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Commodore 64 Repair β When Itβs Not the CIA or the PLA...
This C64 arrived with a blue screen and a few suspicious past repairs, including chopped ROM legs and a mismatched CIA chip. After a quick inspection and a few educated guesses, I started working through the usual suspects: CIA, ROMs, CPU, PLA...
But even after swapping and testing most of the major ICs, the machine still wouldnβt boot correctlyβuntil I tried one last thing.
This repair takes a few twists and turns, and ends with a surprising culprit
NEW
MAIN CHANNEL!
BlueSky
Ko-fi page
Amazon Wishlist
Discord Channel
More Fun Website
Facebook
By Commodore 64 Repair β When Itβs Not the CIA or the PLA...
This C64 arrived with a blue screen and a few suspicious past repairs, including chopped ROM legs and a mismatched CIA chip. After a quick inspection and a few educated guesses, I started working through the usual suspects: CIA, ROMs, CPU, PLA...
But even after swapping and testing most of the major ICs, the machine still wouldnβt boot correctlyβuntil I tried one last thing.
This repair takes a few twists and turns, and ends with a surprising culprit
NEW
MAIN CHANNEL!
BlueSky
Ko-fi page
Amazon Wishlist
Discord Channel
More Fun Website
Facebook