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Old 05-16-2019, 05:59 AM   #27
Pierre95
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Join Date: Feb 2016
City & State: Bezons
My Country: France
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Posts: 38
Default Re: Panasonic NVGS50 camcorder backlight issue

I will inspect soldering joints near the plugs involved in the tape mechanism.

As the behavior is not the same when a tape is inserted, the tape detection seems to work properly. There may be something that prevents the tape loading mechanism to load only when a tape is inserted. Is the video drum expected to rotate before the tape actually loads?

I noticed two sensors at each extremity of the loading mechanism. They are not documented, and I assume they are tape detection sensors.

There are also 4 blind holes at one corner of the DV tape, but I didn't find any documentation about it and don't know if their purpose is tape quality detection (as for audio tapes where holes allowed detecting between Ferro/Chrome/metal tapes) or if they serve for tape presence detection.
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