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Introduction

This guide is intended to replace the internal power jack in the Marshall Stanmore II Bluetooth Speaker.

The power jack provides power from the external cable that is plugged into the outlet to the speaker's internal components. This allows the speaker to turn on and play audio from any Bluetooth-capable device. Since the speaker doesn't contain a battery, the power jack must function as intended for the speaker to power on.

Before using this guide, verify that you are not using a faulty power outlet. This can be checked by plugging in another device and making sure that it works as intended. Now, follow the Marshall Stanmore II Troubleshooting guide in case there is a simpler solution before disassembly.

What you need

Step 1 Rear Panel

Marshall Stanmore II Power Jack Replacement, Rear Panel: step 1, image 1 of 2

Marshall Stanmore II Power Jack Replacement, Rear Panel: step 1, image 2 of 2

Turn off the device and unplug the cable from the wall and the speaker.
Lay the speaker with the back panel facing up on a flat, stable work surface.

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Step 2

Use a Phillips #2 screwdriver to remove the ten 20.5 mm screws that secure the rear panel to the chassis.

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Step 3

Carefully lift the rear panel and let it rest on an object, like a stack of books, to avoid straining the cables.
Do not attempt to fully remove the panel, as this will damage the connections inside.

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Step 4 Power Jack

Marshall Stanmore II Power Jack Replacement, Power Jack: step 4, image 1 of 2

Marshall Stanmore II Power Jack Replacement, Power Jack: step 4, image 2 of 2

Set the panel back in place.
Use a #1 Phillips screwdriver to remove the two 11.7 mm screws that secure the power jack.
When removed for the first time, the jack will remain in place until it is pulled out.