JVC KW-AVX748 DVD Receiver with Bluetooth User Manual

Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your JVC KW-AVX748 DVD Receiver with Bluetooth. Please read this manual thoroughly before using the unit to ensure proper and safe operation. Keep this manual for future reference.

Image: The JVC KW-AVX748 Double-DIN 6.1" DVD/USB Receiver unit shown with its included remote control. The receiver features a touchscreen display showing an AV Menu with options for Tuner, Disc, USB, iPod, Bluetooth, AV-IN, Front AUX, Display, AV, Camera, and AV Off. The remote control has various buttons for navigation, volume, source selection, and phone functions.

Important Safety Information

• Do not operate the unit while driving. Distraction can lead to accidents.
• Ensure proper wiring and installation to prevent short circuits or damage.
• Do not disassemble or modify the unit. This may cause electric shock or other hazards.
• Keep the volume at a level that allows you to hear outside sounds.
• Consult a professional for installation if you are unsure about the process.

Setup and Installation

Package Contents

Before beginning installation, verify that all components are present:

• JVC KW-AVX748 Main Unit
• Remote Control
• Wiring Harness
• Mounting Hardware
• User Manual (this document)

Wiring Diagram

Refer to the detailed wiring diagram provided with the unit for specific connections. Key connections include:

• Power (Yellow): Constant 12V supply.
• Accessory (Red): Switched 12V supply (ignition).
• Ground (Black): Connect to a clean chassis ground point.
• Speaker Outputs: Connect to vehicle speakers (Front L/R, Rear L/R).
• Parking Brake (Light Green): Connect to the vehicle's parking brake switch for video playback safety.
• Reverse Gear (Purple/White): Connect for automatic rear-view camera activation.
• USB Port: For iPod/iPhone audio and USB device connection.
• Bluetooth Adapter: For wireless audio streaming and hands-free calling.

Note: Improper wiring can damage the unit or vehicle electrical system. If you are not confident in your wiring abilities, seek professional installation.

Mounting the Unit

1. Remove the existing car stereo from the dashboard.
2. Install the mounting sleeve into the dashboard opening.
3. Connect all necessary wiring harnesses to the KW-AVX748 unit.
4. Slide the KW-AVX748 unit into the mounting sleeve until it locks into place.
5. Secure the unit using the provided screws or brackets.
6. Attach the detachable face panel.

Operating Instructions

Basic Operations

• Power On/Off: Press the DISP OFF button (or similar power button) on the unit or remote.
• Volume Control: Use the rotary knob on the unit or the + / - buttons on the remote.
• Source Selection: Press the SRC button on the unit or SOURCE button on the remote to cycle through Tuner, Disc, USB, iPod, AV-IN, Bluetooth.
• Menu Navigation: Use the touchscreen or the directional buttons on the remote to navigate menus.

Audio Playback

The KW-AVX748 supports various audio sources:

• Radio (Tuner): Select "Tuner" source. Use the touchscreen or remote to select bands (FM/AM) and tune stations.
• CD/DVD (Disc): Insert a disc into the slot. The unit will automatically detect and begin playback.
• USB: Connect a USB flash drive containing audio/video files. Select "USB" source.
• iPod/iPhone: Connect your Apple device via USB. Select "iPod" source for audio playback and control.
• Bluetooth Audio: Pair your Bluetooth device (see Bluetooth section). Select "Bluetooth" source to stream audio.
• AV-IN / Front AUX: Connect external audio/video devices using the appropriate input jacks.

Bluetooth Functions

1. Pairing a Device:
   • On the KW-AVX748, go to the Settings menu and select Bluetooth.
   • Enable Bluetooth on your mobile device and search for available devices.
   • Select "JVC KW-AVX748" from the list on your device.
   • Confirm the pairing code if prompted.
2. Hands-Free Calling:
   • Once paired, you can make and receive calls through the unit.
   • Use the PHONE button on the remote or touchscreen to access call functions.
   • The unit's microphone will pick up your voice, and audio will play through car speakers.
3. Audio Streaming (A2DP):
   • After pairing, select "Bluetooth" as the source.
   • Play audio from your paired device, and it will stream wirelessly to the KW-AVX748.

Display and Settings

• Display Settings: Access the Display option in the AV Menu to adjust brightness, contrast, and color.
• Audio Settings: Navigate to Settings to adjust equalizer, balance, fader, and subwoofer levels.
• System Settings: Configure language, clock, and other general system preferences.

Maintenance

• Cleaning the Unit: Use a soft, dry cloth to wipe the display and unit surface. Do not use abrasive cleaners or solvents.
• Detachable Face Panel: Handle the detachable face panel with care. Clean its contacts periodically with a cotton swab dipped in rubbing alcohol.
• Disc Slot: Avoid inserting foreign objects into the disc slot. Use a disc cleaning kit if playback issues arise due to dirt.
• Firmware Updates: Check the official JVC website periodically for any available firmware updates for your model.

Troubleshooting

If the problem persists after trying these solutions, contact JVC customer support or a qualified service technician.

Specifications

• Model: KW-AVX748
• Display: 6.1-inch Widescreen Touch Panel Monitor
• Power Output: MOS-FET 50W x 4 (20W RMS x 4)
• Connectivity: Bluetooth Adapter, USB Port (for iPod/iPhone Audio), AV-IN, Front AUX
• Pre-Output Terminals: 3 (Front, Rear, Subwoofer)
• Features: Subwoofer Control, Detachable Face Panel
• Dimensions: 20.32 x 12.7 x 16.51 cm (8 x 5 x 6.5 inches)
• Weight: 1.54 kg (3.4 lbs)
• Supported Media: DVD, CD, USB devices, iPod/iPhone

Warranty Information

JVC provides a limited warranty for this product. The warranty period and terms may vary by region. Please refer to the warranty card included with your product or visit the official JVC website for detailed warranty information specific to your country of purchase. Keep your proof of purchase for warranty claims.

Customer Support

For technical assistance, troubleshooting, or service inquiries, please contact JVC customer support:

• Website: Visit the official JVC website for FAQs, driver downloads, and support contact information.
• Phone: Refer to the JVC website or your product packaging for regional customer service phone numbers.
• Authorized Service Centers: A list of authorized service centers can be found on the JVC website.

When contacting support, please have your product model number (KW-AVX748) and serial number ready.