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Motor does not work.

Symptom: Drive resets, but motor does not spin.
Target : all serial floppy drives




Possible sources of failure

  - rectifier
  - electrolytic capacitor
  - voltage regulator
  

Analysis


Note: The following procedures require a multimeter.


Rectifier ok?
 
  Measure the voltage on the electrolytic capacitor. If it is
  far below 15-20V, replace the rectifier with a B 40 C 2200.
 
Electrolytic capacitor ok?
 
  Blah...
  
Voltage regulator ok?
 
  Blah...
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