> -----Original Message----- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Aaron > Jackson via cctech > Sent: 30 September 2017 23:34 > To: cct...@classiccmp.org > Subject: M7195 SLU issue might actually be 12v rail > > Hi all, > > Instead of jumping straight in and ordering an SLU, I decided to check the > power supply voltages. My +12V rail appears to be only giving about > +4.6V, where as the 5V rails are something like 4.9V, which should be > fine. > > This is an 11/23+ chassis and the power supply seems very large, but > reasonably easy to trace. I thought I'd ask first if anyone has any tips on how to > debug this, common components to fail or what might even result in this sort of > voltage droop. > > Thanks! >
I am no expert (but getting better). Check all the electrolytic capacitors for any that are bulging or may have leaked. Regards Rob
