Fran,
I can only cite my own experiences with Yamaha PSR products.
As per what Diki said, I do treat my instruments with great care and respect.
BTW, I had a PSR-2000 before I had the 3k....same scenario...no problems.
Maybe things are different at Roland?
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.