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Mend Concertmate 990 Push Button Stays

CONCERTMATE 990 KEYBOARD INSTRUMENT FIXIT?

I HAVE A CONCERTMATE 990 KEYBOARD I PUSH THE
ON BUTTON AND IT STAYS ON AND THEN CUTS OFF
THIS KYBRD WAS MADE CIRCA 1998 CAN THIS PROBLEM BE FIXED CANT FIND REPAIR FOR THIS
INSTRUMENT YET, IS THERE ANY?

JAY LANIER
April 2009
ConcertmateConcertmate 990Musical Instruments, PianosPush Button Stays
Sounds like a power supply issue. Either faulty connection or insufficient amperage etc.

Had the same problem... mine needed more "juice"

Averco
July 2009
when i push the on button, it doesn;t come on.

mac
April 2009

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Concertmate 990 Keyboard Repair - Help Needed