Weisbaden with Sony/Blau/Audi CD changer question

[John Cody Forbes]

I've found most of the changers actually send raw pre-amp stereo audio over 3 wires. On my A8q I added an MP3 player input by simply cutting up a long 1/8 DIN patch cable and attaching the wires where the changer wires used to connect to the head unit (exactly where by experimenting). 

-Cody (mobile)

On Sep 21, 2010, at 10:10 PM, Huw Powell <audi at humanspeakers.com> wrote:

> OK, so my new 88 90Q now has a functioning radio/cassette, thanks to 
> that Audi parts superstore place.
> 
> I have a few cartridges for the Sony-branded CD changer (CDX-A30) in the 
> trunk, which I suspect "communicates" with the radio on an FM frequency.
> 
> Does anyone know what frequencies I should try?  And, indeed, if this is 
> how it works?  This car is stuffed with aftermarket electronics (wiring 
> and antennae for 3 radios, Chilton alarm, etc...), I'm assuming and 
> hoping that most of it still works.
> 
> Thanks in advance for any suggestions!
> 
> -- 
> Huw Powell
> 
> http://www.humanspeakers.com/audi
> 
> http://www.humanthoughts.org/
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