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Garmin Fenix 3 HR Motherboard Replacement

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This guide will give you all the necessary steps to change your old motherboard for a new one.

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  1. Garmin Fenix 3 HR Motherboard Replacement, Motherboard: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Garmin Fenix 3 HR Motherboard Replacement, Motherboard: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the five 7mm screws with H1.3 hex screwdriver.

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  2. Garmin Fenix 3 HR Motherboard Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Garmin Fenix 3 HR Motherboard Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use a plastic opening tool to remove the face of the device to expose the inner components.

    • There is one metal piece at the top of the face that is loose. This is the GPS antenna which will need to be removed as well.

    • Be careful of the ribbon that connects the motherboard to the display.

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  3. Garmin Fenix 3 HR Motherboard Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
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    Tweezers
    $4.99
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    • Disconnect this ribbon from the motherboard using tweezers.

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  4. Garmin Fenix 3 HR Motherboard Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Garmin Fenix 3 HR Motherboard Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Using a T5 screwdriver, remove the two 5mm screws.

    • The motherboard should move freely.

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  5. Garmin Fenix 3 HR Motherboard Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Another ribbon is attached from the underside of the motherboard. Disconnect this ribbon.

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  6. Garmin Fenix 3 HR Motherboard Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Disconnect wires connecting battery to motherboard.

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  7. Garmin Fenix 3 HR Motherboard Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • The battery is glued to the motherboard and will need pried off with a nylon spudger.

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  8. Garmin Fenix 3 HR Motherboard Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Now attach battery to new motherboard and reassemble.

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

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Jacob Smiley

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IUPUI, Team S1-G6, Harley Spring 2018 crwdns2935289:0IUPUI, Team S1-G6, Harley Spring 2018crwdne2935289:0

IUPUI-HARLEY-S18S1G6

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And where would one source replacement motherboard?

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donde puedo encontras placa.madre reeemplazo????

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