| This Guide is for users looking to replace a faulty powerboard in their Sennheiser HD 4.50 headphones. |
| This is a Sennheiser HD 4.50 Headphone powerboard repair guide. This guide is useful for users whose headphones are not properly functioning due to issues with the powerboard. The powerboard is the main control system for the headphone where all electrical connections run. A faulty powerboard could cause many problems to the headphones from volume issues all the way to complete headphone failure. If the users headphones seem to be experiencing electrical/technical issues, this guide is a good place to turn. |
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| In Step 4 you will require you to remove wires that have been hot glued down to the powerboard. Make sure to use safe practices to ensure everything goes safely. |