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TI-89 Titanium Power Button Replacement

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Time Required: 30 minutes
Difficulty: Moderate
TI-89 Titanium Power Button Replacement

Introduction

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This guide shows the step by step process of how to disassemble a TI-89 Titanium calculator in order to replace the power button. This guide may also be followed in order to replace any of the other buttons on the calculator. This process requires few tools and should only take thirty minutes. Please be careful during the disassembly to not damage the internals of the calculator.

What you need

Parts

Tools

    1. TI-89 Titanium Power Button Replacement, Power Button: step 1, image 1 of 1
      • Remove the six T6 screws from the back of the calculator.

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    2. TI-89 Titanium Power Button Replacement: step 2, image 1 of 1
      • Remove the battery cover.

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    3. TI-89 Titanium Power Button Replacement: step 3, image 1 of 1
      • Unscrew the Phillips screw on the internal battery cover.

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    4. TI-89 Titanium Power Button Replacement: step 4, image 1 of 1
      • Using a spudger or similar prying tool carefully pop the back of the calculator off.

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    5. TI-89 Titanium Power Button Replacement: step 5, image 1 of 1
      • Remove the back of the calculator.

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    6. TI-89 Titanium Power Button Replacement: step 6, image 1 of 1
      • Remove the six Phillips head screws from the circuit board.

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    7. TI-89 Titanium Power Button Replacement: step 7, image 1 of 1
      • Remove the circuit board and the attached display screen. Make sure not to damage the circuit board.

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    8. TI-89 Titanium Power Button Replacement: step 8, image 1 of 1
      • Peel back the rubber grommet sheet.

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

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    9. TI-89 Titanium Power Button Replacement: step 9, image 1 of 1
      • Remove and replace the On button.

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Conclusion

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

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2 other people completed this guide.

Dan Stahl

Member since: 10/01/17

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1 Guide Comment

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

Martin Såsser - Reply Share

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Past 30 Days: 141

All Time: 5,367