C64 Black Screen Repair (MT RAM Chips)

I’m troubleshooting and repairing another black/blank screen Commodore 64 board in this episode. // Kindly sponsored by PCBWay - Get your first PCBs free! - Commodore PCB Reproductions at Bob’s Bits Tindie Store: Boelle’s 326298 C64 Board Replica on GitHub: bwack’s KU-14194HB C64 Board Replica on GitHub: Here’s some handy resources I refer to when troubleshooting and repairing C64s: The Pictorial C64 Fault Guide is here: Ray Carlsen’s troubleshooting and repair guides are here: ~rcarlsen/ 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): Here’s the GitHub with Sven’s diagnostics harness: Time stamps: 0:00 Introduction 2:38 Inspection & Checking Voltages 7:08 Populating the Board 8:33 The Difference between Dead Test & Diagnostic Cartridge 10:55 Finding a faulty RAM IC 12:53 Replacing RAM (with Soldering tips) 17:20 Finding and replacing more faulty RAM 19:41 Finding even more faulty RAM 21:03 Still more broken RAM? 21:36 Replacing ALL the RAM ICs 23:45 Testing the repaired Board 27:30 Thank you and Good Night! ----------------------------------------­------ Music by Focus 10 EQUIPMENT AND TOOLS I USE: * TWITTER: PATREON: WEBSITE: TWITCH: LBRY: @janbeta:b YT CHANNEL MEMBERSHIP: Thanks for watching! * 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 #PCBWay