GF82.60-P-3102LE Audio/Video Controller, Component Description

GF82.60-P-3102LE Audio/Video Controller, Component Description
- with CODE (864) Rear entertainment system

Component Identification:

Location
The audio/video controller control unit is located freely accessible in the horizontal plane on the rear center console.

Task
^ Central control unit for rear entertainment system
^ Use of all audio and video devices or audio and video sources installed in the audio/video controller control unit
^ Management of connected audio or video devices or audio or video sources
^ Connection detection i.e. Recognition of which audio or video devices or audio or video sources are connected
^ Audio output control
^ Power and resource management
^ Diagnosis gateway
^ Conductance of cyclical self-tests
^ Theft protection (Tracking)
^ Receiving signals
^ Decoding of signals
^ Transmitting signals

Central control unit for rear entertainment system
The audio/video controller control unit can implement the following applications and display of the user interface using the selection menu through the left rear display (A40/5) or right rear display (A40/6):
- Disk:
- Audio or MP3-CD
- Video or MP3-DVD

- TV, with code (863) Digital/analog TV tuner or with code (529) HIGH Class Japan
- AUX1 (e.g. video cameras, MP3 player or games consoles)
- AUX2 (e.g. video cameras, MP3 player or games consoles)
- System settings (left rear display or right rear display OFF, day design, night design and automatic)

Use of all audio and video devices or audio and video sources installed in the audio/video controller control unit
Audio/video devices or audio or video sources can be connected in the following ways:
- AUX1:
- For example, portable DVD player, video cameras, MP3 players or games consoles
- AUX2:
- For example, portable DVD player, video cameras, MP3 players or games consoles
- Integrated DVD drive
- Audio or MP3-CD
- Video or MP3-DVD
- TV, with code (863) Digital/analog TV tuner or with code (529) HIGH Class Japan
- TV tuner integrated into COMAND control unit (A40/3), with code (529) HIGH Class Japan
- TV combination tuner (analog/digital) (A90/1), with code (863) TV tuner digital/analog

Management of connected audio or video devices or audio or video sources
Audio/video devices or audio or video sources can be controlled in the following ways:
- AUX1:
- For example, portable DVD player, video cameras, MP3 players or games consoles
- AUX2:
- For example, portable DVD player, video cameras, MP3 players or games consoles
- Integrated DVD drive
- Audio or MP3-CD
- Video or MP3-DVD
- TV, with code (863) Digital/analog TV tuner or with code (529) HIGH Class Japan
- TV tuner integrated into COMAND control unit, with code (529) HIGH Class Japan
- TV combination tuner (analog/digital), with code (863) Digital/analog TV tuner

Connection detection i.e. Recognition of which audio or video devices or audio or video sources are connected

The relevant audio or video devices or audio or video sources are recognized at the following connection options and components:
- AUX1:
- e.g. portable DVD player, video cameras, MP3 players or games consoles
- AUX2:
- e.g. portable DVD player, video cameras, MP3 players or games consoles
- Integrated DVD drive
- Audio or MP3-CD
- Video or MP3-DVD
- TV, with code (863) Digital/analog TV tuner or with code (529) HIGH Class Japan
- TV tuner integrated into COMAND control unit, with code (529) HIGH Class Japan
- TV combination tuner (analog/digital), with code (863) Digital/analog TV tuner

Audio output control
Controls the audio output for the headphones, which are connected via the headphone sockets integrated into the left rear display and right rear display.
For vehicles with code (810) Sound system the audio output is also sent via a low frequency (NF) line (stereo line) and the audio tuner control unit (N93/1) to the following speakers:
- Left rear door speaker group (H4/3)
- Right rear door speaker group (H4/4)
- Bass box speaker (H4/17)
- Center cockpit speaker (centerfill) (H4/27)
- Left rear surround speaker (H4/54)
- Right rear surround speaker (H4/57)
- Left front door sound tweeter (H4/68)
- Right front door sound tweeter (H4/69)
- Left front door sound woofer and midrange speaker group (H4/72)
- Right front door Sound woofer and midrange speaker group (H4/73)

Power and resource management
Detection of overvoltage/undervoltage combined with appropriate switch on/off behavior

Diagnosis gateway
The audio/video controller control unit serves as a diagnosis gateway.

Conductance of cyclical self-tests
The audio/video controller control unit permanently conducts a cyclical self-test.

Theft protection (Tracking)
The audio/video controller control unit supports the theft protection (Tracking).

Receiving signals
^ Direct lines
^ Controller Area Network (data bus/CAN bus) (CAN)

Direct lines
- Circuit 30g and circuit 31 power supply
- Y/C connection (Y/C line) for analog video signals from TV combination tuner (analog/digital), with code (863) Digital/ analog TV tuner, or from the TV tuner integrated into the COMAND control unit, with code (529) HIGH Class Japan
- LF line (stereo line) for analog audio signals from TV combination tuner (analog/digital), with code (863) Digital/ analog TV tuner, or from the TV tuner integrated into the COMAND control unit, with code (529) HIGH Class Japan
- Analog video and audio signals from the AUX1 connector or AUX2 connector on the front of the connected audio or video sources
- Digital video and audio signals from the audio CD, video DVD, MP3-CD or DVD inserted in the DVD drive

CAN
The audio/video controller control unit uses the telematics CAN. It communicates with the following components:
- RCP [HBF] control unit (N72/2)
- Left rear display
- Right rear display
- COMAND control unit, with code (526) COMAND with single DVD drive (without navigation), with code (527) COMAND APS with single DVD drive (with navigation) or with code (529) HIGH Class Japan

Decoding of signals
Decodes analog or digital audio and video signals into analog audio and video signals for the audio and video sources rendered available through the following connection options and components:
- AUX1:
- For example, portable DVD player, video cameras, MP3 players or games consoles
- AUX2:
- For example, portable DVD player, video cameras, MP3 players or games consoles
- Integrated DVD drive
- Audio or MP3-CD
- Video or MP3-DVD
- TV, with code (863) Digital/analog TV tuner or with code (529) HIGH Class Japan
- TV tuner integrated into COMAND control unit, with code (529) HIGH Class Japan
- TV combination tuner (analog/digital), with code (863) Digital/analog TV tuner

Transmitting signals
^ Direct lines
^ CAN
^ Low voltage differential signal (LVDS) line

Direct lines
- LF line (stereo line) for audio out (analog) to audio tuner control unit, with code (810) Sound system

CAN
The audio/video controller control unit uses the telematics CAN. It communicates with the following components:
- RCP [HBF] control unit
- Left rear display
- Right rear display
- COMAND control unit, with code (526) COMAND with single DVD drive (without navigation), with code (527) COMAND APS with single DVD drive (with navigation) or with code (529) HIGH Class Japan

Design

Component Identification:

A DVD drive (single slot) is also integrated into the unit.

Function
DVD drive (single slot)
The DVD drive of the audio/video controller control unit is a single-slot drive. As well as DVD video and audio media, it can also play CD audio media and MP3 files. It can also play media protected by popular copy protection systems and recorded blanks (CD R/RW; DVD R/+R/RW).
The DVD drive has a "DVD Disk Auto Detect" function.

LVDS line
- Analog video signals to left rear display or right rear display
- Analog audio signals to left rear display or right rear display