LG HT904PA Manual

The LG HT904PA is a 5.1 channel home theater system with 1000W total power output, DVD player, USB playback, FM radio, Bluetooth connectivity, HDMI output, digital optical input, and multiple audio decoding formats including Dolby Digital and DTS. 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 Connectivity 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, digital optical input.

FeatureDescription
Total Power Output1000W (RMS) 5.1 channel system
DVD PlayerPlays DVD, DVD±R/RW, CD, CD-R/RW
USB PlaybackSupports MP3, WMA, JPEG files
BluetoothWireless audio streaming from compatible devices
FM RadioPreset stations with auto-scan
HDMI OutputSingle cable audio/video connection to TV
Digital Optical InputFor external digital audio sources
Audio DecodingDolby Digital, DTS, Dolby Pro Logic II
Sound ModesMovie, Music, Game, Standard
Remote ControlFull function remote with backlight

Installation

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

  1. Connect speakers: Match colored wires to corresponding terminals on main unit and speakers.
  2. Connect subwoofer: Plug RCA cable to SUBWOOFER OUT on main unit.
  3. Connect to TV: Use HDMI cable from HDMI OUT to TV's HDMI input.
  4. Connect power: Plug main unit and subwoofer into AC outlets.
  5. Attach FM antenna: Connect wire antenna to FM 75Ω terminal.

WARNING! Ensure proper ventilation around main unit. Do not place speakers near heat sources.

First-Time Setup

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

  1. Initial setup: Select language and country when prompted.
  2. Speaker test: Use TEST TONE function to verify all speakers are working.
  3. Set speaker distances: Configure distance for optimal surround sound.
  4. FM tuning: Auto-scan to save radio stations.
  5. Bluetooth pairing: Enter pairing mode and connect your device.

CAUTION! Ensure all connections are secure before powering on.

Specifications

Controls and Settings

Front Panel: POWER, OPEN/CLOSE, USB port, FUNCTION, VOLUME knob. Display: Shows current mode, track info, settings.

Remote: POWER, Numeric buttons, OPEN/CLOSE, FUNCTION, VOLUME, MUTE, SOUND MODE, SETUP, Navigation buttons.

Setup Menu: Speaker settings (size, distance, level), Audio options (decoder, dynamic range), Video settings (resolution, HDMI audio), System settings (language, reset). Sound Modes: Select Movie for films, Music for stereo content, Game for gaming, Standard for general use.

Connecting Devices

TV: HDMI output. External audio: Digital optical input. USB: Front port for flash drives.

  1. Turn off all devices before connecting.
  2. Use high-speed HDMI cable for best quality.
  3. Select input source using FUNCTION button (DVD, USB, BT, AUX, FM).
  4. For external devices: Connect digital optical cable from source to OPTICAL IN.

Tip: Use HDMI connection for both audio and video to TV.

Playing Media

Supports DVDs, audio CDs, USB media.

  1. Insert disc: Press OPEN/CLOSE, load media label side up.
  2. Play: Press PLAY; navigate with arrow buttons.
  3. USB playback: Insert USB device, select USB function.
  4. FM radio: Select FM function, press AUTO SCAN to save stations.
  5. Sound modes: Press SOUND MODE to cycle through options.
  6. Repeat/Shuffle: Available in DVD and USB modes.
  7. Zoom: For DVD video content.
  8. Bookmark: Save favorite positions on discs.

WARNING! Do not move system during disc playback. Keep discs clean and free of scratches.

Bluetooth Connectivity

Wireless audio streaming from smartphones, tablets, computers.

  1. Press FUNCTION to select BT mode.
  2. On your device, enable Bluetooth and search for "LG HT904PA".
  3. Select to pair (default PIN: 0000 if required).
  4. Play audio from your device; control volume from system or device.

Note: Range up to 33 feet (10 meters) without obstacles.

Care & Cleaning

Unplug from power before cleaning. Use soft, dry cloth for exterior. For speaker grilles, use soft brush.

CAUTION! Do not use chemicals or abrasives. Keep liquids away from all components.

Regulatory Information

FCC Part 15: Class B digital device compliant. This device complies with part 15 of the FCC Rules. Copyright © LG Electronics Inc. Bluetooth® is a registered trademark of Bluetooth SIG, Inc. Dolby and DTS are trademarks of their respective owners. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord, outletCheck power connections; try different outlet; ensure power switch is on.
No sound from speakersConnections, settingsVerify speaker wires are connected properly; check volume level; ensure correct input selected.
Disc not playingDisc type, damageEnsure disc is compatible; check for scratches; clean disc properly.
Bluetooth not connectingDistance, pairingMove devices closer; delete old pairing and reconnect; ensure Bluetooth is enabled on device.
No video on TVHDMI connection, inputCheck HDMI cable connection; ensure TV is on correct input source; try different HDMI cable.
Remote not workingBatteries, obstaclesReplace batteries; point remote at sensor; remove obstacles between remote and unit.

Reset: Setup menu > System > Reset to factory defaults.

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

LG HT904PA Manual © - All Rights Reserved 2025