GF82.85-P-3134TJA COMAND Operating, Display and Controller Unit, Component Description

GF82.85-P-3134TJA COMAND operating, display and controller unit, component description
- with CODE (527) COMAND APS with single DVD drive (with navigation)
- with CODE (498) Japan version

Component Identification:

Location
The COMAND operating, display and controller unit is installed in the center console.

Task
The COMAND operating, display and controller unit has the following tasks:
^ Central control and display device for entertainment and communications systems integrated into vehicle
^ Reads in the controls and input signals
^ Evaluating input factors
^ Actuates output media

Central control and display device for entertainment and communications systems integrated into vehicle
The COMAND operating, display and controller unit provides a structured and uniform user surface to the user.

Reads in the controls and input signals
The input factors are read in via the following connections:
^ Direct line
^ Controller Area Network (bus/CAN bus)
^ Media Oriented System Transport (MOST)

Discrete lines
The COMAND operating, display and controller unit has the following direct connections:
- Circuit 30
- Circuit 31
- Wake-up for MOST (bidirectional)
- Bluetooth antenna (A2/91)
- Left antenna amplifier module (A2/64)
- Amplifier module 1, window antenna (A2/71) (model 211.2 only)
- TV input (digital), with code 865 TV tuner
- Microphone SBS (B25/7)
- Communication control unit (N123/6)
- AUX audio input (access in glove compartment), except code 518 Media interface

Data bus/CAN bus
- The COMAND operating, display and controller unit is a subscriber of the class B Controller Area Network Bus (interior) (CAN-B)

MOST
Control and audio signals from the following control units:
- Amplifier for sound system (N40/3), with code 810 Sound system
- Media interface control unit (N125/1), with code 518 Media interface
- TV digital tuner (A90/3), with code 865 TV tuner

Evaluation of input factors
The input values are processed by the COMAND operating, display and controller unit.

Actuates output media
The following direct output signals are possible:
- Audio OUT (speakers), except code 810 Sound system
- Switching voltage for communications control unit (12 V)
- Phantom feed, roof antenna (A2/49)
- Phantom feed, left antenna amplifier module
- Phantom feed, amplifier module 1, window antenna (model 211.2 only)

Component Identification:

The COMAND operating, display and controller unit consists of the following components:
- Control panels for controlling the audio, navigation and telematics functions
- DVD drive
- Display

In addition, the following components are integrated into the COMAND operating, display and controller unit:
- Central computer
- Hard disk
- Navigation processor
- Audio amplifier, except code 810 Sound system
- Voice control