Removing/Replacing The Keyboard Assembly - Texas Instruments Extensa 660 Series Maintenance Manual

6.5.6 Removing/Replacing the Keyboard Assembly

The procedure for removing and replacing the keyboard assembly is as follows:
1. Turn off the computer; disconnect the AC power adapter (if attached), and
remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2.
2. Press the Cover Release Latch and open the notebook to a full 180 degree
position.
3. Locate the keyboard tabs along the top edge of the notebook. Using a small
plastic stick, press down and toward the front of the unit on the leftmost tab.
Repeat for remaining two tabs to free the keyboard.
4.
Lift the keyboard up and out of the notebook and rest the keyboard, face
down, on the palm rest area.
5.
Disconnect two ZIF-type keyboard cable connectors CN16 and CN18 from the
main board.
6. Remove Keyboard Assembly from the base assembly.
7. Replacement is the reverse of steps 1 through 6. To secure the keyboard in
place, carefully press on the keyboard in the area of the three tabs until the
keyboard snaps in place.
Figure 6-10 Removing/Replacing the Keyboard Assembly
6-16 Field Service
Release Keyboard by pressing
1
three tabs along top edge
of Keyboard
Disconnect CN16 and CN18
2
(ZIF Connectors)
Keyboard
Release
Tabs