Texas Instruments TI-92 Instruction Manual

Installing Texas Instruments TI-92 Motherboard

In this guide we will show how to access the motherboard and how to separate it from other internal

components.

Need to place picture

Installing Texas Instruments TI-92 Motherboard

Step 1 - Back Cover

The first step to any repair operation is to

remove the front cover.

Grab the back of the calculator with one hand and the

cover with the other.

Pull the cover off from one of the sides for easy

removal.

Step 2

Orientate the calculator with the top facing towards you.

Slide the locking tab,found on the top part of the

calculator, to the unlock position.

Installing Texas Instruments TI-92 Motherboard

Step 3

"Locking Tab"

To remove the back cover, slide the cover away from

the locking tab towards the bottom of the calculator until

the cover no longer slides.

Then with the front of the calculator facing down, pull

up on the back cover.

The calculator should now be orientated with the front

facing down, as shown in picture 2.

Step 4 - Batteries

The Batteries are now exposed and the

calculator is face down with the back

towards you.

Remove the bottom batteries by pressing the battery

towards you while pulling it out from the far end.

If you can not do the previous step with your

finger try using a flat ended tool such as an

Ipod opening tool.

After the bottom battery has been removed push or

slide the other(top) battery towards you until it is fully

exposed in the battery slot.

Now simply remove the battery.

Installing Texas Instruments TI-92 Motherboard

Step 5 - repair Back Case

Using a Philips Screwdriver #00 unscrew the twelve

11.8mm screws shown in the picture and located on the

back of the calculator.

Step 6

Unscrew the 19mm screw located near center of the

back of the calculator.

Remove the panel being held by the screw.

Installing Texas Instruments TI-92 Motherboard

Step 7

Using the same Phillips screwdriver, unscrew the

remaining three 11.8mm screws.

Step 8

Using the Ipod Opening Tool pull up on both sides of

the rectangular module while keeping the rest of the

calculator flat on a surface face down

You may get a lot of resistance from the

module. Do not use too much force as you

risk damage. Use small amounts of force to

work the module out.

Installing Texas Instruments TI-92 Motherboard

Step 9

Pull out the rectangular module when it is finally loose

enough.

Step 10

Now pull up on the back cover of the calculator while

holding the rest of it flat on a surface.

Be careful not to tilt the front of the

calculator at this point. The keyboard

buttons are now unsupported and will fall

out of place.

Installing Texas Instruments TI-92 Motherboard

Step 11 - Motherboard

Pull the motherboard up while holding the rest of the

calculator firmly in place

The motherboard has now separated from the rest of

the calculator

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

This document was last generated on Dec 14, 2010.

Installing Texas Instruments TI-92 Motherboard

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