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Introduction

If while using your Marshall Major IV headphones you experience a loss of audio or notice the headband is no longer providing comfort, it’s possible an internal connection has been damaged under the cushion and a replacement may be necessary.

What you need

Step 1 Battery

Marshall Major IV Driver Assembly Replacement, Battery: step 1, image 1 of 1

Twist the left earpad counter-clockwise to remove it.

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Step 2

Remove the protective seal on the driver assembly.

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Step 3

Remove all four of the 4 mm Phillips #1 screws securing the driver assembly.

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Step 4

Gently remove the driver assembly and set it beside the housing, with care not to strain the connected cables.

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Step 5

Unplug the white battery connector from the PCB.

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Step 6

Use an opening tool to gently pry up and remove the battery.

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Step 7 Driver Assembly

Marshall Major IV Driver Assembly Replacement, Driver Assembly: step 7, image 1 of 1

Desolder the two driver connections.
Remove the driver assembly.

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Conclusion

To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.

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