33rpm is fine but when I depress the speed selector push-button for 45rpm the speed increases for a second and then decreases to below 33rpm and fluctuates under that speed. The deck sits on a platter which is driven by a belt around it and the motor spindle. The speed of the motor is controlled via the push-button selector which pushes a rod onto a lever which alters a switch position underneath a small PCB that connects via 4 wires to the motor.
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Brilliant! I'm no techie but I took the platter off, removed the pcb and found that the lever wasn't doing what it should. I tinkered, applied some pressure to the contact strips and, lo and behold, it now works! Thanks, ashburton, guru indeed!
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