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HP W2228h not turning On

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    HP W2228h not turning On

    Hello Guys my first screen repair HP W2228h not turning on I tested the power board
    ILPI-029 rev.A
    Power board small noise coming out when I connect the driver board mainboard the noise become louder
    no broken caps need help

    14 pin connector
    Pin 1 0V
    Pin 2 0V
    Pin 3 0.66V
    Pin 4 1.3V
    pin 5 4.78V
    pin 6 GND
    pin 7 0V
    pin 8 0V no/off
    pin 9 0V
    pin 10GND
    pin 11GND
    pin 12 5.30V
    pin 13 5.30V
    pin 14 5.30V


    U300
    LD1117A
    L33AUC
    All voltages 0V

    U102

    Pin 1 .0V
    Pin 2 1.8V
    Pin 3 3.31V

    U101

    Pin 1 .0V
    Pin 2 3.31V
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