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Texas Instruments TI-83 Plus Keyboard Mat Replacement

Introdução

The keyboard mat is what makes contacts with the motherboard. If the keys are not working very well then the mat may need replacing.

O que você precisa

  1. Texas Instruments TI-83 Plus Keyboard Mat Replacement, Backup Battery: passo 1, imagem 1 %32 Texas Instruments TI-83 Plus Keyboard Mat Replacement, Backup Battery: passo 1, imagem 2 %32

    • Remove the battery cover.

    • Remove the AAA batteries from the calculator.

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  2. Texas Instruments TI-83 Plus Keyboard Mat Replacement: passo 2, imagem 1 %32

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

    • Remove the backup battery cover.

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  3. Texas Instruments TI-83 Plus Keyboard Mat Replacement: passo 3, imagem 1 %32

    • 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.

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  5. Texas Instruments TI-83 Plus Keyboard Mat Replacement, Back Case: passo 4, imagem 1 %32

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

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  6. Texas Instruments TI-83 Plus Keyboard Mat Replacement: passo 5, imagem 1 %32 Texas Instruments TI-83 Plus Keyboard Mat Replacement: passo 5, imagem 2 %32

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

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  7. Texas Instruments TI-83 Plus Keyboard Mat Replacement, Motherboard & Screen: passo 6, imagem 1 %32 Texas Instruments TI-83 Plus Keyboard Mat Replacement, Motherboard & Screen: passo 6, imagem 2 %32

    • 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.

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  8. Texas Instruments TI-83 Plus Keyboard Mat Replacement: passo 7, imagem 1 %32 Texas Instruments TI-83 Plus Keyboard Mat Replacement: passo 7, imagem 2 %32

    • 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.

    Editar

  9. Texas Instruments TI-83 Plus Keyboard Mat Replacement, Keyboard Mat: passo 8, imagem 1 %32 Texas Instruments TI-83 Plus Keyboard Mat Replacement, Keyboard Mat: passo 8, imagem 2 %32

    • Remove light gray rubber keyboard mat.

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

    Editar

  10. Texas Instruments TI-83 Plus Keyboard Mat Replacement: passo 9, imagem 1 %32

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

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Conclusão

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

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corey

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Equipe

Cal Poly, Team 18-37, Regan Fall 2012 Membro de Cal Poly, Team 18-37, Regan Fall 2012

CPSU-REGAN-F12S18G37

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