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LG CM4590 - User Manual

LG CM4590
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OWNER’S MANUAL
Mini Hi-Fi System
Please read this manual carefully before operating your set and retain it for future
reference.
MODEL
CM4590 (CM4590, CJS45F, CJS45W)
www.lg.com
Copyright © 2019 LG Electronics Inc. All Rights Reserved.
MFL71379803
1901_Rev01

Table of Contents

Other manuals for LG CM4590

Questions and Answers

  • Q
    qreeseAug 15, 2025
    Why the AUTO POWER function does not work on LG CM4590?
    • L
      lisa88Aug 15, 2025
      If the AUTO POWER function isn't working on your LG Stereo System, verify the connection of the external device, such as a TV or Bluetooth device. Also, depending on the connected device, this function may not operate.
  • J
    James McbrideAug 18, 2025
    How to exit DEMO mode on LG Stereo System?
    • T
      Tina SmithAug 18, 2025
      To exit DEMO mode on your LG Stereo System, press and hold the ‘DEMO’ key on the unit for 15 seconds.
  • D
    Daniel WestAug 21, 2025
    Why is there no power in my LG CM4590?
    • E
      Erin BernardAug 22, 2025
      If your LG Stereo System isn't turning on, there are a couple of things to check: * Make sure the power cord is securely plugged into the outlet. * Test the outlet by plugging in another electronic device to see if the outlet is working.
  • J
    Julie BrownAug 25, 2025
    What to do if the remote control of LG Stereo System does not work properly?
    • Z
      Zachary WilsonAug 26, 2025
      If the remote control for your LG Stereo System isn't working, try the following: * Ensure you are within 7 meters (approximately 23 feet) of the unit. * Make sure there are no obstructions between the remote and the unit. * Replace the batteries in the remote control with new ones.
  • K
    Kelly HudsonAug 28, 2025
    What to do if there is no sound from LG Stereo System?
    • P
      Patricia Sharp MDAug 28, 2025
      If you're not getting any sound from your LG Stereo System, here are a couple of things you can check: * Make sure you've selected the correct function using the function button. * Verify that the speaker cables are correctly connected.
  • J
    Jordan BrownAug 31, 2025
    How to fix LG CM4590 if it does not work properly?
    • M
      Megan TorresAug 31, 2025
      If your LG Stereo System isn't working correctly, you can try the following steps: * Turn off the power to both the unit and any connected external devices (like your TV, Woofer, DVD player, or Amplifier), then turn them back on. * Disconnect the power cord of the unit and any connected external devices, and then reconnect them. * Keep in mind that previous settings may not be saved if the device power is shut off.
  • C
    Chad HornSep 3, 2025
    What to do if my LG Stereo System does not start playback?
    • J
      jennamathisSep 4, 2025
      If your LG Stereo System isn't starting playback, consider these possibilities: 1. The disc might not be playable, check the playable disc. 2. There might be no disc inserted, insert a disc. 3. The disc could be dirty, clean the disc. 4. The disc might be upside down, place the disc with the label or printed side facing upwards.
  • C
    Casey OdomSep 7, 2025
    Why radio stations cannot be tuned in properly on LG Stereo System?
    • W
      William ShortSep 7, 2025
      If you're having trouble tuning into radio stations on your LG Stereo System, here are a few things to check: * Make sure the antenna is securely connected and positioned correctly. * If the signal strength is weak, try tuning to the station manually. * If tuning by scanning preset channels, make sure you have preset some radio stations.
  • E
    efosterSep 10, 2025
    Why LG Sound Sync does not work on my LG Stereo System?
    • G
      greenemilySep 12, 2025
      If LG Sound Sync isn't working with your LG Stereo System, please check the following: * Confirm that your LG TV supports LG Sound Sync. * Verify the LG Sound Sync connection. * Check the sound settings on both your TV and the stereo system.

Summary

Safety Information

Electrical Safety and Warnings

Important safety precautions, electrical hazards, laser system safety, and general warnings.

Power Cord Precautions

Precautions for safe handling and use of the power cord to prevent hazards.

Key Features of the Hi-Fi System

Bluetooth Wireless Audio

Stream music wirelessly from your Bluetooth-enabled device.

LG Sound Sync Integration

Synchronize audio and control volume with compatible LG TVs.

Media File Compatibility

Music File Format Requirements

Specifications for MP3 and WMA file compatibility, including bit rate and sampling frequency.

Supported USB Devices

Information on types of USB devices supported by the unit for playback.

USB Device Connection Guidelines

Requirements and limitations for connecting USB devices, including file system support.

Remote Control Usage

Remote Control Overview

Overview of the remote control buttons and their functions for operating the unit.

Key Button Functions

Detailed explanation of key buttons like Power, Function, Volume, and Playback controls.

Unit Interface and Controls

Front Panel Layout and Features

Diagram illustrating the layout and components of the unit's front panel.

Front Panel Button Functions

Detailed explanation of each button and port located on the front of the unit.

Rear Panel Connections

Connecting Audio Components

Speaker Connection Guide

Instructions on how to properly connect the main speakers to the unit.

External Device Connectivity

USB Device Connection

Connect USB storage devices for playback and recording.

Basic CD and USB Operations

CD;USB Playback Basics

Basic steps for playing audio from CDs and USB devices.

Bluetooth Wireless Technology

Pairing Your Bluetooth Device

Step-by-step guide to connect your Bluetooth device to the unit.

Music Flow Bluetooth App

Installing the Mobile App

Instructions for installing the Music Flow Bluetooth app on your mobile device.

Advanced Recording Operations

USB Recording Guide

Instructions for recording audio from various sources to a USB device.

LG Sound Sync Operation

Controlling Unit via TV Remote

How to control the unit with a TV remote and synchronize audio.

Troubleshooting and Problem Solving

General Unit Issues

Solutions for common problems like unit not working, no power, or no sound.

LG CM4590 Specifications

General IconGeneral
Speaker Configuration2.1 Channel
BluetoothYes
CD PlayerYes
USB PlaybackYes
FM RadioYes
KaraokeYes
Audio Input3.5mm AUX

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