The fault was found by somebody with a heck of a lot more experience than yours truly.
Turns out the 5v regulator had shorted out, a protection diode did it's thing and popped the fuse protecting the rest of the system. J. On 29 Jul 2015 2:49 am, "Robert LaJeunesse" <lajeune...@mail.com> wrote: > One of the cheap and dirty ways to find a short is current tracing. Use a > voltage and current limited source and a matching detector to find where > the current flows. I've used a current limited DC supply as the source and, > for the detector, an old DVM with 10uV resolution. For an AC approach a > simple audio oscillator (or function generator) works nicely as the source, > while a the detector starts with an audio playback tape head (from an old > VCR), then some sort of amplifier-speaker, or maybe just an oscilloscope. > If you are lucky you have an old HP logic pulser and current tracer set > that do the same thing... > > Bob L. > > > ... > > > > I'll buzz out the pins on the connnector there and see if I can find the > > probably short and let people know. > > > > Cheers > > Jason > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.