https://makertube.net/videos/watch/e4ce3eb5-a9a0-42de-83d5-271dc11aff94 I'm attempting to repair a C64 ASSY 250407 that displays random colors on startup. Collected C64 Repair Resources: https://janbeta.net/c64repair.html TIME STAMPS: 0:00 Introduction 1:32 A Look at the Board 6:12 Symptoms 9:18 Checking Voltages 10:29 Wonky Power Switch? 15:46 Bad VIC-II? 16:47 Checking more Voltages 18:00 Bad MOS Logic Chips? 22:52 Probing Adress Lines 25:39 PLA Fault? 27:51 Low Volume Sound 32:47 CIA Fault? 34:33 What was broken (so far)? 35:29 Thank you & Good night ----------------------------------------­------ MUSIC by FOCUS 10 https://focus10music.bandcamp.com 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! #JanBeta #Commodore #Commodore64 #C64 #Repair #Troubleshooting #BlankScreen #ColorfulScreen #PLA #CIA #VIC #RetroComputing #VintageComputing Thu, 03 Sep 2026 17:27:39 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://video.infiniteloop.tv https://video.infiniteloop.tv/client/assets/images/icons/icon-96x96.png https://makertube.net/videos/watch/e4ce3eb5-a9a0-42de-83d5-271dc11aff94 All rights reserved, unless otherwise specified in the terms specified at https://video.infiniteloop.tv/about and potential licenses granted by each content's rightholder. https://video.infiniteloop.tv/w/ufJ7eNjdxfKBJ8HWQmQMuG;threadId=13317 https://video.infiniteloop.tv/w/ufJ7eNjdxfKBJ8HWQmQMuG;threadId=13317 Sat, 29 Aug 2026 09:30:14 GMT Nice (almost) repair, thank you for sharing. Also want to confirm that a C64 indeed can make a wonderful disco light in an 80s children room 😃

]]> marv99 https://video.infiniteloop.tv/w/ufJ7eNjdxfKBJ8HWQmQMuG;threadId=13275 https://video.infiniteloop.tv/w/ufJ7eNjdxfKBJ8HWQmQMuG;threadId=13275 Wed, 05 Aug 2026 18:49:12 GMT @jan_beta Fun :) Love a classic 64 repair. I wonder what the problem with the sound is!

]]> Josh