Ir para o conteúdo principal

Repairing Buttons on Casio fx-300ES Calculator

O que você precisa

  1. Repairing Buttons on Casio fx-300ES Calculator, Repairing Buttons on Casio fx-300ES Calculator: passo 1, imagem 1 %32 Repairing Buttons on Casio fx-300ES Calculator, Repairing Buttons on Casio fx-300ES Calculator: passo 1, imagem 2 %32
    • Remove the six 5 mm screws on the back of the calculator.

  2. Repairing Buttons on Casio fx-300ES Calculator: passo 2, imagem 1 %32 Repairing Buttons on Casio fx-300ES Calculator: passo 2, imagem 2 %32
    • Carefully remove the back plate to reveal the circuit board and the battery.

  3. Repairing Buttons on Casio fx-300ES Calculator: passo 3, imagem 1 %32 Repairing Buttons on Casio fx-300ES Calculator: passo 3, imagem 2 %32 Repairing Buttons on Casio fx-300ES Calculator: passo 3, imagem 3 %32
    • Remove the four 4 mm screws from the circuit board.

  4. Repairing Buttons on Casio fx-300ES Calculator: passo 4, imagem 1 %32
    • 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: passo 5, imagem 1 %32 Repairing Buttons on Casio fx-300ES Calculator: passo 5, imagem 2 %32 Repairing Buttons on Casio fx-300ES Calculator: passo 5, imagem 3 %32
    • 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: passo 6, imagem 1 %32 Repairing Buttons on Casio fx-300ES Calculator: passo 6, imagem 2 %32 Repairing Buttons on Casio fx-300ES Calculator: passo 6, imagem 3 %32
    • 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: passo 7, imagem 1 %32 Repairing Buttons on Casio fx-300ES Calculator: passo 7, imagem 2 %32 Repairing Buttons on Casio fx-300ES Calculator: passo 7, imagem 3 %32
    • 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: passo 8, imagem 1 %32
    • Refer to this picture if any buttons get misplaced or fall out.

Conclusão

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

4 outras pessoas executaram este guia.

Daniel Riedeman

Membro desde: 04/09/15

219 Reputação

Autoria de 1 guia

Equipe

Cal Poly, Team 28-2, Green Spring 2015 Membro de Cal Poly, Team 28-2, Green Spring 2015

CPSU-GREEN-S15S28G2

Membros da 4

Autoria de 2 guias

4 comentários

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

Kathryn Webb - Responder

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 - Responder

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

[deleted] - Responder

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 - Responder

Adicione um comentário

Exibir estatísticas:

Últimas 24 horas: 0

Últimos 7 dias: 14

Últimos 30 dias: 87

Duração total: 24,789