Question about Mitsubishi XD221U 3D Projector

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Mitsubishi XD221U pixel issues

Black and white spots appear all over the screen.

Posted by Anonymous on

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Posted on Jan 02, 2017

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heathgr
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SOURCE: my mitsubishi xd510u problem is

sounds like the DMD chip has faulty pixels

Posted on Apr 07, 2011

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1 Answer

How do I remove a white spot on tv


Spot remover. Black marker? Maybe not. (;^D).
Really, if it's just a little white dot on the screen, it may just be a bad pixel. Those things happen. The manufacturers warranty against more than 'so many' bad pixels, but if there's just one, I doubt they would replace it. If it's a big block of white, you might be able to get it replaced.

Oct 19, 2014 | Mitsubishi WD-65737 Home Theater

2 Answers

How do I fix dead ( not stuck) Pixels on my acer laptop? It appears like a smll hole in screen


You can't fix dead pixels, the transistor is faulty. This is indicated by black spots.

Stuck pixels remain a solid color other than white. This cane sometimes be fixed using software that flashes solid colors on the screen. Hot pixels remain solid white. this can be fixed in the same manner.

http://udpix.free.fr/
http://www.jscreenfix.com/

These are free software to fix stuck pixels.

Aug 12, 2014 | Acer Aspire Computers & Internet

1 Answer

To remove a black spot on a old sharp model TV?


1,white spots appeared on screen,means the DMD chip is broken,you need a new DMD chip.
we supply the new DMD chip,it's life is 6 years,
and the price is USD190
Have a nice day!
We supply original projector parts: lamp, bulb, Lcd panel, Lens, DMD chip, color wheel,
motherboard, powersupply ... with high quality and competitive price.
Jerry
Lampdeng Limited

Apr 30, 2014 | Sharp 4500HRS ECO/3K HRS STANDARD 180W...

1 Answer

White dots on screen


http://www.metacafe.com/watch/yt-XeIOwN1CIp8/samsung_mitsubishi_toshiba_dlp_hd_tv_repair_tips_black_white_dots_on_tv_problems_bad_dlp_chip/
I believe it is the digital projection chip that is beginning to fail. Causing white and black spots to appear. To repair this may cost more than a new tv. If you want to attempt it yourself check out the above link. Hope this helps

Jan 12, 2014 | Samsung Hl61a750 61" LED Powered DLP HDTV

2 Answers

Vivtek d510 projector has black and white spots covering 1/3 of projected image


The DLP Chip is failing .The DLP or Digital Light Projection Chip contains up to 8 million tiny microscopic mirrors that tilt to project a digital image onto the screen. These mirrors are failing causing light and dark spots to appear.Unfortunately fixing this projector is probably going to cost more than buying a new one. Hope this helps.

Jan 02, 2014 | Vivitek Office Equipment & Supplies

1 Answer

I got some white patches appeared on my led which is very visible in black back ground which is awful my product is sony vaio E series laptop can any one tell me why does those spots appeared


That's called backlight bleed. It's a known issue with certain models of the LED screens. I had a similar issue with my previous laptop, a Lenovo G560. The only solution is to replace the screen.

Nov 18, 2013 | Sony VAIO E Series VPCEB36GX/BJ Notebook

1 Answer

My Acer X110 projector has steadily seen lots of black spots appear on screen, that begin to flicker, then turn white. A new lamp has been fitted and it appears this was not at fault. Any ideas ?


1,white spots appeared on screen,means the DMD chip is broken,you need a new DMD chip.I supply the DMD chip and the price is USD120

Have a good day!
We supply original projector parts: lamp, bulb, Lcd panel, Lens, DMD chip, color wheel,
motherboard, powersupply ... with high quality and competitive price.
Jerry Lampdeng Limited
Mobile: 0086-13178867858
Wechat ID: 008613178867858
Whatapp ID: 008613178867858
Skype: lampdeng@hotmail.com
http://www.lampdeng.com

any questions, feel free to contact me
have a nice day!
Jerry Lampdeng Limited

Nov 02, 2013 | Acer X110 OEM Projector Lamp

1 Answer

Grey spots black screen


could be a dead pixel you can some times get them back by tapping the pixel with the stylus off a nintendo ds have the tv on a white screen when doing it so you can see when it has worked. need to tap just the pixel square do it to each pixel.

Sep 29, 2013 | Samsung PS-42A450 42" MULTSYSTEM PLASMA TV...

1 Answer

Hi, I have a projector Optoma EP7155 and it appear white and black spot like dead pixel, I would like to know where I can buy a DMD chip with the CCD and how much it will cost. Thank you


global projectors is one source. You need to find out from Optoma the chip you need or take apart the machine and look at it. From China they run about 200 bucks. I've only done Mitsubishi so far.

Dec 16, 2012 | Optoma EP7155 DLP Projector

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