I appreciate it! That's a good forum. I took my keyboard to an authorized Kurzweil Service center today. I got the tech to open the keyboard because I thought my boot problem could be a loose connector. When he opened the back-we both could not find an unseated connector BUt we did find that some kind of work had been done previously. I am a very experienced electronic tech & have own Korgs, yamahas, and rolands-new & used.
As a class-I have never had any serious problems with synths. The only thing I know about Kurzweils is that they sound great but I have never heard too much about Kurzweils. I don't know if they can be buggy or unreliable. The previous work done whatever it is, just makes me a little nervous. My general experience with modern electronics is: if you have to fix a problem-that should be the end of it. But I do have that choice but I want to keep this insrument! But am I getting a lemon? I'm sure your friend would know for sure!