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Texas Instruments TI-80 Keyboard Mat Replacement

Neye ihtiyacın var

  1. Texas Instruments TI-80 Keyboard Mat Replacement, Batteries: adım 1, 2 resimden 1. Texas Instruments TI-80 Keyboard Mat Replacement, Batteries: adım 1, 2 resimden 2.
    • Locate the battery cover on the back of the case.

    • Slide the battery cover to the right to reveal the batteries.

  2. Texas Instruments TI-80 Keyboard Mat Replacement: adım 2, 3 resimden 1. Texas Instruments TI-80 Keyboard Mat Replacement: adım 2, 3 resimden 2. Texas Instruments TI-80 Keyboard Mat Replacement: adım 2, 3 resimden 3.
    • Slide the red lock down.

    • Slide the metal tab of the top battery to the right.

    • Remove the first 3-Volt Lithium Coin Cell Battery.

    • Slide the red lock up.

    • Slide the metal tab of the bottom battery to the right.

    • Remove the second 3-Volt Lithium Coin Cell Battery.

  3. Texas Instruments TI-80 Keyboard Mat Replacement, Back Case: adım 3, 3 resimden 1. Texas Instruments TI-80 Keyboard Mat Replacement, Back Case: adım 3, 3 resimden 2. Texas Instruments TI-80 Keyboard Mat Replacement, Back Case: adım 3, 3 resimden 3.
    • Use a Torx T-6 star-bit screwdriver to unscrew the four 7.38 mm screws from the battery housing.

    • Unscrew the four 7.15mm screws from the back casing.

    • Use the blue plastic opener tool along the seam of the case to pry off the front casing.

    • Pry from the bottom of the calculator as the case hooks into the top.

  4. Texas Instruments TI-80 Keyboard Mat Replacement, Motherboard and Screen: adım 4, 3 resimden 1. Texas Instruments TI-80 Keyboard Mat Replacement, Motherboard and Screen: adım 4, 3 resimden 2. Texas Instruments TI-80 Keyboard Mat Replacement, Motherboard and Screen: adım 4, 3 resimden 3.
    • Use a PH0 screwdriver from the 28-bit driver kit to remove six screws. (Two from the top and four from the bottom of the Motherboard.

    • Use the PH0 screwdriver to remove the four screws from the screen mount.

    • Use the blue plastic opening tool to pry the Motherboard up from the bottom case.

    • Use the blue plastic opening tool to pry up screen from the screen mount.

  5. Texas Instruments TI-80 Keyboard Mat Replacement, Check keyboard mat: adım 5, 2 resimden 1. Texas Instruments TI-80 Keyboard Mat Replacement, Check keyboard mat: adım 5, 2 resimden 2.
    • Check the rubber mat for damage or obstruction at the location of non-functioning buttons.

    • Flip the mat over to assess dirt and damage.

    • Replace the mat if it is damaged.

    • Clean off the back of the Motherboard as necessary. The mat lies on top, so dirt and debris may build up. Repeat cleaning as needed.

Sonuç

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

brian decater

Üyelik tarihi: 01/13/15

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