Asus GA15DH motherboard (PRIME B450M-K) schematics and boardview

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  • jedrusa
    New Member
    • Jun 2024
    • 3
    • US

    #1

    Asus GA15DH motherboard (PRIME B450M-K) schematics and boardview

    Hi,
    I'm trying to fix Asus GA15DH motherboard that seems to be virtually identical to more popular Asus PRIME B450M-K.
    Board does not power on. SuperIO ITE IT8655E-HXS, has 3.3V, receives power button signal but does not output signal to enable ATX PSU (PSON).
    I'm looking for schematics or boardview files for this or similar board.
    Any information about ITE IT8655E-HXS or similar part would be also extremally helpful. This is PLCC 64 part, cannot find any datasheet or pinout.
    On photo, I marked one scratched resistor. It measures 6.2k, possibly ok.
    Thanks,
    Andy
  • psyqoo
    New Member
    • Oct 2021
    • 6
    • United Kingdom

    #2
    Originally posted by jedrusa
    Hi,
    I'm trying to fix Asus GA15DH motherboard that seems to be virtually identical to more popular Asus PRIME B450M-K.
    Board does not power on. SuperIO ITE IT8655E-HXS, has 3.3V, receives power button signal but does not output signal to enable ATX PSU (PSON).
    I'm looking for schematics or boardview files for this or similar board.
    Any information about ITE IT8655E-HXS or similar part would be also extremally helpful. This is PLCC 64 part, cannot find any datasheet or pinout.
    On photo, I marked one scratched resistor. It measures 6.2k, possibly ok.
    Thanks,
    Andy
    In case if you still need it or someone else
    Attached Files

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    • psyqoo
      New Member
      • Oct 2021
      • 6
      • United Kingdom

      #3
      A repair guide
      Attached Files

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