Question about Samsung HLN617W 61" Rear Projection HDTV

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Diagonal Shadow I have installed a new color wheel. When I put everything back together It was great. Unfortunately the safety switch had broken and I tried taping it in an on position. That worked, but after getting the TV back into its location, it now has a dark translucent diagonal shadow across approximately half the screen. It almost looks like something is either obstructing part of the lens or light source. Do you have any suggestions?

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It is possible that when you changed the color wheel you damaged the light tunnel. depending on the model number this may be a replaceable part.early model tunnels are easy to change with no tunnel alignment problems but later models the tunnel is easy to change but almost impossible to align

Posted on Jun 11, 2008

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Often a piece of foam, debris or such can get in between the lamp and color wheel which can cause the symptom your describeing.

Posted on May 12, 2008

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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."

That is the ONLY response I got from them.

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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