Commodore 64 ASSY 250407 Blank Screen Repair

Trying to fix a wonky C64 board which has been worked on previously. // Kindly sponsored by my favorite PCB manufacturer PCBWay! https://www.pcbway.com/ Wolfgang's channel: https://www.youtube.com/channel/UCiWjiArU0QUquJaDUDW-3Uw C64 Repair Resources: https://janbeta.net/c64repair.html TIME STAMPS: 0:00 Introduction 1:24 State of the Board 3:34 Sponsor Message 4:01 Fixing small components 6:48 Bodging ROM connections 10:54 Checking the strange power switch 13:20 Checking supply voltages 15:53 Dead Test/DesTest MAX 20:15 MOS Logic Chips 22:35 Bad RAM 28:43 Final Testing 31:37 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 #C64 #Commodore64 #Repair #Troubleshooting #RetroComputing #VintageComputing #Commodore #DesTestMAX #DeadTest #Diagnostics #PCBWay