Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

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RCA dlp - Shadow

Did you ever figure out how to fix your shadow problem. I have the same issue.

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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?)

Posted on Mar 22, 2010

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52" rca hdtv has a shadow ghost when it plays. It


convergence issue. Press menu and then scroll down to the setup option enter setup and scroll to Autoconvergence and activate the auto convergence feature that will realign the convergence . If that doesnt correct the issue you will need a Convergence power board, If the auto convergence feature is missing from the setup menu then you need the convergence option missing repair kit. Both the board and the repair kit are available from www.tvrepairworld.com

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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."

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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If all 3 colors are mis-aligned, you may have solder connections that blew a fuse. There are three fuses next to the flyback transformer, one usually blows causing this issue. Resolder the flyback solder connections and replace the fuse to fix.

Dec 06, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Shadow down left hand side of screen


Is it an LCD or DLP? The Model below suggests it is an DLP. Sounds as if you have the dreaded light tunnel collapse common to all LG DLP TV's. Inside the light engine there is a square tube made up of four mirrors. These mirrors deform and crack with the heat of the lamp. They fall down over the light aperture and cause a shadow of varying degrees. It is fixable now at a realistic price ( used to have to replace engine) as LG have made the parts available. It would take a competent tech around three hours to complete or if you are technically minded you could do it yourself. I hope this helps. Good Luck.

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hi,
while having another problem fixed the tech told us about fixing the shadow in the corner problem. check the tubes. he said when they get hot the glue around the tube melts and causes the problem. he removed the access glue and ours is all better, i hope this works for you too.
:-)

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1 Answer

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tube replaement in these units are extremely labor intensive. shadow may mean a bad focus pack or it could mean a bad tube or bad crt board. but i would suggest geting a tech to look at it

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1 Answer

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Seems a lightning strike took out my bulb
eventhough i have a surge protector.
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please can you help?

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