Overview - TV System

The TV system (QU1) is part of the MMI Infotainment system.

TV Tuner -R78- is connected via the MOST-Bus to the other components of the Infotainment system. Operation is performed via the Multimedia System Control Head -E380-.

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1. Roof Antenna -R216-
2. Instrument Cluster Control Module -J285-, Display
3. Rear Window Antenna/Windshield Antenna
4. Bumper Antennas
5. Information Electronics Control Module 1 -J794- in the Glove Compartment
6. Multimedia System Control Head -E380- in the Center Console
7. Sound Systems
8. MOST Bus
9. Digital Sound System Control Module -J525- under the Left Front Seat
10. TV Tuner -R78- in luggage compartment on rear right side
11. Microphone Unit in Front Roof Module - R164- in the Front Interior Lamp -W1-
12. External Audio Source Connection -R199- in the Center Console Storage Compartment

Fault Finding is performed using the "Guided Fault Finding"  on the Vehicle Diagnostic Tester

Repairing Antenna Wires. Refer to GENERAL REPAIR INFORMATION .

Notes on MOST bus

The optical Data Bus "MOST bus" is used in addition to the CAN bus.

A fiber-optic cable is used. Fiber-optic cables are routed inside corrugated tubes for protection.

Replace the complete fiber-optic cable if possible.

The front surface of the connectors must not be contaminated.

If disconnecting the connectors: Attach the Fiber-Optic Repair Set - Connector Protective Caps: VAS 6223/9  .

Fig 1: Fiber-Optic Conductor Repair Set VAS 6223A

Courtesy of AUDI OF AMERICA, LLC

When routing fiber-optic cables, make sure not to go below the minimum bending radius of 25 mm. Do not crush or kink the fiber-optic cables.

Repairing fiber-optic cables. Refer to GENERAL REPAIR INFORMATION .