Question about RCA P52960 52" Rear Projection Television
RCA 52" TV will not turn on makes clicking noise. Never had any problems with it before this happened? Just won't turn on. worked one night and now it doesnt? i am pretty handy so is there a way to fix this myself?
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Posted on Jan 02, 2017
Unplug the tv, take off the back cover and feel the top of 3 capacitors. On my d52w20, CP150 (rated at 2200uf 16V) was blown and the top was bulged out. You should also check CP120 and CP114 to see if either are blown. I don't have a clear picture of where it's located, but I have a picture of what you should see after you take off the back cover.
In the middle of the picture you see an aluminum heatsink in the shape of a 'C' with the opening facing away from you. That is where CP150 is located. CP120 and CP114 should be located nearby, but if you can feel a bulge on any of the tops of those 3 capacitors replacing them should fix your problem. Replace the existing capacitors with a higher voltage rating of either 25v or 35v.
"4 capacitors on the power/deflection board. CP110 220uf 200v. CP120 220uf 35 Volts. CP114 220uf 35 volts. CP150 2200 16 volt. also check entire delfection board for cold solder especially around flyback. bad connections here can cause problems like some of the fp fuses blowing and cutting off convergence supply"
Posted on Jun 22, 2009
The clicking noise that you are hearing is actually the power relay. Normal operation by either the remote or the power button on the front panel, you would normally hear a soft click just after the press of the power buttons to turn the unit on or off. When you initially plug the unit in to power, you will hear the same click noise. Being that you are hearing it all the time indicates a failed relay. TV's now a days, or at least ones built during the last 15 - 20 years have different Printed Circuit Boards (PCB). There are PCB's for power (which youre dealing with now), sound,video and so on. The PCB that you need to repair your clicking issue will run you about 80 U.S. dollars for the part plus the average going rate for repair from a qualified service tech. You could purchase the part from Thompson Consumer Products repair and fix it yourself, but be aware, there will be no warranty on the part itself unless an authorized tech does the work. Located on this PCB is the power on/off relay, fuse, usually 4-5 connectors for power to different PCB's (depending on model and features). Now depending on how old the TV actually is, you may want to invest in a newr set, the reason why I say that is, is because the new power unit may and can overload the other boards and cause damage to them and now you have a new problem to deal with( along with more money being tossed down a hole.
Posted on Sep 19, 2009
The clicking noise is caused by the relay. This is a fail safe to prevent possible fire in the unit. It is heat sensitive and detects some overheating component or short circuit. You may find damage on one of the Sustain or power boards is causing this to occur. It is NOT a DIY unless you can rtead a circuit diagram and understand electronics. It is not a case of being a board swap jockey like working on a PC. Any change of boards or components requires aq retuning using a cross pattern generator ( sometimes buoilt in to the TV in the service access area) Many on here try and do it on the cheap and end up spending much more than the service call in an attempt to save a few $. Very few succeed and if they do the fix is short lived..
Conservative estimate for fiz is $3-400. Unless its a warranty claim.
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Posted on Feb 07, 2010
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