RONDINE JR OR RA-6 HUM PROBLEM

Symptom:  Mild background hum that persists after checking all cables, connections, headshell, etc.

Possible Cause: Ground wire broken loose from tonearm solder lug.

What to do.  Remove the bottom cover of the turntable and inspect the arm for a loose or broken ground wire.  Solder it in place if it has become broken.