Texas Instruments TI-80 Motherboard and Screen Replacement
brian decater and 5 other contributors
Last updated on May 13, 2021
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Introduction
Go to step 1 ↓If your screen is damaged or your mother board is not working, you will need to access and replace both.
What you need
Tools
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Spudger4.9
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Locate battery cover on the back of the case.
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Slide battery cover to the right reveal the batteries.
Ask FixBot
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Remove battery cover.
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Slide the red lock down.
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Slide the metal tab to the right of the top battery.
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Remove the 3-Volt Lithium Coin Cell Battery.
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Slide the red lock up.
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Slide the metal tab to the right of the bottom battery.
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Remove the 3-Volt Lithium Coin Cell Battery.
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Using a Torx, T-6 star-bit screwdriver, unscrew four 7.38 mm screws from battery housing.
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Unscrew four 7.15 mm screws from back casing.
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Using the blue plastic opener tool along the seam of the case, pry off front casing.
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Using a Philips PH0 screwdriver, remove the 6 screws. 2 from the top of the Motherboard, 2 from the middle, and 2 from the bottom of the Motherboard.
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Using a Phillips Ph0 screwdriver, remove 4 screws from the screen mount.
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Using the blue plastic opening tool, pry the Motherboard up.
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Using the blue plastic opening tool, pry up the screen from the screen mount.
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To reassemble your device, follow these instructions in reverse order.
Team
Eastern Washington University, Team 1-1, Carnegie Winter 2015 Member of Eastern Washington University, Team 1-1, Carnegie Winter 2015
EWU-CARNEGIE-W15S1G1
4 Members
60 Guides authored
