How Cassette player mechanisms work and how to repair and align them.
00:00 General information
34:34 Cleaning the Record Playback Switch
49:18 Cleaning the heads and tape path
52:05 Demagnetising the head
53:47 Motor speed adjustment
57:55 Head alignment azimuth with oscilloscope
New video on how the take-up clutch works in play due to the changing tape diameter:
https://youtu.be/axT1p0YHK3I