LG Soundbar SJ3 SPJ4BM-W Manual

OWNER’S MANUAL
Wireless
Sound Bar
Please read this manual carefully before operating your set and retain it for future reference.
MODEL
SJ3 (SJ3, SPJ4BM-W)
www.lg.com
Copyright © 2022 LG Electronics Inc.
All Rights Reserved.
2203_Rev01

Getting Started

Safety Information

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE THE COVER (OR BACK) NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

This lightning flash with an arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK HAZARDS, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE.
CAUTION: The apparatus should not be exposed to water (dripping or splashing) and no objects filled with liquids, such as vases, should be placed on the apparatus.
WARNING: Do not install this equipment in a confined space such as a bookcase or similar unit.
CAUTION: Do not use high voltage products around this product. (ex. Electrical swatter) This product may malfunction due to electrical shock.
CAUTION: No naked flame sources, such as lighted candles, should be placed on the apparatus.
CAUTION: Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
Slots and openings in the cabinet are provided for ventilation to ensure the reliable operation of the product and to protect it from overheating. The openings shall never be blocked by placing the product on a bed, sofa, rug, or other similar surfaces. This product shall not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer’s instruction has been adhered to.

CAUTION concerning the Power
Cord The Power Plug is the disconnecting device. In case of an emergency, the Power Plug must remain readily accessible. Check the specification page of this owner’s manual to be certain of the current requirements. Do not overload wall outlets. Overloaded wall outlets, loose or damaged wall outlets, extension cords, frayed power cords, or damaged or cracked wire insulation are dangerous. Any of these conditions could result in electric shock or fire. Periodically examine the cord of your device, and if its appearance indicates damage or deterioration, unplug it, discontinue use of the device, and have the cord replaced with an exact replacement part by an authorized service center. Protect the power cord from physical or mechanical abuse, such as being twisted, kinked, pinched, closed in a door, or walked upon. Pay particular attention to plugs, wall outlets, and the point where the cord exits the device.
NOTICE: For safety marking information including product identification and power supply ratings, please refer to the main label on the bottom of the other surface of the product.
This device is equipped with a portable battery or accumulator.

Safety way to remove the battery from the equipment: Remove the old battery or battery pack, follow the steps in reverse order than the assembly. To prevent contamination of the environment and bring on possible threats to human and animal health, the old battery or the battery is put in the appropriate container at designated collection points. Do not dispose of batteries or batteries together with other waste. It is recommended that you use local, free reimbursement systems batteries, and accumulators. The battery should not be exposed to excessive heat such as sunshine, fire, or the like.

Symbols

	Refers to alternating current (AC).
	Refers to direct current (DC).
	Refers to class II equipment.
	Refers to stand by.
	Refers to “ON” (power).
	Refers to dangerous voltage.

Unique features

Auto power down
This unit supports turning off by itself for saving energy consumption.
Portable In
Listen to music from your portable device. (MP3 player, Notebook, Smartphone, etc..)
LG Sound Sync
The control volume level of this unit by the remote control of your LG TV is compatible with LG Sound Sync.
BLUETOOTH®
Listens to music stored on your Bluetooth device.
USB playback
Listens to music stored on your USB device.

Introduction

Symbols used in this manual

Note
Indicates special notes and operating features.
Caution
Indicates cautions for preventing possible damages from abuse.

Remote control

Replacement of battery

Remove the battery cover on the rear of the remote control, and insert the battery with + and - matched correctly.
• • • • • • • • • • • • • • 1 • • • • • • • • • • • • •
(Power): Switches the unit ON or OFF
F: Selects the function and the input source.
ASC : Analyzes the property of input sound and provides the sound optimized for the content in real-time.
STANDARD: Selects standardized sound.
CINEMA: Selects cinematic surround sound.
VOL /: Adjusts speaker volume.
(Mute) : Mutes the sound.

• • • • • • • • • • • • • • 2• • • • • • • • • • • • •
/ (Skip/Search) :
– Skips Fast backward or Forward.
– Searches for a section within a file.
(Play/Pause) : Starts playback. / Pauses playback.
NIGHT ON/OFF :
– Turns on or off Night mode.
– Controls this unit using the TV remote. (Refer to page 17.)
WOOFER LEVEL /: Adjusts the sound level of the subwoofer.
AUTO POWER ON/OFF :
– Turns on or off the AUTO POWER function. (Refer to page 18.)
– Turns on or off the Bluetooth connection lock function. (Refer to page 21.)

