Schematics

A collection of links to circuit diagrams/schematics

Sinclair Branded Amstrad Computers

• Redrawn schematics in PDF format for the Spectrum +2A/+3, +2B, and +3B which fix several errors — based on the schematic from the Amstrad +2B/+3B Service Manual.
  • +2A/+3 (Z70830)
  • +2B (Z70833 ISSUE 1)
  • +2B (Z70833 ISSUE 2)
  • +3 (Z70835)

See for additional notes.

Timex Sinclair/Timex Computer

• Timex/Sinclair 2068 schematic from the Timex Computer Corporation technical reference manual for the 2068.
• SAMS Computerfacts Sinclair/Timex Model 2068 service manual.