3.5 Replacing the Main Board 
 
1. Refer to section 3.1 and 3.4 to remove electronics cover and multi-interface board. 
2. Disconnect all connectors from the main board. 
3. Remove 2 copper pillars and 3 screws. 
 
   
4. Replace the main board. 
5. Reassemble the parts in the reverse procedures.