SL 500 (230.475) V8-5.0L (113.963) (2004)
Signal Processing Module: Description and Operation
GF82.62-P-5000RI Digital Audio Broadcasting Control Unit, Component Description
GF82.62-P-5000RI Digital Audio Broadcasting Control Unit, Component Description
- with CODE (537) Digital radio
- with CODE (833) Great Britain version
Component Identification
Location
The Digital Audio Broadcasting control unit is located in the luggage compartment at the left under the trunk paneling.
Depending on equipment installed, one of the following audio devices is installed:
-
COMAND operating, display and controller unit (A40/3), with code (528) COMAND with DVD changer
-
COMAND operating, display and controller unit, with code (512) COMAND APS with DVD changer
Task
^
Receiving signals
^
Decoding of signals
^
Transmitting signals
Receiving signals
Discrete lines
-
Power supply via circuit 31 and circuit 30g over one direct line each
-
Electronic wake-up for Media Oriented System Transport (MOST) via one direct line
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DAB L-band signals via a coaxial line from the DAB L-band antenna (A95/1)
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Band III signals via a coaxial line from the left antenna amplifier module (A2/64)
Decoding of signals
The Digital Audio Broadcasting control unit decodes the DAB L- band signals and band III signals to obtain pulse code modulation (PCM) signals.
Transmitting signals
MOST
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PCM signals:
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Audio signals to sound system amplifier (N40/3), with code (810) Sound system
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Audio signals to the COMAND operating, display and controller unit, except code (810) Sound system
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DAB status and station list to the COMAND operating, display and controller unit