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TicWatch Pro 3 GPS Motherboard Replacement

Introduction

Use this guide to replace the motherboard in your TicWatch Pro 3 GPS.

Replacing the motherboard in the TicWatch Pro 3 GPS requires you to remove the battery. Do not reuse the battery if it has been deformed or damaged, as doing so is a potential safety hazard. Replace it with a new battery.

For your safety, discharge the battery below 25% before disassembling your watch. This reduces the risk of fire if the battery is accidentally damaged during the repair. If your battery is swollen, take appropriate precautions.

You’ll need replacement adhesive when reassembling the device. Your device will function normally, but will lose its IP (Ingress Protection) rating.

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  1. TicWatch Pro 3 GPS Motherboard Replacement, Power down your watch: étape 1, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Power down your watch: étape 1, image 2 de 2

    • Before starting repairs, take your watch off the charger and power it down.

    • Remove the watch band.

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  2. TicWatch Pro 3 GPS Motherboard Replacement, Unfasten the back cover: étape 2, image 1 de 1

    • Use a Torx T3 screwdriver to remove the four 4.1 mm-long screws securing the back cover.

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  3. TicWatch Pro 3 GPS Motherboard Replacement, Loosen the back cover adhesive: étape 3, image 1 de 1

    • Apply a heated iOpener to the rear side of the watch for 5 minutes to loosen the adhesive underneath.

    • A hair dryer, heat gun, or hot plate may also be used, but be careful not to overheat the device.

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  4. TicWatch Pro 3 GPS Motherboard Replacement, Pry up the back cover assembly: étape 4, image 1 de 3 TicWatch Pro 3 GPS Motherboard Replacement, Pry up the back cover assembly: étape 4, image 2 de 3 TicWatch Pro 3 GPS Motherboard Replacement, Pry up the back cover assembly: étape 4, image 3 de 3

    • Insert the flat end of a spudger into the microphone opening at the top edge of the back cover.

    • Pry upwards to loosen the back cover assembly. This may require some force.

    • Don't try to remove the back cover assembly all the way yet. It's still connected to the daughterboard.

    • Swing the back cover assembly open by 45 degrees to gain access to the sensor assembly cable.

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  5. TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the sensor assembly cable: étape 5, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the sensor assembly cable: étape 5, image 2 de 2

    • Use a spudger to disconnect the sensor assembly cable by prying the connector straight up from its socket.

    • To re-attach press connectors like this one, carefully align and press down on one side until it clicks into place, then repeat on the other side. Do not press down on the middle. If the connector is misaligned, the pins can bend, causing permanent damage.

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  6. TicWatch Pro 3 GPS Motherboard Replacement, Remove the back cover assembly: étape 6, image 1 de 3 TicWatch Pro 3 GPS Motherboard Replacement, Remove the back cover assembly: étape 6, image 2 de 3 TicWatch Pro 3 GPS Motherboard Replacement, Remove the back cover assembly: étape 6, image 3 de 3

    • Remove the back cover assembly.

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  7. TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the microphone cable: étape 7, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the microphone cable: étape 7, image 2 de 2

    • Use a spudger to disconnect the microphone cable by prying the connector straight up from its socket.

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  9. TicWatch Pro 3 GPS Motherboard Replacement, Unfasten the core assembly: étape 8, image 1 de 1

    • Use a Phillips screwdriver to remove the three 4.1 mm-long screws securing the core assembly.

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  10. TicWatch Pro 3 GPS Motherboard Replacement, Pry up the core assembly: étape 9, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Pry up the core assembly: étape 9, image 2 de 2

    • Insert the point of a spudger between the right edge of the core assembly and the watch frame.

    • Pry upwards to loosen the core assembly.

    • Don't try to remove the core assembly all the way yet. It's still connected to the screen.

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  11. TicWatch Pro 3 GPS Motherboard Replacement, Swing open the core assembly: étape 10, image 1 de 3 TicWatch Pro 3 GPS Motherboard Replacement, Swing open the core assembly: étape 10, image 2 de 3 TicWatch Pro 3 GPS Motherboard Replacement, Swing open the core assembly: étape 10, image 3 de 3

    • Carefully swing open the core assembly like the front cover of a book.

