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Yes if you don't mind running a couple of patches :) Drop me a PM if your intrested

Pins 3 and 4 are both connected to a internal +8V plane in the board so bridging the is fine, they don't need to connected to anything else first

Yep the schematic is correct, both pin 3 and 4 should be connected to +8V. I'm guessing the via right next to pin 3 has rotted out form cap goop

Unfortunately not, I'm not made of money! :) That's correct, the CC is LCII based and the CCII is LCIII based so the same method I used on the LCIII would not work on the CC Me and @mg.man did muse doing the same thing on the CCII but found the CC chassis lacks appropriate clearance form my...

I have a bunch of those, if you drop me a PM I can get some sent your way :)

Now i'm no expert but I think that one might have a bad '030 too......

https://github.com/max234252/MacLC-Reloaded/blob/main/LC_Schematics/PDF/LC_Schematics-V1.1A.pdf There are a few errors in that I need to fix, most notably i'm pretty sure the pins on the serial ports are connected in the wrong order but other than that it's should be 99.9% correct :) there are...

Yep that board had a bad '030 I also killed your other board in the US after fixing it, in tHat case it was one of the VRAM ic's that filed Chip damage in the ultrasonic is rare, but I have seen it twice, both with your SE/30 boards.....

Have you tried the drive in another mac? My Plus dose this (And according to my dad has done it intermittently since the late 80's) we always assumed the drive was bad however I later found it worked fine in another mac. Both the drive and cable are original to the plus which suggests this is a...

The classic was @Kai Robinson's project, I did however do the LC: https://github.com/max234252/MacLC-Reloaded (That has boat a Traced board layout done in sprint and a schematic done in KiCad. One day i'll get around to redrawing the board in KiCad too) The LC and CII do both have 3 "connected"...

It's that time of year again!

Ahh interesting - I know exactly the one you are talking about and was unaware that the maths in that had been disproved I have made that mistake before on another PSU and can confirm it is NOT fun! Don't go poking heatsinks in PSU's! This is also very true, even if it may not be *that*...

I don't want to turn this into argument of opinions here but my understanding is that the HV output of a small black and white CRT would not normally be enough to kill or injure someone. Yes the voltage is high but the current is very low (a handful of ma from what I understand) and given this...