Overview - TV System
The TV system (QV1/QU1) is part of the MMI Infotainment system.
The TV Tuner -R78- is connected via the MOST bus to the other Infotainment system components. It is operated using the Front Information Display Control Head -J685-. For pay TV (Q0A/Q0B), a TV Card Reader -R204- is installed in the luggage compartment on the left rear side.
- Front Information Display Control Head -J685- in center of the instrument panel
- Front Information Display Control Head 2 -J1060-, in the front center console
- DVD Player -R7- in glove compartment
- Information Electronics Control Module 1 -J794- behind the glove compartment
- TV Tuner -R78- in the right rear of the luggage compartment
- DVD Changer -R161- in the center of the rear seat backrest
- Digital Sound System Control Module -J525- in luggage compartment on left rear side
Fault Finding is performed using the "Guided Fault Finding" on the Vehicle Diagnostic Tester
Antenna Wires, Repairing. Refer to ANTENNA WIRES, REPAIRING .
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 surfaces of the connectors must not get dirty.
If disconnecting the connectors: Attach the Fiber-Optic Repair Set - Connector Protective Caps: VAS 6223/9 .
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.
Fiber-optic cable repair. Refer to FIBER-OPTIC CABLES, REPAIRING .