thread top ad

Collapse

Announcement

Collapse
No announcement yet.

820-3115 no backlight

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • 820-3115 no backlight

    Board came in with no liquid damage. Turns on with high fan spin but no image or backlight. Im suspecting pch issue?

    R9704 0V

    C9712 0v

    C9713 0V

    Is there something else I should check?

  • #2
    Light on USB mouse? CPU VCore Present?

    Comment


    • #3
      no light on usb mouse and 0V on CPU VCore

      Comment


      • #4
        Post voltage for the other coils.
        ALL_SYS_PWRGD is stable?
        Try one RAM module at a time.
        Check if R7402/03 are both OK.
        Do you get at least a drop pulse at TON pins of U7400?

        Comment


        • #5
          Solved. R7402 was the problem.

          Comment

          thread bottom ad

          Collapse
          Working...
          X