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I turn the power on and it tries to come on three times in a row and then shuts off

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  • ladywinn
    ladywinn May 11, 2010

    You need to post your Brand name and model number listed on back of TV.

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  • 39 Answers

Hi
Having in mind that a generic lamp will give you 4500 to 6500 lamp hours and the Phillips will give you 6000 to 8000 lamp hours and that you TV is 4 years old more likely you are looking to replace you lamp;The lamp itself typically uses AC current and about 15,000 volts to ignite the lamp's mercury vapor gas. The gases inside the lamp react when electricity charges up the mercury gas creating very bright light. The voltage drops to keep the flow of electricity to the lamp.
You can check DM;
RCAs are known for bad color wheels and power supplies, which power your ballast, which powers your lamp,
If you can hear your TV fan working is NOT you power supply,but if you hear a constant clicking you ballast needs to be replace,
A ballast is an electrical component used with a fluorescent bulb (or mercury vapor lamp or arc lamp) to conduct electricity at each end of the tube. It supplies the initial electricity to the bulb that creates light, and then it regulates the amount of electricity flowing through the bulb so that it emits the right amount of light.
You can find your parts at:http://www.discount-merchant.com/SearchResults.asp?Search=HD50LPW175?Click=48426
I hope this will help,please keep us posted.

Posted on Oct 01, 2009

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