He gives a broad explanation as to how switched mode power supplies work as well as discusses ... the world of electronics troubleshooting and repair.

This demonstration fixes the power supply of a DVD player ... We perk up every time we see this type of repair hack. We figure if we can build our own hobby electronics we should be able to ...

On Jan 23, at the distribution network training ground of Suqian Power Supply Company, a "simulation drill" for emergency repairs of the distribution network during cold waves, rain, snow and freezing ...