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My RCA HDTV Model HDLP50W151 TV is making the same noise that makes when cooling off all of the time

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Hi,

A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.

You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.

This will cure the problem as they overheat being sat next to a heatsink that gets very hot! Try and change them for the same 3300uf but a higher voltage.

Hope this helps

Posted on Aug 21, 2010

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