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Last modified on 2 October 2025, at 06:22

Difference between revisions of "Schematics"
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<gallery caption="System Schematics">
 
<gallery caption="System Schematics">
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File:Schaltplan_cpc_464.jpg|Amstrad CPC464
+
File:464Schematic_new.png|Amstrad CPC464 (new)
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File:CPC664_Schematic.png|Amstrad CPC664
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File:Schaltplan_cpc_464.jpg|Amstrad CPC464 (scan)
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File:CPC6128_Schematic.png|Amstrad CPC6128
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File:CPC664_Schematic.png|Amstrad CPC664 (main)
 +
File:CPC664 Disk Interface Schematic.png|Amstrad CPC664 (disc)
 +
File:CPC6128_Schematic.png|Amstrad CPC6128 (main)
 +
File:CPC6128 Disk Interface Schematic.png|Amstrad CPC6128 (disc)
 +
File:CPC_Disc_Cassette_Schematic.gif|Disc And Cassette Schematics
 
</gallery>
 
</gallery>
 +
 +
# Important: There are several versions of the 464 and 6128 motherboards with more or less different schematics. Make sure to check the service manuals for your specific motherboard version if you recognize a difference.
 +
# HighRes scalable version of the CPC464 Schematics: [[Media:464SchematicRedraw_white.pdf|464SchematicRedraw_white.pdf]]
 +
# 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
  
 
<gallery caption="Monitor Schematics">
 
<gallery caption="Monitor Schematics">
 
File:GT64_Schematic.png|GT64
 
File:GT64_Schematic.png|GT64
 +
File:GT65_Schematic.png|GT65
 
File:CTM640_Schematic.png|CTM640
 
File:CTM640_Schematic.png|CTM640
 +
File:CTM644_Schematic.png|CTM644
 
</gallery>
 
</gallery>
  
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== CPC Plus Schematics ==
 
== CPC Plus Schematics ==
  
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<gallery caption="Original Scans (high-resolution, with lots of blank space">
+
<gallery caption="Original Scans (high-resolution, with lots of blank space)">
 
File:CPC_Plus_CPU_Schematic.jpg|CPU Schematic
 
File:CPC_Plus_CPU_Schematic.jpg|CPU Schematic
 
File:CPC_Plus_Asic_Schematic.GIF|Asic Schematic
 
File:CPC_Plus_Asic_Schematic.GIF|Asic Schematic
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File:Edited CPC_Plus_Vid_Mem_Schematic.gif|Video and Memory Schematic
 
File:Edited CPC_Plus_Vid_Mem_Schematic.gif|Video and Memory Schematic
 
File:Edited CPC_Plus_Cassette_Schematic.gif|Cassette Schematic
 
File:Edited CPC_Plus_Cassette_Schematic.gif|Cassette Schematic
 +
</gallery>
 +
 +
<gallery caption="Monitor Schematics">
 +
File:MM12_Schematic.gif|MM12 Schematic
 +
File:CM14_Power_Sound_Schematic.gif|CM14 Power And Sound Schematic
 +
File:CM14_Video_Schematic.gif|CM14 Video Schematic
 +
</gallery>
 +
 +
== GX4000 Schematics ==
 +
 +
<gallery caption="System Schematics">
 +
File:GX4000_CPU_Schematic.png|CPU Schematic
 +
File:GX4000_ASIC_Schematic.png|Asic Schematic
 +
File:GX4000_Memory_Video_Schematic.png|Video and Memory Schematic
 +
File:GX4000_RGB_Schematic.png|RGB Conversion Schematic
 +
File:GX4000_Power_Schematic.png|Power Supply Schematic
 +
</gallery>
 +
 +
<gallery caption="GX4000 - Edited version (lower resolution, less white space)">
 +
File:Edited GX4000 ASIC Schematic.gif|ASIC Schematic
 +
File:Edited GX4000 Vid Mem Cpu Schematic.gif|CPU Video Memory
 +
File:Edited GX4000 RGB Power Schematic.gif|RGB and Power (PAL)
 +
File:Edited GX4000 French Schematic.gif|RGB and Power (French)
 +
 
</gallery>
 
</gallery>
  
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File:Kcc component map modulator.gif|Component Map (Modulator)
 
File:Kcc component map modulator.gif|Component Map (Modulator)
 
</gallery>
 
</gallery>
 +
 +
== Aleste 520EX Schematics (Russian CPC clone) ==
 +
 +
<gallery>
 +
File:Aleste-Schematic1.gif|Schematic 1/4
 +
File:Aleste-Schematic2.gif|Schematic 2/4
 +
File:Aleste-Schematic3.gif|Schematic 3/4
 +
File:Aleste-Schematic4.gif|Schematic 4/4
 +
File:Aleste-Component-Map.gif|Component Map
 +
</gallery>
 +
 +
For reference, the original '''unedited''' schematics are here:
 +
[[Media:Black-Aleste-Schematic1.gif|Sheet 1]],
 +
[[Media:Black-Aleste-Schematic2.gif|Sheet 2]],
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[[Media:Black-Aleste-Schematic3.gif|Sheet 3]],
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[[Media:Black-Aleste-Schematic4.gif|Sheet 4]], and
 +
[[Media:Black-Aleste-Component-Map.gif|Component Map]]
  
 
== Additional Hardware ==
 
== Additional Hardware ==
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* '''Note''' - Further schematics are found in the [[Service Manuals]].
 
* '''Note''' - Further schematics are found in the [[Service Manuals]].
  
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[[Category:Hardware]][[Category:CPC Internal Components]]
+
== Datasheets ==
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* [[media:BCD to Decimal Decoders HD74LS145.pdf|Decoder 74LS145 datasheet]]
 +
* [[media:Line to 1-Line Data Selectors-Multiplexers x2 HD74LS153.pdf|MUX 74LS153 datasheet]]
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* [[media:Buffers Lines Drivers-Receivers x8 HD74LS244.pdf|Data buffer 74LS244 datasheet]]
 +
* [[media:Gates Flip-Flops x8 HD74LS273.pdf|Printer port latch 74LS273 datasheet]]
 +
* [[media:D-type Transparent Latches x8 HD74LS373.pdf|Data latch/buffer 74LS373 datasheet]]
 +
* [[media:MC74HC4051 datasheet.pdf|8-Analog multiplexer 74HC4051 datasheet]]
 +
 
 +
[[Category:Hardware| ]][[Category:CPC Internal Components| ]][[Category:Amstrad CPC media]][[Category:Picture Gallery]][[Category:Electronic Component| ]][[Category:Clones|*]][[Category:CPC Plus|*]]

Latest revision as of 06:22, 2 October 2025

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. Important: There are several versions of the 464 and 6128 motherboards with more or less different schematics. Make sure to check the service manuals for your specific motherboard version if you recognize a difference.
  2. HighRes scalable version of the CPC464 Schematics: 464SchematicRedraw_white.pdf
  3. 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

Datasheets