problem with keyboard ROLAND D-20

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Posted by camkid on December 23, 2002 at 20:08:42:

hi folks!

anyone know this problem?

my D-20 just makes grubmling noises, if i turn it on the display comes normal the first 10sec, but then its dark again and the keys have no function.
if i try to initialize the keyboard the display says "MAINBOARD ERROR"

any sollutions?????

pleas e-mail:

thanks, and merry x-mas!

greetings from vienna

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