Nintendo DSi Trigger Button/SD Board Assembly

Introduction

Use this guide to replace your DSi's dual cameras and their shared ribbon cable.

 

Step 1 Battery

 

The screws remain captive to the battery cover.

Unscrew the two Phillips screws securing the battery cover to the lower case.

The screws remain captive to the battery cover.

Grasp the battery cover and lift out of the lower case.

 

Step 2

 

Grasp the battery and remove it from the DSi.

Wedge the edge of a spudger in between the top of the battery and its lower case housing and pry upwards to dislodge the battery.

Grasp the battery and remove it from the DSi.

 

Step 3 Lower Case Assembly

 

Use the tip of a spudger to pry the rubber feet out of the lower case.

Two screws are hidden underneath two rubber feet highlighted in red.

Use the tip of a spudger to pry the rubber feet out of the lower case.

 

Step 4

 

Six 5.2 mm Phillips screws.

Remove the following screws securing the lower case to the body of the DSi:

Six 5.2 mm Phillips screws.

One 2.7 mm Phillips screw.

 

Step 5

 

Carefully run the spudger along the edge of the outer casing, creating an opening between the body and the casing.

Insert the spudger in between the lower casing and lower panel near the top right corner of the DSi.

Carefully run the spudger along the edge of the outer casing, creating an opening between the body and the casing.

Continue running the spudger around the body of the DSi until the majority of the lower case has been separated.

 

Step 6

 

The lower case is still attached to the motherboard by the volume and SD board cable highlighted in red. Do not try to completely remove the lower case of the DSi yet.

Carefully lift the lower casing from its bottom edge.

The lower case is still attached to the motherboard by the volume and SD board cable highlighted in red. Do not try to completely remove the lower case of the DSi yet.

Pry the volume and SD board cable up from its socket on the motherboard with the flat edge of a screwdriver.

once the cable, highlighted in the orange box, is completely removed then you may take off the entire outer casing.

 

Step 7 Stylus Housing

Pull the stylus straight out its housing and remove it from the rear case.

 

Step 8


Remove the five 3.9 mm Phillips screws securing the stylus holder to the rear case.

 

Step 9

 

Grasp the stylus holder from the left side and lift upwards to remove it from the DSi.
Lift and remove the left plastic protector from the DSi's rear case.
Grasp the stylus holder from the left side and lift upwards to remove it from the DSi.

 

Step 10 Trigger Button and SD Board Assembly

Lift the right trigger button cover out of the rear case.

 

Step 11


Peel the trigger buttons/SD board cable of its channel in the rear case.
Lift and dislodge the SD board from its housing within the rear case.
Peel the trigger buttons/SD board cable of its channel in the rear case.

 

Step 12


 

When removing the trigger button/SD board assembly, don't lose the two steel nuts (highlighted in red) inserted into the lower case.
Lift the steel battery tray out of the lower case and remove the trigger button/SD board assembly.
When removing the trigger button/SD board assembly, don't lose the two steel nuts (highlighted in red) inserted into the lower case.
If your trigger button happens to fall apart during diassembly, the third picture shows its correct installed orientation. Be sure the spring is installed in the position shown, and that the two trigger button covers are unique to the side they are supposed to be installed in.

 

Author

Walter Galan
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