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by joeyoravec
Tue Oct 12, 2021 11:23 am
Forum: Voltage Regulators
Topic: PSU5 No Noise failure
Replies: 0
Views: 16971

PSU5 No Noise failure

I tried replacing an LM323K with PSU5 No Noise on a Road Show pinball machine. The machine was "working" originally but the LM323K produced too-low voltage leading to resets. On power-up the machine seemed to try to power-up, and after 3-4 seconds the PSU5 shot out smoke. I quickly cut the...