4. If the WWAN antenna is not connected to the terminal on the WWAN module, a protective sleeve must be
installed on the antenna connector, as shown in the following illustration.
Reverse this procedure to install the WWAN module.
Connector board cable
To remove the connector board cable, use this procedure and illustration.
NOTE: The connector board cable is available in the Cable Kit, spare part number M20833-001.
Before removing the connector board cable, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 44).
2. Remove the bottom cover (Bottom cover on page 44).
3. Disconnect the battery cable from the system board the battery (see Battery on page 45).
Remove the connector board cable:
1. Release the zero insertion force (ZIF) connector (1) to which the connector board cable is connected, and
then disconnect the cable from the system board.
2. Release the ZIF connector (2) to which the connector board cable is connected, and then disconnect the
cable from the connector board.
50 Chapter 5 Removal and replacement procedures for authorized service provider parts ENWW
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