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Master and Dynamic MW50 Battery Replacement

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Time Required: 10 minutes
Difficulty: Moderate
Master and Dynamic MW50 Battery Replacement

Introduction

Go to step 1 ↓

In order to safely replace or check other parts for this device, it is sometimes necessary to first disconnect the battery. This will also allow you to replace the battery if you determine it to be faulty. You will need to unsolder and solder to replace your battery, and there is an attached guide to show you how. You will be disassembling the right side of the headphones.

What you need

Tools

    1. Master and Dynamic MW50 Battery Replacement, Master and Dynamic MW50 Disassembly: step 1, image 1 of 3 Master and Dynamic MW50 Battery Replacement, Master and Dynamic MW50 Disassembly: step 1, image 2 of 3 Master and Dynamic MW50 Battery Replacement, Master and Dynamic MW50 Disassembly: step 1, image 3 of 3
      • Pull the cushion off of the desired side by gripping the top of the headphones and pulling the cushion off.

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    2. Master and Dynamic MW50 Battery Replacement: step 2, image 1 of 1
      • Remove the four 5mm screws from the earpiece with a Y1 Triwing screwdriver.

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    3. Master and Dynamic MW50 Battery Replacement: step 3, image 1 of 1
      • Use the Jimmy to lift up the black cover to get inside the device.

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    1. Master and Dynamic MW50 Battery Replacement, Battery: step 4, image 1 of 2 Master and Dynamic MW50 Battery Replacement, Battery: step 4, image 2 of 2
      • Remove the tape attaching the thicker white wire to the battery. You may consider keeping the tape to reattach the wire later.

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    2. Master and Dynamic MW50 Battery Replacement: step 5, image 1 of 1
      • Desolder the two wires circled here.

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    3. Master and Dynamic MW50 Battery Replacement: step 6, image 1 of 2 Master and Dynamic MW50 Battery Replacement: step 6, image 2 of 2
      • Use an iFixit opening tool or something similar to pry out the battery.

      • There are two small tabs circled here that are holding the battery in. Push these down while prying to make the battery come out easier.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Tyler Guffey

Member since: 01/24/19

208 Reputation

2 Guides authored

Team

Cal Poly, Team S1-G4, White Winter 2019 Member of Cal Poly, Team S1-G4, White Winter 2019

CPSU-WHITE-W19S1G4

4 Members

72 Guides authored

2 Guide Comments

Hi, do you know where it’s possible to buy replacement batteries??

Mike - Reply Share

Did you ever find out what spec of battery and where to buy? Really want to run my MW50s wirelessly again.

TP 75 - Reply Share

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Past 24 Hours: 7

Past 7 Days: 27

Past 30 Days: 100

All Time: 2,923