Installing The Ush And Sd-Card Reader Daughterboard - Dell NOT22422 Owner's Manual

Installing the USH and SD-card reader daughterboard

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
CAUTION: The information in this installation section is intended for authorized service technicians only.
NOTE: The following procedure is applicable for computer shipped with a USH module only.
The following image indicates the location of the USH and SD-card reader daughterboard and provides a visual representation of
the installation procedure.
Steps
1. Align and place the USH and SD-card reader daugherboard into the slot on the palm-rest assembly.
2. Replace the four (M2x1.5) screws to secure the USH and SD-card reader daugherboard to the palm-rest assembly.
3. Adhere the NFC module FFC on the USH and SD-card reader daughterboard.
4. Connect the USH and SD-card reader daughterboard FFC cable, smart-card reader FFC cable (for systems shipped with a
SmartCard) and NFC module FFC cable to the connector on the SD-card reader daugherboard.
5. Align and place the right speaker into the slot on the palm-rest assembly.
6. Replace the two (M1.6x1.8) screws to secure the right speaker in place.
72 Removing and installing Field Replaceable Units (FRUs)