Texas Instruments Ti 80 Back Casing Replacement Repair Guide

Difficulty

Moderate

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Sections

Batteries
2 steps
Back Casing
1 step

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Introduction

What you need

Step 1

              Batteries

Locate battery cover on the back of the case.
Slide battery cover to the right reveal the batteries.

Locate battery cover on the back of the case.

Slide battery cover to the right reveal the batteries.

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Step 2

Remove battery cover.
Slide the red lock down.
Slide the metal tab to the right of the top battery.
Remove the 3-Volt Lithium Coin Cell Battery.
Slide the red lock up.
Slide the metal tab to the right of the bottom battery.
Remove the 3-Volt Lithium Coin Cell Battery.

Remove battery cover.

Slide the red lock down.

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

Remove the 3-Volt Lithium Coin Cell Battery.

Slide the red lock up.

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

Step 3

              Back Case

Using a Torx, T-6 star-bit screwdriver, unscrew four 7.38 mm screws from battery housing.
Unscrew four 7.15 mm screws from back casing.
Using the blue plastic opener tool along the seam of the case, pry off front casing.
Start prying from the bottom of the calculator as the casing hooks into the top.

Using a Torx, T-6 star-bit screwdriver, unscrew four 7.38 mm screws from battery housing.

Unscrew four 7.15 mm screws from back casing.

Using the blue plastic opener tool along the seam of the case, pry off front casing.

Start prying from the bottom of the calculator as the casing hooks into the top.

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

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                    Calvin

Member since: 01/08/2015

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Team

                       Eastern Washington University, Team 1-1, Carnegie Winter 2015                        

                                                  Member of Eastern Washington University, Team 1-1, Carnegie Winter 2015 



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Introduction

What you need

Team