Hang in there guys, we're gonna get started on the board real soon. This episode we're going to go over how a Buck Converter (the most common type of step-down PSU) works and demonstrate it on the main 12v power rail of our 820-2530. Board Repair Basics:    • Board Repair Basics   Synthis - Just Messing Around: http://samsynthis.tumblr.com/post/160007840476/