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VCR Motor

Discussion in 'Sensors and Actuators' started by Pabloide88, Jun 14, 2013.

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  1. Pabloide88


    Jun 14, 2013
    I'm trying to control thisVCR motor. It has 7 pins, tracking the routes I managed to figure out what some of them were (I think) but 2 of them go to this board beneath the coils that has this weird zig zag pattern: 16.26.08.jpg

    Anyone has any idea of what does it do and what voltage to apply to those 2 pins?
  2. john monks

    john monks

    Mar 9, 2012
    You might have to try by trial and error.
    Most of these types of motors are 3-phase synchronous so you should be able to ohm it out. And to run it properly you will need to tap into the hall effect devices.
    I recently ran a motor like this by running the windings with a computer controlled pulse generator that had several output. So I simulated three phase and the motor ran but I had to give the shaft a push start because I did not use the hall effect sensors..
  3. Pabloide88


    Jun 14, 2013
    Ok great. I will try until it works.
    Another question, the speed control pin could be a pwm signal or just a dc signal?
  4. Number


    Jun 9, 2013
    I've taken a few of them apart and I think it needs just standard DC. But I would run it with a square wave. that way it'll work regardless. Hope this helps.
  5. eKretz


    Apr 8, 2013
    The "zig-zag" square wave trace is for a position encoder.
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