手順 5を翻訳中
手順5
Charging Lead Attachment
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With the earpiece removed, we can get access to the battery charging terminals. Identify the location of the cell positive and negative terminals.
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The negative terminal (cell ground) is a large soldered tab. The positive terminal is the second lead from the square IC chip.
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Remove the silastic wire bonding to expose the ground and positive lead. De-solder and tape back the cell positive ground to protect the unit's electronics from the charging current in the next step.
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Solder appropriately colored wires on to the two terminals.
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Check battery voltage, it should be at or near 0V.
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