Let's take a look at this broken USB Focusrite 2i2 sound interface!
Thanks PCBWay for sponsoring this video: https://pcbway.com/g/M525r4

The 2i2 and 2i4 Firmware and schematics can be found here: https://www.badcaps.net/forum/trouble...

The 2i4 FW comes from this thread: https://khronscave.blogspot.com/2019/...

00:00 Intro
01:16 Disassembly and overview
01:55 USB port replacement
04:05 Troubleshooting
17:48 Firmware test
22:10 USB IC replacement
25:26 Test 1
27:09 Fixing my bad soldering!
27:57 Test 2
29:11 Cleaning and reassembling
30:47 Live test and outro