TV Tuner -R78- Connector Assignment, Hybrid

TV TUNER R78 

Fig 1: Connector End View, TV Tuner -R78- (HYBRID)

Courtesy of AUDI OF AMERICA, LLC

COUPE 

1. TV1/TV2 Connection from Antenna Amplifier 3 -R112-
2. TV3 Connection from Antenna Amplifier 2 -R111-
3. 20-Pin Connector (T20c)
4. MOST Bus
5. FBAS output to the Front Information Display Control Head Control Module -J523- /Rearview Camera System Control Module -J772- /Information Electronics Control Module 1 -J794-

SPORTBACK 

1. TV1/TV2 connection from Antenna Amplifier -R24- /Antenna Amplifier 3 -R112-
2. TV3 connection from Antenna Amplifier 4 -R113-
3. 20-Pin Connector (T20c)
4. MOST Bus
5. FBAS output to the Front Information Display Control Head Control Module -J523- /Rearview Camera System Control Module -J772- /Information Electronics Control Module 1 -J794-

3 - 20-Pin Connector (T20c) 

Fig 2: 20-Pin Connector -T20b-

Courtesy of AUDI OF AMERICA, LLC

1. Terminal 30
2. Terminal 31
3. Ring-break Diagnostic Cable
4. Ground Shielding
5. Video OUT (Rear Seat Entertainment)
6. Ground Shielding
7. Audio OUT L (Rear Seat Entertainment)
8. Audio out R (Rear Seat Entertainment
9. Ground Shielding
10. Audio IN L
11. Audio IN R
12. Video IN
13. Ground Shielding
14. Ground Shielding
15. Ground Shielding
16. Audio IN L
17. Audio IN R
18. Video IN
19. Ground Shielding
20. I/D PIN

4 - MOST Bus 

Fig 3: 2 - MOST Bus

Courtesy of AUDI OF AMERICA, LLC

1. Input
2. Output