TV Tuner Control Unit, Component Description - GF82.60-P-3108FH
Model 238
Up To Model Year 2021
With Code 865 (digital TV)
Shown On Model 238.3
Location
The TV tuner control unit is located in the trunk recess on a bracket:
- In model 238.3, at the front end of the trunk recess
- In model 238.4, on the control unit carrier in the center of the trunk recess
Tasks
The TV tuner control unit has the following tasks:
- Receive signals
- Processing signals
- Transmitting signals
Receive signals
The TV tuner control unit receives signals via the following connections:
- Media Oriented System Transport (MOST)
- Direct lines
Media Oriented System Transport (MOST)
The TV tuner control unit is a MOST participant and communicates over this with the head unit (A26/17).
Direct lines
The TV tuner control unit receives the following signals via direct lines:
- Power supply via circuit 31 and circuit 30t
- Electronic wake-up for MOST from the head unit
- TV 1 antenna amplifier (A94/5), for TV-1 signals
- FM 2, DAB and TV (A2/108) antenna amplifier, for TV-2 signals
- TV 3 antenna amplifier (A94/7), for TV-3 signals
Processing signals
- The TV tuner control unit decodes and demodulates the TV signals and separates them into video and audio signals.
Transmitting signals
The TV tuner control unit sends signals via the following connections:
- MOST
- Direct lines
MOST
The TV tuner control unit is a MOST participant and communicates over this with the head unit. The TV tuner control unit transmits the video signals to the head unit. The TV tuner control unit transmits the audio signals to one of the following components:
- Sound system amplifier control unit (N40/3) (with code 810 (Sound system))
- Advanced sound system amplifier control unit (N40/7) (with CODE 811 (Advanced sound system))
- Head unit (except CODE 810 (Sound system) and except CODE 811 (Advanced Sound System))
Direct lines
The TV tuner control unit sends the following signals via direct line:
- Supply voltage to TV 1 antenna amplifier
- Supply voltage to FM 2, DAB and TV antenna amplifier
- Supply voltage to TV 3 antenna amplifier
Structure
In vehicles except code 498 (Japan version), the TV tuner control unit is equipped with a CI+ (Common Interface Plus) slot, into which a CI+ module is inserted. The CI+ slot is equipped with a cover.
| Wiring diagram for TV tuner | PE82.60-P-2220-97DCA |