Clark, Contact Ron Giesbrecht, National service manger for Yamaha Canada. He's the expert! rgiesbrecht@yamaha.ca ----- Original Message ----- From: <Clarks11628@AOL.COM> To: <pianotech@ptg.org> Sent: Thursday, August 03, 2000 5:52 PM Subject: Puzzler > Dear List, > I have a puzzler for anyone out there who is familiar with the new Mark > III Yamaha Disklavier pianos. We got a new DGH1BA MkIII in the other day, > and the first thing we noticed, after I tuned it was that the keys were > bouncing all over the place upon playback. After tightening the screws, and > bedding the keyframe, doing some minor regulation, everything seemed pretty > OK (which most Yamaha pianos seem to come in at least pretty Ok), I performed > Soft and Loud pedal measurement. The answer was, pass, adjust loud pedal. > After setting the loud pedal to the specs, it still said to adjust loud > pedal. Then I did Keyboard measurement, and came up with a lot of keys with > pass numbers, almost all of which were pedal numbers (18,28,38) in both pedal > phases. > I went in and adjusted the pedals again today, and when you get the > bottom measurements to spec, the top doesn't work properly (bad lift, timing > is wrong). When you get the top working as it should, the measurements are > way off spec. > To top it all off, I noticed a "clicking" sound when keyboard measurement > was going on, and I found a solenoid laying across some other solenoids, way > out of place. > Any ideas out there, all you Yamaha experts? I need help, and Yamaha > didn't call me back in time today (although I'm sure they will). > > Clark Sprague > Associate Member > Detroit >
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