    • Avoid straining or tearing the display cables at the bottom of the core assembly.

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  12. TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the display cables: étape 11, image 1 de 3 TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the display cables: étape 11, image 2 de 3 TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the display cables: étape 11, image 3 de 3

    • Use a spudger to disconnect the screen and the digitizer cables by prying the connectors straight up from their sockets.

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  13. TicWatch Pro 3 GPS Motherboard Replacement, Remove the core assembly: étape 12, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Remove the core assembly: étape 12, image 2 de 2

    • Remove the core assembly.

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  14. TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the interconnect cable: étape 13, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the interconnect cable: étape 13, image 2 de 2

    • Use a spudger to disconnect the interconnect cable by prying the connector straight up from its socket.

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  15. TicWatch Pro 3 GPS Motherboard Replacement, Remove the daughterboard: étape 14, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Remove the daughterboard: étape 14, image 2 de 2

    • Use a pair of tweezers to remove the daughterboard.

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  16. TicWatch Pro 3 GPS Motherboard Replacement, Pry up the battery: étape 15, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Pry up the battery: étape 15, image 2 de 2

    • The battery is held in place by mild adhesive.

    • Insert the flat end of a spudger between the bottom edge of the battery and the midframe.

    • Take care not to puncture or bend the battery with your tool—a punctured or bent battery may leak dangerous chemicals or cause a fire.

    • Pry upwards to loosen the battery.

    • If you're struggling to pry up the battery, place a heated iOpener onto the motherboard to loosen the adhesive underneath. Don't apply the iOpener directly onto the battery.

    • Don't try to remove the battery all the way yet. It's still connected to the motherboard.

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  17. TicWatch Pro 3 GPS Motherboard Replacement, Reposition the battery: étape 16, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Reposition the battery: étape 16, image 2 de 2

    • Carefully fold the battery over to gain access to the battery cable connector.

    • Avoid straining or tearing the battery cable.

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  18. TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the battery: étape 17, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Disconnect the battery: étape 17, image 2 de 2

    • Use a spudger to disconnect the battery cable by prying the connector straight up from its socket.

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  19. TicWatch Pro 3 GPS Motherboard Replacement, Remove the battery: étape 18, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Remove the battery: étape 18, image 2 de 2

    • Remove the battery.

    • Do not reinstall a damaged or deformed battery, as doing so is a potential safety hazard.

    • Secure the new battery with pre-cut adhesive or double-sided adhesive tape. In order to position it correctly, apply the new adhesive into the device at the places where the old adhesive was located, not directly onto the battery. Press the new battery firmly into place.

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  20. TicWatch Pro 3 GPS Motherboard Replacement, Remove the interconnect cable: étape 19, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Remove the interconnect cable: étape 19, image 2 de 2

    • Use a spudger to disconnect the interconnect cable by prying the connector straight up from its socket.

    • Remove the interconnect cable.

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  21. TicWatch Pro 3 GPS Motherboard Replacement, Pry up the motherboard: étape 20, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Pry up the motherboard: étape 20, image 2 de 2

    • Insert the point of a spudger between the midframe and the motherboard.

    • Pry upwards to loosen the motherboard.

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  22. TicWatch Pro 3 GPS Motherboard Replacement, Remove the motherboard: étape 21, image 1 de 2 TicWatch Pro 3 GPS Motherboard Replacement, Remove the motherboard: étape 21, image 2 de 2

    • Remove the motherboard.

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Conclusion

Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before you install it.

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

During reassembly, apply new adhesive where it's necessary after cleaning the relevant areas with isopropyl alcohol (>90%).

For optimal performance, calibrate your newly installed battery after completing this guide.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our TicWatch Pro 3 answers community for help.

2 autres ont terminé cette réparation.

Auteur

Dominik Schnabelrauch

Membre depuis le 11/23/16

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2 commentaires

Hi there , just disassembled the motherboard no issues, i wanted to see what was wrong with the watch and its atleast from what i can tell water damage to the motherboard, can anyone help me find a replacement ? I'm struggling with that

iballisticgiannakos - Réponse

Hi, have you found a replacement? The second display is the one that is failing for me. Thank you.

Walter Guerrero -

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