Front panel

1. / (Standby/On)
2. F (Function)
   Selects the function and input source.
3. / (Volume)
   Adjusts the volume level.
4.  Standby LED
   It lights up in red on standby mode.
5.  Remote sensor
6.  Function LED
7.  Speakers

Rear panel

1. PORT IN: Portable input
2. OPTICAL IN: Optical input
3. USB

About LED condition

LED	Condition	Description
	OPTICAL LED turns on.	The OPTICAL function is selected.
	OPTICAL LED blinks twice and turns on.	LG Sound Sync (Optical) function is selected.
	USB LED turns on.	USB function is selected.
	USB LED blinks.	Paused USB playback.
	Bluetooth LED turns on.	Paired with a Bluetooth device.
	LED blinks.	Waiting for Bluetooth connection.
	USB and Bluetooth LEDs turn On.	The PORTABLE function is selected.
	OPTICAL and USB LEDs turn on.	LG Sound Sync (Wireless) function is

Note

• When you press any button, the standby LED (Red) on the main unit blinks.
• When you press (the Mute) button, the standby LED (Red) blinks slowly
• When this unit reaches minimum volume, the standby LED (Red) turns on for 2 seconds and blinks
• When this unit reaches maximum volume, the standby LED (Red) turns on for 2
• When you press the volume (+/—) button continually, the standby LED (Red) blinks quickly

Installing the soundbar

You can hear the sound by connecting the unit to the other device: TV, Blu-ray disc player, DVD player, etc. Place the unit in front of the TV and connect it to the device you want. (Refer to pages 12 – 16)Caution

• For best performance of wireless connection such as Bluetooth or wireless subwoofer, do not install the unit on Metallic furniture because wireless connection communicates through a module positioned on the bottom of the unit.
• Be careful not to make scratches on the surface of the Unit / Subwoofer when installing or moving them.

Connecting

Wireless subwoofer connection

LED indicator of wireless subwoofer

LED Color	Status
Green (Blink)	Attempting to make connection.
Green	The connection is completed.
Red	The wireless subwoofer is in standby mode or the connection is failed.
Off (No display)	The power cord of the wireless subwoofer is disconnected.

Setting up the wireless subwoofer for the first time

1. Connect the power cord to the subwoofer and plug the power cord into a power outlet.
2. Turn on the main unit: The soundbar and wireless subwoofer will be automatically connected.
   – Green LED on the rear of the wireless subwoofer turns on.

Manually pairing wireless subwoofer
When your connection is not completed, you can check the red LED on the wireless subwoofer and the wireless subwoofer does not make a sound. To solve the problem, follow the steps below.

1. Press the Pairing button on the rear of the wireless subwoofer.– The green LED on the rear of the wireless subwoofer blinks quickly.
2. Turn on the main unit.
3. Pairing is completed.
   – The green LED on the rear of the wireless subwoofer turns on.

Note

• It takes a few seconds (and may take longer) for the main unit and the subwoofer to communicate with each other and make sounds.
• The closer the main unit and the subwoofer, the better the sound quality. It is recommended to install the main unit and the subwoofer as close as possible and avoid the cases below.
  – There is an obstacle between the main unit and the subwoofer.
  – There is a device using the same frequency with this wireless connection such as medical equipment, a microwave, or a wireless LAN device.
  – Keep the soundbar and the subwoofer away from the device (ex. wireless router, microwave oven, etc.) for over 1m to prevent wireless interference.

Connecting to your TV

Using an OPTICAL cable

1. Connect the OPTICAL IN jack on the back of the unit to the OPTICAL OUT jack on the TV using an OPTICAL cable.
2. Select the input source to OPTICAL by pressing the F button on the remote control or unit repeatedly.

Note

• Before connecting the optical cable, be sure to remove the protection plug cover if your cable has the cover.
• You can enjoy the TV audio through the speakers of this unit. In the case of some TV models, you must select the external speaker option from the TV menu. (For details, reference your TV user manual.)
• Set up the sound output of the TV to listen to the sound through this unit: TV setting menu [Sound] [TV Sound output] [External speaker (Optical)]
• Details of the TV setting menu vary depending on the manufacturers or models of your TV.

