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Hi My first post here. I have for repair one old SMPS 150-200W which had broken caps and PWR trans in LIVE side. Now it has two trafo 5V/15A ,12V/5A +15V/1,5A -15/1A. it has a LM1723 I think as ref. with an SCR and a "Secret" pottet board with, I think, control circuit. It do not really...