Well I got the spring-coil out of the knob. Thanks to TNT I found this pic.
Unfortunately, the tonearm is out of balance (insert angry face here!!). The counterweight has to be pushed way back, with about a quarter of it hanging off the edge, to get the arm floating again.
Unfortunately, the tonearm is out of balance (insert angry face here!!). The counterweight has to be pushed way back, with about a quarter of it hanging off the edge, to get the arm floating again.