Introduction
Sometimes Bose QuietComfort 35 II (Model:789564-0010) users complain about intermittent audio input when the audio jack cable is moved. This can be a sign of a bad audio jack. This guide details the removal and replacement of the stereo jack connector. If a new audio jack is added the following guide on soldering may be helpful:
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Take off ear cushion pad using the plastic opening tool. Pry until you notice the seam of the ear cushion separates from the plastic tabs.
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Remove the two 7-millimeter silver screws from the inside by using the Phillips #000 screwdriver to disconnect the back cover.
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Remove the two 5-millimeter silver screws attaching the earphones to the headband using the Phillips #000 screwdriver.
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Detach the earpiece form the band using the flat part of the metal spudger.
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Slide the joint at the end of the headphone band out to release ear piece.
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Replace the cable connector with spare driver/audio jack combo.
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Optional: desolder the five audio jack posts seen here, and replace individual audio jack.
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To reassemble your device, follow these instructions in reverse order.
