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Garmin Fenix 3 Motherboard Replacement

简介

Even the best electronics die out over time, especially devices used in harsh conditions. This guide will show how to replace the motherboard of your Garmin Fenix 3 if the electronics are showing signs of failure. You will need a T6 Torx screwdriver, a T5 Torx screwdriver, and a spudger.

你所需要的

  1. Garmin Fenix 3 Motherboard Replacement, Display Assembly: 步骤 1 中的图像 1，2 Garmin Fenix 3 Motherboard Replacement, Display Assembly: 步骤 1 中的图像 2，2

    • Use a T6 screwdriver to remove the five 1.7 mm screws from the watch face.

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  2. Garmin Fenix 3 Motherboard Replacement: 步骤 2 中的图像 1，1

    • Carefully lift the face off the watch base.

    • Do not yank the face. A ribbon connector connects the face and the motherboard, and yanking could result in damage to the motherboard or ribbon.

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  3. Garmin Fenix 3 Motherboard Replacement: 步骤 3 中的图像 1，1

    • Use a spudger to lift up and free the screen ribbon cable's press-fit connector from the motherboard.

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  4. Garmin Fenix 3 Motherboard Replacement: 步骤 4 中的图像 1，1

    • Set the watch face aside.

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  6. Garmin Fenix 3 Motherboard Replacement, GPS Antenna: 步骤 5 中的图像 1，1

    • Locate the antenna, which is located on the motherboard.

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  7. Garmin Fenix 3 Motherboard Replacement: 步骤 6 中的图像 1，1

    • Carefully remove the antenna, and set it aside.

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  8. Garmin Fenix 3 Motherboard Replacement, Motherboard: 步骤 7 中的图像 1，3 Garmin Fenix 3 Motherboard Replacement, Motherboard: 步骤 7 中的图像 2，3 Garmin Fenix 3 Motherboard Replacement, Motherboard: 步骤 7 中的图像 3，3

    • Locate the two silver 1.4 mm T5 screws, and carefully unscrew them.

    • To avoid losing or dropping the screws once they are loose, use tweezers to extract them.

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  9. Garmin Fenix 3 Motherboard Replacement: 步骤 8 中的图像 1，2 Garmin Fenix 3 Motherboard Replacement: 步骤 8 中的图像 2，2

    • Lift the watch and turn it over one hand. The motherboard should fall out easily.

    • When reinserting your motherboard, slide it in instead of pressing it. The motherboard must go beneath a lip at the base of the watch body.

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  10. Garmin Fenix 3 Motherboard Replacement: 步骤 9 中的图像 1，1

    • Using the spudger, separate the motherboard from the battery, which are both held together with a mild adhesive.

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  11. Garmin Fenix 3 Motherboard Replacement: 步骤 10 中的图像 1，1

    • Motherboard without metal cover

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结论

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

6等其他人完成本指南。

16条评论

Hello,

i’m looking for replacement of start/stop button micro switch. Do you know what is the switch number which i can look for?

Thank you

Jan Stefan - 回复

that's my problem too and i can't find any solution.

Hamidmonti -

How did you remove the metal cover from the moterboard (last picture)

slowrun - 回复

Where can I find a replacement Motherboard ? None of my buttons are responding and I can’t even do a Factory reset.

All that works is switching off and back on.

arnaud.lhote - 回复

I have exact same issue. I sent my watch to official repair service to Split (Croatia) and they said they aren’t able to fix it. I can see only main screen of the watch, buttons don’t respond at all. Would like to know how to fix the issue.

ilija.veselica -

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