LG Sound Sync

You can control some functions of this unit with your TV’s remote control with LG Sound Sync.
It is compatible with an LG TV that supports
LG Sound Sync. Make sure of the LG Sound Sync logo on your TV.
Controllable function by LG TV’s remote control: Volume up/down, Mute
Refer to the TV’s instruction manual for the details of LG Sound Sync.
Make one of the following connections, depending on the capabilities of your equipment.

Note

• You can also use the remote control of this unit while using LG Sound Sync. If you use the TV’s remote control again, the unit synchronizes with the TV.
• When the connection fails, make sure of the condition of the TV and power.
• Make sure of the condition of this unit and the connection in the cases below when using LG Sound Sync.
  – The unit is turned off.
  – Changing to a different function.
  – Disconnecting the optical cable.
  – Disconnecting the wireless connection caused by interference or a distance.
• The amount of time to turn off this unit is different depending on your TV when you set the AUTO POWER function to ON.
• Details of the TV setting menu vary depending on the model of your TV.

With wired connection

1. Connect your LG TV to the unit by using an optical cable.
2. Set up the sound output of the TV to listen to the sound through this unit: TV setting menu [ [Sound] [ [TV Sound output] [ [LG Sound Sync (Optical)]
3. Turn on the unit by pressing on the remote control or / on the unit.
4. Select the input source to OPTICAL by pressing the F button on the remote control or unit repeatedly.

With wireless connection

1. Turn on the unit by pressing on the remote control or / on the unit.
2. Select the input source to LG TV by pressing the F button on the remote control or unit repeatedly.
3. Set up the sound output of the TV to listen to the sound through this unit: TV setting menu [Sound] [TV Sound output] [LG Sound Sync (Wireless)]

Note

If you turned off the unit directly by pressing on the remote control or / on the unit., LG Sound Sync (Wireless) will be disconnected. To use this function again, you should reconnect the TV and the unit.

Optional equipment connection

OPTICAL IN connection

Connect an optical output jack of external devices to the OPTICAL IN jack.

1. Connect the OPTICAL IN jack on the back of the unit to the OPTICAL OUT jack of your external device.
2. Select the input source to OPTICAL by pressing the F button on the remote control or unit repeatedly.
3. Listen to sound.

Note
Before connecting the optical cable, be sure to remove the protection plug cover if your cable has the cover.

Caution
If the optical cable is not connected in the correct direction, it may cause damage to the optical jack.

PORT. IN connection

MP3 player, etc…

Listening to music from your portable player
The unit can be used to play music from many types of portable players or external devices.

1. Connect the portable player to the PORTABLE IN connector of the unit by using a 3.5 mm stereo cable.
2. Select the input source to PORTABLE by pressing the F button on the remote control or unit repeatedly.
3. Turn on the portable player or external device and start playing it.

USB connection

Connect the USB memory device to the USB port on the back of the unit.

For more information on playing files on a USB, refer to page 17.

Removing the USB Device from the unit.

1. Choose a different function/mode.
2. Remove the USB device from the unit.

Compatible USB devices

• MP3 Player: Flash-type MP3 player.
• USB Flash Drive: Devices that support USB 1.1.
• The USB function of this unit does not support some USB devices.

USB device requirement

• Devices that require additional program installation connected to a computer, are not supported.
• Do not extract the USB device while in operation.
• For a large-capacity USB, it may take longer than a few minutes to be searched.
• To prevent data loss, back up all data.
• This unit is not supported when the total number of files is 1000 or more.
• The unit’s USB Port can not be connected to a PC. The unit can not be used as a storage device.
• The exFAT file system is not supported on this unit. (FAT16/FAT32 systems are available.)
• Depending on some devices, it may not available to recognize the followings on this unit.
  – External HDD
  – Card readers
  – Locked devices
  – Hard type USB devices
  – USB hub
  – Using USB extension cable
  – iPhone/iPod/iPad
  – Android device

Playable file

Sampling Frequency
MP3: within 32 to 48 kHz
WMA: within 32 to 48 kHz

Bitrate
MP3: within 80 to 320 kbps
WMA: within 56 to 128 kbps

• Maximum files: Under 999
• Maximum directories: Under 99
• A protected file by DRM (Digital rights management) cannot be played on the unit.
• Video files in the USB storage device can not be played.
• Depending on the performance of your USB device, playback may not work well.

Note

• Folders and files on the USB are recognized as below.

• The file will be played from file ① to file ⑩ one by one.
• Files will be played in the order recorded and it may be different depending on the record circumstances.
• You can’t see a folder or file through this unit.

