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RCA scenium DLp model = hd50lpw166yx7 bought from costco spring summer of 2006. Grinding noise sounds like leaf blower. Colors flucuate and sometimes the screen just won't come on at all makes th enoise and then no noise I get audio but no video after that. Is it true that this model does not use a singular Light wheel but has the whole "light engine" that must be replaced? Seeing as how if the cost of repair is greater than a grand I can buy any Sony Bravia model for about a grand right now and true LCD has gotten inexpensive. Just looking for confirmation that repair of just the light wheel isn't an option.

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  • mzeitner Apr 18, 2008

    Thanks for the timely response. Now I have to find someone who sells the light wheel for my model. Being a technician for such a long time I shouldn't have to many issues getting this fixed.

  • mzeitner Apr 21, 2008

    How do I find out what chassis # I have so I can track down service manual and Download the correct version of Chipper Check?

    Thanks again.

  • rsto Aug 08, 2008

    when tv comes on it makes a loud almost grinding noise.picture is fine,but can't understand what people are trying to say cause the noise is too loud.found a place to purchase lamp only,but need to find out if that is the problem or if i need to replace the whole lamp assembly.please help.

  • djfair21 Jan 05, 2009

    I have the hd50lpw166 bought at Costco Feb of 2006. I have the same problem. There is a grinding noise almost like the sound of a video tape rewinding when it has that high pitched squeel. That started then the picture would come on and the noise would go away. Now the squeel somes on and no picture or sound. The squeel will go away for 30 seconds or so then come back on.


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No that model has a color wheel that can be replaced.

Posted on Apr 18, 2008

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