Main Board

Check Point / チェックポイント
  • Be sure to update the firmware after replacement.

  1. Remove the 4 screws and remove the right cover sub (A).
    • : 3x10DW
  2. Remove 1 screw and slide the rear cover (A) in the direction of the arrow to remove it.
    • : 3x10DW
    Assembly / 組み立て

    Align the 5 hooks on the rear cover with the 5 holes on the main unit and attach it.
  3. Remove one screw and remove the shield plate (A) upwards.
    • : 3x8D
    Assembly / 組み立て

    Hook the 2 hooks (A) of the shield plate to the 2 holes (B) of the circuit board box and attach the shield plate (C).
  4. Disconnect the cable (A) from the connector.
  5. Remove 3 screws.
    • : 3x8D
    Caution / 注意

    When tightening screws, make sure that the screw holes are aligned before tightening.

    If the screw holes do not match, the threads may be stripped.
  6. Lift the handle to release the hook.
  7. Open the board box upper case (A).
  8. Remove the Mech info ROM board (A).
  9. Remove the TPM Board (A).
  10. Remove the User info ROM board (A).
  11. Loosen the 8 screws of the MCU Board (A).
  12. Slide the MCU Board (A) to the right and disconnect it from the two connectors (B) on the main board.
  13. Remove 4 screws.


    • : 4x8D
  14. Slightly lift the board box (A) to release the hook.
  15. Open the board box (A).


    Check Point / チェックポイント
    • By hooking the hook (A) of the board box to the hole in the main body, the position of the board box is stabilized, making it easier to work.
    • Do not close the circuit board box while hooking the hook (A) on the main unit. The frame may be deformed.
  16. Remove the cables (A) and FFC (B) from the connectors and release the SATA cable from the clamp (C).
  17. Remove the SATA cable (A) from the connector.


    Caution / 注意

    Remove the SATA cable by holding the position shown in the figure, as there is a risk of disconnecting the connector on the main board.
  18. Close the board box and open the board box upper case.
  19. Remove the four cables (A) from their connectors.
  20. Remove 7 screws and remove the main board (A).
    • : 3x8D