A collection of links to circuit diagrams/schematics
Sinclair Research Computers
Sinclair Branded Amstrad Computers
- Spectrum +2A/+3 schematic scan of the original Amstrad Service Manual Schematic (worldofspectrum.org) Contains several scanning errors and original errors carried forward.
- Redrawn Spectrum +2A/+3 schematic (worldofspectrum.org) Schematic Redrawn 26/05/2011 fixing several errors - based on the schematic from the Amstrad +2B/+3B Service Manual
- Redrawn Spectrum +2B schematic (worldofspectrum.org) Schematic Redrawn 27/02/2011 - based on the schematic from the Amstrad +2B/+3B Service Manual