Nintendo DS Main Circuit Board Replacement

Remove the cartridge from the console.

Use a Phillips #00 Screwdriver to remove the screw securing the battery door to the rear case, turning the screw counter-clockwise.

Remove the battery door.

Use a plastic opening tool or spudger to pry out the battery from the bottom. If a plastic open tool or spudger isn't available, your fingernails may work.

Remove the battery from the Nintendo DS.

Remove the 7 Y0 screws located on the back.

With your hands, pry the back panel off the main case.

Separate the back from the front, and set it aside.

Using a Phillips #00 screwdriver, remove the 4 screws on the circuit board.

Unlock the two large ribbon cables by moving the black clip up.

Carefully pull the ribbon cables down and out with your fingers.

Locate the two small ribbon cables, beneath the rightmost large ribbon cable.

Slide the locks for the small ribbon cables down to the side, and remove the cables.

Locate the Wifi antenna pigtail connector

Remove the antenna by grasping it at the head with tweezers. Using a slight rocking motion, pull up to dislodge the connector.

Feed the ribbon cables through the opening on the board.

Pull up and remove the circuit board, and set it aside.