Main filter caps, they like to dry out over time and also have a tendency to explode.
On Tue, Aug 19, 2008 at 7:46 AM, wd8chl <[EMAIL PROTECTED]> wrote: > 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... > > ------------------------------------ > > > > Yahoo! Groups Links > > > >
