Hi Kyle, On Sun, 8 Sep 2019 18:42:06 -0500 Kyle Owen via cctalk <[email protected]> wrote:
> Has anyone replaced the capacitor in a ferroresonant power supply with much > success? My current understanding is that the capacitor and transformer are > mated as a pair, so replacing just one of them would require careful > consideration. > > The PDP-8/I I'm working on has a 704A in it, with a GE 8uF 660V capacitor. > It measures a couple of nF on my capacitor meter, and I was told by the > previous owner that it's dead. We recently replaced the ferroresonant capacitor in a power supply on the CHM's PDP-1. They do fail (thankfully, not often) - and they are not super-critical as to value. If the one you're replacing has the same marked value, you should be fine. Cheers, Lyle PDP-1 Restoration Team, CHM -- 73 NM6Y Bickley Consulting West Inc. https://bickleywest.com "Black holes are where God is dividing by zero"
