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I got magnetic wire and did a quick and dirty bodge-wiring, had to repair the Up-Key because the metal was bent and now it's working again :) Due to rust I have to desolder the whole keyboard soon and derust it anyways, then I see if I can maybe create a new PCB. Thanks a lot!

Yep, underneath there is nothing. Scraped away, checked for continuity - there absolutely gone

Hi guys! I own an Apple III for a few months now and started restoring it. Unfortunately it seems, that someone had spilled something over the keyboard decades ago and the liquid collected underneath the PCB assembly for the arrow keys. The traces are absolutely gone, there is no continuity...

Where are you from?

Which one is the sound chip? The U1 (MC34119) or U4 (DFAC)? I don't get sound on my Classic II after cleaning and recapping the Logic and Analog Board. Checked the traces already, the seem fine. External speakers doesn't work, too. Edit: okay, looking further on Google and it seems to be the...

Hm. I can maybe ask in the German community or I’ll do it myself 🤣

What about making a bunch of them for/in Europe and sell them here? I‘m interested too.

I think it could be the Audio circuit - I replaced the PSU of one of my S900's with an ATX power supply and I have issues with the sound, the S900 with the stock PSU works fine. I could try swapping them and check the audio. PCI is working fine.

Hey, I got two S900s a few months ago and also had issues with the PSU of one unit. Swapped them around, but one PSU was dead. So I've did this ATX conversion and the colors of the three-pin connector didn't match too, but with a little bit fiddling around (and find out, that maybe not the PSU...

That's the pinout I've used, but my S900 has a slightly different pinout - my J26 connector don't have a purple wire, just a red one for example. I think I try to get an old-style ATX PSU on eBay and try it with it, because I've used a modern one.

SCSI doesn't work properly, I've tried it. I get a Happy Mac but it's not going any further. I get the chime and the screen comes up and then it sticks on the Happy Mac. I can't use the power button on the Umax, I have to touch the Ground- and the Power On-Cable to get the computer started...

Hello together, I've got two Umax S900 a few weeks ago, one with a faulty power supply. Tried to it, but it still doesn't power on. I've found a website with ATX conversion for the Umax S900, but the new ATX style PSU's don't have the -5v rail and there are no adapters with the third...