Dell Latitude 7230 Rugged Extreme Tablet Service Manual - Page 59

Coin-cell battery, Removing the coin-cell battery

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Steps 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. In sequential order (as indicated on the heat sink), replace the four screws (M2x3) to secure the heat sink to the system board. 3. Align the screw hole on the WWAN thermal plate with the screw hole on the system board. 4. Replace the single screw (M2x3) to secure the WWAN thermal plate to the system board. 5. Align the screw hole on the WWAN bracket with the screw hole on the system board. 6. Replace the two screws (M2x3) to secure the WWAN bracket to the system board. 7. Adhere the conductive tape to the WWAN thermal plate. 8. Align and place the system-board shielding cover on the WWAN card and heat sink. Press along the sides until it clicks in place. 9. Adhere the gasket to the top-left side of the system-board shielding cover. 10. Route the fan cable through the routing guides along the right side of the system-board shielding cover. 11. Connect the fan cable to the connector on the system board. Next steps 1. Install the back-cover assembly. 2. Install the batteries. 3. Install the handle (for models shipped with handle). 4. Install the stylus. 5. Follow the procedure in after working inside your tablet. Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in before working inside your tablet. 2. Remove the stylus. 3. Remove the handle (for the models shipped with a handle). 4. Remove the batteries. 5. Remove the back-cover assembly. About this task The figure indicates the location of the coin-cell battery and provides a visual representation of the removal procedure. Removing and installing components 59

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Steps
1.
Align the screw holes on the heat sink with the screw holes on the system board.
2.
In sequential order (as indicated on the heat sink), replace the four screws (M2x3) to secure the heat sink to the system
board.
3.
Align the screw hole on the WWAN thermal plate with the screw hole on the system board.
4.
Replace the single screw (M2x3) to secure the WWAN thermal plate to the system board.
5.
Align the screw hole on the WWAN bracket with the screw hole on the system board.
6.
Replace the two screws (M2x3) to secure the WWAN bracket to the system board.
7.
Adhere the conductive tape to the WWAN thermal plate.
8.
Align and place the system-board shielding cover on the WWAN card and heat sink. Press along the sides until it clicks in
place.
9.
Adhere the gasket to the top-left side of the system-board shielding cover.
10.
Route the fan cable through the routing guides along the right side of the system-board shielding cover.
11.
Connect the fan cable to the connector on the system board.
Next steps
1.
Install the
back-cover assembly
.
2.
Install the
batteries
.
3.
Install the
handle
(for models shipped with handle).
4.
Install the
stylus
.
5.
Follow the procedure in
after working inside your tablet
.
Coin-cell battery
Removing the coin-cell battery
Prerequisites
1.
Follow the procedure in
before working inside your tablet
.
2.
Remove the
stylus
.
3.
Remove the
handle
(for the models shipped with a handle).
4.
Remove the
batteries
.
5.
Remove the
back-cover assembly
.
About this task
The figure indicates the location of the coin-cell battery and provides a visual representation of the removal procedure.
Removing and installing components
59