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Posted on Aug 22, 2009
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There is a shadow in the upper left corner of the screen

I just bought a used InFocus 61 inch dlp tv. When we looked at it at the guy's house there was a small shadowy blob in the middle of the screen, but we didn't feel it was a big deal so we bought it. When we unloaded the tv at our house and turned it on, we now have a large shadow in the upper left corner of the screen that tapers all the way across the top to the right corner of the screen. It DEFINITELY wasn't there before. The little blob is still there as well, I think the two issues are unrelated, but both still need solving.

  • higinbot Aug 23, 2009

    Good thought, but it isn't giving me lines, just a curved shadow tapering from the upper left to upper right corner. If it is the mirror that was damaged though, how should I go about fixing it?

  • Anonymous May 11, 2010

    you may have cracked or damaged the mirror in transport--usually it will give a diagonal line effect

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  • Master 14,553 Answers
  • Posted on Aug 23, 2009
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Someone is going to have to look inside by either removing the rear upper part of the set or removing the entire front screen---neither is easy to do. But considering your trouble I would not be surprised if the mirror is cracked---the entire front screens would have to be removed to replace the mirror--special mirror and special handling--I have seen several break when someone is not careful putting in.

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bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
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I have a 5 year old RCA 61LPW42 HD DLP television. A few months ago a small dark shadow appeared in the upper left corner of the screen. Over time it has creeped down and become larger. Still starting...

It's the light tunnel. The tunnel is a square tube made up of 4 mirrors glued together.

It looks like this from the side: |_| (with a piece on top too.)
When the glue breaks down, it shifts inside the little mirror holder. The shifted mirrors looks like this /_/ what you are seeing is the shadow of the tilted mirror tunnel.
ON the RCA's there's not a good fix.

RCA's response:
"Ok, well sadly they do not offer the light tunnel anymore, which is what you need. Sadly you would be rendered to get a whole new light engine assembly. That would be the D.N.D module, light tunnel,color wheel,optic spanner, and oci. mirror. Your best bet would be to search ebay for a broken engine and replace it that ways."

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I took the set apart and found the 4 tiny mirrors. I will be attempting to epoxy them together. (The set is dead anyway, why not try?)
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