via this auction, also on Reverb

Power supply rebuild – new capacitors, trimmers, upgraded bridge rectifiers
All tantalum capacitors replaced – All failure prone tantalum capacitors replaced throughout the entire synth
Voice cards serviced – All polarized capacitors and trimmers replaced, voice cards calibrated
Keybed refurbished – new bushings, keys ultrasonically cleaned, bus bars and j-wires cleaned and adjusted
Many connectors replaced
Factory patches loaded
There are a fair amount of scratches on the paint–see photos for details. This is the final revision of OB-X which includes the Oberheim Computer Interface for connecting a DSX sequencer. All voice cards are original, no counterfeit or clone cards are in this synth."