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The mainboard controls all of the software on the Nikon D40. A faulty mainboard can cause problems that will require a new board. This guide will show you how to replace the camera's mainboard.
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Remove the two visible 6.0 mm Philips #0 screws on the left and right sides of the viewfinder. These screws are highlighted in red.
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Remove the four 6.0 mm Philips #0 screws on the left and right sides of the camera.
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Remove the four highlighted 3.0 mm Philips #0 screws on the bottom of the camera.
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While pulling the bottom down, remove the back of the camera.
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Remove the solder connecting the red wire to the mainboard.
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Desolder the 4 smaller wires near the bottom of the mainboard.
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Use the plastic opening tool to release the ribbon cables attached to the mainboard.
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Remove the five 3.0mm Philips #1 screws holding the mainboard down.
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Lift the mainboard up to reveal the final connection.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Cal Poly, Team 6-19, Maness Winter 2014 crwdns2935289:0Cal Poly, Team 6-19, Maness Winter 2014crwdne2935289:0
CPSU-MANESS-W14S6G19
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What is the ordering of the small wires on the bottom? It is hard to put back together from the photos. Thanks!
