Introduction

Replacing the DC/DC board requires a fine tipped soldering iron and knowledge of surface mount soldering.

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

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  2. Pull the battery out of the D70.
    • Pull the battery out of the D70.

    • It may be necessary to wiggle the battery while pulling to free it from its pocket in the case.

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    • 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

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

    • Remove the bottom cover from the D70.

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    • 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.

      • Be sure you are prying up the retaining flap, not the socket.

      • Pull the ribbon cable straight out of its socket.

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

    • It is not necessary to completely remove this piece of tape.

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

    • Do not try to completely remove the ZIF cable lock. It will move about 1 mm and stop.

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

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    • Be sure not to lose the small iron core around the DC-In ribbon cable.

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

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

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    • 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.

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

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

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

    • Be sure you are prying up on the movable cable retaining flap, not the socket itself.

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

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

    • Be sure you are prying up on the movable cable retaining flap, not the socket itself.

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

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    • Carefully de-solder the eight leads boxed in red.

    • Do not heat up the board excessively while de-soldering. There are many heat sensitive components mounted to the DC/DC board.

    • There are two black leads that look very similar. The thinner of the two connects closer to the center of the board.

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

    • Do not heat up the board excessively while de-soldering the leads.

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

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

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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