LG GX (GX, SPN5-W) Wireless Sound Bar Owner’s Manual

GX (GX, SPN5-W) Wireless Sound Bar

OWNER’S MANUAL
Wireless Sound Bar
Please read this manual carefully before operating your set and retain it for future reference.
MODEL GX (GX, SPN5-W)

2104_Rev04

www.lg.com
Copyright © 2020-2021 LG Electronics Inc. All Rights Reserved.

2 Getting Started

Getting Started

Safety Information

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

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

NOTICE: For safety marking information including product identification and supply ratings, please refer to the main label on the bottom or the other surface of the product.
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.

This lightning flash with 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
HAZARD, DO NOT EXPOSE THIS PRODUCT TO RAIN
OR MOISTURE.
WARNING: Do not install this equipment in a confined space such as a book case or similar unit.

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 authorised service centre. 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.
CAUTION: Be careful to make sure children do not put their hands or any objects into the *speaker duct.
* speaker duct: A hole for plentiful bass sound on speaker cabinet. (enclosure)

CAUTION: Do not use high voltage products around this product. (ex. Electrical swatter) This product may malfunction due to electrical shock.

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.

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 and to ensure reliable operation of the product and to protect it from over heating. The openings should never be blocked by placing the product on a bed, sofa, rug or other similar surface. This product shall not be placed in a builtin installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer’s instruction has been adhered to.

CAUTION: No naked flame sources, such as lighted candles, should be placed on the apparatus.

Getting Started 3

Getting Started

CAUTION: Only use the AC adapter supplied with

OPEN SOURCE SOFTWARE NOTICE

this device. Do not use a power supply from another device or another manufacturer. Using any other

INFORMATION

power cable or power supply may cause damage to

To obtain the source code under GPL, LGPL, MPL, and

the device and void your warranty.

other open source licenses, that is contained in this product, please visit http://opensource.lge.com.

Symbols
~ Refers to alternating current (AC).

In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download.

0 Refers to direct current (DC). Refers to class II equipment.
1 Refers to stand-by.

LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing such distribution (such as the cost of media, shipping, and handling) upon email request to

! Refers to “ON” (power). Refers to dangerous voltage.

This offer is valid for a period of three years after our last shipment of this product. This offer is valid to anyone in receipt of this information.

4 Table of Contents
Table of Contents
1 Getting Started
2 Safety Information 6 Introduction 7 Front panel 8 Rear panel 9 Remote control 12 Speakers position 13 Installing the sound bar 14 Mounting the main unit on a wall

2 Connecting
19 Organising cables 19 Connecting the AC Adapter 20 Wireless subwoofer and rear speaker (Sold
Separately) connection 20 Wireless subwoofer connection 21 Rear speakers connection (Sold
Separately) 22 Surround sound 25 How to Affix the Ferrite Core 26 Connecting to your TV 26 Using an OPTICAL cable 26 LG Sound Sync 28 Using an HDMI cable 28 ARC (Audio Return Channel) function 28 eARC (Enhanced Audio Return Channel)
function 29 What is SIMPLINK? 30 Additional information for HDMI 31 Optional equipment connection 31 DOLBY ATMOS® 31 DTS:X® 32 HDMI IN connection 32 OPTICAL IN connection 33 USB connection 33 Compatible USB devices 33 USB device requirement 34 Playable file

Table of Contents 5

3 Operating

1 4 Troubleshooting

35 Basic operations

43 Troubleshooting

35 USB operation

43 General

36 Other operations

44 NOTES to use wireless

36 Using your TV remote control

45 NOTES to release Demo mode

37 AUTO POWER On/Off

38 Auto function change 38 Quick Start

5 Appendix

39 Using a BLUETOOTH Wireless Technology

46 Trademarks and licenses

39 About Bluetooth

47 Specifications

39 Bluetooth profiles

49 Handling the unit

39 Listening to Music of a Bluetooth Device

41 Controls connected Bluetooth device

41 Bluetooth connection lock (BT LOCK)

41 Using BLUETOOTH App

41 Install “LG Sound Bar” App onto Your

BLUETOOTH Device

42 Activate BLUETOOTH with “LG Sound Bar”

App

6 Getting Started
Introduction
1 Symbol used in this manual
, Note
Indicates special notes and operating features.
> Caution
Indicates cautions for preventing possible damages from abuse.

Getting Started

Front panel

Getting Started 7
1

Getting Started

1 (Standby) – Switches the unit ON or OFF.
F (Function) – Select the function and input source by pressing F repeatedly.

Input source / Function

Display

Optical

ARC

e-ARC

LG Sound Sync (Wired)

OPT/HDMI ARC

Bluetooth LG Sound Sync (Wireless)

BT LG TV

HDMI IN

HDMI

USB

o/p (Volume) – Adjusts volume level.
B Remote sensor
Display Window C – Display window will be darkened automatically if there is no key input for 15 seconds.
When you press any button, the display window will brighten.

, This unit will turn itself off to save electric consumption when the main unit is not connected to an external device and is not used for 15 minutes.

