Re: 2246A Power supply failure turning on / off
A lot of potential problems seem to have been eliminated. Next I wouldtoggle quoted messageShow quoted text
start looking for a potential overload on the power supply which may (or
may not) cause the PS to go into a shutdown to protect itself (electronic
fuse?). Another scope is likely needed to poke about the various sections,
starting with the first reference (5V?) and going up the voltage ladder.
This for checking time-related changes (caps charging etc.). Maybe
disconnecting the loads from the power supply might give you a clue whether
the problem is load related and which section is the offender on either
side. Unloaded supply may be easier to check for faulty components.
Unfortunately this level of troubleshooting needs to be done under power so
be careful as to not letting the smoke as well as not getting hurt. (FWIW)
On Wed, Aug 19, 2020 at 7:50 AM JorgeTop <email@example.com> wrote: