6. Remove the two screws securing the CN-1522 board. Remove the connector and flexible card wires as shown in the figure. n Refer to Section 2-8 before disconnecting or connecting the flexible card wire.
Flexible card wires
CN2
Precision P2 x 5
CN-1522
5. Remove the four screws and remove the rail bracket. 7. Install a new board in the reverse order of removal.