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Texas Instruments TI-92 Motherboard Replacement

Was du brauchst

  1. Texas Instruments TI-92 Motherboard Replacement, Back Cover: Schritt 1, Bild 1 von 3 Texas Instruments TI-92 Motherboard Replacement, Back Cover: Schritt 1, Bild 2 von 3 Texas Instruments TI-92 Motherboard Replacement, Back Cover: Schritt 1, Bild 3 von 3
    • 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.

  2. Texas Instruments TI-92 Motherboard Replacement: Schritt 2, Bild 1 von 2 Texas Instruments TI-92 Motherboard Replacement: Schritt 2, Bild 2 von 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.

  3. Texas Instruments TI-92 Motherboard Replacement: Schritt 3, Bild 1 von 2 Texas Instruments TI-92 Motherboard Replacement: Schritt 3, Bild 2 von 2
    • "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.

  4. Texas Instruments TI-92 Motherboard Replacement, Batteries: Schritt 4, Bild 1 von 3 Texas Instruments TI-92 Motherboard Replacement, Batteries: Schritt 4, Bild 2 von 3 Texas Instruments TI-92 Motherboard Replacement, Batteries: Schritt 4, Bild 3 von 3
    • 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.

  5. Texas Instruments TI-92 Motherboard Replacement, Texas Instruments TI-92 Back Case Disassembly: Schritt 5, Bild 1 von 3 Texas Instruments TI-92 Motherboard Replacement, Texas Instruments TI-92 Back Case Disassembly: Schritt 5, Bild 2 von 3 Texas Instruments TI-92 Motherboard Replacement, Texas Instruments TI-92 Back Case Disassembly: Schritt 5, Bild 3 von 3
    • Using a Philips Screwdriver #00 unscrew the twelve 11.8mm screws shown in the picture and located on the back of the calculator.

  6. Texas Instruments TI-92 Motherboard Replacement: Schritt 6, Bild 1 von 1
    • Unscrew the 19mm screw located near center of the back of the calculator.

    • Remove the panel being held by the screw.

  7. Texas Instruments TI-92 Motherboard Replacement: Schritt 7, Bild 1 von 1
    • Using the same Phillips screwdriver, unscrew the remaining three 11.8mm screws.

  8. Texas Instruments TI-92 Motherboard Replacement: Schritt 8, Bild 1 von 2 Texas Instruments TI-92 Motherboard Replacement: Schritt 8, Bild 2 von 2
    • 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.

  9. Texas Instruments TI-92 Motherboard Replacement: Schritt 9, Bild 1 von 2 Texas Instruments TI-92 Motherboard Replacement: Schritt 9, Bild 2 von 2
    • Pull out the rectangular module when it is finally loose enough.

  10. Texas Instruments TI-92 Motherboard Replacement: Schritt 10, Bild 1 von 2 Texas Instruments TI-92 Motherboard Replacement: Schritt 10, Bild 2 von 2
    • 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.

  11. Texas Instruments TI-92 Motherboard Replacement, Motherboard: Schritt 11, Bild 1 von 3 Texas Instruments TI-92 Motherboard Replacement, Motherboard: Schritt 11, Bild 2 von 3 Texas Instruments TI-92 Motherboard Replacement, Motherboard: Schritt 11, Bild 3 von 3
    • 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

Abschluss

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

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Cal Poly, Team 15-51, Garner Spring 2010 Mitglied von Cal Poly, Team 15-51, Garner Spring 2010

CPSU-GARNER-S10S15G51

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