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Casio fx-82MS Button Replacement

O que você precisa

  1. Casio fx-82MS Button Replacement, Button: passo 1, imagem 1 %32 Casio fx-82MS Button Replacement, Button: passo 1, imagem 2 %32
    • 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.

  2. Casio fx-82MS Button Replacement: passo 2, imagem 1 %32
    • Flip over the calculator.

    • Locate the 6 screws on the backside.

    • Remove all six screws.

  3. Casio fx-82MS Button Replacement: passo 3, imagem 1 %32
    • Once all six screws have been removed, take the back part off of the calculator.

  4. Casio fx-82MS Button Replacement: passo 4, imagem 1 %32 Casio fx-82MS Button Replacement: passo 4, imagem 2 %32
    • 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.

  5. Casio fx-82MS Button Replacement: passo 5, imagem 1 %32
    • After having soldered away all six plugs, lift up the PCB.

    • Flip the board sideways as shown in the picture.

  6. Casio fx-82MS Button Replacement: passo 6, imagem 1 %32 Casio fx-82MS Button Replacement: passo 6, imagem 2 %32
    • Remove the rubber mat.

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

  7. Casio fx-82MS Button Replacement: passo 7, imagem 1 %32 Casio fx-82MS Button Replacement: passo 7, imagem 2 %32
    • Replace the broken button.

  8. Casio fx-82MS Button Replacement: passo 8, imagem 1 %32 Casio fx-82MS Button Replacement: passo 8, imagem 2 %32
    • Put the rubber mat back in its place.

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

  9. Casio fx-82MS Button Replacement: passo 9, imagem 1 %32
    • Push the PCB back into place.

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

  10. Casio fx-82MS Button Replacement: passo 10, imagem 1 %32
    • Place the back side of the casing back on top of the front.

  11. Casio fx-82MS Button Replacement: passo 11, imagem 1 %32
    • Put all six screws back in the back side of the casing.

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Rebecca Dowling

Membro desde: 12/05/16

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