Electronic Repair

Roland Jupiter-8 repairs and modifications. Work performed: Replaced 100V transformer with 120V, replaced PSU electrolytic capacitors and power transistors, replaced CPU electrolytic capacitors, changed battery, loaded factory sounds. Installed Kenton MIDI. Cleaned all panel controls and replaced dust gaskets on faders and switches. Cleaned tarnished molex connectors inside synthesizer. Fixed VCO envelope modulation on voices 5-8, fixed Envelope 2 Release. Fixed damage on a 40 pin ribbon cable. Full calibration of synthesizer.