Introduction
These steps will outlines replacement of the QC25 Motherboard, one of which is located in each earpiece. Be warned, this guide requires precision soldering of very small components and not recommended for the faint of heart.
What you need
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Begin repair by removing the ear cushion.
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The cushion is held on by a few small plastic clips. Pry carefully with plastic opening tool or fingernails.
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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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