OnePlus One A0001 - No charge or turn on (Dead) Need schemantics

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  • sn4k3
    Senior Member
    • Oct 2016
    • 68
    • Portugal
    #1

    OnePlus One A0001 - No charge or turn on (Dead) Need schemantics

    Hello,

    I have a dead board from OnePlus One A0001.
    No charging (0.08A) Draw
    No Turn On
    No liquid damage
    Battery is OK

    Measured VBAT to GND at motherboard battery connector and near components, it output 1.1270V.
    Battery have 4.1V when unplugged, and is ok/good health, i tested and charge it outside phone.
    After that i tried to hook up my 5A power supply with CV 4.2V measured voltage and stay the same 4.2V as the input, not behave like the battery.
    Current being draw from PSU is alternating from 0.00A to 0.01A when connected

    What can cause such effect? Any component shorted to GND?

    Happen when tried to replace LCD and had to take off board

    I tried to find the schemantics but i found nothing on the internet.
    Does anyone have them?

    All i can find is high res photos from board: https://ifixit.com/Teardown/OnePlus+One+Teardown/26484
    I already took off shield from MB still no visible damage

    Regards
    Last edited by sn4k3; 07-03-2017, 01:43 PM.
    Tags: None
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