Hi , Just got my hands on a SR-JV80-08 expansion board (Keyboards of the 60's and 70s) and installed it into my JV80 synth. Nowhere in the manual can I find exactly how to use it. Roland's online manual of the expansion board itself doesn't help me either. This is what I've figured out so far by jus...

Hi, Just got my hands on an old Roland JV80. Everything seems to work OK except if I try to access any of the internal voices starting with the letter "I ", I get an error message that says "Internal RAM read error". I can access the "A" or "B" pre-set voices no problem. The manual is no help other ...