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HP Notebook - 15-ay019ca

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    HP Notebook - 15-ay019ca

    BDL50 LA-D702P REV 1.0

    it powers on for 4 seconds and then off, with no display
    i thought of power switch and bios but none worked

    #2
    Re: HP Notebook - 15-ay019ca

    Originally posted by mazloum View Post
    BDL50 LA-D702P REV 1.0

    it powers on for 4 seconds and then off, with no display
    i thought of power switch and bios but none worked
    What is the resistance to GND Bios pin8, what voltage is missing on the coils when you power the MB

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      #3
      Re: HP Notebook - 15-ay019ca

      i have 19v, 3.14v near battery charger, 3.2v on power switch, all other volts are missing

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        #4
        Re: HP Notebook - 15-ay019ca

        the resistance to GND Bios pin8 = 10.6 ohm

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          #5
          Re: HP Notebook - 15-ay019ca

          Originally posted by mazloum View Post
          the resistance to GND Bios pin8 = 10.6 ohm
          The resistance is very low, try to find why.
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            #6
            Re: HP Notebook - 15-ay019ca

            Check SIO pin 110 75 37 112 is the +3/+5 VALW line is ok ?
            Last edited by Techtiger; 02-26-2020, 10:54 AM.

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              #7
              Re: HP Notebook - 15-ay019ca

              pin 110 75 37 112 are all 3.2v

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                #8
                Re: HP Notebook - 15-ay019ca

                +3/+5 VALW line is ok ?and EC_RSMRST# before you press the power button after you press the power button Voltage?
                Last edited by Techtiger; 02-27-2020, 03:05 AM.

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                  #9
                  Re: HP Notebook - 15-ay019ca

                  Originally posted by mazloum View Post
                  the resistance to GND Bios pin8 = 10.6 ohm
                  With this resistance, chances of pch being bad is very high.

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