Texas Instruments 51X - Manual (Page 67)

6.5.4
Opening/Replacing the Upper Case Assembly
To remove/replace the Top Case Assembly, perform the following procedure:
1. Remove the AC Adapter, battery pack, any installed PCMCIA options,
the Keyboard Assembly and Heat Sink Assembly as described in
Paragraphs 6.5.1 through 6.5.3
2. Turn the notebook over and remove the six Phillips-head screws from
the bottom of the notebook. Then turn notebook rightside up.
3. Remove the four screws that secure the Top Case Assembly to the
base.
Remove set of
four screws
holding heat sink
Heat Sink
Assembly
Release keyboard
assembly and
tilt up against
Display.
Figure 6-3 Removing/Replacing the Heat Sink Assembly
6-10 Field Service