Replacing the Top System Board



Replacing the Top System Board

Perform the following steps when you replace the top system board:
  1.  Before inserting the top system board,  move the power switch cover forward toward the  front of the base assembly.  Make sure that the spring in the power switch  is fully inside the plastic housing.
  2.  Insert the top system board,  tilting the board to the left and aligning the  appropriate connectors with the slots  on the base assembly.  Be careful to align the power switch  cover with the switch mechanism on the board.
  3.  Gently press the battery pack connector down  to place the connector in the slot on the base assembly.
  4.  Ensure that the inverter card is firmly attached to the  top system board, and that the infrared window is attached  to the inverter card.  The infrared window has a top and bottom.  Install the window with the long side with the partial cutout  facing the top of the inverter card.
  5.  Feed the speaker cable between the inverter card and the  top system board to the right of the inverter card connector  to the board.
  6.  As you press lightly down on the top system board  and the inverter card, slip the bottom corners of the inverter card  into the slots in the base assembly.
  7.  Gently but firmly press on the middle of the top  system board to finish inserting the board and  to ensure a complete connection between the  board-to-board connectors.


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