Nikon D70 DC/DC Board Replacement

Featured Guide

Featured Guide

This guide has been found to be exceptionally cool by the iFixit staff.

Replace the DC/DC Board in your Nikon D70.

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

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Edit Step 1 Battery  ¶ 

  • 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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Edit Step 2  ¶ 

  • 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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Edit Step 3 Bottom Cover  ¶ 

  • 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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Edit Step 4  ¶ 

  • 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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Edit Step 5 Memory Compression Board  ¶ 

  • 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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Edit Step 6  ¶ 

  • 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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Edit Step 7  ¶ 

  • 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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Edit Step 8  ¶ 

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

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Edit Step 9  ¶ 

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

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Edit Step 10  ¶ 

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

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Edit Step 11  ¶ 

  • 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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Edit Step 12 DC/DC Board  ¶ 

  • 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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Edit Step 13  ¶ 

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

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Edit Step 14  ¶ 

  • 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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Edit Step 15  ¶ 

  • 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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Edit Step 16  ¶ 

  • 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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Edit Step 17  ¶ 

  • 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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Edit Step 18  ¶ 

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

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Edit Step 19  ¶ 

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

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

For more information, check out the Nikon D70 device page.

Required Tools

Phillips #00 Screwdriver

$5.95 · 50+ In stock

Soldering Station

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Lead-Free Solder

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Tweezers

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