Canon ZR850 - Dropped ~4ft - video playback bad. Alternates video strip / gray strip (total 10 strips). Display OK, video record monitor shows no strips. Expect optics, controls, display OK and video recording / playback head damages. Regular damage makes me wonder if there is an easy fix...
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix video cameras.