Introduction

This guide will require a new calculator, as well as some soldering. If you're not sure how to solder, see iFixit's soldering guide.

Image 1/2: Using the #00 screwdriver, unscrew the six, 6mm Phillips screws. Image 2/2: Use the spudger to pry into the space between the blue back cover and the white body to take off the back cover.
  • If the screw is not turning, do not force it. This can strip the screw. See the How to Remove a Stripped Screw guide if the screw is already stripped.

  • Using the #00 screwdriver, unscrew the six, 6mm Phillips screws.

  • Use the spudger to pry into the space between the blue back cover and the white body to take off the back cover.

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Image 1/1: Lift the metal plate from the battery and set it to the side.
  • Using the #00 Phillips screwdriver unscrew the two, 3mm Phillips screws located near the top of the calculator.

  • Lift the metal plate from the battery and set it to the side.

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Image 1/1:
  • Use the spudger to lift the battery up from the black holder.

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Image 1/1:
  • Using the Phillips #00 screwdriver, carefully remove the two 3mm screws holding the screen in place.

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Image 1/1: Gently lift the screen up from the front of the calculator, carefully disconnecting the ribbon cable from the larger green board.
  • Be sure to pull the ribbon cable, so that it only disconnects from the larger green board.

  • Gently lift the screen up from the front of the calculator, carefully disconnecting the ribbon cable from the larger green board.

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Image 1/1: After the screen is replaced, you will have to re-solder the ribbon cable to the motherboard.
  • Once the screen has been removed, it should still have all connecting wires and the ribbon cable attached to it.

  • After the screen is replaced, you will have to re-solder the ribbon cable to the motherboard.

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Conclusion

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

Taylor Lamb

Member since: 10/01/2015

151 Reputation

1 Guide authored

Team

Cal Poly, Team 11-2, Forte Fall 2015 Member of Cal Poly, Team 11-2, Forte Fall 2015

CPSU-FORTE-F15S11G2

4 Members

3 Guides authored

One Comment

Where can you find a replacement screen for this calculator?

TJ

johns632 - Reply

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