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e5-471 shorted +3V_RTC

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    #1

    e5-471 shorted +3V_RTC

    Originally posted by meritosari View Post
    Found more than 2pcs board with RTC problem on this series, ( Sometimes D17 blown too)
    Also Check RTC_RST# have more 20Kohm resistance to GND. Hope is approx Mohm value.
    if RTC_RST# only 20K, may be hard to fix, till replace SoC.

    Good luck!
    i have this board that have a shorted +3V_RTC this means?? DEAD PCH?? PCH is heating when inject 1v?

    also when 19v is injected integrated PCH is heating immediately consuming 160ma. i want a confirmation that PCH is dead.
    Tags: None
    #2
    Re: e5-471 no power

    Originally posted by Wachenaggo View Post
    i have this board that have a shorted +3V_RTC this means?? DEAD PCH?? PCH is heating when inject 1v?

    also when 19v is injected integrated PCH is heating immediately consuming 160ma. i want a confirmation that PCH is dead.
    Very Very likely its a shorted PCH

    Comment

      #3
      Re: e5-471 no power

      Originally posted by mcplslg123 View Post
      Very Very likely its a shorted PCH
      what most likely caused that?? its clean no water damage.

      Comment

        #4
        Re: e5-471 shorted +3V_RTC

        Thats for Intel to answer but this is a very common fault specially on SOC motherboards. RTC shorting in PCH section is affecting newer generations as well-already faced 5-6 cases of RTC section of PCH shorted on 11/12th gen intel platforms.

        Comment

          #5
          Re: e5-471 shorted +3V_RTC

          Originally posted by mcplslg123 View Post
          Thats for Intel to answer but this is a very common fault specially on SOC motherboards. RTC shorting in PCH section is affecting newer generations as well-already faced 5-6 cases of RTC section of PCH shorted on 11/12th gen intel platforms.
          sir if in the case, the PCH is heating by injecting 1v, is it Sure that the root cause is the PCH itself and not the components (e.g cap, resister etc.) on its path?

          Comment

            #6
            Re: e5-471 shorted +3V_RTC

            Originally posted by usyusy View Post
            sir if in the case, the PCH is heating by injecting 1v, is it Sure that the root cause is the PCH itself and not the components (e.g cap, resister etc.) on its path?
            The heat is generated on the shorted component, if it was a capacitor it would heat up itself and not the PCH.

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              #7
              Re: e5-471 shorted +3V_RTC

              ok got the point, thanks so sir

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