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Mitsubishi projector xd50u dlp chip repair

This is an older unit with lots of hours of use. The reds keep getting darker, almost black. I have tried different cables. The retailer suggested the DLP chip could be going bad.

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Normally the dlp going bad would be white or black spots. Dead pixels. DMD/DLP is about 200$ from china. I've got a video of the repair on an ex51u

Posted on Dec 07, 2012

  • joe matt Dec 07, 2012

    That video was very good, I would need to watch it about 10 times to make sure I did it right, but it seemed to cover everything. Thanks

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Posted on Jan 02, 2017

Benimur
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SOURCE: CONNECT CABLE TO MY PROJECTOR

Hi,

Depending on the specific model of your Mitsubishi DLP, you can have either S video, RCA, VGA or a few other choices of INput connection.

Depending on your cable provider and hookup, you can either have a plain cable with F connector or a cable box normally with RCA connectors and a remote control.

If you have a simple cable connection that attaches direct to a TV (no remote, no box), you would need a TV Tuner to be able to receive the different channels whose output would be a composite video signal into the yellow RCA jack. You would need an RCA to RCA cable to in turn connect it to your Yellow RCA Video INput of the projector. In the absence of a tuner, an old VCR with such a feature would also serve the purpose. In some instances either units may also have an S video connection.

If you have a cable box with with remote, then there is no need for a tuner or VCR since its output would already match the projector's input.

Either way you would need a separate audio amplifier/speaker  for the sound.

Hope this be of some help/idea. Pls post back how things turns up or should you need additional information.

Good luck and kind regards.

 

Posted on Oct 23, 2007

  • 1 Answer

SOURCE: how to check for lamp life of my mitsubishi multimedia Projector xd 450u (DLP)

i believe you hit the up and down arrow and the enter button on the projector itself and hold hem in for few seconds and it will display lamp usage.

Posted on Jan 04, 2008

projdoc
  • 2236 Answers

SOURCE: IBM 400M DLP projector

not able to be used with a mac.

Posted on Aug 19, 2009

projdoc
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SOURCE: Describe your Toshiba TDP-S35 DLP Projector

this model is a dlp, not an lcd. reset the settings to factory default. if that doesn't help, replace the colorwheel.

Posted on Nov 11, 2009

projdoc
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SOURCE: I'm looking for a Samsung SP-P300ME DLP Projector

try online.projectordoctor.com

Posted on Dec 28, 2009

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1 Answer

This projector is projecting a red color throughout. What should I do to correct the color? It has been turned off for about an hour. Please advise. Thank you.


The EX240U uses a DLP imaging chip and a rapidly spinning six-segment color wheel (red, blue, green, white, yellow and cyan) to form the image. It is likely that the spinning color wheel has stopped with the red filter in front of the chip. I recommend opening the projector and see if you can coax the wheel to move and maybe it will spin once again. if not, it may be the wheel motor or the circuitry that affects the timing of the spin - either way, it will take a trip to the repair shop to fix.

Hope that helps.

Mar 05, 2015 | Mitsubishi EX240U Projector

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Sounds like either a bad DLP chip, or dirty optics. If the "sand grains" seem to "multiply< then you DO have a bad dlp chip, some mirrors are "sticking".

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Viewsonic 5132 dust blobs


Most likely your DMD chip has dust or hair on it. You can try blowing it out with compressed air but the best thing is to tear down and clean the dmd chip itself. Very carefully. Here is a video of a similar unit. SO far all the DMD projectors I have worked on have had a very similar set up. Take pictures as you go.
MItsubishi XD206u DLP Projector Lens Assembly Cleaning

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1 Answer

ES200U DLP Projector red color not


1,the color starts to go out, it become the white and black ,
2,then,the projector running off after only a few minutes,
it is a general issue:the inductor need to be cleaned
Use a cotton swab moistened with alcohol to clean the inductor.
the inductor (Sensing element),is near to the Color Wheel.
the industor : is a black little element,as little as a sesame seed

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

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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 have lines and black spots all over display


Most likely you have a failing DLP chip. The DLP chip is the one that forms the image that is projected onto the screen. Search for "Mitsubishi Black Dot" in your search engine and you will see you are not alone. Apparently, a lot of DLP chips in Mitsubishi products are failing. With the low price of projectors these days, your best bet is replacing it. If you want to repair it yourself, the chip will run you about $200 to replace and may require soldering.

Hope that helps,
Bax

Nov 10, 2013 | Mitsubishi EX240U Projector

1 Answer

Suddenly, benq mx511 has white pixels showing up....multiplying every day...now the projected image consists of 50% snow.


It probably has the same DLP chip as my Mitsubishi television. The mirrors in the chip set get stuck and create the white spots. There is no way to fix this other than replacing the DLP chip.

Feb 04, 2013 | BenQ MX511 3D Projector

1 Answer

White dots on screen


White dots are usually caused by a bad DLD/DMD chip. These do have a warranty normally. If it is out of warranty you can obtain a chip for between 200 and 500 depending on who you buy it from. I would call tech support and find out the chip number if you can. If not take it apart and read the number from chip. global projectors is one supplier. Infocus may have them as well. youtube has lots of repair videos. Here's mine on a mitsubishi. http://www.youtube.com/watch?v=V_uUH-xHKkU

Dec 20, 2012 | InFocus IN2104EP DLP Projector

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Mitsubishi dlp tv WD65733 has white spots, like stars on screen, what causes this


If you get White or black dots all over the screen (DMD symptom)
If you get a pixilated picture (DMD Board)

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