Sony head unit stop working

[Schillthrill]

Is there really no way to bypass or add a BUS port to support this unit?

Screenshot_20210617-123759_Chrome.jpg

[MLA]

So you want to simulate the CD changer so the BUS Audio inputs go live?

Yes, you can plug in a dongle, but in my experience they are unreliable and it does not work for long before the inputs go dead again.