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Encountering second-hand power

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    #1

    Encountering second-hand power

    be quiet! E6 750W power supply causes the computer to not boot and displays fault codes 19 and 00
    When I turned on the power, I found a large triode on the back.（A928），There are obvious signs of burning。
    After detecting that A928 is short-circuited and replaced, the computer starts up normally.



    3 Photos
    Last edited by Cyrs; 01-11-2024, 05:47 AM.
    Tags: None
    #2
    damaged components
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      #3
      Triode

      somebody link mr carlsons lab

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        #4
        i think it was designed to be an SMD component but the manufacturer ran out of smd's and just placed an TO-92 one.
        Last edited by temyth; 01-11-2024, 10:50 PM.

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          #5
          Originally posted by stj View Post
          Triode

          somebody link mr carlsons lab
          Maybe the frequency was too high and a TWT should have been used.
          PeteS in CA

          Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
          ****************************
          To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
          ****************************

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