PB 5xx original AC adapter re-cap & modern replacement

[jmacz]

Shared the instructions, parts, and model here:

PowerBook Power Supply Connector (520/520c/540/540c)

I wanted to share information on this PowerBook 5xx Power Supply Connector I have been toying with. Been so busy with other projects lately that I only got a chance to play with this a bit more today. I have not yet worked on the actual power supply yet but I wanted to at least share the...

68kmla.org

 

[alexGS]

I probably should have posted in this thread - sorry - but I have started a new thread with my theory of why two supplies are needed. It seems to me that VBatt must be limited to about 1A, or the battery will attempt to charge with all the current available. Please see my post at https://68kmla.org/bb/index.php?threads/500-series-alternative-power-supply-learnings.45726/