Difficulty

Moderate

Steps

7

Time Required

                          10 - 15 minutes            

Sections

2

  • Battery
  • 4 steps
  • Screen
  • 3 steps

Flags

0

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Introduction

What you need

Step 1

              Open the device               
  • 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.

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.

1024

Step 2

              Open the battery compartiment               
  • 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.

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.

Step 3

              Eject the battery               
  • Use the spudger to lift the battery up from the black holder.

Use the spudger to lift the battery up from the black holder.

Step 4

              Finish up               
  • Put the new CR2032 battery in. Never insert a different type of battery!
  • Reverse the steps 2 and 1.

Put the new CR2032 battery in. Never insert a different type of battery!

Reverse the steps 2 and 1.

Step 5

              Free the screen               
  • Using the Phillips #00 screwdriver, carefully remove the two 3mm screws holding the screen in place.

Using the Phillips #00 screwdriver, carefully remove the two 3mm screws holding the screen in place.

Step 6

              Carefully eject the screen               
  • 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.

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.

Step 7

              Finish up               
  • 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.

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.

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

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Author

                                      with 4 other contributors 

                    Taylor Lamb                     

Member since: 10/01/2015

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                       Cal Poly, Team 11-2, Forte Fall 2015                        

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                                            9 Guides authored                     

johns632 - Jan 23, 2017

Reply

Where can you find a replacement screen for this calculator?

TJ

kubagurPL - Sep 9, 2018

Really the only way to find a replacement screen is by just buying some broken ones(but with a good screen) off of Ebay

kubagurPL - Sep 9, 2018

Reply

dows soldering the ribbon cable back actually work?