Commodore SFD 1001 Drive Teardown and Repair: Part 3

Описание: It looks like a 1541 but it's not! Thanks to my sponsor, PCBWay. https://www.pcbway.com Quality PCBs and more from just $5.
This SFD 1001 drive came with a surprise: it once belonged to the company where I got my first programming job!
In the last episode we finished our restoration of the drive and powered it on. But it didn't work.
This time we go in depth, searching for bad chips and other problems with the motherboard. And we discover a worrying problem on the drive itself.

See the first video in this series:    • Commodore SFD 1001 Drive Teardown and Repair  
See the MiniPET build series:    • Unboxing the MiniPET 40/80  

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Music: A Night of Dizzy Spells by Eric Skiff - http://ericskiff.com/music

00:00 - Introduction
00:55 - Easy Chip Tests
02:58 - Sponsor Message
04:16 - Testing in a 1541
22:15 - SFD Drive Architecture
29:33 - First Test
36:06 - Yes, I was a numpty!
38:50 - Broken Sensor Wire
45:10 - Progress - One Step Forward…
47:34 - Reading an 8250 format Disk
49:53 - … 2 Steps Back
53:07 - Socket Replacement Montage
54:27 - One Last Test
56:21 - Epilogue