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Chromebook 3110 2-in-1 Service Manual

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Installing the system board

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The following image indicates the connectors on your system board.

Installing the system board

  1. WLAN card connector
  2. G-sensor cable connector
  3. World-facing camera cable connector
  4. Display cable connector
  5. Speaker cable connector
  6. Battery cable connector
  7. Keyboard cable connector
  8. Touchpad cable connector

The following images indicate the location of the system board and provide a visual representation of the installation procedure.

NOTE:If the CPU thermal pad on the palm-rest (underneath the system board) gets detached, adhere it back onto the palm-rest.

Installing the system board

Installing the system board

Steps

  1. Place the system board on the palm-rest assembly.
  2. Align the screw holes on the system board with the screw holes on the palm-rest assembly.
  3. Replace the seven screws (M2x4) to secure the system board to the palm-rest assembly.
  4. Align and place the left I/O bracket on the palm-rest assembly.
  5. Replace the screw (M2.5x5) and the screw (M2x4) to secure the left I/O bracket to the palm-rest assembly.
  6. Align and place the right I/O bracket on the palm-rest assembly.
  7. Replace the two screws (M2x4) to secure the right I/O bracket to the palm-rest assembly.
  8. Adhere the display cable on the system board.
  9. Connect the G-sensor cable, display cable, touchpad Flexible Flat Cable (FFC), keyboard Flexible Printed Circuits cable (FPC), and speaker cable to the connectors on the system board.
    NOTE:If applicable on your computer, connect the touchpad grounding Flexible Flat Cable (FFC) to the system board. touchpad grounding FFC
  10. For computers shipped with a world-facing camera, connect the world-facing camera cable to the connector on the system board.
  11. Align and place the display-cable bracket on the display-cable connector on the system board.
  12. Replace the screw (M2x4) to secure the display-cable bracket to the display-cable connector on the system board.
  13. Connect the WLAN antenna cables to the connectors on the WLAN card module.
  14. Replace the WLAN card bracket on the WLAN card module to secure the two antenna cables.
  15. Replace the screw (M2x3) to secure the WLAN card bracket to the WLAN card module on the system board.
  16. Route the battery cable through the routing channels between the system board and the 3-cell battery.

Next steps

  1. Install the base cover.
  2. Follow the procedure in After working inside your computer.

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