# C2 Additional Main Board

Check Point / チェックポイント

Be sure to perform a FW update after replacing parts.

1. Remove the 4 screws fixing the C2 Additional Rear Cover (A).
   
   
   • : 3x8D
2. While pulling the C2 Additional Rear Cover (A) out in the direction of the red arrow, rotate it in the direction of the blue arrow to disengage the 3 hooks, then remove the C2 Additional Rear Cover.
   
3. Disconnect the cables from the connectors (B) (CN1/CN3/CN4/CN6/CN7) of the Main Board (A).
   
4. Remove 4 screws and remove the C2 Additional Main Board (A).
   
   
   • : 3x8D