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Need a Leadman (POWMAX) LP6100 Schematic Diagram

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Strange Problem

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Hi,
I need a Leadman (POWMAX) LP6100 Schematic diagram . This PSU has the problem in primary section of both MJE13007 . After repairing the Primary section this PSU is running automatically when I attach power cord with it !!! It doesn't need to be switch !! I have checked the controller section - every diodes, transistors and PF's are OK , even I have changed the IC TL494 also but it is same result . When I was checking the controller section - I found that it is such kind of design that it doesn't need switching to power on !! Have you worked with Leadman (POWMAX) PSU guys ?? Are they run automatically without switching ??
 

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