Audio System

AUDIO SYSTEM

System Diagram






System Description
The audio system is equipped with the following functions. Each function can be operated with the multifunction switch, preset switch or steering switch. It indicates the operation status of AUDIO to the display.






FUNCTION DESCRIPTION

Operating signal
Operation of the audio system can be performed with the multifunction switch, preset switch or steering switch.
- Operating signal is transmitted to AV control unit with AV communication when it is operated by multifunction switch or preset switch. The CD ejection operating signal is performed by hard wire.
- Operating signal is transmitted to AV control unit with steering switch signal when it is operated by steering switch.

Screen display
- The display switching of the screen is performed with the communication signal between the display and the AV control unit.
- The image signal to display operating condition is performed with RGB signal, RGB area signal and RGB image synchronizing signal.

AM/FM Radio Mode
- AM/FM radio tuner is built into AV control unit.
- Audio signal is received by glass antenna, next it is amplified by antenna amp, and finally it is input to AV control unit. Audio signal is input to BOSE amp. and BOSE amp. outputs to woofer amp. and each speaker for AV control unit.

CD Mode
- CD function is built into AV control unit.
- AV control unit outputs audio signal to BOSE amp. and BOSE amp. outputs to woofer amp. and each speaker when CD is inserted to AV control unit.

iPod Connection
- Connect iPod(R) and iPod adapter with wire harness and iPod adapter input iPod sound signal from iPod(R). When iPod mode is selected, iPod adapter output iPod sound signal to AV control unit. AV control unit output sound signal to BOSE amp., and BOSE amp. output sound signal to woofer amp. and each speaker.
- Receiving/transmitting of iPod(R) operation signals are performed as follows:
- between AV control unit and iPod adapter: AV communication.
- between iPod(R) and iPod adapter: serial communication.

- The iPod(R) connection status can be recognized whether iPod adapter receives iPod connection recognition signal.
- The iPod adapter is possible to charge iPod(R).

Driver's Audio Stage Mode
- Driver's Audio Stage controls the speaker's output characteristic by BOSE amp. so that the driver's seat is to be the center of sounds.
- ON/OFF signals of Driver's Audio Stage are transmitted from AV control unit to BOSE amp. using Mode signal.

Component Description