Has anyone ever heard of this happening.. I have green vertical lines down my Panasonic plasma (tc-p54g10) only through the tuner directly. All other inputs are fine and the lines are not there when watching any video. This TV has Viera cast and when I try to watch a video through you tube or Amazon those lines will appear and then the TV will eventually shutdown and restart after 15-20 secs. No blinking lights during this. It only shuts down when in Viera cast while watching a video though. I replaced the tuner on the A board and that did not solve the problem. Wondering if the a board needs to be replaced or not. Here's a Link below to the video of what is happening. Any info would be greatly appreciated.