This part is shown on page 6 of the Assembly Diagram.

Disconnect Main Power. Remove the fuse from the main board. It's located just above and to the left of the wireless receiver unit. Carefully disconnect the main battery power by separating the connector shown at right. It's hard to separate, and you don't want to stick a screwdriver down inside it because you'll short across the battery terminals. A couple pairs of pliers and some patience did the trick for us.

Disconnect All Cables. Use a razor blade to slice the glue holding the receiver antenna to the body's gear box (figure at right) and cut it free. Also, remove the phillips screw securing it to the gear box. Unplug any remaining connectors that are still plugged into the main board. These will include J2 and J10 for the left arm and leg, J3 and J11 for the right arm and leg, J13 for the mouth LEDs, J15 for the video transmitter, J4 for the head, and any others you see that are still plugged in.

Take Out the Main Board. Unscrew the 4 phillips screws securing the main board to the robot and lift it out. If you want to reuse or test this board, be careful to avoid electrostatic discharge while handling it. Wrap it in anti-static plastic and set it aside.

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