i have the same keyboard and mine done the same thing. i spoke with a fella locally who told me to keep it warm first, dry second and to stand the keyboard up (like laying on stand) keys down. worked for me. good luck. unfortunatley mine was struck by lightning last week :(
LUKE MILAN
April 2010
I can answer this question...
i have a ROLAND RD-150 with tow keys with no sound, can i fix it?