On Wed, 5 Jun 2019, systems_glitch via vcf-midatlantic wrote:
full writeup here: http://www.glitchwrks.com/2019/06/05/pdp1110-psu-repair
(Go read this, it has photos.)
I finally fixed the power supply in my PDP-11/10S, it turned out to be a shorted bridge rectifier on the 5411086 board, which provides +15 VDC, LTC, and AC LO/DC LO. Unfortunately, when it failed, the rectifier burned up the
Very cool, and not the worst thing to repair. My 11/05 has been sitting around for years with some sort of power problem which I've been dreading, but this encourages me to work on it. I also appreciate the links to the archive.org scans of the manuals & prints. I have boxes full of physical copies and I'm reminded I should check before committing to scan any of them. -- Jameel Akari