Playstation DDR help
 

I have a four year old TV, actually it's a 26" Panasonic beast my wife got on sale, with tons of ports and an internal harddrive. We could never figure it out and got a new flatscreen that's so much easier. Nayway, I tried to hook up my kids' Playstation2 to it and those DDR mats they dance on to the Playstation. I did it in the ports the manual said to and when they play games the video and audio are off. Of course I get nowhere calling Panasonic. Anyone got any ideas?