Dell Latitude 7340 Service Manual - Page 53

WLAN-antenna module, Removing the WLAN-antenna module

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3. Connect the camera cable, display cable, battery cable, speaker cable, clickpad flexible flat cable, USH daughter board flexible flat cable (for models shipped with a USH daughter board), RTC cable, finger print reader power button cable, Darwin cables, and P cable, on the system board. 4. Connect camera and display cables on the system board. 5. Replace the six screws (M2x3) securing the display, camera, and USB Type-C brackets. Next steps 1. Install the heat-sink. 2. Install the 2-cell battery or the3-cell battery, whichever is applicable. 3. Install the M.2 2230 solid-state drive. 4. Install the base cover. 5. Follow the procedure in After working inside your computer. WLAN-antenna module Removing the WLAN-antenna module Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the M.2 SSD. 4. Remove the WWAN card. 5. Remove the 2-cell battery or the3-cell battery, whichever is applicable. 6. Remove the heat sink. 7. Remove the system board. About this task NOTE: This procedure applies only to computers shipped with a WLAN-antenna module installed on the palm-rest and keyboard assembly. The following images indicate the location of the WLAN-antenna module and provide a visual representation of the removal procedure. Removing and installing components 53

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3.
Connect the camera cable, display cable, battery cable, speaker cable, clickpad flexible flat cable, USH daughter board
flexible flat cable (for models shipped with a USH daughter board), RTC cable, finger print reader power button cable,
Darwin cables, and P cable, on the system board.
4.
Connect camera and display cables on the system board.
5.
Replace the six screws (M2x3) securing the display, camera, and USB Type-C brackets.
Next steps
1.
Install the
heat-sink
.
2.
Install the
2-cell battery
or the
3-cell battery
, whichever is applicable.
3.
Install the
M.2 2230 solid-state drive
.
4.
Install the
base cover
.
5.
Follow the procedure in
After working inside your computer
.
WLAN-antenna module
Removing the WLAN-antenna module
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove the
base cover
.
3.
Remove the
M.2 SSD
.
4.
Remove the
WWAN card
.
5.
Remove the
2-cell battery
or the
3-cell battery
, whichever is applicable.
6.
Remove the
heat sink
.
7.
Remove the
system board
.
About this task
NOTE:
This procedure applies only to computers shipped with a WLAN-antenna module installed on the palm-rest and
keyboard assembly.
The following images indicate the location of the WLAN-antenna module and provide a visual representation of the removal
procedure.
Removing and installing components
53