8 Getting Started
Rear panel
1

Getting Started

DC IN – Connect to the AC adapter.

USB Port – Connect USB memory device to the USB port on the right side of the unit.

OPTICAL IN – Connect the OPTICAL IN jack on the back of the unit to OPTICAL OUT jack on the TV.

HDMI IN
D – Connect HDMI IN jack on the back of the unit to HDMI OUT jack on the external device. You can enjoy the sound and picture from HDMI connection on an external device.

HDMI OUT (TV eARC/ARC) – Connect the HDMI OUT (TV eARC/ARC) jack on the back of the unit to ARC jack on the TV.

Remote control

Getting Started 9

Replacement of Battery

Remove the battery cover on the rear of the remote control, and insert the battery with 4 and 5 matched correctly.

Risk of fire or explosion if the battery is replaced by an incorrect type.

Getting Started

1 (Standby) a – Switches the unit ON or OFF.
VOL (Volume) o/p b – Adjusts speaker volume.
C/V (Skip/Search) c – Press C or V to go to next or previous file.
– Press and hold C or V during playback and release it at the point you want.
N (Play/Pause) – Starts playback. / Pauses playback. d y BT (Bluetooth) connection Lock: It allows you to connect a Bluetooth device only on Bluetooth
and LG TV functions. (Page 41) To turn on or off the Bluetooth connection lock, press and hold N for about 3 seconds and press it again in BT (Bluetooth) function.

10 Getting Started

Getting Started

SOUND EFFECT – Selects a sound effect mode by using SOUND EFFECT.

On Display

AI SOUND PRO

Description
Analyses the property of the input sound and provides the sound optimised for the content in real time.

BASS BLAST or BASS BLAST+ Reinforces the bass and powerful sound.

STANDARD

You can enjoy optimised sound.

MOVIE

You can enjoy more immersive and cinematic surround sound.

MUSIC

You can enjoy more good sound for music source.

, When this unit detects DOLBY ATMOS or DTS:X stream, you cannot change sound effect to any

other. In this case, even though you press SOUND EFFECT, this unit does not respond. And you can

see only “NOT SUPPORTED” on the display window.

, When this unit detecs DTS stream in MOIVE mode, it plays stream using DTS Virtual:X Technology.

y TV remote: It allows you to control the volume of this unit by your TV remote control even by other company’s product. (Page 36) To turn on or off the TV Remote function, press and hold SOUND EFFECT for about 3 seconds and
press it again.

, Supported TV brands

LG Panasonic Philips Samsung Sharp

Sony Toshiba Vizio

(Sound tuning)
– Adjusts sound level of each speaker. Select the speaker you want to adjust by using and adjust the sound level by using VOL o/p.
, Adjusting rear speakers level is applied only when the rear speakers are connected. , See the page 12 for more information of speakers.

Display

TRE

BAS

Description Sub Woofer
Centre Rear Treble Bass

Range -15 ~ 6 -6 ~ 6 -6 ~ 6 -5 ~ 5 -5 ~ 5

y Surround sound: It allows you to enjoy surround sound with rear speakers. (Page 22) To turn on or off the surround sound, press and hold for about 3 seconds and press it again.
F (Function) g – Select the function and input source by pressing F repeatedly.
[ (Mute) h – Press [ to mute your unit. To cancel it, press [ again.

Getting Started 11

Getting Started

J (Information)

– You can display various information of the input source by pressing J.

– OPT (Optical)/ARC/E-ARC/HDMI (HDMI IN): Audio format

– BT (Bluetooth): Connected Bluetooth device name

– USB: File information contained on a USB.

y Auto Power ON/OFF: It allows the unit to turn on and off automatically by input signals: Optical, LG TV or Bluetooth (Page 37)
To turn on or off AUTO POWER function, press and hold J for about 3 seconds and press it again.

REPEAT j – Press REPEAT to select desired repeat or random mode.

FOLDER W/S k – Searches a folder on USB device.

Getting Started

12 Getting Started
Speakers position
1

a Centre speaker b Front speakers c Subwoofer d Rear speakers

, You can enjoy surround sound by using Wireless Rear Speaker kit. Wireless Rear Speakers Kit sold separately (SPK8-S).

Installing the sound bar
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. (Pages 26 – 32)
You can place the wireless subwoofer anywhere in your room. But it is better to place the subwoofer near the main unit. Turn it slightly toward the centre of the room to reduce the wall reflections.
For the best surround sound, place the speakers as shown below.

Getting Started 13

> Caution

y 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.

y Be careful not to make scratches on the surface of the Unit /Subwoofer when
installing or moving them.

Getting Started

, Note
y If the sound bar covers the remote sensor of the TV, please separate distance between the sound bar and TV by 10 ~ 15 cm or more.
y The illustration above may differ from actual units.
y You can enjoy surround sound by using Wireless Rear Speaker kit. Wireless Rear Speakers Kit sold separately (SPK8-S).

