Category: Bench Project

….Envelopes.

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

…..SEMs CV/Gate/Filter retrofit.

……all new cinch card edge connectors & re-cap.

…..RAM, SCSI, Backlight upgrades. HxC & SCSI emulators.

…..rotary switches, portamento capacitor, square wave IC.

….Replace Battery, Replace all Capacitors, Replace all Regulators & Rectifier. Socket ICs 25-29 on CPU […]

……Replace Broken Selector Switches, Clean sliders, Clean Keyboard Buss Bar & Contacts, Replace VCO2 CA3046 […]

….Clean Battery Corrosion on 5V PCB & Re-populate. Rebuild PSU on Main PCB including Power […]

….Remove Y Waveform Generator Rotary Switch to fix full rotation. Re-Bush Keybed & Replace oversized […]