Introduction
This guide will demonstrate how to replace a faulty battery for the Sennheiser HD 4.50 BTNC. If the device does not respond when buttons are pressed, the battery might be the issue. Before beginning this repair, the headphones should be disconnected from any external power source, such as a charger.
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Locate the side designation on the headband-earpiece junction.
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The battery is on the left side.
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The motherboard is on the right side.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Équipe
University of Alabama, Team S2-G1, Bedsole Spring 2021 Membre de l'équipe University of Alabama, Team S2-G1, Bedsole Spring 2021
UA-BEDSOLE-S21S2G1
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16 tutoriels rédigés
6 commentaires
You can search with the part number(Shown in the photo) : AHB622540N1/AHB622540N01.
Where i can find it
This was pretty straightforward, but in opening the cap one of the tiny soldered wires pulled off the pad. It's so tiny that I don't have much hope of soldering it back. Any other way to reattach it? I put it back together anyways and now the right cup works fine, but the left is dead. I recommend a warning here about the little wires, if nothing else.
