Texas Instruments TI-92 Display Replacement
Daniel Maldonado and 6 other contributors
Last updated on Jan 28, 2014
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Introduction
Go to step 1 ↓In this guide we will show how to remove the display to replace it if broken.
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What you need
Tools
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Grab the back of the calculator with one hand and the cover with the other.
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Pull the cover off from one of the sides for easy removal.
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Orientate the calculator with the top facing towards you.
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Slide the locking tab,found on the top part of the calculator, to the unlock position.
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"Locking Tab"
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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.
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Then with the front of the calculator facing down, pull up on the back cover.
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The calculator should now be orientated with the front facing down, as shown in picture 2.
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Remove the bottom batteries by pressing the battery towards you while pulling it out from the far end.
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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.
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Now simply remove the battery.
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Using a Philips Screwdriver #00 unscrew the twelve 11.8mm screws shown in the picture and located on the back of the calculator.
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Unscrew the 19mm screw located near center of the back of the calculator.
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Remove the panel being held by the screw.
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Using the same Phillips screwdriver, unscrew the remaining three 11.8mm screws.
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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
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Now pull up on the back cover of the calculator while holding the rest of it flat on a surface.
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Pull the motherboard up while holding the rest of the calculator firmly in place
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The motherboard has now separated from the rest of the calculator
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Using a #00 Philip Screwdriver remove the screw located on the left side of a spring-like object located near the center of the motherboard.
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Lift up on the material covering the motherboard starting from the upper right corner. Peel foil back only about half way down.
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Tilt the calculator up from the front so that you can see the LCD screen
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Finish removing the black tape on this side of the motherboard.
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To reassemble your device, follow these instructions in reverse order.
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Team
Cal Poly, Team 15-51, Garner Spring 2010 Member of Cal Poly, Team 15-51, Garner Spring 2010
CPSU-GARNER-S10S15G51
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