Dell Latitude 7220 Rugged Extreme Tablet Service Manual - Page 26

Function keys

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Steps 1. Place the LCD panel by less than 90° and use a plastic scribe to connect the eDP cable to the connector on the system board. 2. Connect the function key cable to the connector on the system board. 3. Connect the touch cable to the connector on the system board. 4. Align the LCD panel on the chassis. 5. Press the edges of the display assembly to secure it to the chassis. 6. Flip the tablet. NOTE: Ensure to place the tablet on a flat surface. 7. Replace the 19 (M2.5x5) screws that secure the display assembly to the chassis. NOTE: DO NOT force tighten the screws, to avoid damage to the screws thread. Next steps 1. Install the batteries. 2. Follow the procedure in after working inside your computer. Function keys NOTE: The function key buttons are NOT keyed for correct installation. These keys can be installed with several incorrect combinations which leads to RDs. During a service incident, technicians must note the function keys button layout to ensure that the function keys are installed at their correct location. 26 Removing and installing components

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Steps
1.
Place the LCD panel by less than 90° and use a plastic scribe to connect the eDP cable to the connector on the system board.
2.
Connect the function key cable to the connector on the system board.
3.
Connect the touch cable to the connector on the system board.
4.
Align the LCD panel on the chassis.
5.
Press the edges of the display assembly to secure it to the chassis.
6.
Flip the tablet.
NOTE:
Ensure to place the tablet on a flat surface.
7.
Replace the 19 (M2.5x5) screws that secure the display assembly to the chassis.
NOTE:
DO NOT force tighten the screws, to avoid damage to the screws thread.
Next steps
1.
Install the
batteries
.
2.
Follow the procedure in
after working inside your computer
.
Function keys
NOTE:
The function key buttons are NOT keyed for correct installation. These keys can be installed with several
incorrect combinations which leads to RDs. During a service incident, technicians must note the function keys button
layout to ensure that the function keys are installed at their correct location.
26
Removing and installing components