Texas Instruments EXTENSA 570CD - Manual (Page 70)

6. Lift the status LCD assembly out of the unit.
7. Reinstallation of the status LCD assembly is the reverse of Steps 1
through 6.
6.5.8
Removing/Replacing the Top Case Assembly
To remove and replace the top case assembly assembly, perform the
following procedure:
1. Remove the keyboard assembly as described in Paragraph 6.5.5.
2. Remove the display assembly as described in Paragraph 6.5.6.
3. Remove the LCD status assembly as described in Paragraph 6.5.7.
4. Unplug the small cable located next to the keyboard ZIF connector.
5. Flip the unit over and remove the eight screws from the base. Do Not
remove the flat head screw at the rear of the unit next to the switch.
Note: You do not need to remove the two screws holding the RAM
access door to the base assembly.
6. Remove the screw to the right of the display cable interface board
(located behind the status LCD assembly).
7. Turn the unit over and lift the rear of the top case assembly one to
two inches; then pull the top case towards you while keeping the base
in place.
8. Reinstallation of the top case assembly is the reverse of Steps 1
through 7 above.
6.5.9 Removing/Replacing the Glidepad Assembly
To remove/replace the glidepad assembly, perform the following procedure:
1. Remove the top case assembly as described in Paragraph 6.5.8.
2. Flip the top case assembly over and lay it on a flat surface.
3. Remove the four screws that secure the glidepad board assembly to
the plastics.
4. Carefully lift the glidepad board out of the plastics. Note that the
glidepad is tethered to the button board by a cable and LIF
connectors.
5. Replacement of the glidepad assembly is the reverse of Steps 1
through 4 above.
6.5.10 Removing/Replacing the IR/Sound Assembly
To remove and replace the IR/sound assembly, perform the following
procedure:
1. Remove the top case assembly as described in Paragraph 6.5.8.
6-12 Field Service