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Corsair CX500M Missing PG signal

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    Corsair CX500M Missing PG signal

    I got this PSU today with missing PG signal after is turned on all other voltages are fine. PSU will not release PG voltage untile main power SW is turned instantly off then back on again while psu is working, same will happen in pc. Pc will not show image on screen until you flip the PSU sw off/on while is working,after that pc can stay on for hours at full load. Dose anybody have any idea what coud go wrong since there is no schematics, im in process of replacing all the caps on high and low side.

    Tnx
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    #2
    Re: Corsair CX500M Missing PG signal

    Get rid of the small Jun Fu and CapXon caps on the controller boards. No guarantees this will fix your problem, but it's a good start, IMO.

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      #3
      Re: Corsair CX500M Missing PG signal

      Well, based on experience, sometimes bad bulk capacitor can cause lost PG signal in cwt platform.
      At least that happens in two enermax 500.
      Lost PG, try to replace anything in secondary side, no good.
      And, random replace in primary, and bam, PG suddenly appear when i replace the bulk caps.

      Weird..

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