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Garmin Nuvi 42LM Motherboard Replacement

简介

You will need to remove several screws and the battery in order to replace the motherboard.

你所需要的

  1. Garmin Nuvi 42LM Motherboard Replacement, Back Cover: 步骤 1 中的图像 1，3 Garmin Nuvi 42LM Motherboard Replacement, Back Cover: 步骤 1 中的图像 2，3 Garmin Nuvi 42LM Motherboard Replacement, Back Cover: 步骤 1 中的图像 3，3

    • Remove the four screws on the back of the GPS using the T5 Torx screwdriver.

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  2. Garmin Nuvi 42LM Motherboard Replacement: 步骤 2 中的图像 1，3 Garmin Nuvi 42LM Motherboard Replacement: 步骤 2 中的图像 2，3 Garmin Nuvi 42LM Motherboard Replacement: 步骤 2 中的图像 3，3

    • Pry the GPS open using a plastic opening tool.

    • When prying open the device, use caution to avoid damaging the motherboard.

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  3. Garmin Nuvi 42LM Motherboard Replacement, Motherboard: 步骤 3 中的图像 1，3 Garmin Nuvi 42LM Motherboard Replacement, Motherboard: 步骤 3 中的图像 2，3 Garmin Nuvi 42LM Motherboard Replacement, Motherboard: 步骤 3 中的图像 3，3

    • Using the T5 Torx screwdriver, remove the two screws located on the motherboard.

    • There are two screws - one in the back and one in the front.

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  5. Garmin Nuvi 42LM Motherboard Replacement: 步骤 4 中的图像 1，1

    • Move the motherboard from from its designated location on the GPS.

    • Do not pull on red, green, and black cables when repositioning the motherboard.

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  6. Garmin Nuvi 42LM Motherboard Replacement: 步骤 5 中的图像 1，2 Garmin Nuvi 42LM Motherboard Replacement: 步骤 5 中的图像 2，2

    • Gently unplug the red, green, and black bundled cable to remove the battery.

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  7. Garmin Nuvi 42LM Motherboard Replacement: 步骤 6 中的图像 1，2 Garmin Nuvi 42LM Motherboard Replacement: 步骤 6 中的图像 2，2

    • Use blue plastic opening tool to carefully pry the battery from the GPS.

    • You might need to use additional force when prying because there is adhesive glue on the back of the battery.

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  8. Garmin Nuvi 42LM Motherboard Replacement: 步骤 7 中的图像 1，1

    • Using a soldering iron, desolder the black and blue wires connected to the motherboard.

    • Once the black and blue wires are desoldered, llift the motherboard out and away from the device.

    • Check out this awesome guide on how to solder and desolder connections.

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结论

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

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