Einleitung
How to disassamble tracker carefully, take a look on what`s inside and maintain it back.
Werkzeuge
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Removing soft strap.
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The device is pretty smart. It turns off those green puls measuring LED`s so it`s tricky to take a picture of those glowing.
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Remove 4 screws in corners from the back. Remove the cover. Thin silicone washer is visible now. The buttons look waterproof.
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Remove one more screw. Now 100mAh is visible. Also we can see some modules under the LCD panel. Will get there later.
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SURPRISE! the MCU is barried under a blob of epoxy(
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USB connector has only teo wires out for charging.
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And a reset button. Definitely not waterproof. Same as USB port cap. Why putting so much effort on that buttons and seal if anything else is not protected?!
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Double sided tape holds the battery.
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Separate plastic frame for LED`s is holded by two latches which are holded by a plastic flake. Rather complex.
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With frame removed. The flexible PCB with LED`s is also mounted on a double sided tape. While removing try to rip this corner with much copper on it.
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Those traces are signed, so cute.
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Vibromotor is glued firmly.
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Plastic frame is holded by two pins. Now remove 4 screws holding the panel.
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Two modules under the panels. Bluetooth 4 on the left. Unknown module on the right.
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Scoped photo of the right one.
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LCD panel works fine after reassembling.
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To reassemble your device, follow these instructions in reverse order.