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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Posted here a while ago broken speed control: Well they sent me a new
one - no charge! but the damn thing still won't work. The motor just hums in all positions of the control. I measured 100VDC going to 2 of the 4 wires to the motor. The motor bearings and brushes look good. Any ideas what further diagnosis I could pursue? |
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