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Home >> Audi >> 2003 >> A8 Quattro >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Radio, Telephone, Navigation, Trip Computer >> Radio system >> Radio system, layouts and terminal assignments through m.y. 1999, >> Multi-pin connectors I, II, III, IV (on back of radio), terminal assignments >> 20-pin connector I

20-pin connector I

NOTE: The following list refers to items in Fig 1 .
  1. 1 - Speaker line out (active speaker), left-rear
  2. 2 - Speaker line out (active speaker), right-rear
  3. 3 - Ground (GND) for active speaker (low frequency Ground)
  4. 4 - Speaker line out (active speaker), left-front
  5. 5 - Speaker line out (active speaker), right-front
  6. 6 - Switched positive supply (B+) for active speaker
  7. 8 - Clock signal for radio frequency display in instrument cluster
  8. 9 - Data signal for radio frequency display in instrument cluster
  9. 10 - Enable signal for radio frequency display in instrument cluster
  10. 13 - Data in signal for CD changer display in instrument cluster
  11. 14 - Data out signal for CD changer display in instrument cluster
  12. 15 - Clock signal for CD changer display in instrument cluster
  13. 16 - Power supply (B+)
  14. 17 - Switched positive supply (B+) for CD changer
  15. 18 - Ground (GND) for CD changer
  16. 19 - Signal wire left channel (CD low frequency-L)
  17. 20 - Signal wire right channel (CD low frequency-R)
Fig 1: Identifying 20-Pin Connector I Terminals - Concert & Concert-BOSE Radio (m.y. 1998-1999)
G02728815Courtesy of AUDI OF AMERICA, INC.