Remove the 6 circuit board wire connectors on the left side of the board as shown.

Remove the 6 circuit board wire connectors on the right side of the board using the same method.

For helpful tips on removing the cables from the board, take a look at the Recognizing and Disconnecting Cable Connectors guide.

Be careful when disconnecting the wire connectors from the circuit board to avoid damage to the wires, sockets, or circuit board.

It is a good idea to keep a reference picture for reattaching the wires later, since many of them are very similar in color and size.