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Bu teardown bir tamir kılavuzu değildir. Fitbit Charge 5 cihazınızı onarmak için, servis kılavuzumuzu kullanın.

  1. Fitbit Charge 5 Teardown, Device: adım 1, 2 resimden 1. Fitbit Charge 5 Teardown, Device: adım 1, 2 resimden 2.
    • Fitbit Charge 5 device

  2. Fitbit Charge 5 Teardown, Remove back: adım 2, 3 resimden 1. Fitbit Charge 5 Teardown, Remove back: adım 2, 3 resimden 2. Fitbit Charge 5 Teardown, Remove back: adım 2, 3 resimden 3.
    • Heat the back with a heat gun at 130C to loosen the adhesive.

    • Pry the side opposite the connector area from the strap latch

    • Pry the top and bottom near the connector. There are small plastic pins.

  3. Fitbit Charge 5 Teardown, On the back: adım 3, 3 resimden 1. Fitbit Charge 5 Teardown, On the back: adım 3, 3 resimden 2. Fitbit Charge 5 Teardown, On the back: adım 3, 3 resimden 3.
    • TI 14WP6JP AFE4500 - Texas Instruments Ultra-Small, Integrated AFE for Bio-Impedance Analysis, Electrical Biosensing and Optical Bio-sensing

    • TI13AD5R8 BQ25156 - Texas Instruments BQ25 series 1S battery charger

    • 121 2624 C72S - Unknown

  4. Fitbit Charge 5 Teardown, Remove Main Board and Battery: adım 4, 3 resimden 1. Fitbit Charge 5 Teardown, Remove Main Board and Battery: adım 4, 3 resimden 2. Fitbit Charge 5 Teardown, Remove Main Board and Battery: adım 4, 3 resimden 3.
    • Pry from the sides of the battery to lift out. There is some adhesive/foam between the battery and case

    • You will have to cut the flex cables to the capacitive touch buttons on either side

  5. Fitbit Charge 5 Teardown, Remove Battery: adım 5, 3 resimden 1. Fitbit Charge 5 Teardown, Remove Battery: adım 5, 3 resimden 2. Fitbit Charge 5 Teardown, Remove Battery: adım 5, 3 resimden 3.
    • Peel the battery off and unplug

  6. Fitbit Charge 5 Teardown, Battery Detail: adım 6, 2 resimden 1. Fitbit Charge 5 Teardown, Battery Detail: adım 6, 2 resimden 2.
    • 271617 unbranded battery. Marked as 65mAh

    • Mine tested at 24mAh, after a few years of use

  7. Fitbit Charge 5 Teardown, Battery Protection: adım 7, 3 resimden 1. Fitbit Charge 5 Teardown, Battery Protection: adım 7, 3 resimden 2. Fitbit Charge 5 Teardown, Battery Protection: adım 7, 3 resimden 3.
    • 761EJ1U1 - Mitsumi MC3761 series protection IC with integrated MOS-FET for protection of the rechargeable Lithium-ion or Lithium-polymer battery

    • A temp sensor somewhere

  8. Fitbit Charge 5 Teardown, Remove Can: adım 8, 3 resimden 1. Fitbit Charge 5 Teardown, Remove Can: adım 8, 3 resimden 2. Fitbit Charge 5 Teardown, Remove Can: adım 8, 3 resimden 3.
    • The can pops off easily with a razor blade starting at the corners

    • Hi Morgan 👋

  9. Fitbit Charge 5 Teardown, Mainboard Detail: adım 9, 3 resimden 1. Fitbit Charge 5 Teardown, Mainboard Detail: adım 9, 3 resimden 2. Fitbit Charge 5 Teardown, Mainboard Detail: adım 9, 3 resimden 3.
    • 2M AMA4B 212501 HADD - Ambiq Micro, Inc. Apollo4 Blue Lite SoC

    • QUAM V14 - Looks like a custom branded Fitbit chip

    • 12110 U25A - Unknown

    • NXP 100TB2 VC95122 037-080 - Unknown

    • Is this the GPS receiver? (if not, where is it?)

  10. Fitbit Charge 5 Teardown, Remove Screen: adım 10, 3 resimden 1. Fitbit Charge 5 Teardown, Remove Screen: adım 10, 3 resimden 2. Fitbit Charge 5 Teardown, Remove Screen: adım 10, 3 resimden 3.
    • Heat the screen to 130C

    • Push it out from inside

    • As the screen pushes out slightly, it should reveal 3x PH000 screws to undo (I ended up just cutting the metal tabs)

  11. Fitbit Charge 5 Teardown, Screen PCB Detail: adım 11, 3 resimden 1. Fitbit Charge 5 Teardown, Screen PCB Detail: adım 11, 3 resimden 2. Fitbit Charge 5 Teardown, Screen PCB Detail: adım 11, 3 resimden 3.
    • The bluetooth antenna is a spiral around the edge of the flex PCB

  12. Fitbit Charge 5 Teardown, Display Controller: adım 12, 2 resimden 1. Fitbit Charge 5 Teardown, Display Controller: adım 12, 2 resimden 2.
    • Raydium AMOLED controller

Knio

Üyelik tarihi: 03/01/25

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