C64 Breadbin Black Screen Repair ASSY 250407

Troubleshooting and repairing a blank screen Commodore 64 breadbin ASSY 250407. Spoilers: Faulty power switch and faulty MOS 7708 multiplexer IC. Recommended C64 Troubleshooting Guides/Tools: The Pictorial C64 Fault Guide is here: http://derbian.webs.com/c64diag/ Ray Carlsen's troubleshooting and repair guides are here: http://personalpages.tds.net/~rcarlse... You can get the .bin files for various C64 diagnostics cartridges from World of Jani (in case you want to make your own or try in an emulator): http://blog.worldofjani.com/?p=164 If you find this video helpful and/or entertaining please like, share, subscribe and/or consider a donation! TWITTER:   / thejanbeta   PATREON:   / janbeta   WEBSITE: https://www.janbeta.net TWITCH:   / thejanbeta   Thanks! #JanBeta