Question about Samsung HCN4226W 42" Rear Projection HDTV-Ready Television

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Theres white dots that keep apperng on the screen whats wrong that would make them appear like that

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You didnt say if your TV is DLP its the light engine Go to Encompass Parts Distr, online look up your model number they should have what you are looking for 1-800-638-3328 Look on back of TV What is your model or chassis number I have try pulling up your model # given with no results, Im thinking problem maybe in Cable connection CK your Cable wires.

Posted on Nov 19, 2009

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Cracked screen & white dots appearing since the crack appeared


I have a Mitsubishi TV and had the same problem. There is a mirror that moves to control each pixel. When some of them fail to move you get the white dots. Google your problem and a company will come up(sorry forgot the name).,you can buy the new part from them and they have exact utube videos to help you do the repair. Took me about an hour. Part was around $150. Very rewarding feeling when you turn the tv back on with no white dots.Still dot free after two years

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I have nec np200 and there's a lot of dots appeared on the screen. what seems to be a problem


I have 2 NP-200 projectors installed in a school which show white dots on a black background and black dots on a white background. This is caused by the DMD chip losing pixels. Only solution is to replace the chip, I'm researching now if that i an economical solution.

Oct 25, 2012 | NEC NP200 Projector

1 Answer

White dots on the screen


Need more info. But initial suspicion is there is a problem with your projector.

Are they stationary and always in the same position? You may have bad pixels.

Are the dots there with no signal going to the projector?

What is connected the the projector? Detail the video path - try all the sources. The dots still there and in the same position on all sources?

It is probably your projector.

If some of your sources are fine - the problem might be from a connected source.

Hope this helps.

Aug 26, 2012 | Acer X1160 DLP Data Projector, 2,000 ANSI,...

2 Answers

Light bulb


White dot for DLP Projector TV is not because of the light buy. It is caused by aging DLP chip ( DMD Chip.) Your TV DLP Part should be the following image:
2_23_2013_5_55_48_pm.jpg
Check the post how to place it diy

May 04, 2012 | Televison & Video

1 Answer

Many white dots appears on the screen of my benq w600 projector


Jacob, what element on the mainboard is the source of these dots? I have the same problem - it is only one dot now, but I think there will be more with time.
Also, the second question is: how do I unscrew the mainboard from benq W600+? I remoced the metal cover, unplugged all the cables, but there's something still not letting the board go.

Jan 29, 2012 | Office Equipment & Supplies

1 Answer

White dot on my samsung DLP 42" screen


Hi,
white dot is from a failure in the dlp chip. it controls 1000s of tiny mirrors which help make up your pix, when the mirrors get stuck a white dot appears. over time more will pop up. Probably in the $300-$500 range to have someone repair.

Jul 04, 2010 | Samsung Televison & Video

1 Answer

White dots appear on the screen


Light Engine Call these 2 companys for Prices
Encompass Parts 1-800-638-3328
UED 1-800-648-6657 Also when you Know What the Part number is Go To E-Bay Look under electronics
then type in your Part number sometimes you can find Part Alot Cheaper then what other companys want!

Feb 13, 2010 | Televison & Video

1 Answer

White dots all of screen


sound like you have a bad dlp chip. this happens to a lot of samsung dlp tvs. some of the mirrors are stuck. they can appear as black dots or white dots and it usually gets worse over time.

Feb 06, 2010 | Televison & Video

1 Answer

I have white dots appearing on my samsung dlp.


If the white spots are appearing in different spots or "Moving" it is the DMD board beginning to fail. Samsung DLPs seem to have a lot of DMD board failures. I would expect it to completely fail in the next couple months.

If there are only a couple small white spots that never go away it could be a mirror that is seized on the chip, but it's far more likely that the DMD board is going bad.

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2 Answers

White dotted lines on screen of NES


Clean your games too once you replace the 72 pin connector or you're just dirtying it up again. Not to mention the games has enough crud to keep them from working correctly.

Mar 28, 2008 | Nintendo NES Console

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