DIY Bang Olufsen BO HIFI AUX DIN socket to 3.5mm stereo TRS mod

Recently an old Bang Olufsen system found it's way onto my desk. No doubt it will end up in landfill like all the others, but for now it will serve me as a desktop speaker, for the pleasure of enjoying music. BeoSound Century.

The problem to overcome was how to connect the phone to it, as the old system does not provide any contemporary connectors. But it does have a 7 pin DIN socket and an AUX button, and so with a bit of experimenting, I quickly found where to poke my audio wires.  With a bit of blutek to keep things in place at the back, it does the job for now.

Here are the pins:


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