Getting Started

14 Getting Started

Mounting the main unit on a wall

y When an infant or small child swallows the enclosed accessories, various safety accidents
such as choking may occur. Keep the enclosed
accessories out of the reach of infants and

You can mount the main unit on a wall.

children. y When tightening screws, tighten until fully snug.

Install the wall mount bracket on a solid wall

Avoid using excessive force when tightening

perpendicular to the floor.

the screws. Doing so may damage the wall and

If you are attaching the unit to other building

product or reduce the rigidity or performance of

materials, please contact qualified personnel to install

the product.

the wall mount. Only use the wall mount bracket supplied with this unit. Attach the cables to the unit first, then attach the

y Avoid installing the unit that exceeds the specified tensile load, and do not allow any external force to
be applied to the product.

unit to the mount.

y Avoid accidents by using work tools with care

during installation.

y Because it is difficult to make a connection after installing this unit, you should connect the cables
before installation.

Before Installation
y Do not use the wall mount bracket for any purpose other than installing the sound bar on a wall.
y Immediately discontinue installation and contact the service center if you cannot fully understand the installation process. Use a professional installer if any installation issues remain after the inquiry.
y Installation of this product on concrete wall is recommanded. Installation of this product on other surfaces (Wood Stud, dry wall, plywood, bricks, etc.) is not recommanded. Improper installation may result in the product falling.
y Install the product only on a vertical wall. Do not install on a tilted wall that exceeds building standards or on the heavily titled wall or ceiling. LG is not responsible for problems caused by improper installation of the product, e.g., heavily tilted walls
and ceilings.
y Check the enclosed accessories before installation. We are not responsible for any lost or damaged accessories after the inner packaging is opened.

Getting Started

Preparation materials
Unit Wall bracket install guide
Wall bracket

Getting Started 15
4. Fix the brackets with screws as shown in the illustration below. For more information of fixing the screws, refer to the page 16.
1

Screws Wall plug

5. Fix the hooks of the unit on the brackets as shown below.

1. Match the TV’s BOTTOM EDGE of Wall bracket install guide with the bottom of TV and attach to the position.

, Note
To detach the unit, perform it in reverse order.

2. When you mount it on a wall (concrete), use the wall plugs. You should drill some holes. A guide sheet (Wall bracket install guide) is supplied to drill. Use the sheet to check the point to drill.

3. Remove the Wall bracket install guide.

16 Getting Started

How to fix anchors and screws

(For installation on concrete wall)

1. Drill holes in anchor locations with a drill bit of

Ø 6 mm to a depth of 40 mm to 45 mm.

5. Tighten screws for fixing the wall mount to the holes. At this time, tighten the screws to a torque 12 kgf/cm 1

2. Clean the drilled holes.

Wall mounting screw

Getting Started

3. Insert the enclosed anchors for fixing the wall mount into the holes. (Use a hammer when inserting anchors.)

Wall mounting anchor
4. Push the wall mount support closely toward the wall to match the hole locations.

> Caution
y When you mount the unit on the wall, fix it carefully so as not to drop.
y Do not install this product on a wall if it could be exposed to oil or oil mist. This may damage the product and cause it to fall.
y Professional installers should read this manual carefully to ensure proper installation.
y Professional installers should forward this manual to customers after installation and encourage them to read and store it in a convenient place for future reference.
y After reading the installation manual, keep it in a convenient place for future reference.
y Ask a professional installer appointed by the store for installation of the product. Installation by someone other than a professional installer is extremely dangerous and may result in personal injury.
y Do not install the product in an unstable site that cannot withstand its weight. If the installation site lacks sufficient rigidity, the product may fall and cause personal injury.
y Contact a professional installer appointed by the store prior to moving or replacing the product after installation. Installation is a technical task and safety issues may arise if an individual attempts to install or move the product personally.
y Do not hang on the product or subject it to severe impact after installation. Doing so may cause the product to fall and cause personal injury.
y When installing the product on a wall, do not hang the power line or signal cables from the back of the unit. This can damage the cords, resulting in a fire, electrical shock or malfunction of the product.

Getting Started 17

> Caution

y Install the product according to the

instructions in the installation manual.

Failure to install the product according to the

instructions in the installation manual can

result in serious personal injury or product

damage.

y Be sure to have at least two people when installing the product or adjusting the product’s height. Attempting to perform installation or adjustments personally may result in personal injury or damage to the product.

y Make sure a wall is available prior to proceeding with installation. Make use of the anchors and screws provided with the product. Use of any unauthorized anchors or screws may not support the product’s weight, which poses safety risks.

y When drilling in the wall for installation, be sure to use drill bits and drills of the specified diameter. Follow the instructions for the hole depth. Drilling and installing the product in ways other than specified in the installation manual may result in an unstable installation and potential safety issues.

y Do not wipe the product with a wet towel or use any heating equipment or humidifier under the place where the product is installed. Liquid water or vapor may enter the product and excessive heat may cause fire, electric shock, or malfunction.

y Do not install the product near a fire sprinkler or detector, a place where vibration or shock
may occur or near a highvoltage wire or
power source.

y Unplug the product’s power cord from the wall outlet before installing. Installing the
product while the power cord is plugged in
may result in electric shock or fire.

