Kurzweil 900MX Pt. 4
Well, I’ve managed to sort out the cause of the noise. I swapped over the Op Amp chips and the noise practically disappeared. So I imagine one of them must…
Tag: Kurzweil
Kurzweil 900MX Pt. 3
Finally, some progress! I replaced the relay, but this didn’t seem to make any difference. Next, I replaced the nearby capacitors (quite a tricky job on a 30 year old…
Kurzweil 900 MX Pt. 2
Well, it was a bit of a battle, but I finally have a working display for the Kurzweil! The removal and replacement of the LCD itself wasn’t too difficult, but…
Kurzweil 900 MX Pt. 1
Picked up what I hope will be a bit of a bargain on eBay, the Kurzweil 900 MX MicroExpander. There’s not a lot of information out there, but I believe…