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    Zenbook (UX31A) charging problem

    Discussion in 'Asus' started by garfild, Mar 29, 2016.

  1. garfild

    garfild Newbie

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    Hey guys,
    I would like to ask you for a help. I got laptop Asus Zenbook - UX31A from a random guy. This laptop fell to the floor and there were few problems (wifi problem, touchpad problem and charging problem). I solved them all except charging...

    Details of the problem: when you are in the OS and you plug in charging adapter you can see message "charging" but the % of battery are lower and lower.

    Why I did:
    1) I resoldered connector but no effect, still same problem
    2) bought new battery - nothing change
    3) http://i.imgur.com/dVg7LBl.jpg I measured connector and seems to be OK
    4) I also measure pins on motherboard where battery is connected - from experience red is +,

    black i gnd and other colours are signals. So I measured it and on "red" pins are 0 Volts when adapter is connected.

    So there is problem somewhere in the PCB. Could you guys tell me what should I check? Is there any "charging IC" or something like that which should be changed to new one?
     
    garfild, Mar 29, 2016
    #1