LG HT904PA-A0P Manual

The LG HT904PA-A0P is a 5.1 channel home theater system with 1000W total power output, DVD player, USB playback, FM radio, Bluetooth connectivity, HDMI output, and multiple audio inputs. It features virtual surround sound, audio presets (Cinema, Music, Game), auto power down, and a sleek design. 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 Media 8. Bluetooth & USB Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with DVD player, 5 satellite speakers, subwoofer, Remote Control, HDMI output, USB port, FM antenna, and audio input jacks.

FeatureDescription
Total Power Output1000W (RMS) for immersive audio
Bluetooth ConnectivityWireless audio streaming from compatible devices
HDMI OutputFor connection to TV or display
USB PortPlayback of MP3, WMA, JPEG files
FM RadioPreset memory for up to 30 stations
Audio InputsOptical, coaxial, AUX for external sources
Virtual SurroundSimulates 5.1 sound with fewer speakers
Audio PresetsCINEMA, MUSIC, GAME modes
Auto Power DownSaves energy when inactive
DisplayFront panel LED with status indicators

Installation

Unpack and inspect all components. Place main unit and speakers in desired locations.

  1. Connect speakers: Match colored wires to corresponding terminals on subwoofer (Front L/R, Center, Surround L/R).
  2. Connect to TV: Use HDMI cable from HDMI OUT on main unit to HDMI IN on TV.
  3. Connect power: Plug main unit and subwoofer into AC outlets.
  4. Connect antenna: Attach FM wire antenna to ANTENNA terminal.

WARNING! Ensure proper ventilation; do not block vents. Handle speakers with care.

First-Time Setup

Power on system; follow on-screen prompts if connected via HDMI.

  1. Set input source: Press INPUT on remote to select desired source (DVD, Bluetooth, USB, FM).
  2. Configure audio: Use SOUND MODE to select preset (CINEMA, MUSIC, GAME).
  3. Pair Bluetooth: Enter Bluetooth mode, search for "LG HT904PA" on your device.
  4. Set clock: Use SETUP menu to set time for timer functions.

CAUTION! Keep system away from heat sources and moisture.

Specifications

Controls and Settings

Access menu via SETUP button. Front Panel: POWER, OPEN/CLOSE, VOLUME, INPUT SELECT.

Remote: POWER, Numeric buttons, OPEN/CLOSE, INPUT, VOLUME, MUTE, SOUND MODE, SETUP, NAVIGATION arrows.

Audio Settings: Bass, Treble, Balance, Virtual Surround On/Off. System: Clock, Timer, Language (ENGLISH default), Reset. Source: Select DVD, Bluetooth, USB, FM, AUX. Display: Dimmer, On-Screen Display settings.

Connecting Devices

TV: HDMI output. External audio: Optical/coaxial for digital audio. AUX: 3.5mm jack for analog devices.

  1. Turn off system and devices before connecting.
  2. Use high-quality cables for best performance.
  3. Select corresponding input on system (e.g., OPTICAL for digital audio).

Tip: Ensure HDMI-CEC is enabled on TV for simplified control.

Playing Media

Supports DVD-Video, audio CDs, USB media.

  1. Insert disc: Press OPEN/CLOSE, load DVD/CD.
  2. Play: Press PLAY; navigate with arrow buttons.
  3. USB playback: Insert USB drive, select USB source, browse files.
  4. FM radio: Tune manually or auto-scan; save presets.
  5. Sound modes: Cycle through CINEMA, MUSIC, GAME during playback.
  6. Repeat/Shuffle: Available in USB and CD modes.
  7. Volume adjustment: Use VOLUME or remote.

WARNING! Do not insert damaged discs or foreign objects into slot.

Bluetooth & USB Features

Bluetooth: Pair by selecting Bluetooth source, then search on device. USB: Supports MP3 (up to 320kbps), WMA, JPEG slideshow. FM: Auto scan stores up to 30 stations.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for exterior; compressed air for vents.

CAUTION! Avoid abrasive cleaners; do not use liquids on speakers or main unit.

Regulatory Information

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

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord/outletCheck connections; try different outlet; ensure power switch is on.
No sound from speakersConnections/volumeVerify speaker wires are secure; increase volume; check mute.
Bluetooth not connectingDistance/pairingMove device closer; delete old pairing and re-pair.
Disc not readingDisc format/damageEnsure disc is compatible; clean disc; try another disc.
Poor FM receptionAntenna placementExtend antenna fully; reposition for better signal.

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

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

LG HT904PA-A0P Manual © - All Rights Reserved 2025