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Compaq cq40 no power issue 3v5v

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    #21
    Re: Compaq cq40 no power issue 3v5v

    sorry already buy secondhand motherboard and do swap. im giveup to trace failure

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      #22
      Re: Compaq cq40 no power issue 3v5v

      Originally posted by sasser View Post
      only seen PU102 didnt find PU102B but in schematic hav PU102B is that wrong shcema? but i found PU102 below the measure result

      pin 1 0v
      pin 2 1.23v
      pin 3 1.34v
      pin 4 0v
      pin 5 18.74v
      pin 6 3.22v
      pin 7 1.22v
      pin 8 1.80v
      The voltage of pin 8 and 7 is not normal. please check again.

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