I have a rca hdtv and it will turn itself off then back on after a few seconds cna someone please help me with this

SOURCE: Tv cuts off and green light flashes

The Best Solution worked perfectly, I replaced the XL2200 Sony Bulb and the TV is up and running again!

Thanks for the help.

BobE.

SOURCE: my rca 52 inch hdtv turns itself off after a few minutes

Sounds like the green tube shorting intermittantly. Have a qualified tech use a tube restorer to check for shorts, or the loss of the 300v line to the green tube.

SOURCE: RCA D52W20 52 in. Rear projection hdtv problems

the circuit board behind the power on and off button needs to be replaced very easy fix.. good luck everyone

SOURCE: RCA HDTV Monitor D52W20 turns on and off by itself

I believe the high pictched noise you're refering to is the high voltage when your tv attempts to power on. When you say your tv turns on, is there anything on the screen? What I have experienced with several RCA itc222 is blown capacitors. When I attempted to turn the tv on it would try 3 times and then make me wait 45 seconds to try again. I don't know what to tell you about the blue light as I have never experienced that. But here is my solution if you'd like to try and fix it yourself. Be careful, but it is very doable.

I almost garantee that you need to replace a capacitor. You can check to make sure that's what you need by unplugging the tv, taking off the back cover and feeling 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.

http://i265.photobucket.com/albums/ii209/fillmore85welder/KodakMoment003-1.jpg

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"

SOURCE: 52" RCA big screen tv turns on and few seconds turns off by itsel

if you heard a hissing or like static sound your board probably has a hole in it now. the board on the left side with the flyback fransformer. the hole is from where a prong has come loose an is arking over an it burns the board the ark is the sound you heard.