Einleitung
If you are experiencing dysfunctional buttons on the side of the brush, this guide will walk you through on how to take apart the brush in order to replace these buttons. Soldering is involved, so if you don't know how to solder take a look at this Wie man Lötverbindungen herstellt und entlötet
Werkzeuge
Ersatzteile
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Remove the circuit board and heating element from the handle.
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This will make it easier to work on for later steps.
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Each button is soldered in four places on the circuit board. Using the soldering tool, melt each of these four points and remove the dysfunctional buttons.
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You may have to bend the dark red capacitor out of the way to reach the soldering points.
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Now that the dysfunctional buttons are removed, use a soldering tool and solder to install the new buttons on the circuit board.
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Solder at the same four points as when previously melting these points to remove the buttons.
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To reassemble your device, follow these instructions in reverse order.