Discovery 2. Manual — part 336

IN CAR ENTERTAINMENT

DESCRIPTION AND OPERATION

86-6-5

Radio cassette player connector pin details.

Connector/Pin

No.

Description

Input/Output

C0092

1

Rear RH speaker line

Output +

2

Rear RH speaker line

Output -

3

Front RH speaker line

Output +

4

Front RH speaker line

Output -

5

Front LH speaker line

Output +

6

Front LH speaker line

Output -

7

Rear LH speaker line

Output +

8

Rear LH speaker line

Output -

C0098

1

Telephone mute

Input

2

Steering wheel remote radio controls

Input

3

Steering wheel remote radio controls

Output

4

Permanent battery feed

Input

5

System enable

Output

6

Illumination

Input

7

Auxilary feed

Input

8

Earth

Input

C0921 (high line systems)

1

Radio headphone left channel

Output +

2

Radio headphone right channel

Output +

3

Telephone audio

Input +

4

Radio headphone left channel

Output -

5

Radio headphone right channel

Output -

6

Telephone audio

Input -

IN CAR ENTERTAINMENT

86-6-6

DESCRIPTION AND OPERATION

Midline system radio cassette
The midline radio cassette is located in the center of the fascia and contains the radio and tape player, four clips
(accessible through holes in the front of the unit) secure the unit. To remove the radio cassette unit the four clips
must be released with a special tool. The midline system can be controlled from the fascia mounted radio cassette,
or from remote radio control switches on the left hand side of the steering wheel. The audio signal can be from the
radio, cassette player or a optional CD-autochanger. A logic control circuit in the radio cassette player controls the
operation in the various control modes.

The radio cassette has a display screen, information shown can include current status, station (radio mode) or
cassette tape track or (optional) CD-autochanger track/disc status. Power for illumination on the radio cassette is
supplied from the passenger compartment fusebox. A main fuse is also located in the connector socket area on the
back of the radio cassette.

Security code function
A combination of buttons on the radio cassette are used to input and change security codes. Security codes make the
unit unusable if the unit is disconnected from the vehicle without deactivating the security code. The radio cassette
has an internal memory chip that stores the information, if the power is removed from the unit the chip will activate the
security code feature. For this reason the security code feature must be deactivated before the unit is removed or the
vehicles battery is disconnected.

Audio functions
A rotary knob allows changes of levels or selections during the various modes of operation, this includes volume,
bass, treble and fader.

Cassette functions
The radio cassette has buttons for the following cassette functions eject, tape, reverse, forward, tape eject/reversal.

Radio functions
The radio cassette has buttons for the selection of AM or FM reception. Selection of the radio station is controlled by
the use of the multi-function buttons on the radio cassette player, the radio headphone amplifiers or the remote radio
controls on the steering wheel.

Traffic information and news function
A traffic information button (TA/NEWS) allows traffic or news information to be selected on the FM waveband only, in
this mode the audio output will mute when traffic or news messages are received. After the traffic or news message
the radio, cassette tape or CD will resume play, the traffic and news information varies with the country of use and
radio band selected.

C0922 (high line systems)

7

Radio headphone active

Input

8

I-BUS communications

Input/Output

9

Audio amplifier spatial imaging enable

Output

10

Radio headphone LH remote control

Input

11

Radio headphone RH remote control

Input

12

Headphone remote controls feed

Output

C1354 (high line systems)

13

CD-autochanger audio left channel

Input +

14

CD-autochanger audio right channel

Input +

15

CD-autochanger audio earth

Output

16

CD-autochanger audio left channel

Input -

17

CD-autochanger audio right channel

Input -

18

Not Used

19

CD-autochanger I-BUS communications link

Input/Output

20

CD-autochanger permanent feed

Output

IN CAR ENTERTAINMENT

DESCRIPTION AND OPERATION

86-6-7

Multi function buttons
Rotary controls are located on the front of the radio cassette for adjustment of bass, treble etc, depending on current
mode selected. Operation of presets 1-6 depends on current mode of operation and allows selection of radio band
(Radio mode on) or CD-autochanger disc (in the CD mode). Scan (Mode dependent) manual or automatic selection
of band or track. RND random play, MODE/MUTE (mode dependent) when pressed the button allows manual
operation or alternate mode selections such as manual tuning, compact disk cue/review, tape forward/rewind modes.

