TRS-80 Model 1 Troubleshooting (Part 2)

Troubleshooting the TRS-80 Model 1 some more in this video. Also building a new detachable cable to connect the keyboard to the main PCB. // Kindly sponsored by PCBWay - Get your first PCBs free! - https://www.pcbway.com/ TRS-80 power supply build video: https://youtu.be/9IJab5Ac-jg Previous TRS-80 troubleshooting video: https://youtu.be/hyTF-FG4Bv8 This video is part of the #SepTandy 2020 festivites. Other participants are: Mr Lurch's Things: https://www.youtube.com/mrlurchsthings Josh Malone: https://www.youtube.com/channel/UCjU4lK6YTMKnMj7-XgTsv9w The Retro Channel: https://www.youtube.com/TheRetroChannel Adrian's Digital Basement: https://www.youtube.com/AdriansDigitalBasement DaveJustDave: https://youtube.com/mrdavejustdave MindFlareRetro: https://www.youtube.com/MindFlareRetro Tech Tangents: https://www.youtube.com/AkBKukU Retro Spector: https://www.youtube.com/c/RetroSpector78 LGR: https://www.youtube.com/LazyGameReviews I highly recommend checking these people out if you haven't done so already! Here's a playlist of all SepTandy 2020 videos that is regularly updated: https://www.youtube.com/playlist?list=PLxbeEn-s3xXCVnEwkqSUOxyKZnsBEdv1r TIME STAMPS: 0:00 Introduction 1:19 Sponsor Message 1:46 Replacing the 74C04 (Vsync) 7:01 Replacing the 74C00 (Compite Mixing) 8:54 Replacing Polyester Film Timing Capacitors 13:37 Replacing a 74LS367 Buffer (Clock) 16:52 Making a new Keyboard Cable 27:57 Thank you & Goodbye ----------------------------------------­------ MUSIC by FOCUS 10 https://focus10music.bandcamp.com EQUIPMENT AND TOOLS I USE: https://kit.co/janbeta * TWITTER: https://twitter.com/thejanbeta PATREON: https://patreon.com/janbeta WEBSITE: https://www.janbeta.net TWITCH: https://www.twitch.tv/thejanbeta LBRY: https://open.lbry.com/@janbeta:b YT CHANNEL MEMBERSHIP: https://www.youtube.com/channel/UCftUpOO4h9EgH0eDOZtjzcA/join This video was sponsored by PCBWay. Thanks for watching! * Stuff marked with "*" contains affiliate links. You don't pay anything extra and I get a little commission from everything you buy through the links (even if you buy something different there). #JanBeta #SepTandy #OcTandy #PCBWay