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Malfunctioning Mark III controller

2017-06-21 by daveproberts@...

After years of trouble-free use, my Mark III controller has suddenly crapped out. It might have been due to a power surge as the power went out last night and I had the piano plugged directly into a wall outlet instead of a surge protector.


The controller no longer plays CDs (the screen goes blank when the CD player light flashes) and it no longer plays the piano keys. It does still play floppies, which can be heard through the internal tone generator. But not on the default channel 1. I have to switch to channel 2 or another number for the left channel. If the right channel is changed to channel 1, the sound disappears. It seems like it still can record my playing, but it doesn't generate any tones on playback, not even when I switch to channel 2.


So for now I can still play tunes through the tone generator with the floppies and through my iPad by mapping the Sweet Midi Player channel 1 to channel 2. But my guess is that I'm out of luck for anything else -- unless anyone has suggestions.


I guess I'll have to live with it as is, or spend $1,500 for a DKC850, assuming they're still making them But my concern is that it might not even work if there's been some other damage to the key sensoring mechanism.


Anyone have any thoughts?

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