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5.12 LOGIC Circuit Board Removal/Installation Procedure 

Remove the circuit board following the steps below. To install the circuit board, reverse the removal 
procedure.   

(1) Release the lock of CN4, CN5, CN6, CN7, and then reconnect the signal cable (FPC). 
(2) Release the lock of CN3 

by lifting the lock

 and then reconnect signal cable.   

(3) Remove the fixing screws (M3x8) fixing LOGIC at 3 locations.   
(4) Release the space holder (rod) at the 2 locations. 

(5) Remove the LOGIC board.

 

 
 

               

 

 
 

 

             
 
 
 

 

                                             

             

 

(1)CN5

(1)CN4 

(1)CN6

(1)CN8 

(1)CN7 

(2)CN3 

(3) 

(3) 

(3) 

(4) 

(4) 

* 

On handling the FPC connector 

To release the lock, release it by gently flipping it with the nail of the 
thumb or forefinger. Never pinch the lock lever with fingers or hook 
on it (especially with a fingernail). Doing so might damage the lock 
lever.  

Note 

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②

 

Pick up and release upper the lock of space
holder (rod). Moreover, confirm the lock surely
combines intuition when you install the board.

Note 

Pick up 

Pick  up

Space holder (rod) 

PCB

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5.13 Complete Panel chassis Removal / Installation Procedure    

 

(1) Remove the board of 11 types (X-SUS, Y-SUS, ABUS-U1, U2, U3, U4, D1, D2, D3, D4, and LOGIC) that 

are installed in the panel module. For the removal procedure, refer to section 5.2 to 5.7. 

      Note: Before removing the board of 11 types, be sure to release the three power supply cables and tweleve 

FFC cables (White color).   

       

 

 

 

 
 

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(2) Install the 11 tpyes boards that were removed by step (1) at panel chassis of repair part. (Refer to 

t he disassembly figure shown in Section 5.1) 

 

    (3) Print the serial ID number of the product to be repaired on the product label which is prepared 

separately. Attach the product label to the panel chassis above the Y-SUS board (See the 
following photo.) 

 
 
 
 
 
 
 
 
 
 
 
                     
 

 
 
 
 
 
 
 
 
 
 

Product label