lexicon mx 200 preset knob frozen preset knob numbers scramble and does not work If unt was dropped, look for broken PC board in the vicinity of the rotary encoder. Also look at solder ...
I have a Korg concert piano model c-303. have had it since 1995. Never a problem until a year or so ago. When you turn the power switch on, sometimes it comes on for a while, but then off again. I'm ...
Question about Roland Music
No sound on a Roland model KR-4700. All 4 fuses inside are ok. Do you have an owner's manual......first thing to try would be a factory reset...sometimes this will un-scramble the operating system and
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