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Missing a TAB key from my Commodore PET. My googlefu search turns up nothing. Looks like replacement keys are impossbile to find. :( Has anyone thought about 3D printing replacements? Colour will probably be way off and missing lettering but it's better than a missing key? Not finding any 3D...

One of my long term projects under way is to build a PET Universal Dynamic main board from scratch. Yes you read that right. Call me mad but I've done a replica main board and now need to assemble and test. I've got a frankenstein 8032 computer (obviously not working and never will) with a...

I'm busy with a project to, as close as possible, recreate the PCB layout from scratch for the Commodore PET Universal 8032086. About 95% completed and have been using the schematic diagrams and hi-res pics of the motherboards to re-create the PCB layout. During the reverse engineer I've...

Finally got my hands on a PET 8032-32B from a friend. He got it from someone else many years ago and from what I've been told it was last working but alas it's dead as a doornail now so am trying to revive it. Before I go down the rabbit hole of troubleshooting, I'm new to the PET world (But...

Got a TSR-80 from a friend that had it sitting in his loft for years. Been repairing Speccy's/Commodore for ages and thought it's time I tried out the TRS. Before trying to work out why it's dead I inspected the motherboard and found a mod PCB wired up. Not sure if this is factory fitted or...

I got my hands on a IBM 5160 64-256k but unfortunately it's dead. After a few weeks of trying to repair the power supply I've put it on hold and used a modern ATX power supply with a XT converter. First issue I came across is the tantalum issue. I've checked the 12V and -12V rails and no...

I've got a IBM 5160 machne that's been sitting in storage and trying to get going. Applied power and no sign of life except the spinning fan. I've read up all about the tantalam caps issue on these boards but this is not the case. The power supply is a schrack which from what I've read may...

I've got a faulty Apple Disk Drive II which i have been trying to repair. The logic/speed controller boards are all ok, and it turns out the RW coil is open circuit :cry: Looking around on the internet these things look like they are impossible to find. Anyone had any luck finding a source...