In this video, I tackle a Commodore 64 with a classic black screen issue. Using a variety of diagnostic cartridges and tools, I narrow down the culprits to a faulty PLA, CIA, and SID chip. Watch as I troubleshoot the board, swap components, and get this vintage machine back toward a functional state.

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Classic Repair Toolbox: https://github.com/HovKlan-DH/Classic-Repair-Toolbox

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