FeedbackLoop | #28 - Tektronix PS2520 lab power supply repair and calibration @feedback-loop | Uploaded 9 years ago | Updated 22 hours ago
This Tektronix PS2520 triple output power supply was sold on eBay in the "for parts and repair" category with a description of "no display". It turned out it needed a new a fuse, a DAC, and a calibration. The process of investigation and calibration is shown in this video.

Discussion: http://www.eevblog.com/forum/testgear/tektronix-ps2520-triple-output-power-supply-repair-and-calibration/

5TT fuses: http://belfuse.com/pdfs/5TT.pdf

AD7541A DAC data sheet: http://www.analog.com/media/en/technical-documentation/data-sheets/AD7541A.pdf

Tektronix PS2520 Series Technical Reference: http://exodus.poly.edu/~kurt/manuals/manuals/Tektronix/TEK%20PS2520%20Series%20Technical%20Reference.pdf