Ir para o conteúdo principal

Introdução

This guide demonstrates the process of replacing the battery in a CASIO fx-50FH II scientific calculator. Batteries have a limited lifespan, so anything battery-powered will eventually cease functioning. In the worst case, old or damaged batteries may leak and damage or destroy the calculator. Also, alkaline residue can cause chemical burns, so carefully follow every safety precaution if your calculator's battery is damaged.

  1. CASIO fx-50FH II Scientific Calculator Battery Replacement, Battery: passo 1, imagem 1 %32
    • To turn the calculator off, first press the "shift" button.

    • Release the "shift" button, then press the "AC" button.

  2. CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 2, imagem 1 %32 CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 2, imagem 2 %32
    • Place the calculator face down, then use a Phillips #00 screwdriver to remove the single screw securing the battery hatch in the top right corner.

  3. CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 3, imagem 1 %32 CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 3, imagem 2 %32 CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 3, imagem 3 %32
    • Push the battery hatch to the right until it slides off.

  4. CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 4, imagem 1 %32 CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 4, imagem 2 %32 CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 4, imagem 3 %32
    • Put on a pair of protective gloves before handling the battery to eliminate the risk of chemical burns.

    • Insert the tip of a spudger into the indent on the right-hand side of the battery to lift the edge of the battery up.

    • Lift the battery up and out.

  5. CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 5, imagem 1 %32
    • Inspect the battery compartment any alkaline residue.

    • If no residue is present, skip to Step 7.

  6. CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 6, imagem 1 %32 CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 6, imagem 2 %32 CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 6, imagem 3 %32
    • Use a cotton swab dabbed with white vinegar to wipe the alkaline off the battery compartment.

    • Use a dry cotton swab to remove the vinegar and alkaline residues.

    • Let the battery compartment dry completely.

  7. CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 7, imagem 1 %32
    • Insert a new LR44 1.5V alkaline button battery into the compartment, with the positive sign facing up.

  8. CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 8, imagem 1 %32 CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 8, imagem 2 %32 CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 8, imagem 3 %32
    • Reattach the battery hatch by sliding the hatch in from the right to the left.

  9. CASIO fx-50FH II Scientific Calculator Battery Replacement: passo 9, imagem 1 %32
    • Use a Phillips #00 to secure the screw.

Conclusão

You have successfully replaced the battery of  a CASIO fx-50FH II Scientific Calculator!

Uma outra pessoa concluiu este guia.

Cheuk Wai Chan

Membro desde: 05/07/2022

196 Reputação

Autoria de 1 guia

Team

2 Comments

Very nice guide! I found the pictures to be very good and corresponding to the steps very well.

Frank Loi - Responder

Thank you for the steps. I followed the steps and managed to salvage my calculator which I almost had to throw away. This has helped reduce waste. :)

Nancy Yeo - Responder

Adicione um comentário

Exibir estatísticas:

Últimas 24 horas: 3

Últimos 7 dias: 27

Últimos 30 dias: 95

Duração total: 355