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What is a HP6654A-J10?

Question asked by gstanley on Oct 14, 2016

I have a newly acquired used HP6654A-J10 supply.  None of the information I have found on line indicates the existence of the J10 variant for the case of the 6654.  What is it?

 

The front panel is labeled 60V/9A and it programs as an 80V/6A unit but there's more.  It has a small added circuit board mounted to the interior wall of the power cage that is partially populated with a single OP27 and circuitry.  It also does not have any electrolytics bypassing the output terminals (low stored energy?).

 

Is there a service revision document showing the changes?

 

Thanks,

Gerald

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