Introdução

Use this guide to replace the main circuit board of the device. This requires detaching all other components, including those that are soldered to the board.

  1. Lay the device on its back, and rotate so the base is facing away from you.
    • Lay the device on its back, and rotate so the base is facing away from you.

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  2. Grip the frame with your fingers under the edge of the frame, and thumbs pushing down on the front of the device.
    • Grip the frame with your fingers under the edge of the frame, and thumbs pushing down on the front of the device.

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    • Lift up the frame with your fingers and push down the rest of the device with your thumbs.

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    • Remove the frame and matte from the device.

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    • Remove the four 7mm Torx T6 screws.

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  3. GIVE TOOLS. FIX FOREVER.

    GIVE TOOLS.

    FIX FOREVER.

    Spread the Fixmas cheer.

    GIVE TOOLS. FIX FOREVER.

    Spread the Fixmas cheer.

    • Using the plastic opening tool or your fingers, lift up the frame from any edge.

    • Remove the frame from the device.

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    • Unplug the cable connecting the display to the power supply using the flat end of the spudger to pry the connector away from the circuit board.

    • Alternate applying pressure to the left and right side of the connector to ensure that it does not break.

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    • Remove the four 7mm Torx T6 screws.

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    • Lift up the display from the left edge and flip display over.

    • Do not lift the display too quickly, as the display is still connected to the main circuit board on the right.

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    • Use the spudger to disconnect the ribbon cable from the display by the black pins away from the connector. There is a pin on either side of the connector.

    • Once both pins are released, the ribbon cable should slide easily out.

    • It may be easier if someone else holds the display so the cable does not get ripped out.

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    • Remove the display assembly from the device.

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    • Remove the five 7mm Torx T6 screws.

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    • Desolder the three wires attaching the board to the power supply.

    • In the pictures, the wires are not actually desoldered.

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    • Desolder all the ribbon cable attachments from the board.

    • In the pictures, the wires are not actually desoldered.

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    • Remove the circuit board from the device.

    • The picture shows the board still attached to the wires, but after desoldering, the board will be completely free from the device.

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Conclusão

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

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Casey Glasgow

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Cal Poly, Team 9-25, Maness Winter 2014 Membro de Cal Poly, Team 9-25, Maness Winter 2014

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