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 dia