Commodore PET - Keyboard Renders No One Workable Keystroke! Troubleshooting Time! - Episode 1538

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Dave Bradley - 8-Bit Commodore Man

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Published on September 22, 2023 3:00:08 PM ● Video Link: https://www.youtube.com/watch?v=-uhxk_GmWI4

Duration: 13:44

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The 4016 upgraded to 32, is ok, and seems to be working just fine after replacing one of the 2114 RAM chips...but the keyboard, well, not one single key is being acknowledged by the computer...not one...so this is either a very dirty keyboard...or perhaps there is some other issues lurking within...perhaps a bad 6520...or? Time to do some serious troubleshooting! I do not want to head for the soldering irons, until I am sure that is the correct path to follow!

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