Re: A2159 820-01598-06 USB ports

Excellent thoughts, Piernov. That gives me a few more things to be getting on with before I put it on the back-burner. My suspicion is that I need to reball the CD3217.. and then hope it was just crud or a corroded connection underneath. Now I just have to find a stencil that this chip will fit with!

Thanks very much for your help. If I get it fixed, I will post details here to potentiall help someone else.

Hi,

I have this liquid-damaged MacBook that has no schematics available yet (so far as I know). I've cleaned up the corrosion as best I could, and it worked after that. Then I unplugged it and tried to connect the battery to see if it would charge it. The thing wouldn't come back on, no matter what combination of battery vs no battery I tried.

I have a USB C ameter and noticed that one of the ports reads 20V and 0.08A, while the other reads 5V and 0.27A. While I've forgotten more about electronics from when I was a kid than I care to mention, I wanted to run it by...

Re: New Members - please post your introductions here

Hi from Belfast. I've been doing microsolder repair since about 2001, professionally. Only about the last five years or so have I been doing diagnosis as well.

I'm a fan of Jessa and Louis, of course. You know who they are!

Binatone something --> Atari 2600 VCS console --> Dragon 32 --> Commodore 128D --> 486DX PC... then various Cyrix and AMD processors, before making the switch to back to Intel. Never a Mac owner, but worked on them exclusively for a couple of years.

I started...