PL-990 - Humming or Buzzing Noise

Symptom:

Humming or buzzing noise.

Solution:

• Connect to the correct inputs on the amplifier or receiver.
• Make sure the cartridge and stylus are installed correctly. 
• Move the unit away from the source of interference. 
• Make sure all components are properly grounded.
• Try taking the unit to a different power strip or wall outlet.