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AMD Geode/Video 2
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This page is about the [https://www.youtube.com/watch?v=lJdBrTLBwpo Repairing an AMD Geode: Part 2] video. This video goes over the soldering work between part 1 and the future part 3 where we're back to diagnostics. Footage was shot late March 2022, but only edited sporadically in August 2022 and Jan 2023. I really wasn't enjoying trying to write and talk over a 15 minute video where I just solder badly. I decided in early May 2023 to scrap the voice-over and just put some music over it. This managed to get the video released. == Video explanation == I filmed this almost of the video as a continuos 6 hour session, with 4 hours being soldering. This was not a good idea. In fact, the entire video is filled with almost entirely bad ideas. Here's a broad listing of takeaways you should have: * Don't solder for more than an hour at a time * Take breaks when you're frustrated * Perform each action with a plan and stop if it fails I failed almost all of these and instead tried to brute force through the process. Trying to continue a project that requires thought and attention after burning through those 15 minutes in did not work. Specific mistakes in the video: * I used too large a tip for most of it * I removed an imperfect pad instead of soldering on to it * I didn't use my too small pad strips as I thought running wire would be easier * I didn't tin the copper pads I made * I tried to use overcoat to bond pads to the board * I wanted to use tape to hold the pads down while heating but I didn't cut it too size and lifted the new pads * I spent way too long setting the pads and adding epoxy * I didn't remove the wire enamel before soldering * I didn't tape down the inductors and wires while soldering * I went around to 'touch up' random joints without a plan * I used the wrong iron shape to touch up the network IC joints * I couldn't get a solder blob to flow and added braid instead, creating more thermal mass Things I actually did well in the video: * I cleaned up the flux mess as I went * I fixed the VGA port * I used nail polish to coat the exposed network IC pins Mistakes outside of the video: * I misplaced the SMD capacitors I was going to solder I think I learned a lot. I felt really bad about having this video to show for it, but I think I did okay all things considered. == Overall progress == === Done === * Editing: Scrubbed through and cut up all the needed footage * Editing: Decided on scope of video *Editing: Cut the video down to an appropriate size *Editing: Added music and rendered *Wiki: Video explanation === Postponed for part 3 === * Clarify mistake about shunt schematic * Clarify mistake about video schematic * Probe ESD diodes *Look at DAC code briefly *Test mode *Contact cleaner *DAVdd measurement and fix === Scrapped === *Write script based on video segments *Explain each attempt *Voice-over [[Category:Projects]]
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