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将塑料拆机工具插入位于电池与电池仓之间的凹槽中。
用塑料拆机工具撬起电池。
抓住电池的顶部边缘,将其从电池仓中抬起。
Remove the nine 6.3 mm black Phillips screws from the lower case.
These screws will strip very easily unless you use the correct size bit. Apply pressure to the screws while turning to avoid stripping them.
Remove the 2.4 mm silver Phillips screw above the game cartridge slot.
Lift the bottom edge of the lower case off the rest of the 3DS.
There are still two ribbon cables connecting the mother board to the case, so be sure not to pull the lower case all the way off.
Use a plastic opening tool to pry the shoulder button ribbon cables off their sockets on the motherboard.
Remove the lower case from the device.
Use the flat end of a spudger to pry the back of the Circle Pad off the motherboard.
Lift the Circle Pad joystick off the motherboard and lay it on its back so that the ribbon cable connector is accessible.
Use the flat end of a spudger or your fingernail to flip up the retaining flap on the Circle Pad ribbon cable ZIF socket.
Be sure you are prying up on the hinged retaining flap, not the socket itself.
Lift the Circle Pad joystick off the motherboard.
To decrease the chance of losing it during repairs, you may want to remove the two thin pads underneath the Circle Pad joystick.
Use a spudger or screwdriver to lift the pads up and remove them from the device.
Insert the flat end of a spudger between the SD board and the motherboard.
Pry up slowly to loosen the SD board from the RF shield underneath it. If you pry too quickly, you may tear the shield or break its solder points.
Run the spudger along the sides of the SD board to free it from the adhesive holding it in place.
Once completely freed, lift the SD board straight off the motherboard.
Slide the flat end of a spudger under the corner of the Wi-Fi board, and lift it away from the motherboard.
The Wi-Fi antenna cable is still connected to the Wi-Fi board, so you cannot completely remove the Wi-Fi board yet.
Lift the Wi-Fi board off the motherboard and rotate it so that the bottom side is facing up.
Use the flat end of a spudger to pry the Wi-Fi antenna cable connector off its socket on the Wi-Fi board.
Remove the Wi-Fi board from the device.
Use the flat end of a spudger or your fingernail to flip up the retaining flap on the speaker assembly ribbon cable ZIF socket.
Be sure you are prying up on the hinged retaining flap, NOT the socket itself. Damaging the socket or cable will result in a 3DS that will blink its power LED when you press the power button - and do nothing else.
Disconnect the speaker assembly ribbon cable with a pair of tweezers.
Use the flat end of a spudger or your fingernail to flip up the retaining flap on the camera ribbon cable ZIF socket.
Be sure you are prying up on the hinged retaining flap, not the socket itself.
When reassembling, note that the gold contacts face toward the motherboard (as opposed to the camera cable's gold contacts facing away).
Remove seven Phillips screws securing the motherboard to the upper case:
Four 2.5 mm gold screws
Two 3.5 mm black screws
One 2.5 mm silver screw
When you remove this screw the volume slider can fall out.
Lift the side of the motherboard that sits along the bottom edge of the 3DS.
Continue lifting the motherboard assembly and rotate it until it is resting next to the rest of the device.
Use the flat end of a spudger or your fingernail to flip up the retaining flap on the LCD ribbon cable ZIF socket.
Be sure you are prying up on the hinged retaining flap, not the socket itself. Damaging the socket or cable will result in a 3DS that won't have a functional top screen.
Set the motherboard assembly down so that the lower LCD is side-by-side with the motherboard.
Use the tip of a spudger or your fingers to peel back the white tape covering the touchscreen ribbon cable connector.
Use the flat end of a spudger or your fingernail to flip up the retaining flap on the touchscreen ribbon cable ZIF socket.
Be sure you are prying up on the hinged retaining flap, not the socket itself.
Use the flat end of a spudger or your fingernail to flip up the retaining flap on the lower LCD power ribbon cable ZIF socket.
Be sure you are prying up on the hinged retaining flap, not the socket itself.
Pull the ribbon cable out of the connector with a pair of tweezers.
Grasp the ribbon cable as close to the connector as possible with the tweezers to avoid tearing it.
Use the flat end of a spudger or your fingernail to flip up the retaining flap on the lower LCD data ribbon cable ZIF socket.
Be sure you are prying up on the hinged retaining flap, not the socket itself.
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