Month: May 2023

…..Total overhaul. Ring Modulator & VCA – replace ICs, Transistors & rewire to 6V. Triple […]

…..WASP: Clean Filter pots for Freq, LFO Control, Env Control. Clean Pots for LFO Freq […]

….Replace JFETs 2N4303, NPN 2N3392 and Calibration of Envelope Generators 911. Replace NPN 2N3392 on […]

….Replace all Electrolytic Capacitors. Remount Transformer and Preset PCBs. Calibrate, Clean & Replace Speaker Pots. […]

….Complete overhaul of Power Supply Capacitors, Regulators & Diodes. Replace & Socket Battery. Replace burnt […]

….Full Service Including VCO Calibration, Pot Cleaning, 3x Keyboard Calibration. Faulty Sequencer: Replace & Socket […]

….Replace Lamps in Sequencer, Controller & CP-4. Replace Faulty H-101 Sequencer Buttons. Calibrate VCO Controllers […]

….Glue Broken Sequencer Manual Cap. Calibrate VCOs, Keyboard & Pitchbend. Calibration. Remove & Clean all […]

….Envelopes.

….Replace IC’s: Z80BCPU, Z80APIO, Z80 BSIO, Z80ADMA, Z80BCTC, ADC0809CCN. Wheel: Replace & Calibrate out of […]