Beogram 4002 platter motor running too fast — 55 RPM at 33 setting

in BeoGram · May 21, 2026 21:52 GMT

Also just measured the P1 to ground: Pin 1: 8.63V Pin 2: 5.9V Pin 3: 8.62V

Beogram 4002 platter motor running too fast — 55 RPM at 33 setting

in BeoGram · May 21, 2026 21:41 GMT

Hi, thank you for your advice. I've already measured the IC3, got following measurements: leg 1 = 6.06V leg 2 = 5.4V leg3 = 1.27V leg 4 = 5V leg 5 = 7.75V leg 6 = 6.77V leg 7 = 7.35V leg 8 = 8.56V so quite close to the s…

Beogram 4002 platter motor running too fast — 55 RPM at 33 setting

in BeoGram · May 21, 2026 08:56 GMT

Dear forum members, I am restoring a Beogram 4002 and would appreciate some help with a platter motor speed issue. So far, I have done the following work: Relubricated the mechanical parts Re-infused the motor bearings w…