Paul Berger via cctalk wrote:
On 2021-02-11 10:55 p.m., Carlos E Murillo-Sanchez via cctalk wrote:
This decade seems to have increased the number of failing things in
such a way that the "to be repaired" backlog is growing much faster
than I can get to diminish it. Argh. A month ago my trusty
On Thu, 11 Feb 2021, carlos_muri...@ieee.org wrote:
to diminish it. Argh. A month ago my trusty HP9000/380 ran just fine and I
[...]
on; the power supply is dead. So I unracked the pile of drives and the
computer, checked for obvious things (the fuse is fine, and nothing in the
power supply
On 2021-02-11 10:55 p.m., Carlos E Murillo-Sanchez via cctalk wrote:
This decade seems to have increased the number of failing things in
such a way that the "to be repaired" backlog is growing much faster
than I can get to diminish it. Argh. A month ago my trusty HP9000/380
ran just fine a
Carlos, from my experience in fixing a number of switch mode supplies in HP
gear, if the supply is dead but you have full voltage across the big filter
caps (~340v DC), it's typically a problem with the power supply to the
regulator that drives the primary switching transistor. That 'power supp
