I have a vintage Marantz 2220B receiver. There is a hissing sound coming form the on/off knob. The sound last for about four minuets and stops. I produces sound for the unit the display panel light dim for time to time.
I have a vintage Marantz 2220B receiver. There is a hissing sound coming form the on/off knob. The sound last for about four minuets and stops. I produces sound for the unit the display panel light dim for time to time.