TWO Cool Faults on this Sound Blaster! Let's fix it!

Thanks PCBWay for sponsoring this video: https://pcbway.com/g/M525r4 Please join me on Patreon!   / tony3599   #Microscope #Microsoldering #repair #retrocomputing #soundblaster #electronic 𝐁𝐮𝐲 𝐦𝐞 𝐚 𝐜𝐨𝐟𝐟𝐞𝐞: https://www.buymeacoffee.com/tony359 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐓𝐰𝐢𝐭𝐭𝐞𝐫/𝐗:   / tony359   ------------------------------------------------------- On the bench today a Sound Blaster Pro 2 which only outputs noise. Let's test it and see if we can fix it! Let's troubleshoot this card using a thermal camera, a microscope and let's do advanced electronic troubleshooting on FM sound generation by Yamaha! Also a good opportunity to improve on my microsoldering skills! ------------------------------------------------------ Thanks to The Retro Web Discord server for unlimited support on the repair and on the development of my "Revision 1" testing jig https://theretroweb.com/ 00:00 Intro 02:20 Testing 04:39 My new ISA test jig 09:49 The Test jig works! 12:17 Sound Blaster troubleshoot 15:59 Thermal analysis of the fault 18:37 Swapping the faulty component 20:24 still not working 100%! 21:15 Another fault! 22:51 Troubleshooting the other fault 33:42 Swapping the faulty component 2 34:38 Testing! 35:15 Final test! 36:15 More swapped components! 37:34 Outro