Installing The Left Speaker - Dell Latitude 9420 Service Manual

Steps
1. Remove the single (M1.6x1.8) screw securing the Proximity sensor bracket to the plam-rest assembly.
2. Disconnect the Proximity sensor cable for the left speaker's WWAN antenna module from the RF board.
3. Disconnect the left speaker cable from connector on the system board, and unroute the speaker cable from the routing
guides.
4. Remove the single (M1.6x1.8) screw that secure the left speaker, and lift the left speaker off the system.

Installing the left speaker

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the speaker and provides a visual representation of the installation procedure.
38 Removing and installing components