Work Notes: Corroded Sliders, Broken Jacks, and Phantom Buzzes

Volume Slider Corrosion on Korg A customer reported that no sound was coming from his Korg Triton and that the volume slider had snapped off. Liquid had clearly been spilled directly onto the fader, but—fortunately—the corrosion was confined to the slider assembly itself. Be careful! Spilled drinks can severely damage keyboards. I regularly am repairing … Read more

Micro-Mark HYBRO 400 Power Driver

When it comes to digital piano repairs, especially on Yamaha’s P series models, one thing’s for sure—there are a lot of screws. To open the plastic shell of a Yamaha P series digital keyboard, there are no fewer than sixty screws. And it can easily reach down between the hammers to unscrew the keyboard assembly … Read more

Nord Electro 3 Fuse Replacement and Voltage Change

In 2022, I had a customer ask me how to change the voltage on his Nord Electro 3 from North American to European. I made this brief write-up to help him. This also includes how to replace the Electro 3’s fuse. If you’re a world traveler, this might be worth printing out and keeping in … Read more