A couple weeks ago, my six year old Sony A1 DSS stopped working. It now provides either a blank screen, a pixelated display, or the infamous "Please insert a valid access card" message. I can get video when I tune to channel 100. I've spoken with DirecTV, and they've gone throught the usual power-down resets, and reset the access card. No luck, so they referred me to Sony, where I've waited on hold forever without speaking to a real person. I'm just not convinced yet that this is a hardware problem. If I can receive channel 100, it seems the problem must be in the card, or the card reader. Has anyone else gone through something similar?