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13:56, 24 April 2025 Josh talk contribs created page PLA Replacement Options (Created page with "The original '''MOS 906114-01 Programmable Logic Array (PLA)''' in early C64 board revisions (ASSY 326298 → 250466) is _the_ single highest-failure-rate part in the machine. It runs hot (≈ 65 °C surface on an un-ventilated bread-bin), consumes ≈ 120 mA, and any internal electrical overstress manifests as: * '''Black screen / no border''' on power-up. * Colour-flashing “garbage” that crashes after warm-up. * Selective cartridge or bank-switch errors (E...") Tag: Visual edit: Switched