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I think the majority of the PSU components should be okay in the ultrasonic bath --it's a bit tricky to find quality ultrasonic cleaning information online, as unfortunately, most of it is junk. From what I've read, the main concern is damaging delicate MEMs components on much more modern PCBs...

Cool! I will have to give this a try at some point. :) I have a color Mac IIsi video card that I bought from eBay for $4 a couple of years ago, and I think I should be able to use it in my SE/30 with some modifications. Perhaps I can figure out a way to adapt the output video signals to my...

I think that you did a good job cleaning up this anode cap. All of my Macs have had degraded rubber anode caps and sooty CRTs like this. I always just cleaned up the mess with an isopropyl alcohol-soaked paper towel. After I remove the degraded rubber, the remaining (non-oily) material had...

Wow! Please explain how you did this! Are modifications to the game necessary?

To clarify, these are the logic board capacitors. The Macintosh SE and SE/30 share essentially the same analog board and PSU, both with leaky capacitors that must be replaced. I think that this could be a useful thing to try out. Mac OS9 is usually a lot more tolerant of Macintosh-related files...

I believe I read somewhere that the external metal part of these chargers isn't strictly necessary, and that some kind of headphone-jack connector can be used as a replacement part. I can't quite remember much more than this, and I don't even know if it is reliable information, but perhaps this...

No problem! Here are all of the pictures that I took while working on this project.

Briefly summarizing my original thread, I have been trying to find a way to display (non-Apple) retro video games on the Apple CRT monitors I already have. I started off (successfully) connecting a SNES to my IIgs monitor, and then attempted to (unsuccessfully) connect my Wii to my Macintosh II...

Darn! I had been meaning to buy one of these back when they cost $60. At $300 I guess now it does make sense financially to resume my over-budget battery rebuilding project. I'd been putting it off ever since the battery melting incident I described above, but there must be a way to complete...

I used the immersion method, and it caused much of the metallic paint on the inside of my IIsi to flake away. Personally, I don't mind that it went missing, but if you mind, I bet you could protect the inside of the case with some kind of clear-coat spray paint before retrobriting.

A question for analog board experts: What happens if you remove the flyback from the PCB for troubleshooting? Will the PSU still function normally without a flyback present? Maybe this could be a way to test if the voltages on the logic board return to normal without a flyback.

From what I can see in the photos you attached, the logic board just looks a bit dirty, but the analog board looks like it may have sustained more damage. The voltage reading you took provides some valuable information. I'm unsure whether you measured the voltage coming from the +5V rail or the...

Update: I have just purchased this LED upgrade kit for $18 on Amazon. Once I get a chance to try upgrading my laptop, I'll post my results. I also finally found a website where someone else completed this same modification on their own iBook G3 Clamshell. This is incredibly useful as it proves...

I have four of these LaCie PSUs. They are very prone to failure, and three of mine have already died. Perhaps they will make for good donors.

If I can successfully perform this same LED upgrade to my own junk PC laptop and iBook first, I would be interested in fixing your computer.

I have used both the Griffin iMate and the cheap (~$5) Arduino Pro Micro solution. Both work fine, but if you are handy with electronics, I would recommend going the DIY route, because it is equally functional to most other converters and also way cheaper. (a four-pack of Arduino Pro Micros...

While it's not extraordinary complex, I don't think that this would make for a great beginner project. It would require careful disassembly of the LCD panel, removal of the delicate mercury-laced CCFL tubes, soldering, understanding of how to replace an inverter circuit with an LED driver, and...

Another option is to use a replacement LCD panel from a slightly newer model of iBook. There is information available online about this modification, but the biggest advantage is that it provides a higher screen resolution, so that you can fit more on the display at once. Assuming the...

I believe that these SCSI chips are still available for sale from Mouser electronics --I bought one brand new last summer. https://www.mouser.com/ProductDetail/ZiLOG/Z53C8003VSG?qs=FsLZlD%252B%252Bd9cJEZW2nIhyXQ%3D%3D There is a datasheet PDF accessible through the link above --it should have...

Here are a few troubleshooting ideas I had: If not sure if this is a hardware problem, but in case it is software-related, maybe trying a different install of the OS could help rule this out? This would certainly be the fastest way to troubleshoot things. I recall that you have a power-hungry...