Land Rover Discovery Owners & Service Manuals

Land Rover Discovery: Speakers / Description / Operation

Description

INCONTROL TOUCH 6 SPEAKER SYSTEM

The system comprises 6 speakers:

  • 2 tweeters, aluminium dome, 25mm, 4 Ohm, 50W maximum
  • 4 bass, paper cone, rubber edge, 165mm, 2 Ohm, 100W maximum.

INCONTROL TOUCH 10 SPEAKER SYSTEM

The system comprises 10 speakers:

  • 4 tweeters, aluminium dome, 25mm, 4 Ohm, 50W maximum
  • 4 bass, paper cone, rubber edge, 165mm, 2 Ohm, 100W maximum
  • 2 mid-range, Glass Fibre, Poly Resin cone, rubber edge, 2 Ohm, 100W maximum

INCONTROL TOUCH 11 SPEAKER SYSTEM

The system comprises 11 speakers:

  • 4 tweeters, aluminium dome, 25mm, 4 Ohm, 50W maximum
  • 4 bass, paper cone, rubber edge, 165mm, 2 Ohm, 100W maximum
  • 2 mid-range, Glass Fibre, Poly Resin cone, rubber edge, 2 Ohm, 100W maximum
  • Sub-woofer, paper cone, rubber edge, 250mm, 2 x 2 Ohm, 2 x 100W max

INCONTROL TOUCH PLUS SYSTEM

The system comprises 11 speakers:

  • 4 tweeters, aluminium dome, 25mm, 4 Ohm, 50W maximum
  • 4 bass, paper cone, rubber edge, 165mm, 2 Ohm, 100W maximum
  • 2 mid-range, Glass Fibre, Poly Resin cone, rubber edge, 2 Ohm, 100W maximum
  • Sub-woofer, paper cone, rubber edge, 250mm, 2 x 2 Ohm, 2 x 100W max

INCONTROL TOUCH PLUS WITH MERIDIAN SURROUND SYSTEM

The system comprises 17 speakers:

  • 4 tweeters, aluminium dome, 25mm, 4 Ohm, 50W maximum
  • 4 bass, paper cone, rubber edge, 165mm, 2 Ohm, 100W maximum
  • 2 mid-range, Glass Fibre, Poly Resin cone, rubber edge, 2 Ohm, 100W maximum
  • 3 co-axial (contains 1 tweeter and 1 mid-range per speaker), tweeter aluminum cone, mid-range Poly Resin cone, rubber edge, 2 Ohm, 100W maximum
  • Sub-woofer, paper cone, rubber edge, 250mm, 2 x 2 Ohm, 2 x 100W max

SUB-WOOFER

The dual voice coil sub-woofer speaker is located in the rear right side of the luggage compartment. A single 4 pin connector, connects the subwoofer to the vehicle wiring harness. The low-frequency bass sound from the sub-woofer complements the higher frequency sounds from the other system speakers.

The sub-woofer is powered by the AAM.

Operation

INCONTROL TOUCH 6 SPEAKER SYSTEM

The InControl System uses an Audio Head Unit (AHU) which contains an integral audio amplifier. The speakers are connected directly to the AHU for this system.

Audio signal originate from the AHU and are passed to the vehicle speakers via hardwired connections. Audio signals can also be generated by other vehicle systems which are passed to the AHU on the Medium speed Controller Area Network (CAN) comfort systems bus. The AHU processes the signals and passes the audio output to the speakers.

The AHU receives a fused power supply from the Battery Junction Box (BJB), via the Quiescent Current Control Module (QCCM).

INCONTROL TOUCH 10 AND 11 SPEAKER SYSTEMS

The InControl Touch 10 speaker and InControl Touch 11 speaker systems use an external Audio Amplifier Module (AAM). The speakers for these systems are connected directly to the AAM.

Audio signals originate from the AHU and are passed to the AAM via a medium speed CAN infotainment bus system. The speakers are connected directly to the AAM.

