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Well, I have an old Yamaha Calvinova piano, and the black keys stick down. At first it was only the b flat key. If I pressed it it wouldn't come back up. However, now many of the keys are doing this, and it's becoming a real problem. Is there anything to fix this problem?

Yamaha does have a silent recall on many of the Clavinova digital pianos that have this problem. If it falls within a certain serial number range the problem is covered even if the warranty is up.

It's a known problem.

If it qualifies Yamaha will replace the entire action. We've replaced a number of the actions.

We have our own in house electronic technicians which is why I'm aware of this. Check with the dealer you bought it from - typically they use an outside service company. If that doesn't get anywhere call Yamaha directly. Make sure you have the model and serial number of the Clavinova.

Yamaha's main # is 1-714-522-901.

That # is 1-714-522-9011

Thank you very much!