Bill,

If I recall, all four buttons are on a single strip PC board and easily replaced. You may want to give Steve Demming a call at (714)522-9000 and check on the part and it's availability. If it is immediately available, you could order the part and have it ready for your local repair guy, thus eliminating much of the time your keyboard sits in the shop.

Good Luck,

Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)