Quote:
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Originally Posted by James Sweet
GaryJ wrote:
I have salvaged DC Motor (Copal) from and old floppy disc drive.
However I don't have any information on them. It is an LC-177B. I
also need a control circuit for it. I am building an inductor winder
for guitar pickups.
Regards
Gary
Do you still have the rest of the drive? Apply power and measure which
pins to the motor are +5v and ground. There will probably be two wires
for power and ground, one for enable, which needs to be either +5 or
grounded to turn it on, then another for tach output, and there may be
yet another for selecting the speed since low and high density disks
used different RPM.
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Thanks James. I believe you may have just solved the problem. That being my lack of knowledge of the workings of the motor. I still have the rest of the drive. I believe I can work out which lead is which from that.
Regards
Gary