Author Archives: Mickey Cummins

The last couple days I’ve been working on a SHP3 amplifier. I recieved it for repair through the mail. The customer reported that the left channel didn’t work. It had massive damage. The amplifier is supposed to have a 3.2A fuse and really, a 2A is more than sufficient. This one had a 7.5A fuse.ItContinue reading “October 5, 2023”

The last couple days I have been working on the separate components making up the wallbox. The black box was pretty straightforward. After taking it apart and finding no obvious problems I tested the two zener diodes on the top board, cleaned both sets of edge connectors, and re-assembled it. I tested it in theContinue reading “October 3, 2023”