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cause of bad caps in new equipment

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    #1

    cause of bad caps in new equipment

    Recently i repaired new (about 100hours worked) lcd 19'' monitor which had two SAMWHA 1000uF/10V/105C bad (bulged, each to other) electrolytic caps in output stage +5.1V of smps/inverter. Also main scaler board (which is supplied with +5.1V) was dead .

    Can we exactly find main cause od this failure? Are caps simply low quality or there was some over voltage maybe?
    Why main scaler board was dead too?
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    #2
    Re: cause of bad caps in new equipment

    It's because of low quality shit
    The capacitors are crap but probably the whole design is cheap so the capacitors have to work harder than if it was designed better...

    "Made in China"
    "The one who says it cannot be done should never interrupt the one who is doing it."

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      #3
      Re: cause of bad caps in new equipment

      Per Hansson is having a bad day. - But he's right.
      Mann-Made Global Warming.
      - We should be more concerned about the Intellectual Climate.
      -
      Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
      - Dr Seuss
      -
      You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
      -

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        #4
        Re: cause of bad caps in new equipment

        This is really the exact 1000uF 10V Samwha that is plaguing the electronic stuff.

        We're swapping them out.

        Cheers, Wizard

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