HP-65 card reader problems
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02-02-2020, 09:00 AM
Post: #3
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RE: HP-65 card reader problems
Thanks Tony
I have rotated the cam in small increments over a full 360 deg. It does alter the current draw when I apply a voltage across the motor directly as expected. The main issue I think is that I cannot see any real voltage at the motor terminals when Insert a card ? The drive shaft does move axially but won't pull the card and I only measure some 50mv across the motor terminals ? Richard |
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