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Lenovo B50-10 only power led and nothing else

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    Lenovo B50-10 only power led and nothing else

    good colleagues, I have received a Lenovo B50-10 with aivp1 / aivp2 la-c771p rev 1.0 board that its symptoms are that when you turn on the power button only the led lights up, I have checked all the sources and they get voltage even it gets hot Something the processor but I have no video, making a visualization on the board I see that the audio chip gets very hot, so I see that the fault is there.
    Apparently this equipment has been manipulated because it is missing the jack connector that has been desoldered, I suppose to cancel it and I do not know if that is the reason why it is hot, which I doubt, my question is there is a way to find out what the chip is of audio the culprit of the ignition without desoldering it and that it was some other component next to it that was putting it short (as the saying goes, not everything that heats is short)
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