again.

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  • Larry Martin May 11, 2010

    Not sure of the model. Did some digits get lost? In general, this sounds like an overheating problem. Is the unit in a "cabinet" with restricted air flow? Are all fans working (under lamp and in back) and are all filters cleaned? In a few years, these tv's get just plain dirty...real dirty and need to be cleaned, including REMOVING THE FRONT SCREEN, and cleaning the mirrors below the screen and on the (inside of the) back of the unit. Clean the front two (yes two) screens with a damp (not wet) cloth.

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Sounds like thermal overheating. Is the TV in a "cabinet". If so...overheating is likely, Also...if the set is more than a few years old, you should clean all fans and filters (front, side, back) as approprite. Check the lamp and cooling fan...is it dirty? If so...cleaning is needed as inadequate air flow is most likely the culprit.

Posted on Aug 11, 2009

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Check your set for coolant leakage. It is very prevalent on Mits HDreadys.

If your 4 layer Signal board - beneath the blue gun - has coolant on it, you'll have problems finding a replacement. If it's the boards under the other 2 guns, they can always be repaired as they are single layer.

A drip shed should be installed to keep the coolant off your boards.


Mr Bob

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