GF82.60-P-5005LEU High Definition Tuner Control Unit, Component Description

GF82.60-P-5005LEU High Definition Tuner Control Unit, Component Description
- with CODE (517) HD radio

Component Identification:

Location
The high definition tuner control unit is installed in the rear left trunk.

Task
The high definition tuner control unit has the following tasks:
^ Reading in of signals
^ Demodulating and decoding signals
^ Transmitting signals

Reading in of signals
Signals are read in via the following connection:
^ Direct line

Direct line
The following signals are read in via a direct line:
- Electronic wake-up for Media Oriented System Transport (MOST)
- FM and weatherband signals from antenna structure in rear window via rear window antenna amplifier module (A2/12)
- S-band satellite and S-band terrestrial signals from SDAR antenna (A2/82)

Demodulating and decoding signals
The high definition tuner control unit demodulates and decodes the following signals:
- Analog AM and FM signals via integrated double tuner
- Digital AM and FM signals using integrated HD radio decoder chips
- S band satellite and S-band terrestrial signals

Transmitting signals
The signals are transmitted via the following connections:
^ Direct lines
^ MOST

Direct lines
The following signals are transmitted in via direct lines:
- Phantom voltage for rear window antenna amplifier module
- Phantom voltage for SDAR antenna

MOST
The following signals are transmitted via MOST:
- Audio signals to COMAND control unit (A40/3)
- Data signals (e.g. frequency, station names, artist) to COMAND control unit
- Traffic data signals to navigation unit integrated into the COMAND control unit