This is often caused by a failed suppressor capacitor. The repair involves replacing the faulty capacitor/resistor.
Rega Planar Motor Repair Capacitor 0.22uF 220nF Fits Earlier 220V 240V Models
Henry Hetty Numatic Vacuum Suppressor Capacitor Discharge Resistor Repair Parts
Sega Game Gear Full 20 Capacitor Replacement Repair Kit Sound Power Dim Screen
Atari 2600 Capacitor Kit - ReCapping / Rebuild / Repair
Nintendo Gameboy DMG Cap Kit / Complete 19 x Capacitor Kit / Repair Kit
Thorens Turntable Repair Kit TD-150, TD-160, TD-165, TD-166 (Capacitor/Resistor)
