Question about InFocus LP120 / 1000 Lumens / XGA / DLP Projector Refurbished Multimedia Projector

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Infocus image problem

I have a brown "bar" running down the side of the projected image on the screen. It almost looks like a burn mark...but is not on the computer screen just the projected image

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  • Anonymous Feb 10, 2009

    I have the same problem. Brown "bar" at right side of screen. A shadow about 5 inches wide

  • cudzilotpc Apr 10, 2009

    Same Thing!! Brown bar on right side of the screen. I Have about 600
    Hrs on the bulb when this started. I don't know if it the bulb or the projector? 

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That is caused by a collapsing light pipe.
This is a mirrored glass square component that is located directly behind the color wheel. It is comprised of 4 mirrored section approximately 40mm x 8mm that are glued together with a hi-temp adhesive to form a square. The artifact you see is one of these mirrored glass section's has come unglued and has moved inwards blocking one edge of the image. The edge of this shadow is not shar because this failure is not at a focal point.WHEW..all that being said it's possible to re-glue it if you are electro-mechanically savvy and have steady hands. If you need to take it to a service they will most likely just just replace the complete DLP engine (the whole optic assembly) Hold on to your wallet!!


Cheers

Posted on Jan 16, 2010

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bye

was his helpful?

Have a nice day

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