Tape Head Demagnetizer Cassette

Contains a battery powerd circuit.

This model charges up a capacitor to a pre-determined voltage and then dumps it into a demagnetizer oscillator using an SCR. The LED lights when finished:

Circuit Diagram aka Schematic reverse engineered from circuit board

Power to the circuit is activated by a microswitch when the tape head presses on the demagnetizer coils:

Safety, accuracy and completeness of information provided herein is not guaranteed,
so be inspired by it but do not use it as a basis for experimentation or other actions.

Clickable link!  TOP  ©™
Valid HTML & CSS!
Congrenation.com 2024-06-20T06:29:10.565Z
Version 20231217