Re: IBM PS/1 — Busted power supply?
Posted on 2023-05-22, 07:30
Hey, I may be late to the party but I fixed mine. I had exactly the same symptoms, turning on will get the LED flash for a split second and go dead. I took the Power Supply from the monitor out and probed around, and noticed that the Switching from the SMPS was propagating to the DC side on the 36V …