Electronics > Repair

HP E3631A another one comes to life


I almost finished repairing one of those. Only the "unreg" issue mentionned remains and the optoisolators are ordered.

Big thanks to free_electron who explained it all and all I had to do was to follow the explanations and the advices.
Great forum!

One of the Agilent supplies that I repaired recently had one (or more) of the output pass Fets blown and the UNREG annunciator was lit. But in that case there was no output on the faulty channel.

Hmm, I'm not sure what to expect in that case.  I ail try to have a glance at the schematics for this supply at lunch.


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