Removing/Replacing The Main Board Assembly - Acer Extensa 900 Series Maintenance Manual

6.5.15 Removing/Replacing the Main Board Assembly

To remove and replace the Main Board Assembly, use the following procedure:
1. Turn off the computer; disconnect the AC power adapter (if it is attached),
and remove the battery pack and PCMCIA cards as described in Paragraphs
6.5.1 and 6.5.2. Also disconnect the MPB (Paragraph 6.5.3) if attached.
2.
Remove the Keyboard Assembly as described in Paragraph 6.5.5.
3. Remove the Heat Sink Assembly as described in Paragraph 6.5.6.
4. Remove the Display Assembly as described in Paragraph 6.5.7.
5. Remove the Top Cover Assembly as described in Paragraph 6.5.10.
6. Remove fourteen screws from the bottom assembly as shown in Figure 6-20.
7.
Remove the top cover as described in Paragraph 6.5.10.
8. Remove the Main Board Assembly.
9. Replacement is the reverse of Steps 1 through 8.
Figure 6-20 Removing/Replacing the Main Board Assembly
Main Board Assembly
Field Service 6-27