ZX Spectrum +3 - Z70830 ISSUE 1 Motherboard

Component names from the +2A/+3 Schematic.

A wire link is made between IC14 Pin 1 and IC20 Pin 13 on the solder side of the board.

R38 and C51 are soldered on the copper side of the board.

D36, D37, and D38 are soldered on the copper side of the board.

C52 is soldered on the copper side of the board.

ZX Spectrum +2B - Z70833 ISSUE 1 Motherboard

Component names from the +2B ISSUE 1 Schematic

TBC

ZX Spectrum +2B - Z70833 ISSUE 2 Motherboard

Component names from the +2B ISSUE 2 Schematic

TBC