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Dell Inspiron 1440 5V not present

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    Dell Inspiron 1440 5V not present

    Hi everyone here,

    I hope somebody can give some advise for me.

    Dell Inspiron 1440
    Board ALBA UMA 6L MB 08265-1

    Original the chip TI51125 burnt and shorted.
    Had it replace with a new chip.
    Now I have 3.3V at PTC3301 capacitor, but PTC3302 only register 1.168V instead of 5V.

    Does anyone knows where should I look into ?
    Attached Files
    Mainly repair laptops, sometimes LCD/LED monitors. Also accepts changing/reballing/reflow BGA job request.

    #2
    Re: Dell Inspiron 1440 5V not present

    replace the mosfet of 5v.

    Comment


      #3
      Re: Dell Inspiron 1440 5V not present

      first check any short on 5V coil.

      Comment


        #4
        Re: Dell Inspiron 1440 5V not present

        that is problem mean you have some pins is not connected correctly .
        you need to use flux and solder all pins ... i hope it will work

        Comment


          #5
          Re: Dell Inspiron 1440 5V not present

          Tried all but no luck though....
          Mainly repair laptops, sometimes LCD/LED monitors. Also accepts changing/reballing/reflow BGA job request.

          Comment


            #6
            Re: Dell Inspiron 1440 5V not present

            any updates i have the same problem

            Comment

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