Last Commodore 64 Revision Repair

Trying to repair a 250469 Revision B Commodore 64 board with some interesting faults. // Kindly sponsored by my favorite PCB manufacturer PCBWay! https://www.pcbway.com/ Commodore 64 Repair Resources: https://janbeta.net/c64-resources/ The game I play during the credits is "Zeta Wing" by Sarah Jane Avory: https://sarahjaneavory.itch.io/zeta-wing TIME STAMPS: 0:00 Introduction 1:51 The Symptoms 4:24 Checking Voltages 5:58 Bad RAM? 7:08 Sponsor Message 7:34 Replacing RAM Chips 14:43 More Troubleshooting 20:30 Replacing the CPU 23:37 Bad KERNAL ROM? 27:16 Final Testing 30:54 Thank you & Good night ----------------------------------------­------ MUSIC by FOCUS 10 https://focus10music.bandcamp.com EQUIPMENT AND TOOLS I USE: https://kit.co/janbeta * MERCHANDISE: https://janbeta.creator-spring.com MASTODON: https://social.janbeta.net PATREON: https://patreon.com/janbeta KO-FI: https://ko-fi.com/janbeta WEBSITE: https://www.janbeta.net TWITCH: https://www.twitch.tv/thejanbeta YT CHANNEL MEMBERSHIP: https://www.youtube.com/channel/UCftUpOO4h9EgH0eDOZtjzcA/join Thanks for watching! This video was sponsored by @PCBWay . * Stuff marked with "*" contains affiliate links. You don't pay anything extra and I get a little commission from everything you buy through the links (even if you buy something different there). #JanBeta #Commodore64 #C64 #Repair #Troubleshooting #BlankScreen #Commodore #DeadTest #DesTestMAX #Diagnostics #RetroComputing #VintageComputing #PCBWay