Dell Latitude 7220 Rugged Extreme Tablet Service Manual - Page 60

Docking Board, Removing the docking board

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Docking Board Removing the docking board Prerequisites 1. Follow the procedure in before working inside your tablet. 2. Remove the batteries. 3. Remove the display assembly. 4. Remove the heat-sink. 5. Remove the system fan. 6. Remove the solid-state drive. 7. Remove the WLAN. 8. Remove the WWAN. 9. Remove the microphone. 10. Remove the front camera. 11. Remove the coin-cell battery. 12. Remove the system board. About this task The figure indicates the location of the docking board and provides a visual representation of the removal procedure. Steps 1. Remove the adhesive tape that secures the docking circuit board on the system chassis. 2. Remove the five (M2x5) screws that secure the docking circuit board on the system board chassis. NOTE: As the docking board is positioned beneath the system board, ensure to remove the system board, to replace a faulty docking board. 3. Lift the latch, and slide to remove the docking board cable on the system board. 60 Removing and installing components

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Docking Board
Removing the docking board
Prerequisites
1.
Follow the procedure in
before working inside your tablet
.
2.
Remove the
batteries
.
3.
Remove the
display assembly
.
4.
Remove the
heat-sink
.
5.
Remove the
system fan
.
6.
Remove the
solid-state drive
.
7.
Remove the
WLAN
.
8.
Remove the
WWAN
.
9.
Remove the
microphone
.
10.
Remove the
front camera
.
11.
Remove the
coin-cell battery
.
12.
Remove the
system board
.
About this task
The figure indicates the location of the docking board and provides a visual representation of the removal procedure.
Steps
1.
Remove the adhesive tape that secures the docking circuit board on the system chassis.
2.
Remove the five (M2x5) screws that secure the docking circuit board on the system board chassis.
NOTE:
As the docking board is positioned beneath the system board, ensure to remove the system board, to replace
a faulty docking board.
3.
Lift the latch, and slide to remove the docking board cable on the system board.
60
Removing and installing components