EEVblog 1769 - REPAIR by REMOVING a Component?

Can you repair a PSU by REMOVING a component? Well, in this case, yeah, kinda.Not recommended for new designs, but it works because the design margins allowed it.00:00 - My NerdQaxe++ Bitcoin miner has failed. Guru Meditation!02:13 - Bitmain 1370 chipset thermal paste03:54 - The flipchip die under the microscope04:48 - Thermal paste application triggering06:55 - Time for a new strategy R2. The Vreg temp sensor is now the suspect07:53 - A look at the open source hardware schematic in KiCADhttps://github.com/shufps/qaxe09:42 - The TPS53647 4 Phase ASIC Buck PSU controllerhttps://www.ti.com/lit/ds/symlink/tps53647.pdf10:23 - The CSD95472Q5MC Synchronous Buck NexFET Smart Power Stagehttps://www.ti.com/lit/ds/symlink/csd95472q5mc.pdf11:50 - We can try wacking a heatsink on + Jaycar field trip12:41 - Did that fix it?14:10 - It's becoming obvious what the fault is now16:24 - Thermal camera testing16:56 - Oscilloscope time on the 3 phase PSU18:21 - Desoldering time, maybe19:42 - Will removing this component work?23:52 - AutoBalance multi-phase buck conversion for the winForum: https://www.eevblog.com/forum/blog/eevblog-1769-repair-by-removing-a-component/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Repair...https://www.youtube.com/watch?v=lcsXd_0qCuo