Question about RCA HD50LPW42 50" Rear Projection HDTV

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ATC 336 Thanks for the solution. You mentioned it being the capacitors. I did smell something that resembled burnt electronic components. Well, I am a software geek and not a hardware geek. Could you recommend a guide on how to replace them or where I should go to get it done and maybe be a gestimate on how much it may cost. Would you also recomend on just getting a new TV because these RCA's just seem to be craping out a lot. I also already had the light engine, sound board and light bulb replaced on this particular set. Again, thanks for the addvise.

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  • Gigagrunt Apr 08, 2008

    Thnx. I will look into it some more.

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  • RCA Master
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Sadly, most repair shops are getting away from component level repair and want to do module replacement which would be between 4 and 6 hundred. I can give you a link to a site that I am part owner of as well as a support tech. We sell service manuals and provide free tech support as well as sell replacement parts.. If you can solder I would recomend that route as putting alot of money into a new module. If you would like to try to repair it with free tech support just look on the rear of your set for the Chassis number and go to the following link,
http://servicemanuals.vstore.ca/
let me know if I can help you further.

Posted on Apr 08, 2008

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Hello. The chirping probably indicates a shorted transistor or diode, and the burnt smell usually indicates a blown capacitor or a burnt resistor, or multiple damaged parts. I would have to see the TV to be of any further assistance. Sorry I couldn't be more helpful. Good luck.

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You may need the remote to access all of the features in the settings but sometimes can be done with a series of selecting appropriate buttons on the tv set itself and typically near the power button and may involve the use of the volume buttons, a menu button etc.
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Part numbers and components are usually named right next to the component such as R1 or R2 - resistor 1 or Resistor 2, L1 is a coil, C25 is capacitor number 25, d3 is diode number 3, IC5 is integrated Circuit 5 and ICs have more than 3 pins.
Bad capacitors will typically show signs of swelling or exploding at the top or bottom and may have leaked a clear, white, or yellow fluid and then perhaps dried up. Dont confuse wax or white silicone to hold parts in a certain place as the positioning of some components is critical to its operation without interference with other components, or the resistance in putting on a longer wire may cause some interference with the operation of that and other related parts.

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Testing and examination requires individual boards to be removed for testing, caution even on unplugged devices as capacitors can hold a lethal voltage, a long comb or toothbrush can be used to release that energy but may take several seconds or longer to dissapate.
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