How can i fix my RCA tv?

I have a model 32V434T 32" television. A week or so ago, I tried to turn it on, but it only stayed on for 30 seconds, with a black screen, and the power button blinked off and on until it finally turned back off. It eventually came back on after a few tries and worked a day or so, but then it happened again and now it won't stay on at all. It will make the sound like it is powering on, and I can notice a small amount of fuzz around the edges, but the light just blinks for a few seconds and it turns back off. Any ideas?

Answer:
Sorry Ash but there are just too many faults that fit your description, I could make a series of guesses as indeed some of the others who answer may try to do , How ever your best course of action is to have a TV tech examine the Tv and give an estimate of the cost of repairing it. Sorry I cant be more help at this stage ,. Cheers Pete.

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