Hope if someone can help me. I just picked up this Lambda ps from the flea market. It is a Lambda LP-531FM 0-20V and to 5.7A output. The problem I am having is that when I turn it on the power light comes on but I get no voltage in the output. I thought that it might be the PS cap but I tried it with a similar cap but still no good. Does anyone have experience working on these PS or have the schematic and owner's manual for it? I like to try to make it work.