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  1. Pull the head from toothbrush. Pull the head from toothbrush.
    • Pull the head from toothbrush.

  2. Use a nylon spudger to pry the chrome cap at the bottom off. Use a nylon spudger to pry the chrome cap at the bottom off.
    • Use a nylon spudger to pry the chrome cap at the bottom off.

    Cover the toothbrush with a thin towel or some cardboard, then take a pair of pliers or channel locks and squeeze the corners to slightly deform the case. That will give you some room to get under the cap.

    Maybe Dave - Replica

  3. Use a nylon spudger to release the black tabs on either side of internals.
    • Use a nylon spudger to release the black tabs on either side of internals.

  4. Put the metal head on a solid surface with handle perpendicular to the surface. Firmly, yet gently, push down until the internals start to slide out. Put the metal head on a solid surface with handle perpendicular to the surface. Firmly, yet gently, push down until the internals start to slide out.
    • Put the metal head on a solid surface with handle perpendicular to the surface. Firmly, yet gently, push down until the internals start to slide out.

  5. Remove rubber covers from the top of the motherboard and the back of the battery.
    • Remove rubber covers from the top of the motherboard and the back of the battery.

  6. Using a soldering iron, remove the solder from the three marked spots.
    • Using a soldering iron, remove the solder from the three marked spots.

    • The pins are labeled "F1", "R6", "JP1"

    Lötsin nicht entfernen !

    Nur erwärhmen und dabei druck auf die Batterie geben.

    Lötstelle JP1 nicht nötig. Nur R6 bzw Minuspol

    Felix - Replica

  7. After de-soldering, the battery should be loose. If this is not the case, spend more time removing the solder.
    • After de-soldering, the battery should be loose. If this is not the case, spend more time removing the solder.

    • When the battery comes loose, gently wiggle it out and away from the device.

  8. Carefully reinsert the new battery into the same spot as the old one. Gently press until it is firmly pressed against the toothbrush.
    • Carefully reinsert the new battery into the same spot as the old one. Gently press until it is firmly pressed against the toothbrush.

  9. Apply a small amount of solder to the three points shown to attach the battery.
    • Apply a small amount of solder to the three points shown to attach the battery.

    • The pins are labeled "F1", "R6", "JP1"

  10. Replace the rubber covers on the motherboard and battery.
    • Replace the rubber covers on the motherboard and battery.

    • Reverse the case replacement guide to finish putting the toothbrush back together.

    Photo here is unclear, but there are two small black posts on the circuit board that the rubber cover needs to line up with. Gently press down on the cover, and be sure that the side clips (of the rubber cover) and engaging the sides of the circuit board.

    Maybe Dave - Replica

Conclusione

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

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Team

IUPUI, Team S22-G1, Bayer Fall 2017 Membro di IUPUI, Team S22-G1, Bayer Fall 2017

IUPUI-BAYER-F17S22G1

4 Membri

9 Guide realizzate

2 Commenti

I recommend to soak the bottom of the brush in a cup of warm water to make it easier to remove the bottom cap. The plastic is very easy to crack when cold.

Janson McCreery - Replica

This is a decent guide. Thank you to the author! Problem is that they don't make these devices user serviceable, so we basically have to pry and force the cap off. ARGH! RIGHT TO REPAIR NOW!!

Maybe Dave - Replica

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