Internal memory
An internal memory chip stores the station presets and security code, power is supplied internally to the chip via a
permanent power feed, supplied from the passenger compartment fuse box.

High line system radio cassette
The high line radio cassette is located in the center of the fascia and contains the radio and tape player. Two clips
(accessible through slots in the front of the unit) secure the unit. To remove the radio cassette unit the two clips must
be released with a special tool. The high line system can be controlled from the fascia mounted radio cassette, or from
remote radio control switches on the left hand side of the steering wheel. In vehicles fitted with radio headphone
amplifiers, the rear seat passengers can control their individual audio output using a headphone amplifier control
panel. The audio signal can be from the radio, cassette player or a CD-autochanger. A logic control circuit in the radio
cassette player controls the operation in the various control modes.

The radio cassette has a display screen, information shown includes current status, station (Radio mode) , CD-
autochanger track/disc status or status of headphone amplifier. Power for illumination on the radio cassette is supplied
from the passenger compartment fusebox. A main fuse is also located in the connector socket area on the back of
the radio cassette. When the radio cassette switch is on, power is made available via internal circuits to the radio
headphone amplifiers.

Security code function
A combination of buttons on the radio cassette are used to input and change security codes. Security codes make the
unit unusable if the unit is disconnected from the vehicle without deactivating the security code. The radio cassette
has an internal memory chip that stores the information, if the power is removed from the unit the chip will activate the
security code feature. For this reason the security code feature must be deactivated before the unit is removed or the
vehicles battery is disconnected.

Audio functions
A rotary knob allows changes of levels or selections during the various modes of operation, this includes volume,
bass, treble, fader and spatial on/off.

Cassette functions
The radio cassette has buttons for the following cassette functions; eject, fast forward, rewind and dolby. The dolby
symbol is shown on the dot matrix display screen if dolby mode is selected.

Radio functions
The radio cassette has buttons for the selection of AM or FM reception. Selection of the radio station is controlled by
the use of the multi-function buttons on the radio cassette player, the radio headphone amplifiers or the remote radio
controls on the steering wheel.

CD-autochanger functions
The CD button on the radio cassette player allows selection of the CD-autochanger. CD disc and track selection is
controlled by the use of the multi-function buttons on the radio cassette player, the radio headphone amplifiers or the
remote radio controls on the steering wheel.

Traffic information function
A traffic/news information button (I) allows traffic or news information to be selected on the FM waveband only, in this
mode the radio will mute when traffic or news messages are received. After the traffic or news message the radio,
cassette tape or CD will resume play, the traffic and news information varies with the country of use and radio band
selected.

IN CAR ENTERTAINMENT

86-6-8

DESCRIPTION AND OPERATION

Multi function buttons
The music symbol button is used for mode selection for adjustment of bass, treble etc. depending on current mode
selected. Operation of presets 1-6 depends on current mode of operation and allows selection of radio band (Radio
mode on) or CD-autochanger disc (in the CD mode). Search/Seek (Mode dependent) manual or automatic selection
of band or track. MAN (mode dependent) when pressed the button allows manual operation or alternate mode
selections such as manual tuning, compact disk cue/review, tape forward/rewind modes. The mode dependent SCAN
button allows automatic searching of radio bands, tape or compact disk tracks.

Internal memory
An internal memory chip stores the station presets and security code, power is supplied internally to the chip via a
permanent power feed, supplied from the passenger compartment fuse box.

Radio cassette player connector pin details.

Connector/Pin

No.

Description

Input/Output

C0092

1

Rear RH speaker line

Output +

2

Rear RH speaker line

Output -

3

Front RH speaker line

Output +

4

Front RH speaker line

Output -

5

Front LH speaker line

Output +

6

Front LH speaker line

Output -

7

Rear LH speaker line

Output +

8

Rear LH speaker line

Output -