Overview - TV System

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The TV system (QU1/QV1) is a component of the "MMI Navigation plus" 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-.

Courtesy of AUDI OF AMERICA, LLC

TV Antenna 1 -R55- /TV Antenna 2 -R56- /TV Antenna 3 -R57- with Antenna Amplifiers
Front Information Display Control Head -J685-, display in center of the instrument panel
Multimedia System Control Head -E380- in the Center Console
Information Electronics Control Module 1 -J794- in the Glove Compartment
External Multimedia Device Connection in Rear Center Console Storage Compartment
Sound Systems
Instrument Cluster -KX2-, "Audi virtual cockpit"
Digital Sound System Control Module -J525- in luggage compartment on left rear side
MOST Bus
TV Tuner -R78- in luggage compartment on rear right side

Fault Finding is performed using the "Guided Fault Finding". Refer to 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 :VAS6223/9 .

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 .