Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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Fan noise is very loud it seems top be coming from side filter area

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This unit has 5 fans in it find whitch one is making noise it may be just a foren object if not replace fan--------wewilly w55bb42@gmail.com

Posted on Oct 28, 2008

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Loud noise coming from lamp unit


It is a high pitched sound that could be described as fan like but not the fan, or a grinding sound from that area?

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I have a Loewe Articos 55 HD, when we turn it on it makes a consistent loud buzzing noise. We spoke to a Loewe tech over the phone and he said that it would cost in excess of $2500 to fix - which seemed a...


replace the color wheel and remove the fan blowing on the engine, its forceing dust into the wheel area, the wheel will last about 14-18 months, removeing the fan will extended life 2-4 years, there will be no heat issues with the fan removed, some models or later production runs will not have this fan

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Getting a loud buzzing noise in the rear of my Mitsubishi wd-52327. The sound is coming from the fan area. Originally i thought the fan was bad but after review the fan seems to be working fine. When...


is there a large amount of heat coming from the back? I had a similar issue w/ my tv, and it ended up being the lamp - but a trick that i was able to use to extend the life a little longer was to power the tv off, grab a can of compressed air (can get it anywhere, usually just a buck or two) and blast it right into the vents in the back, cleaning out the dust that accumulates from normal usage. If it is, in fact, the lamp, it's not a tough fix - email me if you have any other questions! Good luck!

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Loud noise coming from Lamp area


The fans in these generaly do not go bad, the part nubmer for the lamp cooling fan is 265943. But my guess is that the color wheel is starting to go out of you light engine. I am not sure if these are still avalable but the part nubmer for it would be 267888. Worst case you could send your engine in for repair engine nubmer should be 265864 or order a repacement try this site. GOOD LUCK http://www.moduslinkptstvboards.com/Default.aspx

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sometimes dust accumalates on fins of fans and causes rotation to deform and gets fan off balance causing noise .Also heat from lamp causes deformaties on fan and causes fan bearing to make noise.These fans can be replaced fairly easily

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Sony 42" Grand Wega makes noise constantly when running


That is correct, it would be fan noise and fan will be replaced.
Let me know exact model number to help you in finding fan in parts stores.

Feb 25, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

I have owned a Sony Grand Wega for about 3 years now and for the past few months the TV has been making a very loud noise. I thought the noise was the fan but came to find out it was not the fan and was...


Hello,

There is a fan beside the lamp chamber in this TV. There should be 4 fans total, and the one beside the lamp chamber might be making some noise. They are all bearingless fans, so the noise should be relatively low-pitched "whirr" if it is the fan. If the noise is more of a buzzing sound, it could be coming from the lamp driver (ballast) or from the lamp itself. Lamps tend to do strange things toward the end of their life.

If you have never changed the lamp, it is about time. They have a 2.5 -3 year life span with average use.

One thing you can try is to turn the TV on from a cold start, and watch inside the vent areas beside the lamp chamber. If you hear the noise before you see the lamp light up, then it is probably a fan. If it starts as soon as you see the lamp light up, it is the lamp or ballast.

Hope this helps you...

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1 Answer

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The loud noise is the color wheel winding down when you turn the TV off. You need to replace the color wheel.

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1 Answer

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I believe it is the color wheel. The motor might be going bad or it has dirt or dust in it.

I hope this helps
Shuttle83

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This is 98% your color wheel. This coming from the TV repair shop. I have the same issue, and I'm trying to find a color wheel now. noone seems to have onein stock. I'm trying to find someoene to rebuild the one i have.

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