Schematics

CPC Classic Schematics

• System Schematics
• 
  Amstrad CPC464 (new)
• 
  Amstrad CPC464 (scan)
• 
  Amstrad CPC664 (main)
• 
  Amstrad CPC664 (disc)
• 
  Amstrad CPC6128 (main)
• 
  Amstrad CPC6128 (disc)
• 
  Disc And Cassette Schematics

1. HighRes scalable version of the CPC464 Schematics: 464SchematicRedraw_white.pdf

1. A full KiCad 6 schematic and pcb layout for the MC0020x CPC6128 boards (featuring the "new" gate array and 24-pin data separator IC) is available at https://github.com/pelrun/cpc-schematics

• Monitor Schematics
• 
  GT64
• 
  GT65
• 
  CTM640
• 
  CTM644

• Disk Drive Interface Schematics
• 
  DDI

CPC Plus Schematics

• Original Scans (high-resolution, with lots of blank space)
• 
  CPU Schematic
• 
  Asic Schematic
• 
  Video and Memory Schematic
• 
  Cassette Schematic

• Edited (lower resolution, less blank space, more concentrated info)
• 
  CPU Schematic
• 
  Asic Schematic
• 
  Video and Memory Schematic
• 
  Cassette Schematic

• Monitor Schematics
• 
  MM12 Schematic
• 
  CM14 Power And Sound Schematic
• 
  CM14 Video Schematic

GX4000 Schematics

• System Schematics
• 
  CPU Schematic
• 
  Asic Schematic
• 
  Video and Memory Schematic
• 
  RGB Conversion Schematic
• 
  Power Supply Schematic

• GX4000 - Edited version (lower resolution, less white space)
• 
  ASIC Schematic
• 
  CPU Video Memory
• 
  RGB and Power (PAL)
• 
  RGB and Power (French)

KC Compact Schematics (East German CPC clone)

• 
  CPU and I/O Schematic
• 
  Memory Schematic
• 
  Modulator Schematic
• 
  Video and Power Schematic
• 
  Block Diagram
• 
  Component Map (Mainboard)
• 
  Component Map (Modulator)

Aleste 520EX Schematics (Russian CPC clone)

• 
  Schematic 1/4
• 
  Schematic 2/4
• 
  Schematic 3/4
• 
  Schematic 4/4
• 
  Component Map

For reference, the original unedited schematics are here: Sheet 1, Sheet 2, Sheet 3, Sheet 4, and Component Map

Additional Hardware

• 3 1/2" & 5 1/4" Disk Drives (errr. no schematics here, no pinouts, nothing?)
• Peripherals (contains schematics - as far as any do exist)
• Joystick Y-cables (with schematics)
• TV Scart cable (with schematics)

• Note - Further schematics are found in the Service Manuals.

Datasheets

• Decoder 74LS145 datasheet
• MUX 74LS153 datasheet
• Data buffer 74LS244 datasheet
• Printer port latch 74LS273 datasheet
• Data latch/buffer 74LS373 datasheet
• 8-Analog multiplexer 74HC4051 datasheet