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

6.5.9 Removing/Replacing the CPU Board

To remove and replace the CPU 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 screw securing the CPU Board to the Main Board and pull up to
remove the board from connector J1.
5. Replacement is the reverse of Steps 1 through 4.
Figure 6-14 CPU Board Assembly Removal/Replacement
6-20 Field Service
Remove Keyboard and
1
Heat Sink Assemblies
Remove screw and
2
Cable Connector at J1
J 1