SMPS are always a pain to troubleshoot, and I've always opted to find a
replacement. In this case that isn't probably feasible so ---
They are a pain to troubleshoot, but they're also a part of the classic
computer, and thus should be repaired and preserved. Why do people seem
to think that 'classic computer' == 'CPU only'?
I'd buckshot the components in the switch driver, such as the IC. Sounds
In a supply of this age, I would not be suprised if the chopper driver
was discrete transsitors.
-tony