Getting Started

18 Getting Started

> Caution

y Do not install the product with bare hands.

Be sure to wear work gloves. Attempting

installation without work gloves may cause

personal injury.

y Do not install this unit upside down. It can damage the parts of this unit or be the cause
of personal injury.

y Do not hang onto the installed unit and avoid any impact to the unit.

y Secure the unit firmly to the wall so that it does not fall off. If the unit falls off, it may
result in an injury or damage to the product.

y When the unit is installed on a wall, please make sure that a child does not pull any of
connecting cables, as it may cause it to fall.

Installing the stand
Fix the hooks of the unit on the stands as shown below.
, Note
When installing the sound bar with a stand, install it so that it does not cover the TV’s remote sensor or screen.

Organising cables
You can organise the cable with cable ties.
, Note
y After all connections are completed, you can arrange cables as needed.
y We recommend to use the HDMI cable supplied with this unit. If another HDMI cable is used, it may not be possible to arrange it with this unit.

Connecting 19

Connecting the AC Adapter

Connect the unit to the power supply with the supplied AC adapter.

1. Connect the supplied AC power cord to the AC

adapter.

2. Connect the AC adapter cable to DC IN adapter

input.

3. Plug the AC power cord into an AC outlet.

Connecting

> Caution
Only use the AC adapter supplied with this device. Do not use a power supply from another device or manufacturer. Using any other power cable or power supply may cause damage to the device and void your warranty.

20 Connecting

Connecting

Wireless subwoofer and rear speaker (Sold Separately) connection
Wireless subwoofer connection
2 LED indicator of wireless subwoofer

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

LED Color Green (Blink) Green Red
Off (No display)

Status
The connection is trying.
The connection is completed.
The wireless subwoofer is in standby mode or the connection is failed. The power cord of wireless subwoofer is disconnected.

Setting up the wireless subwoofer for
the first time
1. Connect the power cord of the sound bar and the wireless subwoofer to the outlet.
2. Turn on the sound bar. The sound bar and the wireless subwoofer will be automatically connected. – Green LED on the rear of wireless subwoofer turns on.

– The green LED on the rear of the wireless subwoofer blinks quickly. (If the green LED does not blink, press and hold the PAIRING.)
2. Turn on the sound bar. – Pairing is completed. The green LED on the rear of the wireless subwoofer turns on.

, Note
y It takes a few seconds (and may take longer) for the main unit and the subwoofer to communicate with each other and make sounds.
y The closer the main unit and the subwoofer, the better 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 same frequency with this wireless connection such as a medical equipment, a microwave or a wireless LAN device.
– Keep the sound bar and the subwoofer away from the device (ex. wireless router, microwave oven, etc.) over 1 m to prevent wireless interference.

Connecting 21
Rear speakers connection (Sold Separately)
Connecting the rear speakers
1. Connect the black stripe wire to the terminal marked – (minus) and the other end to the terminal marked + (plus).
2

!1 m

Connecting

2. Connect the wireless receiver and the rear speakers (left, right) with the speaker cables.

Color Blue

Position Rear left

Grey

Rear right

, Note
You need to purchase the wireless rear speakers kit (SPK8-S) to enjoy surround sound.

22 Connecting

Connecting

> Caution
y Use the speaker supplied with this unit only. Using any other speaker may cause malfunction.
y Be sure to match the speaker cable to the appropriate terminal on the components: + to + and to . If the cables are reversed, the sound will be distorted and will lack bass.

Manually pairing wireless receiver
When your connection is not completed, you can see the red LED on the wireless receiver and rear speakers are not made sound. To solve the problem, follow the below steps.
1. Press PAIRING on the rear of the wireless receiver.

2 LED indicator of wireless receiver

LED Color

Status

Yellow – green (Blink)

The connection is trying.

Yellow – green The connection is completed.

Red

The wireless receiver is in standby

mode or the connection is failed.

Off (No display)

The power cord of wireless receiver is disconnected.

Setting up the wireless receiver for the
first time
1. Connect the power cord to the wireless receiver to the outlet.
2. Turn on the main unit: The sound bar and wireless receiver will be automatically connected. – Yellow – green LED on the wireless receiver turns on.

– The yellow – green LED on the wireless receiver blinks quickly.
2. Turn on the main unit – Paring is completed. The yellow – green LED on the wireless receiver turns on.
Surround sound
You can enjoy magnificent surround sound for all the input sound source with rear speakers.
If you turn on the surround function, the whole speaker outputs sound. When you turn off the surround function, the speakers output sound as an original input sound channel.
To turn on surround function, press and hold on the remote control for about 3 seconds and press it once again while “OFF – SURROUND” is scrolled.
To turn off surround function, press and hold on the remote control for about 3 seconds and press it once again while “ON – SURROUND” is scrolled.

