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HP 71210C S/A / 70001A P/S problem

Question asked by n8phu on Jun 1, 2008
Latest reply on Jul 17, 2008 by n8phu
Greetings all,

  I have come into the ownership of a HP 71210C Spec An. My Company was tossing it out because they didn't want to fix it (seems how I acquire most of my test gear). The first and foremost problem with it is the 70001A mainframe power supply is showing a current overload problem. I removed the P/S from the housing, disconnected the blowers and output cabling from the P/S, but it still shows current overload.

  I did a physical inspection, there is nothing burnt, all fuses are good, and there isn't anything loose in it. Bad sensing circuit perhaps?

   I downloaded the 70001A manual and block diagram from this site and looked it over. It looks like there is supposed to be a second manual with the scats in it, but I can't find it. Anybody know where to get it?

Any ideas on what is wrong with the power supply and a source on a scat would be greatly appreciated.

Chris N8PHU