Audi Workshop Service and Repair Manuals > A4 Mk3 > Vehicle electrics | Communication | Infotainment | Connection for external audio sourcesR199 | Connectors on connection for external audio sourcesR199 (interface)

Connectors on connection for external audio sourcesR199 (interface)

Connectors on connection for external audio sources -R199- (interface)

Note

Contacts which are not listed are not used.

Multi-pin connector, 30-pin (T30b)

All pins are connected to the control unit 1 for information electronics -J794-.

1 -	NF in, left-side (low frequency)

2 -	NF in, right-side (low frequency)

3 -	Low frequency earth

4 -	NF in, screen earth (low frequency)

13 -

iPod data

14 -

iPod data

16 -	iPod detected

17 -

D (+)

18 -

D (–)

21 -

Detect

22 -

Earth

24 -	FBAS wire (–)

25 -	USB (earth)

27 -	FBAS wire (+)

28 -

USB (+5V)

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