4.Replacement and Adjustment 
95 
 
Disconnect the touch panel FFC while pressing the lock release button. 
 
When installing the main board [A], be careful of the connection to the FCU behind it. 
 
When Installing the New Main Board 
After replacing the main board, the following settings must be made correctly. 
1.  Enter the "Maintenance Mode", and set the SPs below; 
  Destination 
Four-line LCD models: SP menu > [Engine Maintenance] > [Destination] 
Touch panel models: SP menu > [Engine Service Setting] > [Destination] 
M0C3-17, M0C6-17, M0C4-17, M0C5-17, M0C7-17 
M0C3-27, M0C6-27, M0C4-27, M0C5-27, M0C7-27 
M0C3-21, M0C4-21, M0C5-21