Question about RCA HD50LPW42 50" Rear Projection HDTV

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Sawing noise I've had this tv for about 2 years. Turned it on yesterday - went on but there was a sound I never heard before - like a table saw (not the whinning noise that happens when the lamp needs to be replaced). There was a picture. Turned it off, then on but this time no picture and the power light did it's blinking thing (like it does when it's not able to communicate with bulb). I was sure it wasn't the bulb because we just replaced it about a year ago, but I had new one which I switched with the current bulb, but the results were the same. It's not a bulb problem. What else could it be?

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  • mogall Dec 31, 2007

    Thanks HandyBoy. What is the ballast? Is it something I can replace on my own?

  • Anonymous Feb 07, 2008

    RCA HD50LPW164

    I have the same problem after 2 1/2 years. There is a loud whirling noise and the color fades in out of different shades (purple, blue, yellow). The very loud noise continues up to 20 minutes after you shut off the TV. The noise first came 3 months ago and stopped, then it resurfaced.

    Did any one find out what the problem was?



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Sounds like it is your color wheel.

Posted on Dec 19, 2008

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Sounds like the same problem I encountered with my TV might be

Posted on Dec 31, 2007

  • Handy Boy Jan 05, 2008

    looks like your on the handy side, please double check that your bulb is still intact. I know your sure its still good but it pays to check. The ballast needs to be done by a tech as much as I would like you to save money on it. It sometimes pays to have fall back, the tech will give you a warranty on the job. Good news is the ballast is not that expensive depending on the model that you have. If you look at the manual that came with your tv it should say on the trouble shooting guide what the trouble is. Two red blinks indicates colour wheel. Three red blinks and one green is the bulb etc. those were just samples of course and not to be taken literally please always refer to your manual.



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