Question about InFocus X1 Multimedia Projector

6 Answers

Infocus x3 video problem

After 2 years of excellent work (~1800h of lamp usage), a dark (not black) band appeared at the left 1/10 portion of the screen. Looks like it's getting wider week after week. Any ideas how to get rid of it?

Thank you

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  • Anonymous Jun 24, 2008

    i am also having the same problem and it also happened after i replaced
    the bulb, i thought it was the new bulb that was defective but technical support
    over at infocus told me that it is unlikely... (fixing it would cost
    almost like a new projector) does anyone know how to fix this?

  • Valerie Ward Jul 23, 2008

    Oh My! I thought my TV (projector) was dead! I figured it had been bumped around to much when i moved from one town to another. I cant wait to get home and dismantle it! I hope i find a mirror that fell off. If not... it wasnt working anyway! Wish me Luck... I love fix ya!



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6 Answers

I had this happen to me. I was able to fix it. It was indeed the light tube. The glue connecting the four rectangular mirrors had peeled from the heat and one of the mirrors had slipped and fallen in. Oddly enough, some well-placed scotch tape managed to hold the light tube together correctly, and it's been working fine ever since.

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Posted on Jul 01, 2008

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  • 17 Answers

Sounds like it could be the mirror tunnel. There is a very small mirror tunnel behind the color wheel (looks like a long prism) that can often fail as it is very fragile. This tunnel concentrates and channels the light to the DLP chip and if it collapses it can cause the very issue you describe.

Posted on Feb 19, 2008

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Had the same thing on my LG projector - indeed the mirror light tunnel that collects light from the bulb and projects it via a set of subsequent mirrors to the DLP imager. The glue holding the 4 tunnel mirrors together came loose and one mirror slipped inwards to create a grey band on the TV image. I removed the mirror tunnel and had to rebuild it. I cut a long piece of wood in rectangular shape so I could stack the mirrors around it and hold them in place with small rubber bands. The stick was as wide as the widest mirror and as high as the narrow mirrors. I then applied silicon in the gaps between the mirrors and scraped the excess off so it won't interfere with alignment of the tunnel again. After curing of the silicon, I extracted the wooden stick to leave a perfectly shaped light tunnel. When you refit the tunnel, make sure that it lines up correctly otherwise it could cause grey bands at the edge of the TV image.

Good luck if you want to do this, as it is a very nerve-wrecking and finicky job! Projectors don't like to be worked on - lots of little connectors, small screws and things that can break. With a new bulb after 3000hrs, the image is bright again, but I think if this one wears out, I will upgrade to newer technology.

Posted on Sep 14, 2008

Try this link:
http://www.avsforum.com/avs-vb/archive/index.php/t-618877.html

Posted on Jun 24, 2008

I am also having the same problem and it also happened after i replaced the bulb, i thought it was the new bulb that was defective but technical support over at infocus told me that it is unlikely... (fixing it would cost almost like a new projector) does anyone know how to fix this?

Posted on Jun 24, 2008

I am having a similar problem with mine, but it happen after I replaced the bulb. Is there any way to fix it myself?

Posted on Apr 26, 2008

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