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Old 05-18-2019, 06:50 AM   #29
Join Date: Feb 2016
City & State: Bezons
My Country: France
I'm a: Knowledge Seeker
Posts: 56
Default Re: Panasonic NVGS50 camcorder backlight issue

As error F05 refers to "Cylinder Lock", I concentrated on checking continuity of the 7 wires between connector FP2202 and corresponding pins on IC2201. I checked directly on where the signals end, on the video drum itself to take into account the whole path. Unfortunately I didn't find any breakage on any of the lines (M1A, M2A, M3A, COM CYL, GND, PG+, FG+).

Maybe it could be usefull to solder small wires on the contacts attached to the video drum and check signals while the tape mechanism is operated but as I'm far from being a camcorders expert, I don't know what levels/waveforms I should check.
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