Diagnostic failure: Magic smoke released while fixing the Lisa

Video Description

Part 6: It is time to see if the Lisa can boot into an operating system and run anything beyond what's contained in the boot ROM. First I have to solve the "Error 57" floppy controller error so we can try to boot the system. Apple Lisa Playlist: https://www.youtube.com/playlist?list=PL4tFqFVNf5LQ-OE8JGNMJQoVOmgkyTorC Part 1: https://youtu.be/77El1RmSY0Q Part 2: https://youtu.be/zZ84-9zjmYY Part 3: https://youtu.be/I6Mp-OVm92U Part 4: https://youtu.be/zSlv7GZdFUg Part 5: https://youtu.be/ohLDLJR-4-o Part 6: This part! 0:00 Intro 2:05 Preparing to assemble the Lisa system "module" 7:44 Assembled system "module" 12:14 Running diagnostics 13:47 Testing and repairing the CRT driver 27:33 Troubleshooting the Floppy Drive Controller 42:34 Quick speaker test 43:21 Back to FDC issues 45:38 Testing the Barn Find Lisa CPU board 47:40 Fixing the slow power-on/reset problem 50:51 Fixing the Floppy Drive Controller error 1:10:48 Inspecting and modifying the LITE adapter 1:16:40 Lisa first boot! Lisa RGB2HDMI profile: (You must be using the analog comparator board) sampling=2,2,2,2,2,2,2,0,1,0,8,0,0,0,0,1,1,1,1,0,70,256,256,256,256,35,256,256 geometry=80,7,720,364,728,364,2,3,0,1,20374338,896,5000,379,4,0,0 palette=Mono_(2_level) scanline_level=0 -- Links Lisa ROM versions: https://lisafaq.sunder.net/lisafaq-hw-rom_versions.html FDC diagnostic process: https://lisalist2.com/index.php?topic=431.0 Running a 2/10 IO board on a Lisa 2/5: (LITE adapter modification) https://lisafaq.sunder.net/lisafaq-hw-io_substitution.html Apple Lisa keyboard adapter: https://www.tindie.com/stores/arcanebyte/ Alex's Github with replacement Lisa PCBs: https://github.com/alexthecat123/Lisa-PCBs Adrian's Digital Basement ][ (Second Channel) https://www.youtube.com/channel/UCbtwi4wK1YXd9AyV_4UcE6g Support the channel on Patreon: https://www.patreon.com/adriansdigitalbasement My GitHub repository: https://github.com/misterblack1?tab=repositories --- Instructional videos My video on chip removal without damage: https://www.youtube.com/watch?v=XQVjwPsVFd8 --- Music Intro music and other tracks by: Nathan Divino @itsnathandivino