Toshiba Plasma TV

I purchased a 50� Toshiba Plasma television on March 2, 2007. It was not a cheap purchase, but one that I had been working hard for and looking forward to. During the first week of May 2008, I was turning the tv on and there was a loud pop. The tv then turned off. Any time that it is plugged in all it will do is turn on and off. After researching the problem, I found that it was the Y-Sustain board. This is a common problem with any set using the LG board. I had contacted customer service several times up to this point and got no help. I was asked �did you try unplugging it and plugging it back in?�. I had told them that the tv had been unplugged for days prior to this question, but apparently they didn�t listen from the beginning. I told them yes, it has been unplugged for days as I has stated. I called a few more times and received no help. They said that was as much as they could diagnose over the phone and that I would have to email my problem along with the proof of purchase. I did so on May 16, 2008 and as of this date still have not received a response to my email. I was given the phone number to an authorized Toshiba service center in my area. I spoke with the service center and was told that the problem was the Y-Sustain board and it would be about $350 to $450 to repair. I contacted customer service again on July 7, 2008. I again explained my situation and my file was looked up. I was told that no help would be given to me by Toshiba. I said that the set was only two months out of warrant when it broke. I asked if it would be possible if Toshiba would pay either for the parts or labor and I would pay the other. I was told that this would not be an option.