Question about Dell M210X DLP Projector

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Black and white pixels in picture

My picture has multiple black and white dots that are increasing in number. The projector also shuts down very often and the fan kicks in. I suspect overheating. It is well ventilated and away from heat sources.

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The DLP chip is failing. The only way to fix the "dots" is to replace the DMD (digital mirror device) chip. Overheating causes this starfield effect to occur. See youtube video for explaination.

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Posted on Mar 17, 2014

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Posted on Jan 02, 2017

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2 Answers

Is there any possible way to repair a DMD chip with tiny white dots?


Anything is usually fixable. What you have to determine with Dell's assistance is if it is cost effective to do so.

Nov 26, 2015 | Dell 1209S DLP Projector

1 Answer

Black and white pixels increasing in number in my picture


The DMD chip is failing on your projection device. The only way to fix it is to replace the chip. The dots are usually caused by excessive heat build up.
http://www.youtube.com/watch?v=BYJTF3yZYVY

Home IPS LaserExpress

Dec 27, 2013 | Dell M210X DLP Projector

1 Answer

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

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I am getting small white dots on the screen and they are increasing in number


sounds like pixel failure. The DMD chip needs replacing. Get a quote from the infocus agent to make the repair before you decide if it's worth it.

Aug 19, 2011 | InFocus In2102 Projector

3 Answers

How do you clean the dust out of the projector, there are particles that look like small white stars on the black areas and black stars on the white areas. Is this dust?


If you focus the image on a screen up close to the projector and notice small rectangular black and white spots, then you have pixel failures.

Jul 11, 2011 | Optoma TX542 Projector

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Sir, its white small dots on complete screen, like sky with stars,


Place a white piece of paper about 1000mm in front of the screen and focus the image sharply.
Choose menu, image, advanced then select color manager.
go through the color options and check if some pixels are permanently on or off (ie small dots or black) instead of a uniform colour on the screen.

The DLP chip is most likely the faulty component

Mar 01, 2011 | Vivitek D825MX Projector

1 Answer

I HAVE RED DOTS ALL OVER ANY BLACK COLOR OF THE PICTURE


Could be whats known as dead pixels, this is tested be showing up a black or white screen. Microsoft paint or word will do. If an area always has dots then dead pixel. However if it doesn't constantly remain a dot then, some-thing else. Dead pixels come about due to age.
A technician will be able to diagnose your problem by performing white screen test.

damnor01

Nov 17, 2010 | Acer AL1715 (Black, Silver) 17" LCD...

1 Answer

Optoma EP716 Projector


Hi,

Make sure that the resolution shown by the projector matches with that of the computer resolution. Many projectors does it automatically.
But if there exists a problem in resolution matching, there is a chance of getting partial picture. So better check that the resolution shown by the projector matches with that of the computer.

Also, the pixel may be degraded due to,
  • Their susceptibility to heat; the organic compounds used in LCD filters - in particular the blue - can be broken down by excess heat, resulting in a degradation of image quality.

  • "Dead Pixels"; pixels can become permanently on or permanently off, and while this is barely noticeable with one dead pixel, the presence of multiple dead pixels can be a irritation.
The only way to fix the problem is to replace the 3 LCD panels which, if you could get the part would cost you more than a new one.
LCDs are really difficult to make so lots of them do actually get passed with dead pixels on them.

But i suggest you to get some advice from the service center too.....
Hope my info solves your problem.
Thanx for using fixya.

Oct 01, 2008 | Optoma H30 Multimedia Projector

1 Answer

Picture off and shadow of back images.


Hi Grim159

I've had this once on a Epson Projector and the only way I could this right was by replacing the Mainboard.

Hope this is of help.

Apr 22, 2008 | Philips ProScreen 4600 Impact Multimedia...

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