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LG AR702NS - User Manual

LG AR702NS
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AV RECEIVER SYSTEM
OWNER’S MANUAL
MODEL: AR702TT
Main Unit - AR702TT-DD
Speakers - SR72TT-F, SR72TT-C, SR72TT-B
SR72TT-A
AR702TS
Main Unit - AR702TS-DD
Speakers - SR72TS-F, SR72TS-C, SR72TS-L
SR72TS-B, SR72TS-A
AR702BR
Main Unit - AR702BR-DD
Speakers - SR72BR-L, SR72BR-B, SR72BR-S
SR72BR-A
AR702NS
Main Unit - AR702NS-DD
Before connecting, operating or adjusting this product,
please read this instruction booklet carefully and completely.
AR702TT-DD.DESPLL_ENG_2925

Table of Contents

Questions and Answers

  • M
    Mark RobertsSep 10, 2025
    What to do if the remote control for my LG AR702NS Stereo Receiver does not operate?
    • D
      Douglas Vasquez DDSSep 10, 2025
      If the remote control isn't working, first replace the batteries. If that doesn't solve the issue, check for any obstructions blocking the remote sensor.
  • B
    Brian GrayAug 23, 2025
    Why is there no sound from my LG Receiver?
    • V
      Victoria FlemingAug 23, 2025
      If there is no sound from your LG Receiver, it could be due to several reasons: the speaker wires may be disconnected (check the speaker connections); the MASTER VOLUME may be too low (adjust the MASTER VOLUME); the MUTE button may be on (press the MUTE button to cancel the muting effect); the selected decoding mode may not match the input signal format (select the available decoding mode); the input source may be incorrectly selected (select the desired input source correctly); there may be incorrect connections between the components (make connections correctly); or the USB cable may be separated during playing a file on the PC-LINK mode (execute a media player again).
  • C
    Cody AndersonAug 25, 2025
    What to do if my LG Receiver has no power?
    • C
      Carolyn WrightAug 25, 2025
      If your LG Receiver has no power, the AC input cord might be disconnected (connect cord securely). Also, there could be a poor connection at the AC wall outlet, or the outlet might be dead or off (check the outlet using a lamp or another appliance).
  • S
    Samantha RichardsAug 26, 2025
    How to fix poor FM reception on my LG Receiver?
    • P
      Patricia SnowAug 27, 2025
      To fix poor FM reception on your LG Receiver, make sure an antenna is connected (connect an antenna). Also, the antenna may not be positioned for the best reception (change the position of the antenna).
  • K
    Kylie SantiagoAug 27, 2025
    Why are stations not received on my LG Receiver?
    • T
      Tina HansonAug 28, 2025
      If stations cannot be received on your LG Receiver, it may be because no antenna is connected (connect an antenna). It could also be that the desired station frequency is not tuned in (tune in the desired station frequency), or the antenna is in the wrong position (move antenna and retry tuning).
  • S
    sandrakingAug 29, 2025
    Why is there no sound from the surround speakers on my LG Receiver?
    • G
      George SanchezAug 29, 2025
      If there is no sound from the surround speakers on your LG Receiver, it could be because surround mode is switched off (normal stereo mode) - select a surround mode. It may also be that the MASTER VOLUME and surround level are too low - adjust MASTER VOLUME and surround level. Another reason could be that a monaural source is used - select a stereo or surround source. Finally, the surround speaker setting might be set to “NONE” - select the desired surround speaker setting.
  • C
    Christine MartinezSep 18, 2025
    Why is there no sound from the surround center speakers on my LG AR702NS?
    • J
      josephmitchellSep 18, 2025
      If there is no sound from the surround center speakers, the input signal format or the current surround mode might not support the 6.1 surround. Under the proper situations, perform the 6.1 surround playback. Also, ensure that the MASTER VOLUME and surround center level are not set too low.
  • L
    Lisa MckeeSep 12, 2025
    Why are stations on my LG Stereo Receiver not being received?
    • G
      Gloria KennedySep 12, 2025
      If you're unable to receive stations, start by connecting an antenna. Then, tune in to the desired station frequency. If you still experience issues, try moving the antenna to a different position and retry tuning.
  • S
    Sarah DavisSep 8, 2025
    How to fix poor FM reception on my LG Stereo Receiver?
    • J
      Joshua GriffithSep 8, 2025
      To improve FM reception, ensure an antenna is connected to your device. If an antenna is already connected, try repositioning it for better reception.
  • B
    bakerandreSep 5, 2025
    Why is there no sound coming from my LG AR702NS Stereo Receiver?
    • L
      Laurie SimpsonSep 5, 2025
      There could be several reasons for the lack of sound. First, check that the speaker wires are properly connected. Ensure that the MASTER VOLUME isn't set too low and that the MUTE button is not activated. Also, verify that the selected decoding mode matches the input signal format and that you've chosen the correct input source. Double-check the connections between all components. If you are playing a file in PC-LINK mode, try executing the media player again.

