#82 - Agilent E3646A dim display repair
One of Agilent E3646A power supplies had a dim VFD, which turned out to be caused by wrong DC bias on the filament. A Zener diode was found to be dead and was replaced to restore a nice and bright display.
Видео #82 - Agilent E3646A dim display repair канала FeedbackLoop
Видео #82 - Agilent E3646A dim display repair канала FeedbackLoop
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