Audio signals can also be generated by other vehicle systems. The AHU processes the signals and passes the output to the AAM via the medium speed CAN infotainment systems bus and hardwired connections.

The AHU receives a fused power supply from the BJB, via the QCCM. The AAM receives a permanent fused power supply from the Rear Junction Box (RJB).

INCONTROL TOUCH PLUS SYSTEM AND INCONTROL TOUCH PLUS WITH MERIDIAN SURROUND SYSTEMS

The InControl Touch Plus System and the InControl Touch Plus with Meridian Surround Systems use an external Audio Amplifier Module (AAM). The speakers for these systems are connected directly to the AAM.

Audio signals originate from the IAM and are passed to the AAM on the Media Oriented System Transport (MOST) ring. Audio signals processed by other infotainment systems are passed to the AAM on the MOST.

Audio signals from systems not on the MOST ring, are passed to the AAM via the Gateway Module (GWM) on the medium speed CAN comfort systems bus to the Touch screen (TS). The TS then processes the signals and passes them to the AAM on the MOST ring.

The Integrated Audio Module (IAM) receives a fused power supply from the BJB via the QCCM. The AAM receives a permanent fused power supply from the BJB and RJB and a second power supply from the QCCM.

Speakers / Control diagram

CONTROL DIAGRAM - INCONTROL TOUCH 6 SPEAKER SYSTEM

NOTE:

A = Hardwired; AP = Medium speed CAN comfort systems bus

CONTROL DIAGRAM - INCONTROL TOUCH 6 SPEAKER SYSTEM

  1. Audio Head Unit (AHU)
  2. Audio inputs from other vehicle systems
  3. Tweeter speaker (2 off)
  4. Bass speaker (4 off)
  5. Ground
  6. Fused power supply from Battery Junction Box (BJB) and Quiescent Current Control Module (QCCM)

CONTROL DIAGRAM - INCONTROL TOUCH 10 SPEAKER SYSTEM

NOTE:

A = Hardwired; AP = Medium speed CAN comfort systems bus

CONTROL DIAGRAM - INCONTROL TOUCH 10 SPEAKER SYSTEM

  1. Audio Amplifier Module (AAM)
  2. Audio Head Unit (AHU)
  3. Tweeter speaker (4 off)
  4. Bass speaker (4 off)
  5. Mid-range speaker (2 off)
  6. Ground
  7. Fused power supply from Battery Junction Box (BJB) and Quiescent Current Control Module (QCCM

CONTROL DIAGRAM - INCONTROL TOUCH 11 SPEAKER SYSTEM

NOTE:

A = Hardwired; AP = Medium speed CAN comfort systems bus

CONTROL DIAGRAM - INCONTROL TOUCH 11 SPEAKER SYSTEM

  1. Audio Amplifier Module (AAM)
  2. Audio Head Unit (AHU)
  3. Sub-woofer speaker
  4. Tweeter speaker (4 off)
  5. Bass speaker (4 off)
  6. Mid-range speaker (2 off)
  7. Ground
  8. Fused power supply from Battery Junction Box (BJB) and Quiescent Current Control Module (QCCM)

CONTROL DIAGRAM - INCONTROL TOUCH PLUS AND INCONTROL TOUCH PLUS WITH MERIDIAN SURROUND SYSTEMS

NOTE:

A = Hardwired; P = MOST bus

CONTROL DIAGRAM - INCONTROL TOUCH PLUS AND INCONTROL TOUCH PLUS WITH MERIDIAN SURROUND SYSTEMS

  1. Audio Amplifier Module (AAM)
  2. Touch Screen (TS)
  3. Integrated Audio Module (IAM)
  4. Sub-woofer speaker
  5. Co-axial speaker (3 off Meridian Surround system only)
  6. Mid-range speaker (2 off)
  7. Bass speaker (4 off)
  8. Tweeter speaker (4 off)
  9. Ground
  10. Fused power supply via the BJB and the RJB and a second power supply from the QCCM.

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