Lenovo Legion Y740 LA-G132P power on, but CPU and GPU are not heating

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  • A1yn88
    Senior Member
    • Mar 2014
    • 112
    • Romania
    #1

    Lenovo Legion Y740 LA-G132P power on, but CPU and GPU are not heating

    Hi everyone. I have in the workshop Lenovo Legion Lenovo legion Y740, LA-G132P which had a burnt component, PUZ7 from the schematic. I replaced that part from a donor motherboard, same result. I noticed that VCCSA is missing. I have attached a diagram and measurements. I saw that many people have a problem with the PQZ1 mosfet next to it. Maybe it's the same cause, only that I didn't find anyone on the forum to say whether the repair was successful or not. Can someone help me? Thank you.
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