Every C# with each of four half steps descending makes loud noise.
Every F# with each of two half steps ascending makes loud noise
Otherwise, all of the notes work well. Any ideas on repair?
This could be a combination between bad rubber contacts, corroded contact circuit boards (MK) or maybe one of the connecting cables
I just wanted to post to let the forum know that I found the problem. A previous technician had taken the keyboard assembly apart and reinstalled the rubber strip backwards. The rubber keystrip was original to the piano, so I ordered a new one from Syntaur and it worked great.
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