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Introduction

If your Sony WH-CH710N headphones have started to sound distorted, quiet, or have lost audio in one ear, the internal speakers may need to be replaced. This guide will walk you through the process step by step, helping you safely open the headphones, remove the faulty speakers, and install new ones. With the right tools and a bit of patience, you can restore your headphones’ sound quality and extend their lifespan.

Before beginning the repair, power off the headphones and disconnect them from the charger or audio cable.

Warning: This guide requires the use of a soldering iron to desolder the speaker connectors. If you are unfamiliar with soldering or need a refresher, refer to the How to Solder and Desolder Connections guide.

What you need

Step 1 Right Ear Cup

Sony WH-CH710N Right Speaker Replacement, Right Ear Cup: step 1, image 1 of 1

Pinch the right ear pad cushion and gently pull it away from the ear cup to remove it.

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Step 2

Use a Phillips #1 screwdriver to remove the four 4.0 mm screws from the outer ear plate.

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Step 3

Sony WH-CH710N Right Speaker Replacement: step 3, image 3 of 3

Using even pressure around all edges, gently pull the black outer ear plate away from the cup of the earphone.
The plastic is fragile, so it is important not to force the removal. It may be helpful to use the opening tool or spudger to pry around the edge of the outer ear plate.

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Step 4

Use a Phillips #1 screwdriver to remove the four 3.0 mm screws from the inner ear plate.

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Step 5

Gently grasp the black inner ear plate and pull it away from the cup of the earphone, exposing the internal components.
The internal components are still attached to the wires, which are glued into the inner ear plate. Be extremely careful not to pull on the wires while performing this step.

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Step 6 Right Speaker

Sony WH-CH710N Right Speaker Replacement, Right Speaker: step 6, image 1 of 1

Push on alternating sides of the JST connector, to release it.
If that doesn't work, use a pair of tweezers to firmly grip the sides of the battery connector and pull straight away from the socket. Hold the tweezers closer to the connector to get a better grip.
Avoid scratching the circuit board or damaging any wires in the process.
If this step is not performed, the cord connected to the circuit board may still carry an electrical current, creating a risk of electric shock or damage to the board.

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Step 7

Using the #1 Phillips head screwdriver, unscrew and remove the two 3.0 mm screws that hold the circuit board in place.

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Step 8

Sony WH-CH710N Right Speaker Replacement: step 8, image 3 of 3

Using your fingers or a pair of tweezers, gently grasp the circuit board and lift it out of the ear cup.
You will not be able to remove it completely because the wires are still connected.
If possible, place the circuit board in the Helping Hands or a safe place to desolder the speaker wires.
The next step shows the speaker wires being desoldered while the board is still inside the ear cup. However, it is easier and safer to solder away from the headphones.

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Step 9

Use a soldering iron to remove the 4 wire connections below the inner plate.
With the bottom of the headphone facing you, the wires are connected left to right in this order: black wire --> green, copper | white wire --> red, copper.