This is my first post, so hopefully I'm putting this in the right place. Yesterday afternoon, my Panasonic TV and Motorola DVR box were getting along fine. When I got home from work, it was a different story. The tv now gives no indication (flashing, etc) that anything is being plugged/unplugged from the HDMI2 input. Plugging the PS3 (which is working fine on HDMI1) in to the HDMI2 results in a black screen...leading me to believe that the input has a problem. ...