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Samsung NP350V5C Compal LA-8862P Mobo Issue: No Power on Vcore, +1.05VSP Coils, & Fan Shuts Off

Crizzzz 2346 0
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  • #1 17236202
    Crizzzz
    Level 1  
    H i Everyone!

    I'm having a problem with Compal LA-8862P mobo. When I press the power button, fan spins for few seconds and turns off. But the two LEDs near power button keep on. I checked for voltage and 3.3V, 5V are there. But no power showing in Vcore and 1.05VSP coils.

    I checked for shorts. With the processor 10Ω showing to the ground and after removing the processor it's 33Ω.

    I checked PU400(TPS51212DSCR) voltages after power on and it looks like in the picture.
    Samsung NP350V5C Compal LA-8862P Mobo Issue: No Power on Vcore, +1.05VSP Coils, & Fan Shuts Off

    Any help would be highly appreciated....
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