VCCCPUCORE missing Lenovo Ideapad Y700 NM-A541

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

    VCCCPUCORE missing Lenovo Ideapad Y700 NM-A541

    Hello!
    I need HELP.
    I have a Lenovo Ideapad Y700 NM-A541 Rev1.0 and I just change the PCH and an IC from 1v because was short circuit. Now is powering on but no video. I noticed the VCCCPUCORE and VCCGFXCORE are missing.
    My question is if the PCH may be to blame for these routes or if there is something else wrong. I can't find any direct connection between them.
    PU402/403/404 - on the vcccpucore rail i have PIN1- 4.92v / PIN2 - 2.028v / PIN3-4.82v / PIN4 - 5.06v and is the same on PU405/406 form vccgfxcore.
    Thanks
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