Squeak, is this a mucanical buzz off of the key it's self or is it coming thru the speakers? My old PSR510 developed a buzz when you slide your finger of a key. I had to replace a pad that was suppose to catch the key as it came flying up! It was plastic hiting plastic, & it was doing it on just a few keys.
Couldn't be something this couldn't.
Squeak, I know that you will love your 2000 I know I do. I don't try to play for the bucks anymore. But I did for about 35 years.
Most of that time on a guitar!
Take Care,
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Nobby
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Nobby