PET Deep Dive, Part 1, The Power Supply #comMAYdore

The PET power supply, checking AC, DC, unregulated and regulated voltages. #comMAYdore #commodore #retrocomputing Part 1 of a series on the inner workings of the Commodore PET. My Twitter:   / hutchca   My Blog: https://blog.hutchins1.net/ Commodore PET Schematics http://www.zimmers.net/anonftp/pub/cb... My Annotated Schematics https://drive.google.com/drive/folder... Dave Curran's "Power supplies of the 8 bit generation" http://blog.tynemouthsoftware.co.uk/2... index 00:00 Intro 00:42 Different versions of the PET 01:12 Tools 02:01 Volt Meters / Multi Meters 04:31 AC Input 06:45 Static PET AC voltages 09:23 Static PET DC voltages 13:00 Dynamic PET AC voltages 15:39 Dynamic PET DC voltages 18:47 Universal PET and 12" monitor AC voltages 19:58 Universal PET DC voltages 21:25 Troubleshooting 24:10 Outro 25:02 Schematics and all measured voltages