GL 320 BLUETEC (164.825) V6-3.0L DSL Turbo (642.820) (2009)
Task
The TV combination tuner (analog/digital) performs the following tasks:
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Receive signals
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Demodulating and decoding signals
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Transmitting signals
Receive signals
The signals are received via the following connections:
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Direct line
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Telematics CAN (CAN A) (with code (866) Rear entertainment preinstallation or code (864) Rear entertainment system)
^
Media Oriented System Transport (MOST)
Direct line
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Electronic wake-up for MOST via a direct line
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TV 1 antenna in right rear side window via a coaxial line from right antenna amplifier module (A2/65)
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TV 2 antenna in rear window via a coaxial line from TV rear window antenna amplifier (A2/92)
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TV 3 antenna in rear window via a coaxial line from TV rear window antenna amplifier
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TV 4 antenna in left rear side window via a coaxial line from left antenna amplifier module (A2/64)
Telematics CAN
(With code (866) Rear entertainment preinstallation or code (864) Rear entertainment system)
The TV combination tuner (analog/digital) is a subscriber of the
Telematics CAN and communicates with the following control units:
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Left rear display (A40/5)
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Right rear display (A40/6)
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DVD player (A40/4)
MOST
The TV combination tuner (analog/digital) is a subscriber of the MOST and communicates with the COMAND operating, display and controller unit
(A40/3).
Demodulating and decoding signals
The TV signals are evaluated internally and separated into video and audio signals.
As of 1.7.09 the TV combination tuner (analog/digital) supports the following functions:
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Electronic Program Guide:
Enables reception and display of information about the broadcast (e.g. title, time, duration of broadcast, encryption, program category, age
restriction, etc.).
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On vehicles with code (864) Rear entertainment system or code (866) Rear entertainment preinstallation, the left rear display and right rear display
can access the TV combination tuner (analog/digital) independently of each other.
Transmitting signals
The signals are transmitted via the following connections:
^
Direct line
^
Telematics CAN (with code (866) Rear entertainment preinstallation or code (864) Rear entertainment system)
^
MOST
Direct line
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Phantom voltage to the following amplifiers:
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Right antenna amplifier module
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TV rear window antenna amplifier
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Left antenna amplifier module
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Transmission of video signals via Y brightness (luminance)/C color information (chrominance) (Y/C) lines to COMAND operating, display and
controller unit
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Transmission of video signals via Y/C lines to DVD player (with code (866) Rear entertainment preinstallation or code (864) Rear entertainment
system)
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Transmission of audio signals via low-frequency (LF) lines to DVD player (with code (866) Rear entertainment preinstallation or code (864) Rear