Introduction

If one or a number of your keys are broken or cracked, causing malfunctions in operation or dangerous sharp edges, use this guide to safely replace them.

Remove the battery cover.
  • Remove the battery cover.

  • Remove the AAA batteries from the calculator.

Ajouter un commentaire

Remove the 5mm Philips #00 screw holding backup battery cover.
  • Remove the 5mm Philips #00 screw holding backup battery cover.

  • Remove the backup battery cover.

Ajouter un commentaire

  • Use plastic opening tool to remove the backup battery. Place the tool in the small cut-out next to the battery and pry the battery out.

  • Be careful, the backup battery is spring loaded and may shoot up when you remove it.

Ajouter un commentaire

  • Unscrew the six 7.5mm T6 screws on the back case. You will need to use a screwdriver with a long and skinny head.

Ajouter un commentaire

  • Pry back case off. Insert the plastic opening tool in the track for the protective cover and pry the halves of the case apart.

Ajouter un commentaire

  • Keep the screen face-down during this step. Only the motherboard is attached to the face-plate and the screen may fall out.

  • Remove the eight (8) 5mm Philips #00 screws on the motherboard.

Ajouter un commentaire

  • Carefully remove the motherboard and screen. Grab the board by its side with one hand and the screen with the other. Carefully lift the two parts up.

    • Keep the face-plate face-down to prevent the keys from falling out.

Ajouter un commentaire

  • Remove light gray rubber keyboard mat.

  • Keep your calculator face down to ensure the individual keys do not fall out.

Ajouter un commentaire

  • Clean the contacts on the keyboard with a soft cloth.

Ajouter un commentaire

  • Use tweezers to remove one key at a time.

  • Be sure to keep them organized if you are taking out multiple keys.

Ajouter un commentaire

Conclusion

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

Une autre personne a terminé cette réparation.

Jared

Membre depuis le 02/10/2012

76 Réputation

2 tutoriels rédigés

Équipe

Cal Poly, Team 18-37, Regan Fall 2012 Membre de l'équipe Cal Poly, Team 18-37, Regan Fall 2012

CPSU-REGAN-F12S18G37

5 membres

5 tutoriels rédigés

Ajouter un commentaire

Voir les statistiques:

Dernières 24 heures : 1

7 derniers jours : 4

30 derniers jours : 20

Total : 3,362