Step 4Assembly: Part 1
I started off the assembly process with fitting a new screen protector on my top screen. If you decided not to replace yours, you can skip this step. To get the fit right, I first put the screen in the top portion. I then placed the screen protector through the front to make sure the placement was correct. You can also replace the plastic boarder around the touch screen but since mine was the same color as the new one, I left it.
Placing the Speaker in
After the screen protector is in the correct position, you can place the speaker gaskets and speakers back in. I used some scotch tap when putting these back in as well. Make sure to tuck the wires in the groove below the screen. If the wires are sticking out, you will have difficulty putting the back of the top portion on.
Threading the LCD Ribbon Cable and Connecting the Hinge
Next, put the metal hinge coupling in place, roll up the LCD ribbon cable, and push it through. Now take the top of the bottom portion of your DS, the one that the buttons stick up through, and fit the cable through the slit and slide it into the top portion.
After the two pieces are together, the clicking hinge is placed in the top portion and the indicator light is screwed in place. Since I forgot to put the translucent piece in the indicator light, it is not shown in the picture. I placed the button pads in next, and connected the LCD ribbon cable to the main circuit board.
Connecting the Wifi and Microphone
Next, you can feed the microphone cable and the wifi antenna back through the hinge. In my picture, I placed the mic antenna over the DS game slot but it should be fed underneath the main circuit board. Make sure to tuck the microphone and speaker wires down in the groove. I taped this as well because I found that the wires liked to pop out.
Now, the wifi wire can be soldered back in place. I taped it down to the back of the screen to keep it steady. Make sure you solder the tip of the wire and the base and do not make a connection between the two. If there's a connection, it will not make the correct connection with the antenna. Place the wifi back in the correct orientation and tape it down.
Placing the Back of the Top Portion On
Once all of the wires are fed through the hinge and everything is in place, you can place the back cover of the top portion. Place the back of the top portion in the up position and put your top screen bumpers in place. A flathead is helpful to position the bumpers. Also, I used the old bumpers since they were the same color and had their adhesive still on them. The new ones did not have any adhesive but could be used with some double sided tape. Next, put the DS in the closed position and take off all the taped parts. Slide the back of the top portion into place, making sure all of the hooks catch on the top and sides and the screen bumpers are still in position. Also make sure no wires are being pinched. Screw the back into place and stick the square screw covers on. My screw covers didn't have any adhesive so I needed to use some double sided tape.
Buttons
After the wires are all in place and the back is secured, the A, B, X, Y,Start, Select, and D-pad buttons can be placed in the housing and the main circuit board can be screwed down.
Shoulder Buttons
Next, the shoulder buttons have to be put in place. The metal pins and those small spring levers are used. The picture came out a bit blurry but you can kind of see how they are placed. The spring goes in the middle of the shoulder button, with the metal pin feeding through it. That is placed in the hole in the DS housing. The button is perpendicular to the the housing. The one edge of the spring is stopped by the shoulder button itself and the other end is stopped by the housing. Pushing the button towards it's regular position will compress it. Make sure the pin is pressed all the way down. The shoulder button should catch on the case and stay in place. It's hard to explain the exact process but hopefully you paid attention when you were taking the DS apart.
Placing the Back of the Bottom Portion
The only thing left is to place the bottom of the DS on. You will need to place the plastic power switch and the volume switch into the housing before placing the back cover on. Be very careful with the shoulder buttons, they come loose easily since they are spring loaded. Make sure your volume switch and the plastic volume switch are in the same relative position. The power switch is in the down position so make sure the plastic power switch is also in the bottom position. Screw it in place, and you're in business!
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