Surround function ON

Sound Effect AI SOUND PRO
BASS BLAST or
BASS BLAST+
STANDARD
MOVIE
MUSIC

Input 2.0 Ch 5.1 Ch 7.1 Ch or more 2.0 Ch 5.1 Ch 7.1 Ch or more 2.0 Ch 5.1 Ch 7.1 Ch or more 2.0 Ch 5.1 Ch 7.1 Ch or more 2.0 Ch 5.1 Ch 7.1 Ch or more

Connecting 23

Output

No rear speakers

Rear speakers connected

Connecting

24 Connecting

Surround function OFF

Sound Effect

Input

2.0 Ch

AI SOUND PRO
2

5.1 Ch

7.1 Ch or more

BASS BLAST or
BASS BLAST+

2.0 Ch 5.1 Ch 7.1 Ch or more

2.0 Ch

STANDARD

5.1 Ch 7.1 Ch or more
2.0 Ch

MOVIE

5.1 Ch 7.1 Ch or more

2.0 Ch

MUSIC

5.1 Ch 7.1 Ch or more

Output

No rear speakers

Rear speakers connected

Connecting

How to Affix the Ferrite Core
Ferrite core may not be provided depending on each nation’s regulations.
Affix the Ferrite Core for speaker cables
You must affix a ferrite core in order to reduce or eliminate electrical interference.
1. Pull the stopper [a] of the ferrite core to open. 2. Wind the speaker cables around the ferrite core
twice. 3. Close the ferrite core until it clicks.

Connecting 25

, Note

y If there is a strong electromagnetic wave product nearby, interference may occur. Put
the main unit and wireless receiver away from

there.

y The wireless receiver will automatically switch

to standby mode in a few minutes after the

sound bar is turned off.

When the wireless receIver is in standby

mode, the LED will turn on in red.

y When you turn on the sound bar, the wireless

receiver will turn on and the LED will change

to yellow – green and then the rear speakers

makes sound within a few seconds.

y It takes a few seconds (and may take longer) for the main unit and Wireless Receiver to
communicate with each other.

y Use the rear speaker at least 30 cm away from either TV screen or PC monitor.

y When the wireless receiver is being connected or disconnected with the main
unit, output sound may be interrupted.

y Set the distance between the sound bar and the wireless receiver as close as possible and
keep them away from the device (ex. wireless
router, microwave oven, etc.) over 1 m to
prevent wireless interference.

1 m
!

26 Connecting

Connecting

Connecting to your TV LG Sound Sync

Please connect with this unit and TV using the optical digital cable or HDMI cable considering the state of

the TV.

Using an OPTICAL cable

1. Connect the OPTICAL IN jack on the back of the unit to OPTICAL OUT jack on the TV using an

OPTICAL cable.

You can control some functions of this unit by your TV’s remote control with LG Sound Sync. It is compatible with the LG TV that is supported 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

Make one of the following connections, depending on the capabilities of your equipment.
, Note

Optical cable

y You can also use the remote control of this unit while using LG Sound Sync. If you use TV’s remote control again, the unit synchronises with the TV. According to TV Specifications, the volume and mute of this unit synchronise with TV.

2. Select the input source to OPT/HDMI ARC by
pressing F repeatedly.
You can see “OPT” on the display window if connecting normally between this unit and your
TV.
, Note
y Before connecting the optical cable, be sure to remove the protection plug cover if your cable has the cover.
y 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.)

y When the connection fails, make sure of the condition of the TV and power.
y 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 the function to the others.
– Disconnecting the optical cable.
– Disconnecting the wireless connection caused by interference or a distance.
y The amount of time to turn off this unit is different depending on your TV when you set AUTO POWER function to ON.

y If this unit is connected by OPTICAL and ARC

at the same time, the ARC signal has a higher priority.

Connecting 27

Connecting

LG Sound Sync with wired connection LG Sound Sync with wireless

1. Connect your LG TV to the unit by using an optical cable.

connection
1. Turn on the unit by pressing 1.

2. Select the LG TV function by pressing F

repeatedly.

3. Set up the sound output of TV to listen to the

Optical

sound through this unit:

cable

“PAIRED” appears on the display window for

about 3 seconds and then you can see “LG TV”

on the display window if connecting normally

between this unit and your TV.

(Refer to the TV’s instruction manual for the

2. Set up the sound output of TV to listen to the sound through this unit:

details of LG Sound Sync.)
, Note

(Refer to the TV’s instruction manual for the

If you turned off the unit directly by pressing

details of LG Sound Sync.)

1 (Power), LG Sound Sync (Wireless) will be

3. Turn on the unit by pressing 1.

disconnected.

4. Select the input source to OPT/HDMI ARC by

pressing F repeatedly.

You can see “LGOPT” on the display window if connecting normally between this unit and your

TV.

28 Connecting

Connecting

Using an HDMI cable
If you connect this unit to a TV that supports HDMI CEC and ARC (Audio Return Channel), you can enjoy the TV audio through the speakers of this unit without connecting the optical cable.

