Schematics / Schematics / By Greg Acorn Acorn BBC BBC BBC Plus BBC Master Commodore VIC-20 64 128 Plus 4 PET Spectrum ZX Spectrum ZX 81 Issue 1 ZX 80 Apple Apple II and II+ Apple IIc Apple IIgs Apple IIe Macintosh Macintosh TDK 699-0153 Power Supply MacDat Schematic Archive Atari Atari 2600 Atari 7800 Atari XEgs Atari 130XE Atari 800XL Oric Oric-1