6. MAIN UNIT REPLACEMENT EO18-11006A
6.2 Replacing the MAIN PC Board Ass’y
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4) Draw the MAIN PC Board Ass’y to the front side, then disconnect the Drawer Cable from CN2.
5) Remove the two screws which secure the MAIN PC Board Ass’y to the CNTR2 Plate and the two hexagon
screws which secure the serial interface connector, then remove the CNTR2 Plate from the MAIN PC Board
Ass’y.
6) Replace the MAIN PC Board Ass’y with a new one, and then reassemble in the reverse order of removal.
7) Make a diagnostic test to check the operation of the new MAIN PC Board Ass’y. (Refer to Section 3.
DIAGNOSTIC TEST OPERATION.)
MAIN PC Board Ass’y
Drawer Cable
CN2
Hexagon Screw
Screw
CNTR2 Plate
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