Disklavier

Hi Mark,

I am contacting our engineers in Japan today to report what you and Julien have reported.

Bill

Bill Brandom
Senior Technical Manager
Keyboard Division
Yamaha Corporation of America
bbrandom@...
714-522-9417
________________________________________
From: disklavier@yahoogroups.com [disklavier@yahoogroups.com] On Behalf Of mjburby [mark.burby@...]
Sent: Wednesday, March 24, 2010 3:55 PM
To: disklavier@yahoogroups.com
Subject: [disklavier] Re: Bug in Version 4 for MARK IV ?

I'm not sure if this is due to the v4.0 upgrade but I'm also experiencing more 'glitches' with the piano since then:

1) Occassionally in quiet mode, the speakers do not produce any sound, and neither do the headphones

2) Some of the smartkey songs (my children's favourites - Alphabet song and Old MacDonald) do not play properly anymore - they don't wait for the middle c to be pressed before continuing. Other smartkey songs work normally. Problem seems to have started ever since I made a shortcut for them and started playing them via the iPhone application.

Now our beloved DKV is sadly not immune to having an occassional funny turn and invariably shutting down and restarting the piano has always resolved many of these odd behaviours. Whereas for 1) rebooting the piano tends to resolve the issue, I haven't found a fix for 2). I don't know if this is due to the firmware upgrade, but it sounds like a pattern is forming with issues with Quiet mode - which these demos also employ. I guess issue 2) would be less commonly experienced.

Would be good to hear if other 4.0 users are experiencing similar problems. In the meantime, I've contacted my dealer and he's following up with Yamaha.

Mark




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