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Model HD5OLPW42 50" screen LCD Serial #E115C401A I have a triangle shape dark place in the upper left corner of the screen.

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I have a HDTV RCA and it will power off and restart itself after just a few second, can you help me determine what could be causing this.

Posted on Mar 21, 2013

6 Suggested Answers

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SOURCE: triangular shadow on the upper left corner

You may have a dirty or blocked mirror. You can usually take the back off and clean them. If you don't feel confident about it, a repairman can do it for you. If you clean it yourself, I recommend using a good quality glass cleaner and any type of towel that doesn't produce lint. Coffee filters work very well. Don't leave any streaks!

Posted on Oct 21, 2007

  • 1030 Answers

SOURCE: Dark area on screen

sound if u might have what is called a crt burn

Posted on Jan 03, 2008

  • 5 Answers

SOURCE: The upper left corner of the screen (triangular

This is your mirror tunnel. Light passes through the mirror tunnel to the DLP. The tunnel is made up of 4 mirrors glued together. Over time the glue comes apart and the tunnel shifts.

It starts out like this: |_|
and when the glue breaks down it does this: \_\

So the light, instead of passing through the mirror tube, goes through the ends of the mirror, so you get SOME light but not all.

I contacted RCA and they said:
"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. "
Awesome support! NOT! (That is the actual full text of the message from RCA support.)

I have some high temp epoxy and will be attempting to re-glue the parts myself.

Posted on Mar 22, 2010

  • 5 Answers

SOURCE: I have a 5 year old RCA 61LPW42 HD DLP television.

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

  • 1039 Answers

SOURCE: I have a Sony KDF-50WE655

The light engine needs replaced. Contact Sony. They have been replacing some of these even out of warranty.It is expensive.

Posted on Apr 01, 2010

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

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