Nikon D3000 Motherboard Replacement

Remove six 3 mm x 2.5 mm Phillips head screws from the bottom right of the camera bottom.

Remove three 3 mm x 5.5 mm Phillips head screws from the bottom left of the camera bottom

Lift the battery cover and remove two 3 mm x 5 mm Phillips head screws.

Remove the two 3 mm x 5.5 mm Phillips head screws from the either side of the viewfinder.

Remove four 3 mm x 5.5 mm Phillips head screws from the sides of the camera.

Remove two 3 mm x 4 mm Phillips head screws from under the SD card door.

Lift the back of the camera and, using the blue prying tool, lift the tab from the LCD ribbon connector.

Slide the ribbon connector away from the bottom of the camera and remove the back cover containing the LCD to expose the motherboard.

Lift the tab on the ribbon connector and pull away the ribbon to expose a 4 mm x 4 mm Phillips head screw.

De-solder the red (upper), two grey (lower), red (lower), and blue (lower) wires from the motherboard.

Remove five 4 mm x 4 mm Phillips head screws holding the motherboard to the camera frame.

Lift the tabs and pull away the ribbon connectors shown .

Lift the motherboard and disconnect the grey connector from the bottom.

Disconnect and remove the motherboard.