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Casio fx-82MS Button Replacement

소개

The Casio fx-82MS is a commonly used simple calculator in many schools. It has a very long lifetime. But sometimes a button stops working, which can be very annoying. In this guide we will guide you through the steps to fix this problem.

필요한 것

  1. Casio fx-82MS Button Replacement, Button: 1 단계, 이미지 1/2 Casio fx-82MS Button Replacement, Button: 1 단계, 이미지 2/2

    • 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.

    편집

  2. Casio fx-82MS Button Replacement: 2 단계, 이미지 1/1

    • Flip over the calculator.

    • Locate the 6 screws on the backside.

    • Remove all six screws.

    편집

  3. Casio fx-82MS Button Replacement: 3 단계, 이미지 1/1

    • Once all six screws have been removed, take the back part off of the calculator.

    편집

  4. Casio fx-82MS Button Replacement: 4 단계, 이미지 1/2 Casio fx-82MS Button Replacement: 4 단계, 이미지 2/2

    • 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.

    편집

  6. Casio fx-82MS Button Replacement: 5 단계, 이미지 1/1

    • After having soldered away all six plugs, lift up the PCB.

    • Flip the board sideways as shown in the picture.

    편집

  7. Casio fx-82MS Button Replacement: 6 단계, 이미지 1/2 Casio fx-82MS Button Replacement: 6 단계, 이미지 2/2

    • Remove the rubber mat.

    • Do this carefully, to make sure the buttons stay in their place.

    편집

  8. Casio fx-82MS Button Replacement: 7 단계, 이미지 1/2 Casio fx-82MS Button Replacement: 7 단계, 이미지 2/2

    • Replace the broken button.

    편집

  9. Casio fx-82MS Button Replacement: 8 단계, 이미지 1/2 Casio fx-82MS Button Replacement: 8 단계, 이미지 2/2

    • Put the rubber mat back in its place.

    • Make sure you push the six slightly damaged plugs through the rubber mat.

    편집

  10. Casio fx-82MS Button Replacement: 9 단계, 이미지 1/1

    • Push the PCB back into place.

    • Again make sure you push the slightly damaged plugs through the PCB, to make everything fits perfectly again.

    편집

  11. Casio fx-82MS Button Replacement: 10 단계, 이미지 1/1

    • Place the back side of the casing back on top of the front.

    편집

  12. Casio fx-82MS Button Replacement: 11 단계, 이미지 1/1

    • Put all six screws back in the back side of the casing.

    편집
결승점

작성자

다른 기여자 4명과 함께

Rebecca Dowling

회원 가입일: 12/05/16

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Delft University of Technology, Team 1-6, Flipsen Fall 2016 Delft University of Technology, Team 1-6, Flipsen Fall 2016 회원

TUD-FLIPSEN-F16S1G6

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