Joe wrote: > I'm slowly going through all my repeater stuff here and have a problem > with the 100 watt UHF PA PL19d424895g32. No output. I checked the > exciter into another identical PA and it works fine. Drive is a little > low, 100mw, but it drives the other identical amp just fine. The bad PA > draws 5 amps when keyed, the power control pot varies this current from > 0-5 amps. No output out of the PA. This was a working repeater that is > being tested on it's original frequency of a 45/1456Mhz split. No parts > look burned or discolored. The straps between the boards look fine, no > cracks. I touched them up with and iron anyway just to check. My first > thought is to check the output of the 40watt stage. > > Any words of wisdom before I tear into this beast? Any ideas? I seems > to remember reading about a UHF PA common problem but can't find it in > any of the reflector archive messages.
Here are two articles to help: http://www.repeater-builder.com/ge/mastrIIpaproblem.html http://www.repeater-builder.com/ge/m2-uhf-pa-repair/m2-uhf-pa-repaired.html The URL for the second link is broken from the index page, the one above is the one that works. Kevin