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Thread: Dell PowerConnect 2716 dead PSU

  1. #17
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    Re: Dell PowerConnect 2716 dead PSU

    Quote Originally Posted by cron410 View Post
    In my powerconnect 2724 with the same power supply, I replaced the 25v 47uf capacitor in c3 position with a 50v 47uf capacitor from an old ATX power supply. Works great now. The c1 capacitor child have also been replaced with parts from the ATX psu
    '

    I had to replace the 400V/100uF (victim of capacitor plaque) and the 25uF (the same or otherwise dead) capacitors to revive the PS. After replacing the 100uF, I got 300VDC but the oscillator wasn't running. Then I replaced the 25uF and the problem was solved.

  2. #18
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    Re: Dell PowerConnect 2716 dead PSU

    Please check my post on repairing the Delta ADP-40VP power supply in a Dell PowerConnect 2724. Note: the (same) power supply in a 2824 seems to have another 100uF/400V capacitor that shows no signs of capacitor plague (leaking electrolyte).
    Last edited by peterb; 28-01-2018 at 09:18 AM. Reason: Remove link

  3. #19
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    Re: Dell PowerConnect 2716 dead PSU

    I know all about odd PSUs that are hard to get hold of.

    Currently awaiting an order of 100 bespoke units from China. Cheaper than replacing 100 switches, but it's a massive pita to order from a Chinese manufacturer for a one off item.

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