Latitude 7220EX Rugged Extreme Tablet Service Manual

Installing the display assembly

If you are replacing a component, remove the existing component before performing the installation procedure.

The figure indicates the location of the component and provides a visual representation of the installation procedure.

Replacing the LCD

Place the LCD panel by less than 90°, use a plastic scribe to connect the eDP cable and close the latch. Secure the connector with the attached adhesive tape that came with the eDP cable.
Using a plastic scribe, connect the function key cable to the connector on the system board and close the latch. Secure the connector with new adhesive tape.
Using a plastic scribe, connect the touch cable to the connector on the system board and close the latch. Secure the connector with new adhesive tape.
Align the LCD panel on the chassis.
Press the edges of the display assembly to secure it to the chassis.
Flip the tablet.
NOTE Ensure to place the tablet on a flat surface.
Replace the 11 (M2.5x5) screws that secure the display assembly to the chassis.
CAUTION The torque setting for this step is critical to maintain IP20 rating. For all screws in this step, the torque requirement is 4 kgf-cm.