Mine has been doing the same thing. (4 yo panasonic PVDV 951). Sometimes the head cleaner works. Sometimes I have no playback at all. It's working today so I'm not sure if I should send it in or just wait and see. It usually plays back fine the first time then starts having the lines on the 2nd or 3rd playback. Is there something I can buy to put my tapes on my computer and bypass the camera?