Tài liệu LAPTOP POWER SEQUENCE

Discussion in 'Computer Repair' started by bga, Jul 3, 2015.

  1. bga

    bga Moderator

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    LAPTOP POWER SEQUENCE FINAL
    BY INTERSOT

    Two voltages .
    Main fault :2.5VSUSOr1.5V_S5Output bad (not voltage output and low ) .
    1, VIN_1845Enter19V Voltage problems.
    2, PL17 , PL9Open bad .
    3, S5_ON,SUSONPoor or no signal sent to1845IC。4, 2.5VSUSAnd1.5V_S5Two voltage -to-ground resistance becomes smaller or short- circuits for RMA Board , the general line of components for the burn (PU5,PQ82,PQ99,PQ83,PQ106,PQ87,U16) ..etc
     

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