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Это демонтаж а неруководство по ремонту. Чтобы отремонтировать Fitbit One, воспользуйтесь нашим сервисным руководством.

  1. Fitbit One Teardown, Fitbit One Teardown: шаг 1, изображение 1 из 2 Fitbit One Teardown, Fitbit One Teardown: шаг 1, изображение 2 из 2
    • Removing the metal backplate is simple. This is just stuck on with some flexible glue. So prise something under and off it pops.

    • Inside you can see a number of large cut outs in the rear of the plastic casing.

    • Note the small pinhole in the metal backplate that aligns with the rubber sealed hole in the plastic casing - more on that later.

    • There is also a very small ground out area inside the metal backplate that appears to align with the rotating mass of the vibrator.

  2. Fitbit One Teardown: шаг 2, изображение 1 из 2 Fitbit One Teardown: шаг 2, изображение 2 из 2
    • The plastic casing is made up of two parts stuck together. Using a precision utility knife, carefully cut along the seam.

    • There are plastic clips at each end that are easy to cut through inadvertently if you go too deep.

    • The front now lifts away cleanly.

  3. Fitbit One Teardown: шаг 3, изображение 1 из 2 Fitbit One Teardown: шаг 3, изображение 2 из 2
    • Inside the front cover you see the LCD display, attached by ribbon cable and stuck firmly onto the PCB.

    • Above the display, running down the right hand side of the device front, is the BLE antenna.

    • Lifting the LCD glass just results in destroying it, and there is nothing interesting underneath anyway.

  4. Fitbit One Teardown: шаг 4, изображение 1 из 2 Fitbit One Teardown: шаг 4, изображение 2 из 2
    • The PCB lifts out from the back of the plastic housing easily.

    • Notice how the battery is supported on stand-offs from the rear of the PCB.

    • The battery is held in place with a small foam block adhering to the battery and PCB. Cut that away and the battery lifts off.

  5. Fitbit One Teardown: шаг 5, изображение 1 из 2 Fitbit One Teardown: шаг 5, изображение 2 из 2
    • Now we get to see some more interesting parts.

    • The SoC has a QR code sticker, likely for inventory control, so take that off to see what we have underneath.

    • You can also see the spring-loaded paddles at the bottom of the PCB that connect to the device charging pins.

    • The power control module for the battery is wrapped up near the battery terminals.

  6. Fitbit One Teardown: шаг 6, изображение 1 из 2 Fitbit One Teardown: шаг 6, изображение 2 из 2
  7. Fitbit One Teardown: шаг 7, изображение 1 из 2 Fitbit One Teardown: шаг 7, изображение 2 из 2
    • The air pressure hole, required for the altimeter, is protected by a piece of paper held in place by a foam collar.

    • In turn, the inside of the plastic cover presses onto a foam collar around the altimeter on the PCB.

    • This makes the device sweat proof, but not water tight.

  8. Fitbit One Teardown: шаг 8, изображение 1 из 1
    • Too bad the display was damaged during teardown.

    • Looks like a tidy, well-designed bit of tech!

    • Conclusion is that the FitBit One is not an easily repairable device.

    • The device is not designed to be opened, so you will do some damage by cutting it open

    • Taking things apart will compromise the water resistance of the device, and the LCD display is easily broken by any flexing or attempts to modify.

Tim Ellison

Участник с: 11/28/13

231 Репутация

1 руководство автора

27 Комментариев

Are there any markings indicating the controller interface for the LED display? Its a nice display, and I'd be curious if the module in my broken Fitbit could be repurposed.

Andrew Villeneuve - Ответить

My Fitbit went through the clothes washer attached to my jeans. When it came out I was amazed it was still working, but after 2 days the display went blank, and it was dead to the world. I tried unsuccesfully to dry it out in rice for a week, but that didn't help at all. I then took the decision to carefully open it as in this guide. I found quite a lot of sulphate corrosion at various places on the board, plus some water droplets inside the case. I cleaned the board with an ear bud dipped in methylated spirits to remove the corrosion, and I dried the water drops carefully with hair dryer. After gluing it together, and charging, it is working perfectly again - I guess not as water tight as before, but I can live with that - so long as it doesn't go through the washer again :P

wayne - Ответить

What type of glue did you use?

Vonda K Robb -

Could anyone tell me what kind of tools I should use to remove the metal back? I spent some time but did not work it out. Thanks.

Elias - Ответить

My Fitbit One fell face down during a wintry mix and drizzle and when I found it, it wasn't working. I put it in a bag of rice for a few hours but it didn't work. I opened it up and everything was remarkably clean and dry, but so far no success in resuscitation!

Chris - Ответить

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