Quote: Originally Posted by
DaveDog 
Ok the other IC on the main PCB is a BD3805F , that is a 4 channel audio controller, must be a switcher for the iPod interface, it's controlled via a I2C bus, so what do you wanna bet the communication between the car interface PCB and the main PCB is also I2C ?
VERY INTERESTING.. do i also smell Optical out?