Summary

Safety and Precautions

General Safety Warnings

Important warnings regarding electrical shock, water exposure, and proper ventilation.

Power Cord and Electrical Safety

Guidelines for safe power cord usage and dedicated circuit recommendations.

Disposal of Old Appliances

Instructions for environmentally responsible disposal of the old unit.

Introduction to the AV Receiver System

Before Use and Connections

Essential pre-operation steps including manual reading, placement, and required cables.

Front Panel Overview

Detailed description of controls, buttons, and connectors on the unit's front panel.

Rear Panel Connections

Comprehensive guide to all input and output jacks located on the rear panel.

Active Subwoofer and Display Indicators

Explanation of active subwoofer controls and the unit's display window indicators.

Remote Control Operation and Setup

Guide to remote control functionality, battery installation, and operational modes.

Installation Guide for AV Receiver

Connecting Digital Audio Sources

Instructions for connecting devices with digital audio outputs like DVD players and tuners.

Connecting Analog Audio Sources

Guide to connecting components using analog audio cables and composite video.

Connecting Camcorders and Game Consoles

How to connect video sources like camcorders or game consoles.

Connecting PC, USB, and Portable Devices

Instructions for connecting PCs, USB drives, and portable music players.

Connecting Video Components for Playback

Steps for connecting video sources to play content.

Connecting Video Components for Recording

Guide for setting up the unit to record video from external sources.

Connecting HDMI Devices

How to connect TVs and other components using HDMI cables for digital transmission.

Connecting FM and AM Antennas

Instructions for connecting supplied AM loop and FM wire antennas for radio reception.

Connecting Speakers and System Configuration

Guidance on connecting speakers, ideal system configuration, and placement for optimal sound.

Operating the AV Receiver System

Basic Operations: Power and Headphones

How to turn the unit on/off and use the headphone jack for private listening.

Audyssey 2 EQ Automatic Speaker Setup

Step-by-step guide for automatic speaker calibration using the included microphone.

Selecting Input Sources and Modes

How to choose an input source and assign digital input modes for audio.

Signal Switching and Media Playback

Managing signal flow, playing USB music, and controlling an iPod.

Radio and RDS Functions

Tuning FM/AM radio, presetting stations, and understanding RDS information.

Display, Timer, and Mute Functions

Adjusting display, setting sleep timer, and using the mute function.

SURROUND Mode Settings

Configuring various surround sound effects for different audio sources.

Speaker Type and Crossover Settings

Setting speaker sizes, types, and crossover frequencies for optimal audio.

Speaker Distance and Level Adjustment

Adjusting speaker distances from the listening position and individual speaker levels.

HDMI Output and Digital Input Configuration

Configuring HDMI output settings and digital input signal assignments.

System Initialization and Listening Mode Details

Loading factory settings and detailed descriptions of various listening modes.

Reference Information

Audio Technologies Glossary

Explanations of key audio technologies and surround sound formats like Dolby and DTS.

Troubleshooting Common Issues

A guide to identify and resolve common problems with the AV receiver.

Technical Specifications

Detailed specifications for the receiver's amplifier, tuner, and connectivity options.

Speaker Model Specifications

Technical details and dimensions for the various speakers included in the system.

LG AR702NS Specifications

General IconGeneral
Impedance8 Ω
RMS rated power600 W
Audio output channels6.1 channels
Radio Data System (RDS)Yes
I/O portsHDMI In(2) HDMI Out(1) 4 Audio In: Optical(3), Coaxial(1) 5 Analog A/V In, 2 Component Video In USB PC-link
Connectivity technologyWired
Headphone outputs1
Dimensions (WxDxH)521 x 447 x 247 mm
HDMI ports quantity3
Weight and Dimensions IconWeight and Dimensions
Weight7100 g

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