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Compaq presario CQ56 With Power Issue,schematic of mobo

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    Compaq presario CQ56 With Power Issue,schematic of mobo

    please I have these presario CQ56 With power problem,When I plug inn then charger the power jack led does not come on and i don't know what to measure first

    Mobo number is
    DA0AX2MB6E1 REV:E

    Or if I can get schematic of mobo

    Thanks in advance
    Last edited by SMDFlea; 05-25-2020, 02:11 PM.

    #2
    Re: Compaq presario CQ56 With Power Issue

    [QUOTE=manuel.it.solution;962922]please I have these presario CQ56 With power problem,When I plug inn then charger the power jack led does not come on and i don't know what to measure first

    Mobo number is
    DA0AX2MB6E1 REV:E

    Or if I can get schematic of mobo

    Thanks in advance[/Q


    are you using a original 90W adapter ? in the MB Dc in Conn test the voltage on pin 3? after PD16 pin3 ? PQ55 supply on all legs ?
    Attached Files

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      #3
      Re: Compaq presario CQ56 With Power Issue

      Making my checks i relies PD1 was short to ground and after changing it the motherboard is working perfectly

      thanks very much for the schematic

      Comment


        #4
        Re: Compaq presario CQ56 With Power Issue,schematic of mobo

        T.q.tech tiger.

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