Common Components (page 9 of 10)

ENTERTAINMENT AND INFORMATION SYSTEMS

86-8-32 DESCRIPTION AND OPERATION

Logic 7 
The Logic 7 audio system provides surround sound capabilities to the Range Rover audio system.

The system comprises:

l

Logic 7 amplifier

l

Auxiliary amplifier

l

Harmon Kardon replacement speakers

l

Two new speakers located in the upper tail gate

The Logic 7 amplifier drives the following speakers:

l

Right and left surround sound speakers

l

Right and left rear door low range speakers

l

Right and left rear door tweeters

l

The front centre fill speaker

The Logic 7 amplifier is located in the rear left hand corner of the luggage compartment. The auxiliary amplifier is 
mounted on the side of the sub-woofer. Audio from the radio, cassette and CD player is routed to the Logic 7 amplifier, 
which passes on the correct channels to the auxiliary amplifier and speakers.

The auxiliary amplifier drives the following speakers:

l

Right and left front low range

l

Right and left front mid range

l

Right and left front tweeters

l

The subwoofer

Logic 7 Harness Connector C2414 Pin Details

Logic 7 Harness Connector C2415 Pin Details

Pin No.

Description

Input/ output

1

Left rear (positive)

Output

2

Right rear (positive)

Output

3

Left front (positive)

Output

4

Right front (positive) 

Output

5

Left surround (positive)

Output

6

Rear surround (positive)

Output

7

Left rear (negative)

Output

8

Right rear (negative)

Output

9

Left front (negative)

Output

10

Right front (negative)

Output

11

Left surround (negative)

Output

12

Right surround (negative)

Output

Pin No.

Description

Input/ output

1

14.4 V 

Input

2

Ground

Input

3

Wake up signal

Input

4

Right front channel (positive)

Input

5

Left front channel (positive)

Input

6

Right rear channel (positive)

Input

7

Left rear channel (positive)

Input

8

Not connected

–

9

Centre fill 

Output

10

Speed input

Input

11

Sub woofer

Output

12

14.4 V

Input

13

Ground

Input