Kenwood DNX7140 Installation Manual

The Kenwood DNX7140 is a premium in-dash navigation multimedia receiver featuring a 6.1-inch touchscreen display, built-in GPS navigation, DVD playback, Bluetooth connectivity, USB input, iPod/iPhone compatibility, HD Radio ready, satellite radio ready, and advanced audio controls. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation Preparation 3. Wiring Connections 4. Specifications 5. Controls and Settings 6. Connecting External Devices 7. Navigation Setup 8. Bluetooth Pairing 9. Maintenance & Care 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 6.1-inch WVGA touchscreen display, Built-in GPS navigation, DVD/CD player, Bluetooth wireless technology, USB port, iPod direct control, HD Radio capability.

FeatureDescription
Display6.1-inch WVGA TFT touchscreen (800 x 480)
NavigationBuilt-in GPS with preloaded maps
Audio SourcesDVD, CD, USB, iPod, Bluetooth audio
ConnectivityBluetooth, USB, AUX input, iPod direct
RadioAM/FM tuner with HD Radio ready
Video OutputRCA composite video output
Power Output50W x 4 channels (MOSFET power IC)
EQ Controls13-band equalizer with digital time alignment
Steering WheelCompatible with steering wheel control interfaces
Backup CameraReady for backup camera input

Installation Preparation

Gather all necessary tools and components before beginning installation.

  1. Disconnect negative battery terminal for safety.
  2. Remove factory radio using appropriate removal tools.
  3. Prepare mounting kit and wiring harness adapter.
  4. Test fit the unit in dashboard before final installation.
  5. Connect all wiring harnesses and antenna adapters.

WARNING! Always disconnect vehicle battery before installation to prevent electrical shorts or damage to vehicle systems.

Wiring Connections

Proper wiring is essential for optimal performance and safety.

  1. Connect power wires: Red (ACC) to ignition switch, Yellow (BATT) to constant power, Black (GND) to chassis ground.
  2. Connect speaker wires following color coding: White/White-black (Front L), Gray/Gray-black (Front R), Green/Green-black (Rear L), Purple/Purple-black (Rear R).
  3. Connect antenna adapter and GPS antenna.
  4. Connect optional devices: USB cable, iPod cable, backup camera, steering wheel control interface.
  5. Secure all connections with electrical tape or heat shrink tubing.

CAUTION! Ensure all connections are secure and insulated to prevent short circuits.

Specifications

Controls and Settings

Access all functions through touchscreen interface and physical buttons.

Physical Controls: POWER/VOLUME knob, SRC (source) button, EJECT button, hardware navigation buttons.

Touchscreen Menus: Source selection, Navigation, Audio settings, Phone, Setup. Audio Settings: 13-band equalizer, Loudness, Bass/Mid/Treble, Subwoofer level, Time alignment. System Settings: Display brightness, Beep tones, Language, Clock, Bluetooth settings. Navigation Settings: Route preferences, Map display, Voice guidance, Points of interest.

Connecting External Devices

Multiple options for connecting external audio/video sources.

  1. USB Connection: Connect USB device to USB port for music playback.
  2. iPod/iPhone: Use Kenwood KCA-iP202V cable for direct control and charging.
  3. Bluetooth: Pair compatible phones for hands-free calling and audio streaming.
  4. Backup Camera: Connect camera to camera input for reverse gear activation.
  5. AUX Input: 3.5mm auxiliary input for external audio devices.

Tip: Use genuine Kenwood accessories for optimal compatibility and performance.

Navigation Setup

Built-in Garmin navigation provides turn-by-turn directions.

  1. Initial Setup: Calibrate touchscreen and set home location during first use.
  2. Destination Entry: Use touch keyboard to enter addresses or search points of interest.
  3. Route Planning: Select fastest time, shortest distance, or avoid highways/tolls.
  4. Map Display: Adjust map orientation (North up or Heading up), zoom level, and detail.
  5. Voice Guidance: Enable/disable voice prompts and adjust volume.
  6. Traffic Information: Compatible with optional traffic receiver for real-time updates.
  7. Saved Locations: Store frequently visited destinations for quick access.
  8. Route Preview: Review planned route before beginning navigation.

WARNING! Do not operate navigation functions while driving. Pull over safely to enter destinations.

Bluetooth Pairing

Connect mobile phones for hands-free calling and audio streaming.

  1. Enable Bluetooth on your mobile phone and set to discoverable mode.
  2. Press PHONE button on unit or access Phone menu from source selection.
  3. Select "Pair New Device" and search for available devices.
  4. Select "KENWOOD" from your phone's Bluetooth device list.
  5. Enter PIN code "1234" when prompted (default code).
  6. Confirm pairing on both devices and set as trusted connection.
  7. Download phonebook if supported by your phone model.

Note: Some phone features may not be available depending on phone model and Bluetooth version.

Maintenance & Care

Proper maintenance ensures long-term performance and reliability.

Cleaning: Use soft, dry cloth for screen cleaning. For stubborn smudges, lightly dampen cloth with water. Avoid chemical cleaners, solvents, or abrasive materials. Storage: Keep unit dry and avoid extreme temperatures. When not in use for extended periods, store in original packaging. Disc Handling: Handle DVDs and CDs by edges only. Keep discs clean and free from scratches.

CAUTION! Do not use alcohol, benzene, or other chemical cleaners on touchscreen. Never insert foreign objects into disc slot or ports.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC Rules. Operation subject to conditions that device does not cause harmful interference. IC Compliance: Complies with Industry Canada license-exempt RSS standard(s). Bluetooth: Qualified Bluetooth® product. Garmin: Navigation software provided by Garmin. Copyright © Kenwood Corporation. For technical support, visit www.kenwood.com or contact 1-800-536-9663.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerWiring connectionsCheck battery and ignition connections; verify fuse condition.
No sound from speakersSpeaker wiringVerify speaker wire connections; check speaker impedance (4-8 ohms).
Bluetooth not connectingPairing issuesDelete old pairing; reset Bluetooth settings; ensure phone compatibility.
Navigation not workingGPS antennaEnsure GPS antenna has clear view of sky; check antenna connection.
Disc not readingDisc compatibility/damageCheck disc format compatibility; clean disc surface; try different disc.
Touchscreen not respondingCalibration/settingsRecalibrate touchscreen; check for screen protector interference.
USB device not recognizedFormat/compatibilityUse FAT32 formatted devices; check file format compatibility.

Reset: Press reset button with pointed object if unit becomes unresponsive.

Service: 1-800-536-9663; www.kenwood.com

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