buzz@baylorhill.com said: > Where does pin three (P1) connect. I may have trashed both units. Are > schematics available. I don't know of any schematics. I would take it apart and see if anything is connected to any of the other pins on those connectors. Or measure the resistance from the outside. -- These are my opinions. I hate spam.

Am 05.02.2017 um 04:29 schrieb Hal Murray: > buzz@baylorhill.com said: >> Where does pin three (P1) connect. I may have trashed both units. Are >> schematics available. > I don't know of any schematics. I would take it apart and see if anything is > connected to any of the other pins on those connectors. Or measure the > resistance from the outside. > > I also know of no schematics, but I took some photos when I made the 10 MHz output and the distribution amplifier for mine. The power input seems quite simple. Everything goes straight into the DC/DC converter. Probably the input is not referenced to ground. There are just some chokes and a reservoir capacitor. There is a diode, too. It looks too weak for use as a crowbar or as a series diode. < https://www.flickr.com/photos/137684711@N07/31906174553/in/album-72157662535945536/ > (GPS board removed) regards, Gerhard