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HP ProBook 450 G5 DA0X8CMB6E0 Two Resistors Missing

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    HP ProBook 450 G5 DA0X8CMB6E0 Two Resistors Missing

    i Have Hp ProBook 450 G5 DA0X8CMB6E0 REV:E Mother Board with Liquid Damage.
    i Guess here two resistors are missing.please some one give me the values of two missing Resistors,
    Appreciate your help.Thank you.
    Attached Files

    #2
    Re: HP ProBook 450 G5 DA0X8CMB6E0 Two Resistors Missing

    Hi. Some mixed news.

    1) The IC markings appear to be '1U=Q09' - is this correct ?

    2) '1U=' is the mark used by Richtek for their p/n RT8097ALGE. See attached datasheet.

    3) Using this p/n, unable to locate the regulator in the schematic for the DA0X8CMB6E0 logic board

    Updates:

    4) Mystery solved !!

    See here:

    https://www-elvikom-pl.translate.goo..._tr_pto=nui,sc

    and attached.

    HP logic board uses a different p/n in the schematic for which the Richtek is a drop in replacement

    If you search for the alias name - the regulator site and the requested part details can be found in the schematic.
    Attached Files
    Last edited by mon2; 11-17-2021, 04:32 PM.

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      #3
      Re: HP ProBook 450 G5 DA0X8CMB6E0 Two Resistors Missing

      Dear Mon2 appreciate your time on sorting out this mystery. Thank you.

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