LG DVD Receiver HT503 Manual

The LG DVD Receiver HT503 is a versatile home entertainment system featuring DVD playback, AM/FM tuner, multiple audio inputs, USB connectivity, 5.1 channel surround sound, remote control, digital audio processing, sleep timer, and various sound enhancement technologies. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Playing DVD Media 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: DVD receiver unit, Remote Control, Speaker terminals, Audio inputs, USB port, Antenna connectors, Digital audio outputs.

Feature	Description
DVD player	Plays DVD-Video, CD, MP3, and JPEG formats
AM/FM tuner	Built-in radio with preset memory
USB port	For connecting USB devices and playing media files
5.1 channel output	Surround sound speaker connections
Audio inputs	Multiple audio input options including AUX and digital
Remote control	Full-function remote for all operations
Digital audio processing	Dolby Digital and DTS decoding
Sleep timer	Automatic shut-off feature
Display panel	LED display showing current mode and settings
Power button	Turns system on/off

Installation

Unpack and inspect contents. Place on stable surface away from heat sources.

Connect speakers: Match speaker wires to correct terminals (Front L/R, Center, Surround L/R, Subwoofer).
Connect audio sources: Use AUX inputs for external devices like MP3 players or gaming consoles.
Connect TV: Use audio output to TV for enhanced sound.
Connect antennas: Attach AM loop antenna and FM wire antenna.
Plug into AC power.

WARNING! Ensure proper ventilation around unit; do not block vents. Use correct speaker impedance.

First-Time Setup

Power on system; follow initial setup procedure.

Speaker setup: Test each speaker channel using test tone function.
Radio presets: Auto-scan and store favorite AM/FM stations.
Audio settings: Configure bass, treble, and surround sound modes.
Display settings: Adjust brightness and contrast of front panel.
Input configuration: Set up preferred input sources.

CAUTION! Ensure all connections are secure before powering on.

Specifications

Audio Power: 100W per channel (front), 500W total system power
Supported Formats: DVD, CD, MP3, WMA, JPEG
Tuner: AM/FM with 30 station presets
Connectivity: USB, AUX input, digital audio input, speaker outputs
Sound Processing: Dolby Digital, DTS, Pro Logic II
Frequency Response: 20Hz - 20kHz
Signal-to-Noise Ratio: >95dB
Power Source: 120V AC, 60Hz
Dimensions: 17.3" W × 4.3" H × 13.8" D

Controls and Settings

Front Panel: POWER, OPEN/CLOSE, INPUT SELECT, VOLUME, USB port, Display.

Remote: POWER, Numeric buttons, OPEN/CLOSE, INPUT SELECT, VOLUME, MUTE, MENU, SETUP, Navigation arrows, Audio mode buttons.

Audio Settings: Bass, Treble, Balance, Surround mode (Movie, Music, Game), Night mode. System Settings: Display brightness, Sleep timer, Factory reset. Tuner Settings: Auto scan, Manual tuning, Preset memory. DVD Settings: Parental control, Audio language, Subtitle language.

Connecting Devices

Speakers: 5.1 channel terminals. Audio: AUX input, digital audio input. USB: Front panel port.

Turn off system before connecting devices.
Connect speakers observing correct polarity (+/-).
Use quality cables for audio connections.
Select input source via INPUT SELECT button.
For USB devices, insert into front USB port.

Tip: Use banana plugs for easier speaker connection and better contact.

Playing DVD Media

Supports DVD-Video, audio CDs, MP3 CDs, and JPEG photo CDs.

Insert disc: Press OPEN/CLOSE, load DVD or CD.
Play: Press PLAY; use navigation for menu selection.
Stop: Press STOP; eject with OPEN/CLOSE.
Skip: PREV/NEXT for chapters/tracks.
Repeat: REPEAT button for track/chapter/all repeat.
Audio modes: Select different sound fields (Hall, Stadium, etc.).
Zoom: Video zoom function for DVD playback.
Bookmark: Save favorite scenes or tracks.

WARNING! Do not use damaged or improperly formatted discs.

Accessibility Features

Audio Description: Enhanced audio for visually impaired. Parental Controls: DVD parental lock with password protection. Display Options: Adjustable front panel brightness.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for exterior. Use lens cleaner for DVD laser if needed.

CAUTION! Do not use chemical cleaners; avoid liquid contact with electronics.

Regulatory Information

FCC Part 15: Class B digital device compliant. Copyright © 2006 LG Electronics; all rights reserved. For support, visit www.lg.com or contact 1-800-243-0000. Manufactured under license from Dolby Laboratories.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet.
No sound from speakers	Connections/settings	Check speaker wires; verify input selection; adjust volume.
Disc not playing	Disc format/damage	Ensure compatible format; clean disc; check for scratches.
Remote not working	Batteries/obstacles	Replace batteries; ensure clear path to IR sensor.
Poor radio reception	Antenna placement	Reposition antennas; extend FM antenna fully.
USB not recognized	Format/compatibility	Use FAT32 format; check supported file types.

Reset: Hold POWER button for 10 seconds or use factory reset in menu.

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