Volume control repair Harmon Kardon and a little other blah blah 

Same thing goes for plate amplifier that make that noise they need to be cleaned out electrical contact spray it the space when it's a remote control there usually round 🎵🎶💯👍

Thank you for uploading this. I am trying to fix a volume issue on a like new avr7300 where it just goes up to max, randomly, blowing speakers. I think, and hope, that this may solve the issue..