HP 6031A 20V/120A Power Supply

Repair and calibration of a 20V / 120A power supply. This is a power supply that I bought from ebay for $208. This was $3,400 (1989) when it was new in 1989. Today that would be about $8.9k. I bought…

Repair and calibration of a 20V / 120A power supply. This is a power supply that I bought from ebay for $208. This was $3,400 (1989) when it was new in 1989. Today that would be about $8.9k. I bought…