Asus ROG GX701GVR Have someone schematic/boardview for this board

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  • DeniS182
    Badcaps Veteran
    • Jun 2014
    • 328
    • Slovakia

    #1

    Asus ROG GX701GVR Have someone schematic/boardview for this board

    Hi all,
    I have here gaming laptop asus ROG with motherboard problem. Only orange LED is on, battery charging. 3.3V is on power button and on bios chip. 5V also present. All resistances on coils looks fine instead of GPU coils, only 0.5-0.6Ohms to ground. I don't know if gpu is dead. Can samoone help me to diagnose this problem? Thanks.

    Have someone schematic/boardview for this board?

    GX701GX REV. 1.6

    Click image for larger version  Name:	IMG_3026.jpg Views:	0 Size:	2.99 MB ID:	3274440

    Click image for larger version  Name:	IMG_3027.jpg Views:	0 Size:	2.60 MB ID:	3274439
    Attached Files
  • mon2
    Badcaps Legend
    • Dec 2019
    • 14023
    • Canada

    #2
    Found an different schematic in my paid but locked database.

    Check the RTC battery.

    Click image for larger version

Name:	bat1.png
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    Check the voltage to ground of the DCin mosfets x 2.

    Click image for larger version

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    If you are not seeing ~25v on the gate pins of the DCin mosfets, then continue to check the voltage to ground on the charger IC:

    REGN ; pin 24
    VCC ; pin 28
    ACDET ; pin 6
    ACOK ; pin 5
    ACDRV ; pin 4 = should be the same voltage as measured on the above gate pins on DCin mosfets.

    Comment

    • DeniS182
      Badcaps Veteran
      • Jun 2014
      • 328
      • Slovakia

      #3
      Thanks for the answer.

      RTC battery has 3.0V. 25V are present on gates of DCin mosfets. Battery is charging. Now after few atemps laptop starts normally - I see post logo. After few times when I turning laptop off and on - again nothing only orange led is ON.

      Comment

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