Ti 89 Titanium Power Button Replacement Repair Guide

Difficulty

Moderate

Steps

9

Time Required

                          30 minutes            

Sections

1

• Power Button
• 9 steps

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Introduction

What you need

Step 1

              Power Button               

• Remove the six T6 screws from the back of the calculator.

Remove the six T6 screws from the back of the calculator.

1024

Step 2

• Remove the battery cover.

Remove the battery cover.

Step 3

• Unscrew the Phillips screw on the internal battery cover.

Unscrew the Phillips screw on the internal battery cover.

Step 4

• Using a spudger or similar prying tool carefully pop the back of the calculator off.

Using a spudger or similar prying tool carefully pop the back of the calculator off.

Step 5

• Remove the back of the calculator.

Remove the back of the calculator.

Step 6

• Remove the six Phillips head screws from the circuit board.

Remove the six Phillips head screws from the circuit board.

Step 7

• Remove the circuit board and the attached display screen. Make sure not to damage the circuit board.

Remove the circuit board and the attached display screen. Make sure not to damage the circuit board.

Step 8

• Peel back the rubber grommet sheet.
• Make sure that the buttons remain attached the the rubber grommet as you remove it.

Peel back the rubber grommet sheet.

Make sure that the buttons remain attached the the rubber grommet as you remove it.

Step 9

• Remove and replace the On button.

Remove and replace the On button.

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

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                                      with 2 other contributors 

                    Dan Stahl                     

Member since: 10/01/2017

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                       Michigan Tech, Team S5-G3, Galliah Fall 2017                        

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                                            1 Guide authored                     

Martin Olsson - Oct 19, 2021

Reply

Thank you, fixed my sticky keys / juice spill damage.