R
radioman
Guest
I have a Sorensen DC20-25B 0-20v 0-25A lab power supply. It will work
normally for awhile but after drawing around 10amps or more for awhile
it will buzz, the output will go somewhat erratic then the ac line fuse
will blow. After this every time the fuse is replaced after a few
seconds of operation it will blow again. Has anyone an idea what is
wrong with it or where I could get a schematic for it? I would
appreciate even some information on the basic operation of the circuits
used in this unit. Thanks, Bob
normally for awhile but after drawing around 10amps or more for awhile
it will buzz, the output will go somewhat erratic then the ac line fuse
will blow. After this every time the fuse is replaced after a few
seconds of operation it will blow again. Has anyone an idea what is
wrong with it or where I could get a schematic for it? I would
appreciate even some information on the basic operation of the circuits
used in this unit. Thanks, Bob