Texas Instruments TI-83 Plus Individual Keys Replacement

Geschrieben von: Jared

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Texas Instruments TI-83 Plus Individual Keys Replacement

Schwierigkeitsgrad

Moderate

Schritte

Zeitaufwand

5 Minuten

Einleitung

If one or a number of your keys are broken or cracked, causing malfunctions in operation or dangerous sharp edges, use this guide to safely replace them.

Werkzeuge

Schritt 1

Remove the battery cover.
Remove the AAA batteries from the calculator.

Schritt 2

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

Schritt 3

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.

Schritt 4

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

Schritt 5

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

Schritt 6

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.

Schritt 7

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.