enjoyacold807 wrote: > Your basic GE Mastr II rack mount pwr supply (ref PL19D436272G1 Rev > A) was part of club WA8UXP's 2m GE MastrII (base) repeater (146.985 > Mhz) until it started acting up (a few years ago). Basically, the no > load voltage looked ok. But, once the 100w PA kicked in the voltage > swings made a sunami look like a placid lake. Ouch!! It was then > replaced by Astron RS-35A. Now, the club has three (3) choices for > the old fella being: boat anchor/scrap, try to fix, or hamfest sale > as is. > > But option 2, hmmm, if economically repairable, maybe we could put it > back where it belongs (w/ the repeater) and re-deploy the Astron. > Ah, life, so many choices, so little time. >
My first thought-those are ferro-resonant supplies. There's a cap across a special winding that provides some of the 'regulation'. If it went bad, I suspect it might do what your seeing...
