exxos's Atari, Amiga & retro forum

How do you do fellow Amiga kids. :?

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May I ask the collective wisdom assembled about the results of this A500 keyboard test:


Does this look like a classic membrane problem? It seems to me, as there are more failed that working, that perhaps it's more likely to be the membrane-to-circuitboard interface, the circuit board itself, or perhaps something else of which I'm unaware.

I've been having a look at membrane layouts at https://github.com/solarmon/Amiga-Keyboard to see if there's anything obvious, but I'm not sure what version I have yet and haven't come up with anything conclusive yet.

Cheers,

BW

If you have a A1200 you can connect the keyboard membrane into the A500 keyboard controller to test.

(Once I finally get my A1200.net replacement keycaps/case this is what I am doing with an Arduino to create a USB A1200 keyboard for FPGA devices).

Higgy wrote: 31 Dec 2022 11:15 If you have a A1200 you can connect the keyboard membrane into the A500 keyboard controller to test.

Hi Higgy,

Thanks for that. As an Amiga noob, I don’t have any others to try, but in the end I tried buzzing out the membrane and found plenty of issues, so ordered another.

Cheers,

BW

The 'hard' membrane replacements are really good btw.

BennehBoy wrote: 06 Jan 2023 18:42 The 'hard' membrane replacements are really good btw.

Ah, damn. Was considering one of those! Went for a traditional membrane from Sell My Retro in the end. Will let you know how I get on. :)

BW