I repaired multiple Yamaha Clavinovas with separating hammer strike felts this week. It’s interesting how these repairs seem to come in groups! This is an issue commonly seen in Clavinovas from the late 2000s, and it affects a wide variety of models. Usually customers complain of either a noisy action or a heavy, uneven feel, … Read more
Yamaha P-121 with Key that Doesn’t Play Two of the most common issues I encounter are keys that either don’t play at all, or play at full volume. Contact issues are, invariably, the cause of these issues. There are two parts involved in making proper contact: The rubber contact strips, which move and compress as … Read more
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
I’d like to post some work notes every week, discussing interesting jobs I’ve worked on in the local area. This week I had some gems, including a magnetic pedal sensor in a Kurzweil Mark 150, blown speakers in a Baldwin MCX-88, and a key contact repair in a CLP-175. Adding PianoStream to Mark II Disklaviers … Read more