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The Sennheiser RS 120 is an RF wireless headphone system with open, supra-aural headphones.

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Has anyone seen a schematic for the HDR120?

I am hoping to take my broken headset and repurpose the innards as an RF receiver for standard set of headphones.

It seems like an easy build, but a schematic would simplify it.


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Unfortunately these sort of schematics aren’t really available due to there not being enough demand for them ,for Sennheiser you usually find schematics for there higher end microphones and things like that

You could try and write a rough schematic just from looking at the board assuming you know what your components symbols are and how to draw these sorts of diagrams

Hopefully this helps

Any questions please ask


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