Dell Latitude 7230 Rugged Extreme Tablet Service Manual - Page 49

Installing the USB daughter-board, Mini-serial RS232 daughter-board

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4. Remove the two screws (M1x2.65) that secure the USB daughter-board to the system board. 5. Remove the USB daughter-board away from the tablet. Installing the USB daughter-board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. Steps NOTE: For models shipped with a USB connector in the expansion bay at the top side of the tablet. 1. Align the screw holes on the USB daughter-board with the screw holes on the system board. 2. Replace the two screws (M1x2.65) to secure the USB daughter-board to the system board. 3. Connect the USB FPC to the connector on the USB daughter-board. 4. Align the screw holes on the USB-FPC bracket with the screw holes on the system board. 5. Replace the two screws (M2x3) to secure the USB-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. Mini-serial RS232 daughter-board Removing the Mini-serial RS232 daughter-board 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 tablet. 3. Disconnect the Mini-serial RS232 FPC from the connector on the Mini-serial RS232 daughter-board. 4. Remove the two screws (M1x2.65) that secure the Mini-serial RS232 daughter-board to the system board. 5. Remove the Mini-serial RS232 daughter-board away from the tablet. Installing the Mini-serial RS232 daughter-board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. Removing and installing components 49

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4.
Remove the two screws (M1x2.65) that secure the USB daughter-board to the system board.
5.
Remove the USB daughter-board away from the tablet.
Installing the USB daughter-board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
Steps
NOTE:
For models shipped with a USB connector in the expansion bay at the top side of the tablet.
1.
Align the screw holes on the USB daughter-board with the screw holes on the system board.
2.
Replace the two screws (M1x2.65) to secure the USB daughter-board to the system board.
3.
Connect the USB FPC to the connector on the USB daughter-board.
4.
Align the screw holes on the USB-FPC bracket with the screw holes on the system board.
5.
Replace the two screws (M2x3) to secure the USB-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
.
Mini-serial RS232 daughter-board
Removing the Mini-serial RS232 daughter-board
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 tablet.
3.
Disconnect the Mini-serial RS232 FPC from the connector on the Mini-serial RS232 daughter-board.
4.
Remove the two screws (M1x2.65) that secure the Mini-serial RS232 daughter-board to the system board.
5.
Remove the Mini-serial RS232 daughter-board away from the tablet.
Installing the Mini-serial RS232 daughter-board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
Removing and installing components
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