Einleitung
This guide will explain how to remove the back cover and motherboard on your device in order to access the A/V port. This guide will provide detailed steps for replacement of the A/V port.
Werkzeuge
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            Place the tablet face down on a soft, stable surface that will protect the screen. 
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            Next, Scrape off the seal over the screw in the back of the tablet with a Metal Spudger. 
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            Use the Phillips #000 Screwdriver to remove the M1.4 × 2.5 screw. 
 
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            Starting on the side, work your way around the the tablet to pop off the back cover. You will want to utilize a metal Spudger for this. 
 
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            Using the Phillips #000 screwdriver, remove the four M1.4 × 2.5 screws holding the motherboard in place. 
 
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            Remove the M1.4 × 2.5 screw securing the battery lead to the battery with the Phillips #000 screwdriver. 
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            With a pair of tweezers, gently move the battery lead so it will not obstruct the motherboard. 
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            With a pair of tweezers, carefully unplug the strip connecting the screen to the motherboard. 
 
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            Remove the motherboard by lifting the top edge and pulling outward to free it from the small tabs that hold it in place. 
 
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            Flip the motherboard to its back side. 
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            Desolder the six audio/visual port contact points. 
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            Use tweezers to remove the existing audio jack to remove from the motherboard entirely. 
 
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To reassemble your device, follow these instructions in reverse order.