Bose Quiet Comfort 35 II Audio Jack Connector Replacement

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 connector. 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:

How To Solder and Desolder Connections

What you need

Step 1 Audio Jack Cable Connector

Bose Quiet Comfort 35 II Audio Jack Connector Replacement, Audio Jack Cable Connector: step 1, image 1 of 1

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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Step 2

Bose Quiet Comfort 35 II Audio Jack Connector Replacement: step 2, image 3 of 3

Take off the ear cover by peeling off the glue with hands.

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Step 3

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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Step 4

Remove the two 5-millimeter silver screws attaching the earphones to the headband using the Phillips #000 screwdriver.

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Step 5

Detach the earpiece form the band using the flat part of the metal spudger.
Slide the joint at the end of the headphone band out to release ear piece.

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Step 6

Detach the silver cover on the outside of the headset using the spudger.
Pry until you hear a distinct pop; this indicates the cover has separated from its base.

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Step 7

Solder off the ribbon cable from the driver near the cable connector port to detach it.

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Step 8

Replace the cable connector with spare driver/audio jack combo.
Optional: desolder the five audio jack posts seen here, and replace individual audio jack.

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