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Lenovo B560 10203-1 LA56 Power on no display

Discussion in 'Casie Studies' started by Administrator, Aug 12, 2017.

  1. Administrator

    Administrator Administrator Staff Member

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    Laptop power on no display 5 v dropping to 4.6V
    3.3v
    dropping to 2.6V and Regualtor (BD95280) heating up lightly.
    found c466 (near U37 ic) showing 2 ohms resistance ...
    still short in track after removal .....
    then replaced U37 (SMSC 2103)
    problem solved


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