Dell Latitude 7230 Rugged Extreme Tablet Service Manual - Page 44

Mini-serial RS232 port assembly

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Mini-serial RS232 port assembly Removing the Mini-serial RS232 port assembly 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. Steps NOTE: For models shipped with a Mini-serial RS232 connector in the expansion bay at the top side of the tablet. 1. Remove the two screws (M2x3) that secure the Mini-serial RS232 FPC bracket to the system board. 2. Remove the Mini-serial RS232 FPC bracket away from the system board. 3. Disconnect the Mini-serial RS232 FPC from the Mini-serial RS232 daughter-board. 4. Remove the four screws (M2x5) that secure the Mini-serial RS232 port cover in place . 5. Remove the Mini-serial RS232 port cover from the tablet. 6. Remove the two screws (M2x3) that secure the Mini-serial RS232 port assembly in place. 7. Remove the Mini-serial RS232 port assembly from the tablet. Installing the Mini-serial RS232 port assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. Steps NOTE: For models shipped with an expansion bay at the top side of the tablet. 1. Align the screw holes on the Mini-serial RS232 port assembly with the screw holes on the tablet. 2. Replace the two screws (M2x3) to secure the Mini-serial RS232 port assembly in place. 3. Align the screw holes on the Mini-serial RS232 port cover with the screw holes on the Mini-serial RS232 port. 4. Replace the four screws (M2x5) to secure the Mini-serial RS232 port cover in place. 5. Connect the Mini-serial RS232 FPC to the connector on the Mini-serial RS232 daughter-board. 6. Align the screw holes on the Mini-serial RS232 FPC bracket with the screw holes on the system board. 7. Replace the two screws (M2x3) to secure the Mini-serial RS232 FPC bracket to 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. 44 Removing and installing components

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Mini-serial RS232 port assembly
Removing the Mini-serial RS232 port assembly
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
.
Steps
NOTE:
For models shipped with a Mini-serial RS232 connector in the expansion bay at the top side of the tablet.
1.
Remove the two screws (M2x3) that secure the Mini-serial RS232 FPC bracket to the system board.
2.
Remove the Mini-serial RS232 FPC bracket away from the system board.
3.
Disconnect the Mini-serial RS232 FPC from the Mini-serial RS232 daughter-board.
4.
Remove the four screws (M2x5) that secure the Mini-serial RS232 port cover in place .
5.
Remove the Mini-serial RS232 port cover from the tablet.
6.
Remove the two screws (M2x3) that secure the Mini-serial RS232 port assembly in place.
7.
Remove the Mini-serial RS232 port assembly from the tablet.
Installing the Mini-serial RS232 port assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
Steps
NOTE:
For models shipped with an expansion bay at the top side of the tablet.
1.
Align the screw holes on the Mini-serial RS232 port assembly with the screw holes on the tablet.
2.
Replace the two screws (M2x3) to secure the Mini-serial RS232 port assembly in place.
3.
Align the screw holes on the Mini-serial RS232 port cover with the screw holes on the Mini-serial RS232 port.
4.
Replace the four screws (M2x5) to secure the Mini-serial RS232 port cover in place.
5.
Connect the Mini-serial RS232 FPC to the connector on the Mini-serial RS232 daughter-board.
6.
Align the screw holes on the Mini-serial RS232 FPC bracket with the screw holes on the system board.
7.
Replace the two screws (M2x3) to secure the Mini-serial RS232 FPC bracket to 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
.
44
Removing and installing components