LG DVX641KH Manual

The LG DVX641KH is a high-performance home theater system featuring a 5.1 channel surround sound setup, DVD/CD player, USB playback, AM/FM tuner, and multiple connectivity options including HDMI, optical, and coaxial inputs. It supports various audio formats, includes a wireless subwoofer, and offers intuitive controls with a remote. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Main unit with DVD player, 5 satellite speakers, wireless subwoofer, Remote Control, HDMI output, optical/coaxial inputs, USB port, AM/FM antenna.

Feature	Description
5.1 Channel Sound	Delivers immersive surround sound experience
Wireless Subwoofer	Easy placement without cable clutter
HDMI Output	For high-quality audio/video transmission to TV
Optical/Coaxial Inputs	For connecting external audio sources
USB Port	Playback of MP3, WMA, JPEG files
AM/FM Tuner	With preset memory stations
DVD/CD Player	Plays DVD-Video, DVD±R/RW, CD, CD-R/RW
Sound Modes	Cinema, Music, Game, Night modes
Remote Control	Full function remote for easy operation
Auto Power On	System turns on when audio signal is detected

Installation

Unpack and inspect all components. Choose optimal placement for speakers.

1. Position speakers: Front L/R, Center, Surround L/R speakers around viewing area.
2. Place wireless subwoofer: Within 30 feet of main unit for proper connection.
3. Connect to TV: Use HDMI cable from system's HDMI OUT to TV's HDMI IN.
4. Connect power: Plug main unit and subwoofer into AC outlets.
5. Connect antennas: Attach AM loop and FM wire antennas.

WARNING! Ensure proper ventilation around main unit. Keep speakers away from heat sources.

First-Time Setup

Power on system; follow initial setup procedure.

1. Auto wireless connection: Power on subwoofer; it should automatically pair with main unit.
2. Speaker test: Use TEST TONE in menu to verify all speakers are working.
3. Input setup: Configure HDMI, optical, or coaxial inputs for connected devices.
4. Sound calibration: Use auto calibration feature for optimal sound balance.
5. Radio presets: Scan and save favorite AM/FM stations.

CAUTION! Do not place speakers where cords can be tripped over. Secure all cables.

Specifications

• Audio Output: 1000W total power (RMS).
• Speaker Configuration: 5.1 channels (Front L/R, Center, Surround L/R, Subwoofer).
• Supported Formats: DVD-Video, DVD±R/RW, CD, CD-R/RW, MP3, WMA, JPEG.
• Connectivity: HDMI OUT, Optical IN, Coaxial IN, USB, AM/FM antenna terminals.
• Wireless Range: Subwoofer up to 30 feet.
• Sound Modes: Cinema, Music, Game, Night, Standard.
• Power Source: 120V AC, 60Hz.
• Dimensions (Main Unit): 16.5" W × 3.9" H × 12.6" D.

Controls and Settings

Access menu via remote or front panel buttons. Front Panel: POWER, OPEN/CLOSE, INPUT SELECT, VOLUME, SOUND MODE.

Remote: POWER, Numeric buttons, OPEN/CLOSE, INPUT SELECT, VOLUME, MUTE, MENU, NAVIGATION arrows, ENTER, SOUND MODE, SUBTITLE, AUDIO.

Audio Settings: Bass, Treble, Balance, Speaker Distance, Test Tone. Input Setup: Assign names to inputs (BD, TV, GAME, etc.). System: Language (ENGLISH default), HDMI settings, auto standby. Radio: Auto scan, manual tuning, preset memory.

Connecting Devices

HDMI: Connect to TV for audio/video. Optical/Coaxial: For external audio sources. USB: For media playback.

1. Turn off all devices before connecting.
2. Use appropriate cables (HDMI for best quality).
3. Select input via INPUT SELECT (HDMI, OPT, COAX, USB, DVD).
4. Configure input in setup menu if needed.

Tip: Use high-speed HDMI cables for 4K pass-through capability.

Playing Media

Supports DVDs, CDs, USB media.

1. Insert disc: Press OPEN/CLOSE, load media.
2. USB playback: Insert USB drive; system detects automatically.
3. Play controls: PLAY, PAUSE, STOP, SKIP forward/backward.
4. Search: Use LEFT/RIGHT arrows during playback.
5. Repeat: REPEAT button for track/chapter/all repeat.
6. Random play: SHUFFLE for random track order.
7. Photo viewing: JPEG slideshow from USB with background music.
8. Bookmark: Save favorite scenes or tracks.

WARNING! Do not use damaged or irregularly shaped discs. Keep USB port clean and dry.

Sound Modes

Cinema: Optimized for movie watching with enhanced surround. Music: Balanced for music playback. Game: Enhanced dynamics for gaming. Night: Reduces loud sounds for late-night viewing. Standard: Default setting for general use.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior. Clean disc lens with approved cleaning disc only.

CAUTION! Do not use solvents or abrasive cleaners. Avoid liquid contact with any components.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2023 LG Electronics Inc.; all rights reserved. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from subwoofer	Wireless connection lost	Repair subwoofer (press PAIR button); check power.
No HDMI signal	Cable/input selection	Check HDMI cable connection; select correct input on TV.
Disc not recognized	Disc format/damage	Ensure disc is compatible format; clean disc surface.
Remote not working	Batteries/obstruction	Replace batteries; ensure line of sight to sensor.
Radio poor reception	Antenna placement	Extend FM antenna fully; reposition AM loop antenna.
USB not detected	Format/compatibility	Use FAT32 formatted drive; check file format compatibility.

Reset: Menu > System > Factory Reset to restore default settings.

Service: 1-800-243-0000; www.lg.com