Introduction
The guitar keys can wear out over time or stop working completely. This guide demonstrates how to successfully remove the keys to diagnose internal problems.
Tools
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            Remove the nine 12mm Phillips #1 screws around the perimeter of the case with a screwdriver. 
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            Remove the two 15mm Phillips #1 screws connecting the body panel to the neck panel with a screwdriver. 
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            Pull off the rear case. 
 
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            Remove the five 12mm Phillips #1 screws along the neck with a screwdriver. 
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            Pull off the top shell of the neck to expose the internal features. 
 
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            Use a screwdriver to remove the 10 mm Phillips #1 screws from the key sensor board. 
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            Lift up on the key sensor board to remove it from the guitar neck. 
 
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            Reach one finger under the guitar to push the key out of the casing. 
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            Repeat this step for the four remaining keys. 
 
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To reassemble your device, follow these instructions in reverse order.