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

(1) Disconnect the EH connector CN6. 

(2) Release the lock of the FPC connectors CN1, CN2, CN4, CN5 and disconnect the signal 

cable (FPC).   

(3) Slide the lock of the FPC connector CN7 toward the PSU board side, then press it down 

toward the front and remove the PSU signal cable.   

(4) Remove the screws (M3x8) fixing the LOGIC board in position at 2 locations. 

 

 

 

 

 

 

 

 

* On handling the FPC connector 

To release the lock, release it by gently 

flipping it.   

Never pinch the lock lever with the fingers 

or hook onto it (especially with fingernails). 

Doing so might damage the lock lever. 

Note 

 

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(5) Remove the LOGIC board.   

(6) When installing the LOGIC board, place it so that the LOGIC board is locked by the tabs 

for fixing it in position (at 2 locations). 

 

 

 

 

 

(5) 

 

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(1) Remove the 6 types of printed-circuit board (X-SUS, Y-SUS, ABUSL, ABUSR, LOGIC, 

PSU) that are installed in the panel module.   

For the removal procedure, refer to Section 5.2 to 5.7. 
 
* Before removing the above 6 types of board, be sure to remove both ends of the single 
power cable (BLU) and those of the five FPC cables (WHT) that are used to connect the 
circuit boards.   

 

 

 

 

 

 

 

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(2) ***Install the printed-circuit board that was removed in step (1) and fix it in position.   

(Refer to the exploded view 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 on top of the Y-SUS 
board (See the photo).