ZX Spectrum 128K PinOut

RGB 128K+ / +2 grey

1: Compo AV
2: Ground
3: Bright
4: Compo Sync
5: Vertical Sync
6: Green
7: Red
8: Blue

RGB 128+2A / +3

1: +12V DC
2: Ground
3: Audio Out
4: Compo Sync
5: +12V DC
6: Green
7: Red
8: Blue

Power Supply 128+2A / +3


1,2: +5V DC
3,4: +12V DC
5: -12V DC
6: Ground