Difficulty
Easy
Steps
11
Time Required
10 minutes
Sections
1
- Button
- 11 steps
Flags
0
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Introduction
What you need
Step 1
Button
- This is the calculator in question.
- The tools you will need are: a Phillips screwdriver, a spudger and a soldering iron.
- If you don’t have access to a solding iron, you need a stanley knife instead.
This is the calculator in question.
The tools you will need are: a Phillips screwdriver, a spudger and a soldering iron.
If you don’t have access to a solding iron, you need a stanley knife instead.
1024
Step 2
- Flip over the calculator.
- Locate the 6 screws on the backside.
- Remove all six screws.
Flip over the calculator.
Locate the 6 screws on the backside.
Remove all six screws.
Step 3
- Once all six screws have been removed, take the back part off of the calculator.
Once all six screws have been removed, take the back part off of the calculator.
Step 4
- Locate the rubber contact points.
- Solder the rubber contact points, while using the spudger to pry the PCB loose.
- PCB stands for Printed Circuit Board.
- Toxic gasses might be created. Hence, do this in a well ventilated room.
- Start with the lower plugs (left on the photo). Gently pry the PCB loose at the same time.
- For this step a third person is required for safety. One person uses the solder iron, the other one uses the spudger to pry the PCB loose.
- If you don’t have accessibility to a solder iron, use a utility knife to remove the plugs.
Locate the rubber contact points.
Solder the rubber contact points, while using the spudger to pry the PCB loose.
PCB stands for Printed Circuit Board.
Toxic gasses might be created. Hence, do this in a well ventilated room.
Start with the lower plugs (left on the photo). Gently pry the PCB loose at the same time.
For this step a third person is required for safety. One person uses the solder iron, the other one uses the spudger to pry the PCB loose.
If you don’t have accessibility to a solder iron, use a utility knife to remove the plugs.
Step 5
- After having soldered away all six plugs, lift up the PCB.
- Flip the board sideways as shown in the picture.
After having soldered away all six plugs, lift up the PCB.
Flip the board sideways as shown in the picture.
Step 6
- Remove the rubber mat.
- Do this carefully, to make sure the buttons stay in their place.
Remove the rubber mat.
Do this carefully, to make sure the buttons stay in their place.
Step 7
- Replace the broken button.
Replace the broken button.
Step 8
- Put the rubber mat back in its place.
- Make sure you push the six slightly damaged plugs through the rubber mat.
Put the rubber mat back in its place.
Make sure you push the six slightly damaged plugs through the rubber mat.
Step 9
- Push the PCB back into place.
- Again make sure you push the slightly damaged plugs through the PCB, to make everything fits perfectly again.
Push the PCB back into place.
Again make sure you push the slightly damaged plugs through the PCB, to make everything fits perfectly again.
Step 10
- Place the back side of the casing back on top of the front.
Place the back side of the casing back on top of the front.
Step 11
- Put all six screws back in the back side of the casing.
Put all six screws back in the back side of the casing.
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Author
with 4 other contributors
Rebecca Dowling
Member since: 12/05/2016
101 Reputation
1 Guide authored
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Team
Delft University of Technology, Team 1-6, Flipsen Fall 2016
Member of Delft University of Technology, Team 1-6, Flipsen Fall 2016
TUD-FLIPSEN-F16S1G6
3 Members
1 Guide authored
