Amiga A1200/A500 Keyboard Membrane Replacement PCB

Fabrication

IMPORTANT!!!

For PCB fabrication, use:

• PCB Thickness: 0.4mm
• Surface Finish: ENIG

For use with A500

• Compatible with original Mitsumi A619A (Large ENTER key) and A619B (Small ENTER key) membranes.
• NOT Compatible with: Original Samsung 312502-12 (dual) membranes.
• Note: Remove the snap-away connector (used for A1200)

For use with A1200

• Compatible with original Mitsumi 56C774A
• Note: Use the snap-away connector

• Additional components required:

• FFC Connector (x2):
• 32 pins, 1mm pitch, bottom contact

• FFC cable (x1):
• 32 pins, 1mm pitch, same side (forward direction) contacts, 100mm

Disclaimer

The information, design files, schematics, and code provided in this project are for educational and informational purposes only. They are provided "as is" without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose, or non-infringement.

Risk of Use: Electronics projects involve inherent risks, including electrical shock, short circuits, component damage, or fire. You are solely responsible for verifying the accuracy, safety, and compatibility of all components and assembly instructions prior to fabrication or use.

Liability Limit: Neither the author nor PCBWay shall be liable for any direct, indirect, incidental, special, or consequential damages arising out of the use or inability to use the files, designs, or physical hardware produced from this project.

Compliance & Safety: It is your responsibility to ensure that any physical build complies with local electrical safety regulations and electromagnetic interference (EMI) standards.