KEYBOARD MEMBRANE REPLACEMENT PCB FOR AMIGA-500
KEYBOARD MEMBRANE REPLACEMENT PCB FOR AMIGA 500
Replacement for MITSUMI 56 A619A and MITSUMI (E) 56 A619B membranes. Other models are not supported.
Hello,
This is a tested PCB (REV.04)
Before paying for PCBs, be sure to update your orders to the latest revision.
Layers : 2 Layers PCB
Size : 134.9 x 441 mm
Material : FR-4
Thickness : 0.6 mm
Surface Finish : Immersion gold
Make sure your keyboard membrane is defective before ordering this PCB. Sometimes the problem is the conductive rubbers under the keys, and you can easily fix this with a soft 4B pencil. You only need to completely scribble the conductive rubber itself and the membrane's pads with a 4B pencil.
With the connector locking system in the unlocked position, gently push the PCB into the connector. You may need to shake the PCB a little if it's having trouble getting in. Next, tighten all the screws of the keyboard. Finally, close the lock of the connector by pushing it slowly with the help of a flat screwdriver.
If there are keys that do not work, clean all the contacts on the PCB (including connector part) and the conductive rubber contacts under the keys. You can use a sand eraser or an ink eraser to clean the PCB pads. And you can scribble the PCB pads with a 4B pencil to increase conductivity.
Do not rush and be careful while following all these procedures, ask for help from a knowledgeable person at a point you need asistance.
For testing Amiga keyboard, you can download the "Amiga Test Kit" ADF disk image from this link.
https://github.com/keirf/Amiga-Stuff . Many thanks to Keir Fraser (keirf)
Gerber files can be changed at any time. Before paying for the PCBs, be sure to update your orders!
Use this PCB at your own risk !
Have fun
Thank you.
Thanks to Ozgür Dereli for this video
Many thanks to Leon Anavi for this video
KEYBOARD MEMBRANE REPLACEMENT PCB FOR AMIGA-500
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.

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Perdón por no poder compartir los archivos gerber. PCBWay apoya a los aficionados a la electrónica. Yo también me beneficio de este apoyo para nuevos proyectos y me gustaría contribuir a esta aplicación de PCBway. Me gustaría que supieras que la calidad de impresión de PCBway es muy superior y libre de errores en comparación con otros competidores. Gracias por preguntar, perdón por no poder dar una respuesta positiva. Un cordial saludo.
Yes. You can order and sell as many as you want. The more you order, the lower the price per piece. Thank you.
Thank you!
Hello Dale. I cannot change the thickness parameter. If you contact PCBway.com regarding this change for your own order, I hope they can help you. By the way, choosing 0.4 mm thickness is much more expensive than 0.6 mm thickness. Thanks for asking.
Thanks for your reply - your suggestion worked - for anyone else wanting 0.4mm asking PCBWay in the notes worked for me. As you say the cost is approximately double. Thanks again!
Hello Luigi, no, it is not my project. I don't have an active GitHub account. Thanks for asking.
Why don't you check it? Maybe you could fork it and create a new PCB A600 keyboard. https://github.com/arananet/A600KB-PCBMembrane
Thank you Luigi. @arananet had already made a project for the A600 keyboard membrane. Is there a problem with his project? Do I need to draw another A600 membrane? I don't know.
I have just found it! Thanks a lot. I am not aware of any problem with the A600 PCB by @arananet.
If you experience any problem with it, can you please inform me? Thank you. c64istanbul@gmail.com
Hello RetroNinjaNet, 1) This PCB is 0.6mm thick, no need edge connector. default "NO" is ok. 2) Gerber file A-500KBMEM...92 - CADCAM.ZIP is the latest version. Thank you for asking.
Hello, C=64 / VIC-20 keyboard PCB is not easily damaged so I didn't need to draw it. but I made a mini keyboard project compatible with C=64 / VIC-20 keyboard.
https://www.pcbway.com/project/shareproject/COMMODORE_64_TACTILE_BUTTON_MINI_KEYBOARD_ac888784.html
Thank you.
Thank you.
Hi. Thank you so much. I prepared a similar PCB for the A1200. I'm currently testing prototypes. I'll share it on PCBway after passing all tests. Thank you for asking.
hi, thanks for the quick reply, and many thanks for the great information. :) I'm looking forward to the pcb for the A1200. :)
https://www.pcbway.com/project/shareproject/AMIGA_1200_KEYBOARD_MEMBRANE_REPLACEMENT_FFC_VERSION_0299903a.html
https://www.pcbway.com/project/shareproject/AMIGA_1200_KEYBOARD_MEMBRANE_REPLACEMENT_IDC_VERSION_2b871e41.html
thanx!!!!! :D
Sorry for not being able to share the gerber files. PCBWay supports amateur electronics enthusiasts. I also benefit from this support for new projects and would like to contribute to this application of PCBway. I would like you to know that the printing quality of PCBway is much superior and error-free compared to other competitors. Thank you for asking, sorry for not being able to give a positive answer. Kind regards.
No. You don't need to select the edge connector, the PCB thickness is only 0.6mm. Thank you for asking.
Hello, I think I understand your concern. Most of the A500 keyboard connectors are white in colour. (Like A1200 keyboard membrane connector) This PCB fits both black and white membrane connectors, but with white connectors you need to be more careful, do it very slowly and carefully and never push too hard. With the fully unlocked position, gently push the PCB into the connector. Thank you very much for asking.
Thank you very much :)
It's your money and your choice. Sordan is a reputable seller. Thank you. Have you watched this video? https://youtu.be/xaEMEMi8ypI
Hi, I mean; Only I can replace gerbers, no one else. Sorry I don't share gerbers online. This membrane is compatible with some other languages like German keyboard. If you e-mail me the details of the problem, I will try to help. Thank you. c64istanbul@gmail.com
If your Brazilian A500 keyboard membrane is MITSUMI 56 A619A or MITSUMI (E) 56 A619B, this will fit perfectly.
Thank you :)