Operating

Basic operations

USB operation

1. Connect the USB device to the USB port.
2. Select the input source to USB by pressing the F button on the remote control or unit repeatedly.

To	Do this
Playback	Press .
Pause	During playback, press .
Skip to the next/ previous file	During playback, press on the remote control to go to the next file. Playing less than 2 seconds, press on the remote control to go to the previous file. Playing after 3 seconds, press on the remote control to go to the beginning of the file.
Search for a section within a file	Press and hold / during playback and release it to the point you want to listen to.
Resume playback	This unit memorizes a current song that is played before changing the function or turning off the unit.

Note

• The resume point may be cleared when you pull out the power cord or remove the USB device from the unit.
• If the USB function is not working, check the USB function is selected.
• When you pause the USB playback, USB LED on the main unit blinks.

Other operations

Turn off the sound temporarily

Press (Mute) to mute your unit. To cancel it, press (Mute) again on the remote control or change the volume level.

Using your TV remote control

You can control some functions of this unit by your TV remote control even by other company’s products.
Controllable functions are volume up/down and mute.
Press and hold NIGHT ON on the remote control for about 2 seconds.
To turn off this function, press and hold NIGHT OFF for about 2 seconds.

Note

• Supported TV brands
  

  LG	Panasonic	Philips	Samsung
  Sharp	Sony	Toshiba	Vizio

• Make sure that the sound output of your TV is set to [External speaker].
• Depending on the remote control, this function may not work well.
• This function does not operate on LG TV’s magic remote control.

Auto power down

This unit will turn itself off to save electric consumption if the main unit is not connected to an external device and has not been used for 15 minutes.
This unit also turns off after six hours if the Main unit has been connected to another device using the analog input. (Ex: Portable, etc..)

How to disconnect the wireless network connection or the wireless device
Set up the AUTO POWER ON/OFF function to off and turn off the unit.

AUTO POWER On/Off

This unit automatically turns on by an input source: Optical, LG TV, or Bluetooth.
When you turn on your TV or an external device connected to this unit, this unit recognizes the input signal and selects the suitable function. You can hear the sound from your device.
If you try to connect your Bluetooth device, this unit turns on and the unit will be connected to your Bluetooth device.
This function turns on or off if you press AUTO POWER ON/OFF.

Note

• After the unit is turned on by the AUTO POWER function, it will be automatically turned off if there is no signal for a certain period of time from the external device.
• If you turned off the unit directly, it cannot be turned on automatically by the AUTO POWER function. However, the unit can be turned on by the AUTO POWER function when an optical signal comes in after 5 seconds of no signal.
• Depending on the connected device, this function may not operate.
• If you disconnect the Bluetooth connection by this unit, some Bluetooth devices try to connect to the unit continually. Therefore it is recommended to disconnect the connection before turning off the unit.
• When you turn on this unit for the first time, the Auto Power function is turned on status.
• To use this function, the main unit must be registered in paired devices list of Bluetooth devices.
• You can set the AUTO POWER function only when this unit is turned on.

Auto function change

This unit recognizes input signals such as Optical, Bluetooth, LG TV, and Portable and then changes suitable functions automatically.

When an optical signal comes in
When you turn on the external device connected to this unit by an optical cable, this unit changes its function to optical. You can hear the sound from your device.

When you try to connect a Bluetooth device
When you try to connect your Bluetooth device to this unit, the Bluetooth function is selected. Play your music on the Bluetooth device.

When the LG TV signal comes in
When you turn on your LG TV connected by LG Sound Sync (Wireless connection), this unit changes the function to LG TV. You can hear the sound from your TV.

When connecting a Portable device
When you connect your portable device using a portable cable, this unit changes the function to Portable. You can hear the music from your device.

Note

• To change to optical function, it needs 5 seconds of no signal.
• If the Bluetooth connection lock function is set, Bluetooth connection will be only available on Bluetooth and LG TV functions. (Refer to the 21 pages.)

Using BLUETOOTH® technology

About Bluetooth
Bluetooth is a wireless communication technology for short-range connections.
The sound may be interrupted when the connection is interfered with by the other electronic wave or you connect the Bluetooth in the other rooms.
Connecting individual devices under Bluetooth wireless technology does not incur any charges.
A mobile phone with Bluetooth wireless technology can be operated via the Cascade if the connection was made via Bluetooth wireless technology.

