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24th July 2008, 01:00 PM
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diyAudio Member
Join Date: Jul 2008
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Yamaha RA50 rotary speaker/leslie
Please does anyone have a circuit diagram for the motor speed controller for this unit?
Mine runs but too slowly and sometimes grinds to a halt. There appears to be a magnetic pickup on the induction motor, so some kind of feedback system but I cant fathom it out without knowing how this bit works. |
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