Question about Samsung HLP4663W 46" Rear Projection HDTV

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Spots on the screen

There are gray spots appeaing on my screen that are about 1" to 3" across. It looks like the screen needs to be cleaned or a mirror needs to be cleaned. I am also getting the "fan" noise which will go away if I turn the tv off and on 2 or 3 times.

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  • 87 Answers

Really dusty house, hey,,,, Take apart screen assy and vacume then dust with microfiber clothe. Use can air and brush to clean fans. Dust is enemy #1 to all DLP tv's

Posted on Jan 25, 2008

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Posted on Jan 02, 2017

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The gray spots are caused by dust on your lens, very easy to clean.

Power down the TV.

If you open the right side access panel (right side as you are looking at the front of the TV) you can see it in the middle, it's not very big. Using a scratch/lint free cloth, gently wipe off the lens or use a vacuum to **** up the dust being careful not to actually touch the lens.

Replace the access panel and enjoy your spot free screen.

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those are going to be dust spots on the LCD panels internal to the optical engine. i suggest that you take the screen off and take off the panel i nthe middle of the tv with 2 screws in it and there will be an area that has 3 metal fins covering thin orange ribbon cables. the 3 square objects at the end of those ribbon cables will be the LCD panels spray wiht air compressor unitl clean and that should greatly help your problem.

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Looks like dust spots behind screen


I had the same problem and had a tech check it out.
It turned out to be dust on lens and mirror.
cleaned them and good as new.
Ihope this works for you.

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