How videocassette recorders work - GIF

How videocassette recorders work.

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Previously:

https://www.homemadetools.net/forum/...549#post136091
https://www.homemadetools.net/forum/...260#post211369
https://www.homemadetools.net/forum/...748#post163494
https://www.homemadetools.net/forum/...687#post193731
https://www.homemadetools.net/forum/...430#post162072

I used to clean these heads with alcohol. When they came out with the chrome tapes, it used to scratch the heads beyond repair and the video machine was scrapped.