Repairing Switching Mode Power Supplies

In this article Scott Dorsey tells us how to repair Switching Mode power supplies. As he explains, "there are a lot of books and articles out there about how to design a switching supply, but not many on fixing them. As switching supplies become ubiquitous in electronic devices today, it becomes that much more important to understand how they work and just as importantly how they fail." This article was originally published in audioXpress, January 2018.

With virtually every single professional audio manufacturer in the world considering or already shipping subwoofer solutions based on Powersoft revolutionary M-Force linear motor technology, introduced to the market in 2013, the Italian company will now demonstrate a new generation M-Force at Prolight+Sound 2018, with a simpler implementation, better thermal dissipation, improved magnetic spring action, and high voltage and current connectors.

A great first 2018 issue of audioXpress is now available to download! audioXpress January 2018 reviews the surprising Vanatoo Transparent Zero powered, wireless, and inexpensive speakers. We report on what sounded good at the Rocky Mountain Audio Fest (RMAF) 2017 show, and Robert Nance Dee returns with the 6922 tube hybrid amplifier, a complete design in his series on buffered preamps... and much more!