14x16mm Potentiometer Knob Cap Volume Control Aluminum Encoder Multimedia Speaker Spare Parts for HiFi Audio Amplifier Musical Instruments by Keaiduoa

your sub homeys today will fix scratchy noise input selector this tutorial will also work for a noisy volume control or tone control potentiometer knob but look and listen how this defect shows itself in real life this can occur to your PC speakers car amplifier or even hi-5 system just like mine for this job you will need screwdriver kitchen or toilet paper and some electronic contact cleaner or special potentiometer cleaning spray that you can buy in electronic DUI shops or patient is in 90s made stereo integrated amplifier this DUI can be used for all analog switches and potentiometers make sure you disconnect amplifier from electricity to make everyone safe and then let the go to fix something firstly we must get to the specified detail so let's unscrew all the screws take off the cover and find that criminal find a great input switch that must be cleaned put some paper on the switc