Search results

  1. RetroTechTom

    PowerBook 3400 small popping noise when plugged in

    Last month I recently got a decent PowerBook 3400c (I don't know the specs of it yet) When I plug it a known good charger it's making a small popping noise and yes I did remove the VARTA PRAM battery from it that didn't leak inside of it thankfully So the popping noise would be related to bad...
  2. RetroTechTom

    Macintosh SE 800k CRT adjustement

    I would like to know on how to adjust the CRT on a Macintosh SE (800k) The picture was when I rebuilt the machine way back in October of 2024 with a replacement analog board since the original analog board failed due a bad flyback transformer and a weak PSU that was dying The right corner of...