Question about Samsung HLP4663W 46" Rear Projection HDTV

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We have a 6 year old tv. We are starting to see

We have a 6 year old tv. We are starting to see white dots, more and more everyday. What could it be

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  • 177 Answers

Hello,
If your problem like pict below :

We have a 6 year old tv. We are starting to see - mas_baz_20.jpg
(worst dot's on screen)
Change the DMD.
Good luck.

Posted on Mar 23, 2011

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Samsung 42 inch projection tv. around 3 years old. have white dots on the screen. Payed a lot for this junk tv.


mikechamb606,

A model number would have helped me diagnose your unit but because you say that you have white dots on the screen, and the unit is only 3 years old, I will go with what I believe your problem is. I am assuming that you do not have a CRT projection unit. I believe you have an lcd projection tv which is starting to have TFT panel failures. As they age they lose more and more pixels which show up as white dots. The only cure for this is a new optical engine. Cost could be on the order of $350 US. The replacement is not that difficult and can be done using my tip at http://www.fixya.com/support/r4251975-replace_dlp_light_engine which will walk you through the process as well as link you to the best place to get the parts you need.

Thanks for using FixYa and for the excellent rating. Great ratings keep experts helping everyone solve their problems. Thank you.

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Hi,
White dots are due to bad DMD chip and qualified tv tech can replace required DMD chip in this tv to fix the picture issue.
Please contact nearest Samsung service center or local tv repair shop for repair estimate.
Thanks.

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I have a samsung HLS4266WX/XAA about 3 years old with white dots.


This is a known issue with Samsung DLP sets. Here's a link to the solution:

http://forums.cnet.com/5208-13973_102-0.html?messageID=3162774&tag=emfrnd#3162774

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If the white dot is on every picture and every input and stays there for a sec. after you press the power button to turn off the tv then suspect a stuck mirror in the DMD.

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your dmd chip is defect this a good job you must tack emgine apart calculate atleast 200 dollars

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