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Latitude 5430 Rugged Service Manual

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Removing the dock I/O board

Prerequisites

  1. Follow the procedure in before working inside your computer.
  2. Remove the battery.
  3. Remove the primary M.2 2280 solid state drive or primary M.2 2230 solid state drive.
  4. Remove the base cover.
  5. Remove the Wi-Fi I/O board.
  6. Remove the WLAN card.

About this task

The following images indicate the location of the dock I/O board and provide a visual representation of the removal procedure.

This image displays the removal of dock I/O board

Steps

  1. Disconnect the GPS, WWAN, and WLAN antennas from the dock I/O board.
    Table 1. Connectors on the dock I/O board The following table provides the antenna-cable color scheme for the WLAN card for your laptop:
    Cable number Antenna
    11 GPS antenna on dock I/O board
    12 WWAN antenna on dock I/O board
    10 WLAN antenna on dock I/O board
  2. Unroute the antenna cables from the routing channels on the system chassis.
  3. Remove the (M2.5x5) screw that secures the dock I/O board to the system board.
  4. Flip the dock I/O board and disconnect the dock I/O flexible printed cable from the system board.
  5. Lift the dock I/O board from the system board.

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