soc getting hot, no display

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  • usyusy
    Senior Member
    • Sep 2021
    • 171
    • Pakistan

    #1

    soc getting hot, no display

    The soc becomes a burning hot in exactly 2 seconds, is it normal or not?
    There is no core, and the board is LA-C451P. (1.0v prime, 1.0v pch, vccsa, ram etc are generating).
    Board taking about 500mA.
    For testing, just inject 0.9V on core coil, the cpu normally heat but ampere showing 500-700mA.
    Any clue.,.,regards
  • mcplslg123
    Badcaps Legend
    • Jun 2015
    • 7262
    • india

    #2
    Re: soc getting hot, no display

    check +VCCPLL_OC_SOURCE at page 17
    Voltage at PJP27/32/35
    UD1,pin4 voltage
    RUNPWROK

    What is the resistance to GND on vcore and VCCGT coil?

    Comment

    • todenkopf
      Member
      • Oct 2014
      • 49
      • UA

      #3
      Re: soc getting hot, no display

      500ma is far too much for board without Vcore, consider a short 3valw_pch

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