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I made this myself - quickly - and it may have errors. There are some caps not called out here - specifically under the shielding and behind the flyback, but I've never seen these caps fail. And, usually, I only replace the larger ones 100uf and larger (squared in red). Comments: 1. One of...

I've been following your project closely with much anticipation! I am selling my stockpile of PowerBook Duos (keeping just two 2300c models) and in the process of readying my others for sale, I stumbled across something that may interest you. Specifically, the PowerPort/Mercury for the...

Sure. As you may know, many manufacturers are building USB-C charging cables with PD chips in the USB-C connector end. Adafruit sells such cables with a DC barrel connector on the other end and on Amazon, you can get a USB-C charging cable for the Surface pro that outputs 15V at 3A through a...

I’m so glad to have found people with Outbound Notebook experience. Several years ago, I acquired 9 of them along with having the one I bought/used when I was in high school in 1994. Over the years, I sold some on eBay for $200-400 ea. (mostly non-working or non-booting) and I am now left with...

Although it seems like this thread changed from PSU repair to custom RAM upgrades :) I just wanted to chime in and say that while I do have one working PSU (at least for now) for each of the 5xx PowerBooks in my collection, I strongly recommend cutting the cord off of an irreparable PSU and...

Hello there.  I think I've been messaging you directly on eBay about Outbound stuff but in case this post helps others...  What I've learned from Vintage Mac Museum is that a perfect (and cheap) replacement for the original Outbound Notebook power supply is the iRobot Roomba model 10556 power...

I removed my original hard drives and bought SCSI2SD units from Inertial Computing - a 5.1 internal model and a 5.5 external model - and they worked out of the box on my Color Classic and Color Classic II.   Later, I went in with the tools to change the SCSI ID and things but mine worked out of...

I know this reply comes several months after the original post, but in case it is helpful to you or others... I had a board come across my desk last week where I suspect that a capacitor had been installed with incorrect polarity and all sound is missing - both from the headphone jack and the...