ARC (Audio Return Channel) function
The ARC function enables an HDMI capable TV to send the audio stream to HDMI OUT of the unit.

1. Connect the HDMI OUT (TV eARC/ARC) jack on the back of the unit to ARC jack on the TV using an HDMI cable.
2
HDMI cable

eARC (Enhanced Audio Return
Channel) function
eARC (Enhanced Audio Return Channel) features an advancement over the existing ARC (Audio Return Channel) and supports the latest high-bitrate audio formats such as DTS-HD Master AudioTM, DTS:X®, Dolby® TrueHD, Dolby Atmos® and more.
You can use your multiple components just by simple connection.

2. Select the input source to OPT/HDMI ARC by
pressing F repeatedly.
You can see “ARC” on the display window if connecting normally between this unit and your
TV.
, Note
y 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.)
y Depending on your LG TV model, you may need to turn on the SIMPLINK function on your LG TV.
y When you return to ARC function from another function, you need to select the input source to OPT/HDMI ARC. Then this unit changes to ARC function automatically.

Preparing to Use the eARC or ARC
Function
– Your TV must support the HDMI-CEC and eARC or ARC function and the HDMI-CEC and eARC or ARC must be set to On.
– The setting method of HDMI-CEC, eARC or ARC may differ depending on the TV. For details about eARC or ARC function, refer to your TV manual.
– You must use the certified HDMI cable. (page 30)
– You must connect the HDMI OUT on the unit with HDMI IN of the TV that supports eARC or ARC function using an HDMI cable.
– You can connect only one Sound bar to TV compatible with eARC or ARC.

What is SIMPLINK?
Some functions of this unit are controlled by the TV’s remote control when this unit and LG TV’s with SIMPLINK are connected through HDMI connection. Controllable functions by LG TV’s remote control: Power on/off, volume up/down, etc. Refer to the TV owner’s manual for the details of SIMPLINK function. LG TV’s with SIMPLINK function has the logo as shown above.
, Note
y Depending on the state of the unit, some SIMPLINK operation may differ from your purpose or not work.
y Depending on a TV or a player which is connected with this unit, SIMPLINK operation may differ from your purpose.

Connecting 29
2

Connecting

30 Connecting

Connecting

Additional information for HDMI HDMI cable Checklist

y When you connect an HDMI or DVI compatible device make sure of the following:

– Try switching off the HDMI/DVI device and this unit. Next, switch on the HDMI/DVI device and leave it for around 30 seconds, then switch on this unit.

– The connected device’s video input is set

correctly for this unit.

– The connected device is compatible with

720 x 576p (or 480p), 1280 x 720p,

Some HDMI cables have poor signal transmission, which can cause problems with sound and video transmission.
Even after HDMI cable connections, if no sound, sound interrupted, noise occurring from the sound bar and/or no video, no smooth video on your TV, the HDMI cable may be the problem.
Use the cable marked with the premium HDMI certification logo. We recommend using “High Speed HDMI Cable with Ethernet” or later version.

1920 x 1080i, 1920 x 1080p, 4096 x 2160p or 3840 x 2160p video input.
y Not all HDCP-compatible HDMI or DVI devices will

STANDARD HDMI CABLE WITH ETHERNET

(X)

(X)
HIGH SPEED HDMI CABLE

work with this unit.
– The picture will not be displayed properly with non-HDCP device.

HIGH SPEED HDMI CABLE WITH ETHERNET

(O)

Premium High Speed HDMI® Cable with Ethernet

(O)

, Note

ULTRA HIGH SPEED HDMI® CABLE

(O)

y If a connected HDMI device does not accept

the audio output of the unit, the HDMI device’s audio sound may be distorted or may not output.
y Changing the resolution when the connection has already been established may result in malfunctions. To solve the problem, turn off the unit and then turn it on again.

Connection through HDMI Cable*
Your television must support the newest HDMI features (HDMI CEC1) / ARC (Audio Return Channel)) to fully enjoy the Live broadcasting channel with audio system through an HDMI cable. Unless your TV supports these HDMI features, the audio system should be connected through an OPTICAL cable.

y When the HDMI connection with HDCP is not verified, TV screen is changed to black screen. In this case, check the HDMI connection, or disconnect the HDMI cable.
y If there are noises or lines on the screen, please check the HDMI cable (length is generally limited to 4.5 m).

1) HDMI CEC (High-Definition Multimedia Interface Consumer Electronics Control)
Consumer Electronics Control (CEC) is an HDMI feature designed to allow the user to command and control the CEC-enabled devices, that are connected through HDMI by using only one of their remote controls.

y You cannot change the video resolution in the HDMI mode. Change the video resolution of
the connected component.

* Trade names for CEC are SimpLink (LG) , Anynet+ (Samsung), BRAVIA Sync (Sony), EasyLink (Philips),
etc.

y If the video output signal is abnormal when

your personal computer is connected to HDMI

IN jack, change the resolution of your personal

computer to 576p (or 480p), 720p, 1080i or

1080p.

