I’ve made a video series showing a repair/partial restoration I did for a customer’s Oberheim OB-Xa. In the first part, I show what’s wrong with this keyboard and rebuild the power supply and voice cards:
In the second part, I rebuild the Pratt-Read keyboard and change the bushings. I also repair a broken switch on the bender assembly:
And finally, I calibrate the power supply and voice cards:
I sell kits for everything I restored in this video (power supply, voice cards, and key bushings). If you’re not comfortable with a soldering iron, I can also perform these services for your synth, just drop me a line.