Nikon D70 DC/DC Board Replacement

Use your finger tip to pull the battery release tab toward the center of the D70.

Open the battery door and rotate it away from the bottom cover.

Pull the battery out of the D70.

Remove the following eight screws securing the bottom cover to the D70:

Six 5.8 mm Phillips screws

One 10.7 mm Phillips screws

One 8.2 mm Phillips screws

Carefully pull the bottom cover to separate it from the body of the D70.

Remove the bottom cover from the D70.

Remove the four ZIF ribbon cables highlighted in red by using the following procedure:

Use your fingernail to flip up the ZIF cable retaining flap on each socket.

Pull the ribbon cable straight out of its socket.

Carefully peel back the piece of tape covering the Compact Flash ribbon cable socket.

Use your fingernails to carefully pull the ZIF cable lock away from its socket.

Use a pair of tweezers to pull the Compact Flash ribbon cable out of its socket.

Remove the four 4.3 mm Phillips screws securing the memory compression board to the D70.

Use a pair of tweezers to pull the USB connector bracket away from the edge of the memory compression board.

Grab the memory compression board by its edges at the position shown in the first picture.

Pull the memory compression board straight up off the DC/DC board to avoid damaging the connector on the underside of the memory compression board.

Disconnect the DC-In board connector from the DC/DC board by pulling its connector away from the center of the board.

Use your thumbnails to push the CCD connector out of its socket.

Use your fingernail to carefully flip up the ZIF cable retaining flap for the ribbon cable socket near the front cover.

Use a pair of tweezers to carefully pull the ribbon cable out of its socket.

Use your fingernail to flip up the ZIF cable retaining flap on the socket near the battery opening.

Use a pair of tweezers to pull the ribbon cable out of its socket.

Carefully de-solder the eight leads boxed in red.

De-solder the positive and negative DC-In leads (boxed in red) from the DC/DC board.

Remove the four 4.2 mm Phillips screws securing the DC/DC board to the D70.

Remove the DC/DC board from the D70, minding any cables that may get caught.