I'm trying to fix a Commodore 64 board that was given to me by my late friend ZXkim81 in 2017. // Kindly sponsored by my favorite PCB manufacturer PCBWay! https://www.pcbway.com/ MOS 6526 Data Sheet: https://myoldcomputer.nl/Files/mos_6526_cia.pdf TIME STAMPS: 0:00 Introduction 2:01 State of the Board 2:41 The Fault 5:04 Troubleshooting 7:04 Sponsor Message 7:33 Strange SID Behavior 9:16 Removing the bad Socket 13:14 Scoping CIA Signals 18:12 Tracing the missing Signal 22:58 Fixing the Fault 24:40 Test Run 28:34 Thank you & Good night ---------------------------------------­----- MUSIC by FOCUS 10 https://focus10music.bandcamp.com/ EQUIPMENT AND TOOLS I USE: https://kit.co/janbeta * MERCHANDISE: null 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: null Thanks for watching! This video was sponsored by PCBWay. https://www.youtube.com/channel/UCnp2wP2eA-YghOQr0j0wHrQ * 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 #Commodore #C64 #RetroComputing #VintageComputing #Commodore64 #Repair #NoCursor #MOS6526 #Troubleshooting #ZXkim81 #NoCursor #CursorFlashing #KeyboardNotWorking #PCBWay