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My Kurzweil ensemble grande mark III, purchased in 1990, has suddenly stopped working. When I switch on, there are no words in the readout and keys make no sound. What should I do?

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I had the same problem with the same piano. Your switch has gone bad so replace the on/off switch. Unplug the piano. Pry the on/off switch out with a thin blade screwdriver. With the switch in the "on" position, see if it points to the grey or brown wire & label the wire "on". Cut the wires and bring the switch to a good electronics parts store and ask for a replacement. Install & you're back in business. Or get a handyman to do it for you.

Posted on Apr 28, 2011

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