• Available Devices: Smartphone, MP3 player, Notebook, etc.
• Version: 4.0
• Codec: SBC

Bluetooth Profiles
In order to use Bluetooth wireless technology, devices must be able to interpret certain profiles. This unit is compatible with the following profile. A2DP (Advanced Audio Distribution Profile)

Listening to music stored on the Bluetooth devices

Pairing your unit and Bluetooth device Before you start the pairing procedure, make sure the Bluetooth feature is turned on in your Bluetooth device. Refer to your Bluetooth device’s user guide. Once a pairing operation is performed, it does not need to be performed again.

1. Select the input source to Bluetooth by pressing the F button on the remote control or unit repeatedly. – Bluetooth LED will blink.
2. Operate the Bluetooth device and perform the pairing operation. When searching for this unit with the Bluetooth device, a list of the devices found may appear in the Bluetooth device display depending on the type of Bluetooth device. Your unit appears as “LG SJ3 (XX)”.
   Note
   • XX means the last two digits of the Bluetooth address. For example, if your unit has a Bluetooth address such as 9C:02:98:4A: F7:08, you will see “LG SJ3 (08)” on your Bluetooth device.
   • Depending on the Bluetooth device type, some devices have a different pairing way. Enter the PIN code (0000) as needed.
3. When this unit is successfully connected to your Bluetooth device, Bluetooth LED will turn on.
4. Listen to music.
   To play music stored on your Bluetooth device, refer to your Bluetooth device’s user guide.

Note

• When using Bluetooth technology, you have to make a connection between the unit and the Bluetooth device as close as possible and keep the distance.
  However, it may not work well in the cases below:
  – There is an obstacle between the unit and the Bluetooth device.
  – There is a device using the same frequency with Bluetooth technology such as medical equipment, a microwave, or a wireless LAN device.
• You should connect your Bluetooth device to this unit again when you restart it.
• The sound may be interrupted when the connection is interfered with by the other electronic wave.
• You may not control the Bluetooth device with this unit.
• Pairing is limited to one Bluetooth device per unit and multi-pairing is not supported.
• Depending on the type of device, you may not be able to use the Bluetooth function.
• You can enjoy Bluetooth function using Smartphone, MP3 player, Notebook, etc.
• The more distance between the unit and the Bluetooth device, the lower the sound quality becomes.
• The Bluetooth connection will be disconnected when the unit is turned off or the Bluetooth device gets far from the unit.
• When the Bluetooth connection is disconnected, connect the Bluetooth device to the unit again.
• When the unit is not connected to a Bluetooth device, Bluetooth LED will blink.
• When you connect a Bluetooth device (iOS device etc.) to this unit or operate the device, the volume level can be synchronized between the two devices.
• You can control a Bluetooth device using / (Skip) and (Play/Pause) buttons on the remote control.

BLUETOOTH connection lock (BT lock)
You can limit Bluetooth connection to only Bluetooth and LG TV functions to prevent unintended Bluetooth connection.
Press and hold AUTO POWER ON on the remote control for about 2 seconds to turn on this function in the Bluetooth function.
To turn off this function, press and hold AUTO POWER OFF on the remote control for about 2 seconds.

Note
Even if you set up a Bluetooth connection lock to On, this soundbar turns on by the Auto Power function. Turn off the Auto Power function to prevent it.

Using BLUETOOTH App

Note

• Only Android OS is available to use the “LG Sound Bar” app with this unit.
• Additional data charges may apply according to your internet environment or mobile plan.

About the “LG Sound Bar” App
“LG Sound Bar” app brings a suite of new features to this unit.
To enjoy more features, you are recommended to download and install the free “LG Sound Bar” app.

Install the “LG Sound Bar” App onto Your BLUETOOTH Device

There are two ways to install the “LG Sound Bar” app onto your Bluetooth device.

Install “LG Sound Bar” App through QR code

1. Install the “LG Sound Bar” app through QR code. Use the scanning software to scan the QR code.
   

   https://play.google.com/store/apps/details?id=com.lge.media.lgsoundbar

2. Tap an icon for installation.

Note

• Make sure that your Bluetooth device is connected to the Internet.
• Make sure that your Bluetooth device has a scanning software application. If you don’t have one, download one from “Google Android Market (Google Play Store)”.
• Depending on the area, QR code may not work.

Install the “LG Sound Bar” App through “Google Android Market (Google Play Store)”

1. Tap the “Google Android Market (Google Play Store)” icon.
2. In the search bar, type in the “LG Sound Bar” and search it.
3. In the search result list, find and tap “LG Sound Bar” to start downloading the Bluetooth app.

