Radio (CD Changer): Description and Operation

Radio

CD - changer

Function

PIN

PIN

        C           Voltage supply, radio

1

Ground, anti - theft warning system

2

Ignition lock, terminal 15

3

Illumination, terminal 58

4

4

Terminal 31, ground

5

Odometer signal

6

Radio mute function, telephone

7

6

Control lead, terminal AA

8

5

Terminal 30, battery

        B           Loudspeaker outputs, radio

9

Loudspeaker, rear right

10

Loudspeaker, front right

11

Loudspeaker, front left

12

Loudspeaker, rear left

13

Loudspeaker, rear right

14

Loudspeaker, front right

15

Loudspeaker, front left

16

Loudspeaker, rear left

        A           Control connection, CD and external display (TID / MID)

17

Display data lead SCL

18

Display data lead MRQ

19

Unoccupied

20

2

CD audio ground

21

3

CD audio, right

22

Display data lead SDA

23

8

Display data lead ground

24

9

CD data lead (+)

25

7

CD data lead

26

1

CD audio, left

The CD changer converts the digital signals into analog signals. It is connected to the radio by a wiring harness.

The radio is pushed into the 3 - part radio connection plug (26 - pin).

The 9 - pin CD changer wiring harness plug.

Function description:

I      Inserting CDs:

-      Insert CDs (8) singly into magazine (3),

       max. 6 CDs, check through viewer (4).

-      Insert magazine in CD changer (1) and close lid (2).

II     Use:

       The radio is switched to CD operation and back again via the CD key.

       CDs are selected via the radio station key.

       Press the search key (forwards or backwards) to select a track

       Press the CD key for an extended period   (at least 3 sec. ) to activate the random mode (selection of titles on a random basis).