TV-Mode, Function - GF82.85-P-2011RRM
Model 190 as of 12/1/18
as of model year 2019 With Code 865 (digital TV)
Shown On Model 190.3
Function requirement TV mode, general
- Circuit 30g ON
- Transport mode not active
- With code 16U (CarPlay smartphone integration) or with code 17U (Google Automotive Link smartphone integration): No smartphone via Android Auto or CarPlay connected
TV mode general
The TV tuner control unit makes it possible to receive digital TV channels in the vehicle and show them on the Audio/COMAND display. The head until switches the TV picture off when the vehicle starts to move. When the vehicle is moving, only acoustic playback remains active and - for safety reasons - a warming is shown on the Audio/COMAND display. The head until receives the speed signal from the intrument cluster via the user interface CAN.
If the head unit is not switched on it can be activated via the volume adjustment switch and the head unit on switch in the right lower control panel The volume can also be adjusted via the volume adjustment switch and the head unit on
Steering wheel electronics →
Steering wheel CAN →
Steering column tube module control unit →
AMG FlexRay →
AMG gateway control unit →
User interface CAN →
Head unit
The TV functions can be selected, activated and adjusted using the Audio/COMAND controller of the Audio/COMAND control panel (except code 446 (Touchpad only)). The "Back" button supports navigation in the menus. The Audio/COMAND control panel sends the control signals via the telematics CAN to the head unit.
The TV functions can be operated using the touchpad (with code 446 (Touchpad only) or with code 531 (COMAND APS)). The touchpad sends the control signals via the telematics CAN to the head unit.
switch in the right lower control panel. The right lower control panel sends the signals via the following route:
Drive Unit CAN →
Drive Unit control unit →
Audio LIN→
Audio/COMAND control panel (except code 446 (Touchpad only)) or Touchpad (with code 446 (Touchpad only)) →
Telematics CAN
Head unit
The TV functions can be selected, activated and set with the controls of the head unit multifunction steering wheel button group. The volume can be changed using the head unit multifunction steering wheel button group's volume adjustment switch. The control signals are transmitted as follows:
The TV media source can also be selected via the instrument cluster.
The TV tuner control unit separates the video and audio signals that are contained in the TV signals. The TV mode is therefore comprised as follows:
- Function sequence for reception of TV signals
- Function sequence for output of video signals
- Function sequence for output of audio signals
- Additional information (With Code 498 (Japan version))
- Additional information (Except Code 498 (Japan version))
Function sequence for reception of TV signals
The TV-1 signal is received via the following route:
- Rear window antenna (model 190.3) or windshield antenna (model 190.4)→
- TV 1 antenna amplifier →
- TV tuner control unit
The TV-2 signal is received over the following path:
- Windshield antenna →
- FM 2 and DAB Band III antenna amplifier→
- TV tuner control unit
The TV-3 signal is received over the following path:
- Rear window antenna (model 190.3) or windshield antenna (model 190.4)→
- TV 3 antenna amplifier →
- TV tuner control unit
The TV tuner control unit processes the TV signals and separates the video signals from the audio signals.
Function sequence for output of video signals
The TV tuner control unit transmits the video signals via the following route: MOST → Head unit → HSVL → Audio/COMAND display
Function sequence for output of audio signals
The TV tuner control unit transfers the audio signals to the head unit via MOST; the head unit forwards the audio signals to the following components via MOST:
- Midline sound system amplifier control unit (except code 810 (Sound system) and except code 811 (Advanced Sound System))
- Sound system amplifier control unit (with code 810 (Sound system))
- Advanced Sound System amplifier control unit (with CODE 811 (Advanced Sound System))
Additional information (With Code 498 (Japan version))
The supplemental information is subdivided into the following categories:
- TV reception
- Additional functions
TV reception
With digital TV reception the "one-segment" substandard (TV standard for mobile telephony) is also supported in addition to the "full-segment" substandard.
Additional functions
The TV tuner control unit has the following functionalities:
- Digital image storage
- Last settings
- "BML" (Broadcast Markup Language) function: The TV tuner control supports video text for all available Japanese TV stations. This enables information to be shown similar to a small website on weather, news, etc. By selecting a region in the setting list you can obtain region-specific information.
- "EPG" (Electronic Program Guide) function: The Electronic Program Guide shows information such as start and end of broadcasts and detailed information on the television programs for each TV station.
- Bilingual function: Two languages are supported depending on station availability, e.g. Japanese on the main-sound track and English on the sub-sound track.
Additional information (Except Code 498 (Japan version))
The supplemental information is subdivided into the following categories:
- TV reception
- Additional functions
TV reception
Only digital television in accordance with the standard Digital Video Broadcasting-Terrestrial (DVB-T/DTV-T2) in the range of 470 to 710 MHz is received. In addition to the video compression standard Mpeg 2, Mpeg 4 and Mpeg H (+H.265) is also supported. Encrypted programs can be received with a CI+ (Common Interface Plus) module.
Additional functions
New services will be offered in the frequency ranges from 90 to 108 MHz and 170 to 222 MHz in future that can be supported by the TV tuner control unit.
The TV tuner control unit currently has the following functionalities:
- Video text (pages: 100 to 899)
- Station list of channels currently receivable
- Last settings
- National settings
- Info (information on currently selected stations)
Video text function: Some stations, primarily in central Europe, offer video text in addition to their television program. To this end, the TV tuner control unit is equipped with a separate video text decoder. Only video text broadcast with Latin ASCII characters are supported, i.e. Greek or Cyrillic characters are not supported.
| Electrical function diagram for TV mode, function | PE82.85-P-2065-97HBA | ||
| Overview of system components, telematics | GF82.85-P-9999RR |