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8.4.4. CONTROL Board
    (1) Remove the Bottom Cover. (See 8.2.3.)
    (2) Remove the screw fixing the USB connector.
    (3) Remove the 6 screws on the CONTROL Board.
    (4) Release the wires from the 2 clamps.
 
    (5) Disconnect the 6 connectors.
          Reassembling Note:
        When reassembling the CONTROL Board, attach
        the screw to the USB connector before fixing
        the bottom of the board with the 6 screws.