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DELL N4030 No 3.3v

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    #1

    DELL N4030 No 3.3v

    I need help on this please DELL N4030 DJ1 CP Discrete 09259-2 48.4EK01.021.The problem is 19v is present but there is no 3.3v on regulator ic PU4603, But on the power switch it has 2.9v. anyone can help me on this please
    Last edited by String2016; 01-05-2020, 06:16 PM.
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    #2
    Re: DELL N4030 No 3.3v

    All of the pins are ov except pin 13=18v and pin 8=3v fluctuating and pin 8 is beeping to ground

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      #3
      Re: DELL N4030 No 3.3v

      What is the exact resistance to ground on pin 8?
      OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

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        #4
        Re: DELL N4030 No 3.3v

        red on the ground and black on pin 8 1.0k and black on the ground and red on pin 8 0.18k

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          #5
          Re: DELL N4030 No 3.3v

          pin 16 PU4603 = 0v, missing + PWR_SRC ...
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          Every donation made will go towards server fees and maintenance costs.

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            #6
            Re: DELL N4030 No 3.3v

            yes pu16 have no voltage also

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