Category: Bench Project

…..Replace 2n2904 Transistor, replace Electrolytic Cap, Socket & replace 741 opamps, replace LDRs, replace light […]

…..Broken keys, faulty TOG IC, 4066 IC.

…..complete overhaul – PSU, Backlight, HxC Floppy & SCSI emulators.

…… Repair Modstick, diagnose faulty CPU functions. Clean wire connector leakage, Test Voice Board, repair […]

…….Mid Tom only attack portion of voice present. Clean noisy pots.

……Complete servicing of keyboard & cabinet modules: 950 Keyboard: Replace rogue Env components with capacitors. […]

…..unresponsive pots, battery leakage, install midi retrofit.

………No Waveform Gen Y Square Wave. No OSC A Sawtooth. No OSC B. No Ringmod. […]

……..shorted PSU, retrofit CV/Gate modification.

………panel Filter Cut Off control unresponsive! bad 4558 opamp.