Optional equipment connection

Connecting 31

Connecting

DOLBY ATMOS®

What is DOLBY ATMOS®?

Dolby Atmos gives you amazing experience you’ve

never before by overhead sound, and all the richness,

clarity, and power of Dolby sound.

DTS:X®
What is DTS:X®
In the real world, sound is all around us, moving freely in any direction. DTS:X® is immersed in this natural, multi-dimensional sound experience as we go about our daily lives.
For using DOLBY ATMOS® and DTS:X®
y To enjoy content containing Dolby Atmos® and DTS:X®, the connected device and content must support Dolby Atmos® and DTS:X®.
y DOLBY ATMOS® is available only in HDMI and ARC mode.
y DTS:X® is available only in HDMI and ARC mode.
y It is needed to set up an audio output on external devices (Blu-ray disc player, TV etc.) to “No encoding” such as “Bitstream”, “Auto” or “Bypass”.
– If you can select audio output sampling rate, set it to 192 kHz.
y If your TV does not support DTS sound source, connect the playback (source) device to the HDMI IN or OPTICAL IN jack on the soundbar to listen to DTS audio.

1. Connect HDMI IN jack on the back of the unit to HDMI OUT jack on the external device such as Blu-ray disc player, DVD player, etc.
2. Connect HDMI OUT (TV eARC/ARC) jack on the back of the unit to HDMI IN (ARC) jack on the TV.
3. Select the input source to HDMI or OPT/HDMI ARC by pressing F repeatedly.
– If you select HDMI, you can hear the sound from the external device. Select it when playing the
external device.
– If you select OPT/HDMI ARC, you can hear the sound from your TV. Select it when watching
the TV.
You can see “DOLBY ATMOS” or “DTS:X” on the display window if connecting normally between this sound bar and your TV and the contents is
played.
, Note
y DOLBY ATMOS®/DTS:X® supports 3.1 channel. (5.1 channel when it connected with Rear kit)
y If the sound bar does not have sound or the video on TV is not smooth, the HDMI cable may be the problem. Refer to the HDMI cable checklist. (Page 30)

32 Connecting
HDMI IN connection
You can enjoy the sound from the external device which is connected to HDMI IN jack on this unit.

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

Connecting

2
To the Blu-ray disc player, DVD player, etc. 1. Connect HDMI IN jack on the back of the unit to HDMI OUT jack on the audio device such as Bluray disc player, DVD player, etc. 2. Select the input source to HDMI by pressing F repeatedly.

Optical cable
To the optical output jack of external device
1. Connect the OPTICAL IN jack on the back of the unit to optical out jack of your external device.
2. Select the input source to OPT/HDMI ARC by pressing F repeatedly. You can see “OPT” on the display window if connecting normally between this unit and your device.
, Note
Before connecting the optical cable, be sure to remove the protection plug cover if your cable has the cover.
> Caution
Make sure to properly align and connect the optical cable; improper alignment may cause damage to the jack.

Optical jack Optical cable Optical jack Optical cable

<O>

<X>

Connecting 33

Connecting

USB connection

USB device requirement

Connect USB memory device to the USB port on the right side of the unit.

y Devices which require additional program installation connected to a computer, are not
supported.

y Do not extract the USB device while in operation.
y For a large capacity USB, it may take longer than a few minutes to be searched.

y To prevent data loss, back up all data.

y The unit’s USB Port cannot be connected to PC.

The unit can not be used as a storage device.

For more information of playing files on a USB, refer to the page 35.

y The exFAT file system is not supported on this unit. (FAT16/FAT32/NTFS systems are available.)
y Depending on some devices, it may not available to recognise the followings on this unit.

Removing the USB Device from the unit.
1. Choose a different function/mode. 2. Remove the USB device from the unit.
Compatible USB devices
y MP3 Player: Flash type MP3 player. y USB Flash Drive: Devices that support USB 2.0. y The USB function of this unit does not support
some USB devices.

– External HDD
– Card readers – Locked devices
– Hard type USB devices – USB hub – Using USB extension cable – iPhone/iPod/iPad – Android device

Connecting

34 Connecting

Playable file

Sampling Frequency

MP3: within 32 to 48 kHz

WMA: within 32 to 48 kHz

OGG: within 32 to 48 kHz

FLAC: 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz,

176.4 kHz and 192 kHz (16 bit/ 24 bit)

WAV: 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz,

176.4 kHz and 192 kHz (16 bit/ 24 bit)

Bitrate resolution

MP3: within 80 to 320 kbps WMA: within 56 to 128 kbps OGG: within 64 to 500 kbps

y Maximum files: Up to 2,000
y Maximum directories: Up to 200
y A protected file by DRM (Digital rights management) cannot be played on the unit.
y Video files in the USB storage device can not be played.
y Depending on the performance of your USB device, playback may not work well.

, Note

y Folders and files on the USB are recognised as below.

