>So what you're telling me is that there is >nothing proprietary or non-available on that KAS card? > >
Not quite. Take a look at the big white chips here: http://www.therogoffs.com/cs80/CS80%20007.html One is the custom Yamaha keyboard scanner and the other is the custom Yamaha DAC (digital/analog converter). However, if you've just got tracking issues I doubt these chip are bad.