Latitude 5430 Chromebook Service Manual

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Removing the system board

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the SIM card.
  3. Remove the SD card.
  4. Remove the base cover.
  5. Remove the battery.
  6. Remove the M.2 2230 solid-state drive.
  7. Remove the wireless card.
  8. Remove the WWAN card
  9. Remove the power-button board.
  10. Remove the volume-control board.
  11. Remove the speakers.
  12. Remove the touchpad.
  13. Remove the heat sink.
  14. Remove the fan.
  15. Remove the display assembly.

About this task

The following image indicates the connectors on your system board for 2-in-1 configuration.

Removing the system board

  1. Display touch cable
  2. Display cable
  3. Volume-control cable
  4. Keyboard-backlight cable
  5. Keyboard cable
  6. Battery cable
  7. Touchpad cable
  8. M.2 2230 solid-state drive
  9. Fingerprint reader cable
  10. Wireless card cable
  11. Power-button cable

The following image indicates the connectors on your system board for clamshell configuration.

Removing the system board

  1. WWAN card slot
  2. Display touch cable
  3. Display cable
  4. Volume-control cable
  5. Keyboard-backlight cable
  6. Keyboard cable
  7. Battery cable
  8. Touchpad cable
  9. M.2 2230 solid-state drive
  10. Fingerprint reader cable
  11. Wireless card cable
  12. Power-button cable

The following images indicate the location of the system board and provides a visual representation of the removal procedure.

Removing the system board

Removing the system board

Steps

  1. For 2-in-1 configurations, open the latch and disconnect the power-button cable from the system board.
    NOTE:The power-button cable is only shipped with 2-in-1 configurations.
  2. Open the latch and disconnect the fingerprint reader cable from the connector on the system board.
  3. Peel off the tapes that secure the antenna cables to the system board and also the black adhesive tape from the M.2 SSD slot that is attached to the system board.
  4. Disconnect the speaker cable from the connector on the system board.
  5. Open the latch and disconnect the touchpad cable from the connector on the system board.
  6. Open the latch and disconnect the keyboard cable from the connector on the system board.
  7. Open the latch and disconnect the keyboard-backlight cable from the connector on the system board.
  8. For 2-in-1 configurations, open the latch and disconnect the volume-control cable from the connector on the system board.
    NOTE:The volume-control button cable is only shipped with 2-in-1 configurations.
  9. Remove the two screws (M2x4) that secure the left type-c bracket.
  10. Lift the left type-c bracket from the system board.
  11. Remove the two screws (M2x4) that secure the right type-c bracket.
  12. Lift the right type-c bracket from the system board.
  13. Remove the five screws (M2x2) that secure the system board to the palm-rest and keyboard assembly.
  14. Lift the system board at angle off the palm-rest and keyboard assembly, to clear the ports from the port openings.
    NOTE:

    Lift up the system board at an angle to ensure that the various connectors of the system board are free and are out of the port openings.

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