Introduction
This guide outlines how to replace the motherboard of the Definitive Technology W7, with a model number of 093207098505.
Tools
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            Flip the speaker upside down, then use the Phillips #2 screwdriver remove the 4 screws securing the bottom cover. 
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            Use the metal spudger to remove all rubber feet. 
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            Unscrew all four screws from under the rubber feet. 
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            You can now use the prying tool to pry the bottom panel off the speaker. 
 
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            Push up the locking tabs on the sides of the ribbon cable connector. 
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            Gently pull the ribbon cable out from the connector to remove it. 
 
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            Tilt the motherboard outwards from the speaker. 
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            Remove all five connectors from the motherboard. 
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            Remove the motherboard from the speaker. 
 
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            Using the Phillips #2 screwdriver, remove the three screws from the network card. 
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            Remove the network card from the motherboard. 
 
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To reassemble your device, follow these instructions in reverse order.