Can you guide me for how to open mitsubishi model xd510u projector, because some white spots are appearing on the screen. I want to clean the lens.

With water only

1,white spots appeared on screen,means the DMD is broken,you need a new DMD.

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This is a dlp projector and has a bad DMD chip. Most models are very similar. Here is a video of a similar repair.

This is a dlp projector and has a bad DMD chip. Most models are very similar. Here is a video of a similar repair.

1,white spots appeared on screen,means the DMD is broken,you need a new DMD.
2,the projector running off after only a few minutes,means the Inductor (Sensing element),near the Color Wheel. Use a cotton swab moistened with alcohol to wipe the Inductor.

Have a good day!
We supply original projector parts: lamp, bulb, Lcd, Lens, DMD,
motherboard, powersupply ... with high quality and competitive price.
Jerry China
Tel: +86 131788 67858
E-mail: [email protected]
Skype: lampdeng.com
YM: [email protected]
http://facebook.com/lampdeng
http://www.lampdeng.com

This is a dmd chip going bad. Here is the replacement on a very similar model. You would need to verify your chip number to be sure. Love to know if it is the same as the 250 and it probably is. http://youtu.be/775YOs-aOPc

Mine had the same problem, had dirty on the mirror and needed to be cleaned at a service facility, cost me about a $100

You have a bad DMD/DLP chip here is a guide to replace it if you choose. It costs about 200$ if you buy from china. http://www.youtube.com/watch?v=V_uUH-xHKkU

Clean the lens inside and out (but do not disassemble the lens assembly), and clean the internal LCD panel.
If this doesn't help, then the LCD may have defective pixels.

sounds like the DMD chip has faulty pixels