Ti 36X Pro Button Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          20 minutes

Sections

Back Cover
2 steps
Battery
2 steps
Button
6 steps

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Introduction

What you need

Step 1

              Back Cover

Remove the calculator’s protective cover.
Place the calculator face down.

Remove the calculator’s protective cover.

Place the calculator face down.

1024

Step 2

Using a Phillips #1 screwdriver, remove the six 6mm screws from the back of the case and place them to the side.
Start from the notches on the top edge and use your fingers or a prying tool to carefully pry the back cover from the calculator.

Using a Phillips #1 screwdriver, remove the six 6mm screws from the back of the case and place them to the side.

Start from the notches on the top edge and use your fingers or a prying tool to carefully pry the back cover from the calculator.

Step 3

              Battery

Use a Phillips #00 screwdriver to remove the two 7.5 mm screws holding the battery cover to the case.
Remove the battery cover without disconnecting either end of the blue wire.
Use your finger to move the battery cover to the side.

Use a Phillips #00 screwdriver to remove the two 7.5 mm screws holding the battery cover to the case.

Remove the battery cover without disconnecting either end of the blue wire.

Use your finger to move the battery cover to the side.

Step 4

Use the flat side of a spudger to remove the battery by lifting the bottom edge.
When inserting a new battery, check the polarity (+ or -) and insert the new battery with the + side on top.

Use the flat side of a spudger to remove the battery by lifting the bottom edge.

When inserting a new battery, check the polarity (+ or -) and insert the new battery with the + side on top.

Step 5

              Button

After removing the battery, use a Phillips #00 screwdriver to take out the 4.5mm screw directly to the right of the solar panel.
Do not disconnect any wires or you will need to solder them back on.

After removing the battery, use a Phillips #00 screwdriver to take out the 4.5mm screw directly to the right of the solar panel.

Do not disconnect any wires or you will need to solder them back on.

Step 6

Next, use a Phillips #00 screwdriver to remove the two screws located on each side of the striped ribbon between the two green circuit boards.

Next, use a Phillips #00 screwdriver to remove the two screws located on each side of the striped ribbon between the two green circuit boards.

Step 7

Be careful not to scratch the gold lines on the circuit board since it may damage the circuit.
Carefully chisel off the 11 circular pieces that connect the lower circuit board to the calculator.
When reassembling the calculator, glue the lower circuit board back in place by dabbing glue into the holes that you chiseled.

Be careful not to scratch the gold lines on the circuit board since it may damage the circuit.

Carefully chisel off the 11 circular pieces that connect the lower circuit board to the calculator.

When reassembling the calculator, glue the lower circuit board back in place by dabbing glue into the holes that you chiseled.

Step 8

When removing the parts from the calculator be careful not to break any wires or ribbons. The solar panel, screen, and lower circuit board should remain connected throughout this guide.
Lift the top edge of the solar panel with a finger and slide it away from the circuit board to disconnect it from the calculator.
Carefully pry the screen out of the calculator with a prying tool or spudger.
Pry the lower circuit board from the calculator by inserting a prying tool between the base of the calculator and the circuit board.

When removing the parts from the calculator be careful not to break any wires or ribbons. The solar panel, screen, and lower circuit board should remain connected throughout this guide.

Lift the top edge of the solar panel with a finger and slide it away from the circuit board to disconnect it from the calculator.

Carefully pry the screen out of the calculator with a prying tool or spudger.

Pry the lower circuit board from the calculator by inserting a prying tool between the base of the calculator and the circuit board.

Step 9

Grab one of the top corners of the gray rubber button pad and peel it off of the buttons.
If you turn the calculator over, all of the buttons will fall out.

Grab one of the top corners of the gray rubber button pad and peel it off of the buttons.

If you turn the calculator over, all of the buttons will fall out.

Step 10

Locate the button that needs replacement and lift it out of the calculator with tweezers.
If the buttons do fall out, use the second picture to put them back properly.

Locate the button that needs replacement and lift it out of the calculator with tweezers.

If the buttons do fall out, use the second picture to put them back properly.

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

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                    Robert Sekerak

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Team

                       Cal Poly, Team 11-52, Amido Spring 2014                        

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Introduction#

What you need#

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Introduction

What you need

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