With a magnifying glass look carefully on the drum video head, head wear more serious. Brings up a menu of VCR panel, the VCR using time 2988 hours, it is more than nominal life (2500 hours). Video recorder, this machine is a digital circuit containing a video head drum drum than analog circuit video on precision, if do not have professional maintenance debugging conditions, usually should not be replaced separately. With a drum assembly (on the drum and the drum motor) after replacement, return to normal use.4LCservice manual download site