Step 5Replace the top LCD
Take careful note of which speaker is on which side, and which wires are soldered to which pad.
De-solder the speakers from the LCD's ribbon cable. You can do this without a wick or pump, but I chose to use a wick.
The photographs documenting the de-soldering are 'staged': I was not about to try and operate a finicky camera + magnifying glass in a cramped space while waving around a hot soldering iron, so I substituted a pen. Use your imagination here.
Using a wick: heat your iron up, and place the wick between the solder and your iron. The copper and flux should suck up all the solder, leaving you with bare speaker wires and metal pads on the cable.
With the speakers detached, your LCD should be entirely free to be tossed out.
Take your new LCD and solder the speakers on to the appropriate pads on the cable. There should be tiny '+' and '-' signs at each of the four contact points. Just figure out which speakers should be soldered to which pair, and then match the red wires to the '+' pads, and the black wires to the '-' pads.
Use minimal contact with your iron: the cable is plastic and may melt if you are heavy-handed with your soldering!
If you are only replacing the top LCD, and not replacing the shell:
-Take the ribbon cable, coil it and then feed it through the small section of hinge. You will want to coil it such that the loop is towards the front of the LCD (refer to photos), and have it wrapped around the white & black wires that connect to the bottom half of the DS.
-If there's a film over your LCD, remove it now!
-Now you can stick your LCD back into the shell. (If you don't have extra adhesive, you can use double sided tape.)
-You have probably displaced the white and black wires that connect to the other half of the DS, and maybe your speaker wires are a little unruly. Re-position these.
-Slide the top cover of the shell back on.
-Replace the 4 screws holding the top half of the DS together.
-Re-stick the rubber inserts on over the screws.
-Re-fit the two halves of the console together, pulling the ribbon cable through the slot.
-From the bottom half of the console, replace the 2 screws holding the hinge together.
-Plug the top LCD's ribbon cable into the PCB and latch down.
-Re-secure the bottom PCB to the shell.
-Re-install the shoulder buttons (button, hinge pin and spring!)
-Replace the bottom of the shell, and re-attach with the 3 tri-wing and 3 Philip's head screws.
-Replace your battery & secure.
You're done.
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