Component Description For Digital Audio Broadcasting Control Unit - GF82.62-P-5000RD
Model 172.4
up to model year 2017
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
Shown on control unit carrier model 172.4
Fig 1: Digital Audio Broadcasting Control Unit Components Location - Model 172.4 Up To Model Year 2017 With Code 537 (Shown On Control Unit Carrier)
Location
The Digital Audio Broadcasting control unit is located in the luggage compartment at the rear panel.
Tasks
The Digital Audio Broadcasting control unit has the following tasks:
- Receive signals
- Decoding of signals
- Transmitting signals
Receive signals
The Digital Audio Broadcasting control unit receives signals over the following connections:
- Direct lines
- Media Oriented System Transport (MOST)
Direct lines
- Circuit 30g
- Circuit 31
- Wake-up (for MOST)
- DAB band III signals (digital radio) via a coaxial cable from the windshield antenna (A2/118) via the FM 2, DAB and TV antenna amplifier (A2/19)
Media Oriented System Transport (MOST)
- FM signals from audio equipment (for optimum reception-dependent switchover of DAB to FM)
- Control signal from audio equipment
Decoding of signals
The Digital Audio Broadcasting control unit decodes the DAB band III signals into PCM (pulse code modulation) signals.
Transmitting signals
The Digital Audio Broadcasting control unit transmits the following signals via MOST:
- DAB status
- Station lists
- Audio signals
| Wiring diagram for Digital Audio Broadcasting control unit system (DAB) | N87/3 | PE82.60-P-2302-97TAA |