Michael A. Terrell wrote:

Henry Kolesnik wrote:

Hi
This Krohn-Hite UHR-220 power supply has melted a resistor and I need
to figure out its size and what may have shorted to cause it to melt.
Not able to find anything googling and a schematic would be nice.
tnx
Hank WD5JFR



Those 'Black beauty' capacitors need replaced. They have an almost
100% failure rate. They didn't age very well.


http://www.big-list.com/usedmanu.html for a list of manual dealers.
IOf you are in the US, you might find something on the logsa military
site.


Not only that, but they were not paper trained...leaked like hell.