Saltar al contenido principal

Repairing Buttons on Casio fx-300ES Calculator

Qué necesitas

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

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

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

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

Conclusión

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

4 personas más completaron esta guía.

Equipo

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

CPSU-GREEN-S15S28G2

4 Miembros

2 Guías creadas

5 comentarios

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

Kathryn Webb - Contestar

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 - Contestar

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

[deleted] - Contestar

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 - Contestar

وقعت حاسبتي من نوع كازيو على الارض فلم تشتغل بالرغم من انها لم تنكسر وقد اشتريتها قبل شهرين من فضلكم ساعدوني ماذا افعل؟

abir abir - Contestar

Agregar Comentario

Ver Estadísticas:

Ultimas 24 horas: 2

Ultimos 7 días: 22

Ultimos 30 días: 81

Todo El Tiempo: 24,947