LG HTR235N Manual

The LG HTR235N is a 5.1 channel home theater system with 1000W total power output, Bluetooth connectivity, USB playback, FM radio, multiple audio decoding formats (Dolby Digital, DTS), HDMI connectivity, optical/coaxial digital inputs, and a sleek design. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Main receiver unit, 5 satellite speakers, 1 subwoofer, Remote Control, FM antenna, various input/output ports.

Feature	Description
Power Output	1000W total (5.1 channel)
Bluetooth	Wireless audio streaming from compatible devices
USB Port	Playback of MP3, WMA, AAC audio files
FM Radio	Preset memory for 30 stations
HDMI Input/Output	Audio/video connectivity with ARC support
Optical/Coaxial Input	Digital audio connection from TV or other sources
Audio Decoding	Dolby Digital, DTS, Dolby Pro Logic II
Sound Modes	Movie, Music, Game, Standard
Display	Front panel LED display
Remote Control	Full function remote with backlight

Installation

Unpack and inspect all components. Place receiver on stable, well-ventilated surface.

1. Connect speakers: Match speaker wire colors (red to red, black to black) to corresponding terminals.
2. Position speakers: Front L/R beside TV, center speaker above/below TV, surround L/R behind listening area.
3. Connect subwoofer: Use provided cable to SUBWOOFER OUT on receiver.
4. Connect power: Plug receiver into AC outlet last.
5. Connect audio sources: Use HDMI, optical, or coaxial cables from TV/media players.

WARNING! Ensure proper ventilation around receiver. Do not block ventilation holes.

First-Time Setup

Power on system; follow initial setup prompts.

1. Auto speaker setup: Use included microphone for automatic calibration (if available).
2. Select input source: Press INPUT button to cycle through available sources.
3. Configure audio settings: Access SETUP menu for speaker levels, distance, crossover.
4. Pair Bluetooth: Enter Bluetooth pairing mode and select from your device's Bluetooth menu.
5. Set FM radio: Extend FM antenna and auto-scan for stations.

CAUTION! Ensure all connections are secure before powering on.

Specifications

• Audio Channels: 5.1 channel surround sound
• Total Power: 1000W RMS
• Frequency Response: 20Hz - 20kHz
• Signal-to-Noise Ratio: >90dB
• Inputs: HDMI (3 in, 1 out with ARC), Optical (2), Coaxial (1), USB, AUX
• Wireless: Bluetooth 4.0
• Supported Formats: Dolby Digital, DTS, Dolby Pro Logic II, MP3, WMA, AAC
• Speaker Impedance: 6 ohms
• Power Supply: 120V AC, 60Hz
• Dimensions (Receiver): 17.3" W × 2.6" H × 12.8" D

Controls and Settings

Front Panel: POWER, INPUT SELECT, VOLUME, USB PORT, DISPLAY. Remote: POWER, Numeric buttons, INPUT SELECT, VOLUME, MUTE, SOUND MODE, SETUP, NAVIGATION buttons.

Audio Settings: Access via SETUP menu - Speaker Level (individual channel adjustment), Speaker Distance, Crossover Frequency, Bass/Treble, Loudness. Sound Modes: Movie (enhances surround effects), Music (optimizes stereo playback), Game (enhances positional audio), Standard (default). Display: Brightness adjustment, information display.

Connecting Devices

TV Connection: Use HDMI ARC for best audio from TV apps. Media Players: Connect via HDMI or optical. Gaming Consoles: Use HDMI for audio/video.

1. Turn off all devices before connecting.
2. Use high-speed HDMI cables for 4K/HD content.
3. Select correct input on receiver matching connected source.
4. Configure TV audio output to PCM or Bitstream based on content.

Tip: Label cables for easy identification of connected devices.

Playing Media

Supports USB playback, FM radio, and external source playback.

1. USB playback: Insert USB drive, select USB input, navigate folders using remote.
2. FM radio: Ensure antenna extended, press FM button, scan for stations.
3. External devices: Select appropriate input (HDMI1, HDMI2, OPTICAL, etc.).
4. Volume control: Adjust master volume or individual channel levels in setup.
5. Sound mode selection: Cycle through modes for different content types.

WARNING! Safely eject USB devices using system menu before removal.

Network & Bluetooth

Bluetooth Pairing: Press BT PAIR on remote or front panel, search for "LG HTR235N" on your device. USB Playback: Supports folder navigation, repeat, shuffle modes. Firmware Updates: Check LG website for updates via USB.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for receiver and speakers. Do not use chemicals or abrasive cleaners.

CAUTION! Keep liquids away from electronic components. Clean ventilation areas regularly.

Regulatory Information

FCC Part 15: Class B digital device compliant. This device complies with part 15 of the FCC Rules. Copyright © LG Electronics. 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 LG Customer Service at 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from speakers	Wrong input/volume	Select correct input; increase volume; check speaker connections.
Bluetooth not connecting	Pairing mode/distance	Enter pairing mode; ensure device within 33 feet; remove obstacles.
HDMI no signal	Cable/input selection	Check HDMI cable connection; select correct HDMI input on receiver.
Subwoofer not working	Power/connection	Ensure subwoofer powered on; check cable connection to receiver.
Remote not working	Batteries/obstacles	Replace batteries; point directly at receiver IR sensor; remove obstacles.
USB not recognized	Format/compatibility	Ensure USB is FAT32 formatted; check file compatibility (MP3, WMA, AAC).

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

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