Note

• Make sure that your Bluetooth device is connected to the Internet.
• Make sure that your Bluetooth device is equipped with “Google Android Market (Google Play Store)”.

Activate BLUETOOTH with the “LG Sound Bar” App

“LG Sound Bar” app helps to connect your Bluetooth device to this unit.

1. Tap the “LG Sound Bar” app icon on the home screen to open the “LG Sound Bar” app, and go to the main menu.
2. If you want to get more information to operate, tap [Setting] and tap the [Help] menu.

Note

• “LG Sound Bar” app will be available in the software version as follow;
  – Android O/S: Ver 5.0 (or later) y If you use the “LG Sound Bar” app for operation, there would be some differences between the “LG Sound Bar” app and the supplied remote control. Use the supplied remote control as necessary.
• Depending on the Bluetooth device, the “LG Sound Bar” app may not work.
• After connection with the “LG Sound Bar” app, music may be output from your device. In this case, try connecting the procedure again.
• If you operate the other applications or change the settings on your Bluetooth device while using the “LG Sound Bar” app, the “LG Sound Bar” app may operate abnormally.
• When the “LG Sound Bar” app operates abnormally, check your Bluetooth device and the connection of the “LG Sound Bar” app and then try to connect again.
• Depending on the smartphone’s operating system, you have some differences in the “LG Sound Bar” operation.
• Even though the Bluetooth connection will be disconnected, you can use the “LG Sound Bar” app when you change the function.
• Additional features offered by the “LG Sound Bar” app may not work depending on the distance between this unit and the Bluetooth device and wireless conditions.

Sound adjustment

Setting the surround mode

This system has a number of pre-set surround sound fields. You can select the desired sound mode by using each sound mode button.

Sound effect	Description
ASC (Adaptive Sound Control)	Analyzes the property of input sound and provides the sound optimized for the content in real-time.
STANDARD	You can enjoy optimized sound.
CINEMA	You can enjoy more immersive and cinematic surround sound.

Note

• In some of the sound effect modes, in some speakers, there’s no sound or low sound. It depends on the mode of sound and the source of audio, it is not defective.
• You may need to reset the sound effect mode, after switching the input, sometimes even after the sound file changes.

Adjust the woofer level settings

You can adjust the sound level of the woofer by pressing the WOOFER LEVEL +/- button.

Note
When the subwoofer level reaches maximum or minimum, the standby LED (Red) on the main unit turns on for 2 seconds.

Night mode
This function is useful when you want to watch movies at low volume late at night. Set Night mode to On to reduce the sound intensity and improve fineness and softness.
Press the NIGHT ON/OFF button to turn on or off night mode.

Troubleshooting

General

PROBLEM	CAUSE & CORRECTION
The unit does not work properly.	• Turn off the power of this unit and the connected external device (TV, Woofer, DVD player, Amplifier, etc.) and turn them on again. • Disconnect the power cord of this unit and the connected external device (TV, Woofer, DVD player, Amplifier, etc.) and then try connecting again. • The previous setting may not be saved when the device’s power is shut off.
No Power	• The power cord is unplugged. Plugin the power cord. • Check whether the electricity failed. Check the condition by operating other electronic devices.
No sound	• Incorrect input source is selected. Check the input source and select the correct input source. • The mute function is activated. Press  (Mute) or adjust the volume level to cancel the mute function. • When you are using a connection with an external device (set-top box, Bluetooth device, etc.), adjust volume level of the device.
No woofer sound	• The power cord of the woofer is not connected. Plug the power cord into the wall outlet securely. • Pairing between the unit and woofer gets disconnected. Connect the unit and woofer. (Refer to page 11.)
The remote control does not work properly.	• The remote control is too far from the unit. Operate the remote control within about 7 m. • There is an obstacle in the path of the remote control and the unit. Remove the obstacle. • The batteries in the remote control are exhausted. Replace the batteries with a new ones.
The AUTO POWER function does not work.	• Check connection of the external device such as TV, DVD/Blu-Ray player, or Bluetooth device. • Depending on the connected device, this function may not operate.
LG Sound Sync does not work.	• Check whether your LG TV supports LG Sound Sync. • Check connection of LG Sound Sync (Optical or wireless). • Check the sound setting of your TV and this unit.
The unit does not connect with a Bluetooth device	• Turn off the Bluetooth connection lock function. (Refer to page 21.)
When you feel the output sound of the unit is low.	Check the details below and adjust the unit according to them. • Change the Audio DRC setting on the connected device setup menu to [OFF] state. • With the soundbar connected with the TV, change the AUDIO DIGITAL OUT setting on the TV Setup Menu from [PCM] to [AUTO] or [BITSTREAM]. • With the sound bar connected with Player, change the AUDIO DIGITAL OUT setting on Player Setup Menu from [PCM] to [PRIMARY PASS-THROUGH] or [BITSTREAM] • Make sure Night Mode is not On. Turn [OFF] Night Mode.

