Drake AC3 /AC4 Power Supply Troubleshooting

By: Mark Gilger / WB4IQK

Here is an excellent article written by Mark Gilger, WB0IQK, on the basics for troubleshooting and repairing the Drake AC3 and AC4 power supplies.   Both the AC-3 and AC-4 have a very different design layout, but both are basically the same in wiring and components used.

Here is an article by Mark Gilger, WB0IQK

Drake AC3 / AC4 Power Supply Troubleshooting

This article is in the Adobe .pdf format and requires the Adobe Reader to display this file.

Here is an article by Mark Gilger, WB0IQK  

Drake AC3 / AC4 Power Supply Troubleshooting

This article is in the Adobe .pdf format and requires the Adobe Reader to display this file.