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Artesyn NFS177-7630 PSU informations? (HP 35670A)
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F1GWR:
Hi,
Anyone holding information, schematic, diagram of the Artesyn NFS177-7630?
This unit being used in the HP 35670A DSA.
coromonadalix:
maybe the EEVblog #536 and other video parts may give you some help

2nd  #538

3rd  #540   

4th  #593
F1GWR:
Thanks for your reply. Did already watch the four parts video some time ago. The first one shows a PSU failure when connected to mains, but the DC-DC converter part still works. And the EEVblog kangaroo didn't repair his PSU, or at least video #5 was never released.
Mine has complete failure (both mains and DC powered).
However Mark Bielman in the HP-Agilent-Keysight-equipment groups.io list provided me with a schematic of a less powerful version of my NFS177, which I reproduce herewith. Thanks to him.
coromonadalix:
a tough cookie this one,  no dedicated ic's ??? wuuut
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