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Repairing Buttons on Casio fx-300ES Calculator

Wat je nodig hebt

  1. Repairing Buttons on Casio fx-300ES Calculator, Repairing Buttons on Casio fx-300ES Calculator: stap 1, afbeelding 1 van 2 Repairing Buttons on Casio fx-300ES Calculator, Repairing Buttons on Casio fx-300ES Calculator: stap 1, afbeelding 2 van 2
    • Remove the six 5 mm screws on the back of the calculator.

  2. Repairing Buttons on Casio fx-300ES Calculator: stap 2, afbeelding 1 van 2 Repairing Buttons on Casio fx-300ES Calculator: stap 2, afbeelding 2 van 2
    • Carefully remove the back plate to reveal the circuit board and the battery.

  3. Repairing Buttons on Casio fx-300ES Calculator: stap 3, afbeelding 1 van 3 Repairing Buttons on Casio fx-300ES Calculator: stap 3, afbeelding 2 van 3 Repairing Buttons on Casio fx-300ES Calculator: stap 3, afbeelding 3 van 3
    • Remove the four 4 mm screws from the circuit board.

  4. Repairing Buttons on Casio fx-300ES Calculator: stap 4, afbeelding 1 van 1
    • Be aware of the placement of the blue, black, red, and yellow wires because they will fall out when the next step is taken.

  5. Repairing Buttons on Casio fx-300ES Calculator: stap 5, afbeelding 1 van 3 Repairing Buttons on Casio fx-300ES Calculator: stap 5, afbeelding 2 van 3 Repairing Buttons on Casio fx-300ES Calculator: stap 5, afbeelding 3 van 3
    • Carefully lift the circuit board while leaving the grey rubber piece face down.

    • Simply flip the circuit board and the screen over but do not remove them fully.

    • Make sure the calculator is face down.

    • Buttons are loose do not flip calculator over.

  6. Repairing Buttons on Casio fx-300ES Calculator: stap 6, afbeelding 1 van 3 Repairing Buttons on Casio fx-300ES Calculator: stap 6, afbeelding 2 van 3 Repairing Buttons on Casio fx-300ES Calculator: stap 6, afbeelding 3 van 3
    • Now lift the grey rubber piece off to reveal the individual buttons.

    • Buttons are loose make sure they do not come off with the rubber piece.

  7. Repairing Buttons on Casio fx-300ES Calculator: stap 7, afbeelding 1 van 3 Repairing Buttons on Casio fx-300ES Calculator: stap 7, afbeelding 2 van 3 Repairing Buttons on Casio fx-300ES Calculator: stap 7, afbeelding 3 van 3
    • To remove the buttons you can use your screwdriver and lightly flip them out of their individual spaces.

    • You can now access all the buttons and make any alterations needed.

  8. Repairing Buttons on Casio fx-300ES Calculator: stap 8, afbeelding 1 van 1
    • Refer to this picture if any buttons get misplaced or fall out.

Conclusie

To reassemble your device, follow these instructions in reverse order.

4 andere personen hebben deze handleiding voltooid.

Daniel Riedeman

Lid sinds: 04/09/15

219 Reputatie

1 Handleiding geschreven

Team

Cal Poly, Team 28-2, Green Spring 2015 Lid van Cal Poly, Team 28-2, Green Spring 2015

CPSU-GREEN-S15S28G2

4 Leden

2 handleidingen geschreven

4 opmerkingen

Great photos make sure to replace the stock photos with those you take. Maybe retake photos with white background.

Kathryn Webb - Antwoord

my answer key button not working. when i press button it shows the X10 so what can i do plzz give tips for repairing

ayush shukla - Antwoord

Halp my board is stuck to the front plate sith super glue from previous owner.

[deleted] - Antwoord

I repaired my Casio fx-300w, a similar calculator with similar buttons. My mother, who gave it to me, spilled coffee once when using it in her office. I got rid of the sticky coffee gunk formed nearly 12 years ago.

Matthew Yang - Antwoord

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