Pièces

This is the calculator in question.
  • This is the calculator in question.

    • Features a black and white dot matrix screen.

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Turn the calculator over. Locate the six screws on the rear of the device.
  • Turn the calculator over.

  • Locate the six screws on the rear of the device.

    • These are Philips #00 screws.

  • Keep the screws you remove in a safe place so they don't get lost.

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Once the screws are removed, carefully lift the back panel off, lifting the top end first. Place the panel to one side.
  • Once the screws are removed, carefully lift the back panel off, lifting the top end first.

  • Place the panel to one side.

  • You can now see the battery.

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Remove the battery
  • Remove the battery

  • Lift it up from the right hand side to avoid damaging the spring.

  • You may find this easier to do by prying it out with the screwdriver.

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Now you can insert the new battery Ensure you place it in spring-first.
  • Now you can insert the new battery

    • Ensure you place it in spring-first.

  • Congratulations! You have replaced the battery.

  • When reassembling, take care not to trap the red or black wires in the screws as this would sever them, making the calculator unusable.

  • Once reassembled, the calculator will be turned on. Turn it off to save battery by pressing Shift --> AC.

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Conclusion

To reassemble your device, follow these instructions in reverse order, noting the two reassembly instructions in the last step.

22 autre(s) ont terminé cette réparation.

Sam

Membre depuis le 23/09/2012

842 Réputation

1 tutoriel rédigé

For some reason the two top screws made the calculator unstable, but removing them made it stable. Only occurred after removing the battery

Mida Galbraith - Réponse

what battery size is it? R03?

Humerdom - Réponse

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