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This guide will show you how to replace the circuit board for the Philips Sonicare 2 Series toothbrush. He is a link for a guide how to soldering which will be needed for this guide. How To Solder and Desolder Connections
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Pull upwards to remove the brush head from the top of the device.
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Remove the 12 mm T8 Torx screw from the bottom of the toothbrush. After removing the screw, pry off the base with a plastic opening tool.
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Remove the internal electronic mechanism from the housing by prying the red clips shown in the figure. This removes the charging port.
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Next you will be able to remove the internal electronic mechanism as shown in the figure.
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Remove the white battery cover as shown in the figure.
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Remove the white circuit board cover as shown. This cover will require you to pry off the piece from the groves .
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Pry away the battery using an opening tool from the battery housing. This will break the circuit and avoid electric shock.
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Desolder the circuit board from the motor as shown.
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Desolder the circuit board from the housing as shown to remove the board
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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