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This was exactly the problem: missing solder on a resistor. To be fair, I didn't do that: the owner did and I missed it three times. Now the CRT has brightness flicker problems, but that's probably just bad caps under the cage (i.e. the ones that don't normally get replaced). Thank you very...

Thank you for the help. My recording equipment isn't as fancy as you think it is. ;) In addition, I can't run this machine for more than a couple of seconds, as I'm afraid it's pushing crazy voltages and is going to fry something. I have already checked the analog board with a magnifying glass...

I have a CC Analog Board in for repair. It no workie. Symptoms: Screen is BLAZING bright regardless of adjustments Retrace line is very visible No logic board chime Things done: @Branchus standard recap for this board. Had no effect (although it needed it) Checked silicons at DL5 and QL1 and...

The trick isn't the board really: it's the metal mounting plate and keycaps.

Sorry on the delay in reply! I have designed a replacement keyboard for the IIc. It was a commissioned project for @MacEffects. As I don't own the project, I can't provide an ETA. What I can say is that @MacEffects is having problems with production in China for obvious reasons. One big...

Hey Folks! Tonight at 7:00pm eastern I'm streaming the full build of my newest product: the Universal Video Adapter for Apple ///. Come watch and see what it's all about! UPDATE: if you want one, you can pick one up here: https://jcm-1.com/product/universal-video-adapter-for-apple3/

I've read that it's Pantone 421C or Pantone Cool Gray 2U - can anyone confirm that?

I did a little video of fixing an Atari 520 ST that had an unfortunate voltage mishap. Take a look and let me know if there's anything you would have done differently.

I was creating a home brew floppy cable for a Gotek. My adapter was bad. I just had to, ya know, wire it correctly. ;)

Nevermind. I may have sussed it out on my own.

Anyone know how to do it? I have an image file, but my gotek gives error 31 - invalid image file. Doesn't seem to matter where I get the image from. Thoughts?

Does anyone happen to have a working STAR Apple II clone that has the keyboard encoder chip C33106E DF-2100 on it? I have seen several of these fly by recently with non-working keyboard encoder chips and I would like to reverse engineer the chip. I have an already working encoder project...