NOTES to use wireless

PROBLEM	CAUSE & CORRECTION
This device may have wireless interference.	• Wireless may not operate normally in the weak signal area. • Please install the device close enough to the wireless subwoofer. • Do not install the device on metal furniture for optimum performance.
Bluetooth devices may malfunction or make noise in the following cases.	• When any part of your body contacts the transceiver of the Bluetooth device or soundbar. • When there is an obstacle or wall or the device is installed in a secluded spot. • When there is a device(a wireless LAN, medical equipment, or a microwave) using the same frequency, make the distance between the products as far away as possible from each other. • When to connecting the device to the Bluetooth device, make the distance between the products as close as possible to each other. • When the device gets too far from the Bluetooth device, the connection is disconnected, and also malfunction may occur.

NOTES to release Demo mode

PROBLEM	CAUSE & CORRECTION
Can not change input source with F buttons such as BT (Bluetooth) etc. and All the function LEDs are turned on.	• Unplug the power cord and plug it in again. If that doesn’t work, press and hold F button (About 15 seconds) on the main unit until the function LED indicates the currently selected function.
Remote Control does not work. (No response)

Appendix

Trademarks and licenses

All other trademarks are trademarks of their respective owners.

Manufactured under license from Dolby Laboratories. Dolby, Dolby Audio, and the double-D symbol are trademarks of Dolby Laboratories.

For DTS patents, see http://patents.dts.com. Manufactured under license from DTS Licensing Limited. DTS, the Symbol, & DTS, and the Symbol together are registered trademarks, and DTS Digital Surround is a trademark of DTS, Inc. © DTS, Inc. All Rights Reserved.

The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by LG Electronics is under license.
Other trademarks and trade names are those of their respective owners.

Specifications

General
Power requirements	Refer to the main label.
Power consumption	Refer to the main label.
	Networked standby: 0.5 W (If all network ports are activated.)
Dimensions (W x H x D)	Approx. 950 mm x 71 mm x 47 mm
Operating temperature	5 °C to 35 °C
Operating humidity	5 % to 90 %
Bus Power Supply	5 V 0 500 mA
Available Digital Input Audio Sampling Frequency	32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
Available Digital Input Audio format	Dolby Audio, DTS Digital Surround, PCM

Inputs
OPTICAL IN (Digital audio in)	3 V (p-p), Optical jack x 1
PORT. IN (Portable in)	0.32 Vrms (3.5 mm stereo jack) x 1

Amplifier (RMS Output power)
Total	300 W RMS
Front	50 W RMS x 2 (4 W at 1 kHz, 10% THD)
Subwoofer	200 W RMS (3 W at 80 Hz, 10% THD)

Wireless subwoofer
Power requirements	Refer to the main label on the subwoofer.
Power consumption	Refer to the main label on the subwoofer.
Type	1 Way 1 Speaker
Impedance	3 Ω
Rated Input Power	200 W RMS
Max. Input Power	400 W RMS
Dimensions (W x H x D)	Approx. 171 mm x 320 mm x 252 mm

• Designs and specifications are subject to change without prior notice.

Maintenance

Handling the unit

When shipping the unit
Please save the original shipping carton and packing materials. If you need to ship the unit, for maximum protection, re-pack the unit as it was originally packed at the factory.

Keeping the exterior surfaces clean

• Do not use volatile liquids such as insecticide spray near the unit.
• Wiping with strong pressure may damage the surface.
• Do not leave rubber or plastic products in contact with the unit for a long period of time.

Cleaning the unit
To clean the player, use a soft, dry cloth. If the surfaces are extremely dirty, use a soft cloth lightly moistened with a mild detergent solution. Do not use strong solvents such as alcohol, benzine, or thinner, as these might damage the surface of the unit.