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In this guide we will be replacing the backup battery for the TI-92.
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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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Using a #00 Philip Screwdriver remove the 19mm screw located near the center of the back of the calculator on the panel with words "Test Access"
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Remove the screw and lift the panel to access battery.
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The backup battery can now be seen underneath a small metal cover held by a screw.
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Using the same screwdriver, unscrew the 4.6mm screw located under the panel and left of the backup battery.
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Remove the metal cover keeping the backup battery in place.
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Use an Ipod Opening Tool or a similar tool to pull up on the right side of the backup battery.
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The battery should pop out of position.
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After the battery has been tilted out of its socket, simply remove it with your hands.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Cal Poly, Team 15-51, Garner Spring 2010 crwdns2935289:0Cal Poly, Team 15-51, Garner Spring 2010crwdne2935289:0
CPSU-GARNER-S10S15G51
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