3.7  Replacing the Power Supply Unit 
1.  Refer to Remove the Electronics Cover to remove the electronics cover.   
 
2.  Remove 3 screws (fastened by 7.5 kg±15% kg-cm) as indicated below. 
3.  Remove 1 screw (fastened by 7.5 kg±15% kg-cm) on main board as indicated to remove power supply unit.   
4.  Remove/Replace the power supply unit.   
 
 
 
 
 
 
 
 
5.  Reassemble the parts in the reverse procedures.