Erratic Button Switching from Failed 4016 IC. Socket & Replace bad 4016. Clean Synth / […]

Replaced Floppy with HxC. Install SCSI SD (BLUESCSI). New EL Panel Backlight.

….On Programmer PCB – 3x Caps, 3x LM324 Op-Amps, LM723 Rectifier, 3x IC Sockets, Transistor, […]

…..Noisy Pots. Disconnect 16pin Flatcable from Programmeur. Clean LFO Shape Switch. Repair Bad Trace to […]

….2600 – VCO 1 & NG not present at Filter, VCO 2 no CV, VCO […]

…..DOA Total restoration. Replace 2x Output Jack Sockets. 2x LM1458 on 436 board (OSC1 & […]

…..Clean corrosion damage on ‘C’ Board and replace damaged components. Drill out rusted screws for […]

….Replace noisy pots.

…..Fix right hand Sequencer advancing. Replace Capacitors, IC’s & Transistors on following circuits after burnout: […]

…..Replace Voice LED. Socket & VCA opamp. Replace burnt out VCF control circuit Transistors & […]