Hello all, after a a period of some months, I tried to play some records on my Beogram 4000 with no success. The tone arm does not move across! I removed the aluminium plates and I saw that the motor doesn't turn. I measured the voltsge on the cable motors and is 0 Volts? Do you have any idea about...

Next, I proceeded to clean the open switch in the near-right quadrant... Same process as above. Clean the open side first: Flipping this switch to the opposite position is accomplished by lightly pushing the white lever as shown - again, using very light fingertip pressure. Next rotate the aluminum platter...

Using acetone (the wife's nail polish remover) and a fine-tip paint brush, I began cleaning the switch in the far-left quadrant of the turntable: The switch: Cleaning first open side contacts with acetone and brush: Flipping switch to opposite position accomplished by pushing as shown with very light...