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Einleitung

If some of the buttons of the TI-84 Silver Plus Edition do not work but the buttons appear to be intact, you may need to replace the keyboard mat.

Ersatzteile

Keine Ersatzteile angegeben.

  1. TI-84 Plus Silver Edition Keyboard Mat Replacement, Faceplate: Schritt 1, Bild 1 von 1
    • Insert your index finger in the open slot below the keys.

    • Be careful to not bend the plate too much because it is very thin and might break.

    • Apply a firm upward force until the bottom two tabs located near the bottom of the plate come off.

  2. TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 2, Bild 1 von 1
    • Grab the face plate on each side near the middle and apply a gentle upward force on each side until the middle tabs come off.

    • A tab is located in the center of the face plate. If it is still attached, then continue to apply a gentle upward force until the center tab comes off.

    • Lift the face plate upward until the top three tabs come off and the face plate is completely detached.

  3. TI-84 Plus Silver Edition Keyboard Mat Replacement, Main Battery: Schritt 3, Bild 1 von 3 TI-84 Plus Silver Edition Keyboard Mat Replacement, Main Battery: Schritt 3, Bild 2 von 3 TI-84 Plus Silver Edition Keyboard Mat Replacement, Main Battery: Schritt 3, Bild 3 von 3
    • Push firmly down on the tab located on the back of the calculator near the center.

    • Pull the tab up, lifting it off of the calculator and exposing the batteries.

  4. TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 4, Bild 1 von 1
    • Push the positive (+) side of the batteries to remove them. Warning: Removing the AAAs and the back up battery will clear the calculators memory.

  5. TI-84 Plus Silver Edition Keyboard Mat Replacement, Backup Battery: Schritt 5, Bild 1 von 1
    • Using the Phillips #00 Screwdriver, unscrew the 15 mm screw holding the backup battery cover, located above the main battery area.

  6. TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 6, Bild 1 von 1
    • Grab the plate and lift gently upward, to remove the backup battery cover.

  7. TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 7, Bild 1 von 2 TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 7, Bild 2 von 2
    • Wedge the small plastic opening tool under the backup battery in the gap to the left of the backup battery.

    • The backup battery is an SR44SW coin cell battery. You can also replace it with a size 357/303 or LR44 battery.

    • Push gently downward until the backup battery pops out.

  8. TI-84 Plus Silver Edition Keyboard Mat Replacement, Motherboard and Screen: Schritt 8, Bild 1 von 2 TI-84 Plus Silver Edition Keyboard Mat Replacement, Motherboard and Screen: Schritt 8, Bild 2 von 2
    • Unscrew the six 8.5 mm screws located on the perimeter of the back cover using the Precision T6 Torx Screwdriver.

  9. TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 9, Bild 1 von 3 TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 9, Bild 2 von 3 TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 9, Bild 3 von 3
    • Wedge the large plastic opening tool in the gap at the bottom between the top and bottom covers.

    • Apply a gentle downward force to separate the top cover from the bottom cover.

    • Wedge the large plastic opening tool in the gaps along each side to unhook the side clips.

    • There are clips located at the bottom of the calculator, on the sides of the calculator (both near the bottom and near the top), and at the top of the calculator.

    • Pull the bottom cover apart from the top cover.

  10. TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 10, Bild 1 von 2 TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 10, Bild 2 von 2
    • Unscrew the two 5 mm screws at the bottom of the silver sheet using the Phillips #00 Screwdriver.

    • Pull up on the silver sheet from the top to remove it from the calculator.

  11. TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 11, Bild 1 von 2 TI-84 Plus Silver Edition Keyboard Mat Replacement: Schritt 11, Bild 2 von 2
    • Unscrew the four 5 mm screws on the sides of the mother board Phillips #00 Screwdriver.

    • Pry the motherboard out from the bottom of the front casing using the large plastic opening tool.

  12. TI-84 Plus Silver Edition Keyboard Mat Replacement, Keyboard Mat: Schritt 12, Bild 1 von 3 TI-84 Plus Silver Edition Keyboard Mat Replacement, Keyboard Mat: Schritt 12, Bild 2 von 3 TI-84 Plus Silver Edition Keyboard Mat Replacement, Keyboard Mat: Schritt 12, Bild 3 von 3
    • Flip over the motherboard to reveal the keys

    • Carefully peal the mat from the motherboard.

    • Do not invert the mat as the keys may fall off.

Abschluss

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

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Kale McKinney

Mitglied seit: 20.10.2013

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Cal Poly, Team 11-34, Amido Fall 2013 Mitglied von Cal Poly, Team 11-34, Amido Fall 2013

CPSU-AMIDO-F13S11G34

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