*ROOT

: Folder : File

y If there is no file in a folder, the folder will not
appear.
y File will be played from file $A to file $J one by one.
y Files will be played in order recorded and it may be different depending on the record circumstances.
y This unit can display file or folder names that contain numbers or English characters only.
y *ROOT: The first screen you can see when this unit recognise the USB is “ROOT”.

Basic operations

USB operation

1. Connect the USB device to the USB port. 2. Select the USB function by pressing F repeatedly.

Do this

Playback

Press N on the remote control.

Pause

During playback, press N on the remote control.

Skip to the next/ previous file

During playback, press V on the remote control to go to the next file.
Playing less than 3 seconds, press C on the remote control to go to the previous file.
Playing after 3 seconds, press C on the remote control to go to the beginning of the file.

Search for a section within a
file

Press and hold C/V on the remote control during playback and release it at the point you want to listen to.

Play repeatedly or randomly

Press REPEAT on the remote control repeatedly. Refer to the note for details about the
display change.

Search a folder
Resume playback

Press FOLDER W/S on the remote control.
This unit memorises a current song which is played before changing the function or turning off the unit.

Operating 35

, Note
y The resume point may be cleared when you pull out the power cord or removing the USB device from the unit.
y Repeat/Random playback operates as follows.

On Display

Description

OFF

Plays songs on USB device

in order.

ONE

Plays a same song

repeatedly.

FOLDER

Plays songs in a folder

repeatedly.

ALL

Plays all the songs on USB

device repeatedly.

SHUFFLE

Plays all the songs once randomly, and stops the playback.

Operating

36 Operating

Other operations

How to disconnect the wireless network connection or the wireless

device

Using your TV remote control
You can control some functions of this unit by your TV remote control even by other company’s product. Controllable functions are volume up/down and mute.

Set up the AUTO POWER ON/OFF function to off and turn off the unit.

Press and hold SOUND EFFECT on the remote control for about 3 seconds. “ON – TV REMOTE” appears and you can control this unit by your TV remote control.

To check the status of this function, press and hold

SOUND EFFECT on the remote control.

To turn off this function, press and hold SOUND

EFFECT on the remote control and press it once

again while “ON – TV REMOTE” is scrolled.

, Note
y Make sure that the sound output of your TV is set to [External speaker].

y This function does not operate on LG TV’s magic remote control.

y This function may not work well when some TV control functions such as HDMI CEC,
SIMPLINK and LG Sound Sync set to ON.

y This function may not work well when the unit and the TV are connected with an HDMI
cable.

y Some remote control may not be supported.

Operating

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 recognise 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.
To turn on this function, press and hold J on the remote control for about 3 seconds and press it once again while “OFF – AUTO POWER” is scrolled.
To check the status of this function, press and hold J on the remote control.
To turn off this function, press and hold J on the remote control for about 3 seconds and press it once again while “ON – AUTO POWER” is scrolled.

Operating 37

, Note

y After the unit is turned on by AUTO POWER function, it will be automatically turned off if
there is no signal for a certain period of time
from the TV connected by LG Sound Sync
(Optical/Wireless).

y After the unit is turned on by AUTO POWER function, it will be automatically turned off if
there is no signal for a certain period of time
from the external device.

y If you turned off the unit directly, it cannot

be turned on automatically by AUTO POWER

function. However the unit can be turned on

by AUTO POWER function when optical signal

comes in after 5 seconds of no signal. y Depending on the connected device, this

function may not operate.

y If you disconnect 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.

y When you turn on this unit for the first time, status of Auto Power function is turned on.

y To use this function, the main unit must be registered in paired devices list of Bluetooth

device.

y You can set the AUTO POWER function only when this unit is turned on.

Operating

38 Operating

Operating

Auto function change

Quick Start

This unit recognise input signals such as Optical,
HDMI ARC, Bluetooth and LG TV and then changes suitable function automatically.

This unit can stay in standby mode with low power consumption, so that the unit can reduce boot time when you turn on this unit.

When optical signal comes in

To turn on this function, press 1 on the unit for 3 seconds when the unit is turned on.

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

“ON – Q. START” appears in display. To turn off this function, press 1 on the unit for 3 seconds again when the unit is turned on. “OFF – Q. START” appears in display.

When you try to connect BLUETOOTH

, Note

device

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

music on the Bluetooth device.

y If the Quick start function is set and an AC power is accidently re-connected to the unit
by power failure etc., the Quick start function
will activate when the unit is turned on and
off once.

When you turn on your TV or an
external device
When you turn on your TV or an external device connected by the optical, LG sound sync (optical or wireless) or HDMI ARC this sound bar will change to a suitable function so you can listen to the sound through it.

y When the Quick start function is set, power consumption will be higher than when the Quick start is off.
y This function may not work depending on the models.

, Note
y This unit does not change the function to optical if SIMPLINK of the connected TV, Bluray disc player, set-top box or etc. device set to on or connected CEC supported device is turned on. If you want to use the auto function change, turn off SIMPLINK function on your LG TV. It takes for about 30 seconds to turn off
SIMPLINK.

y If the Bluetooth connection lock function is set, Bluetooth connection will be only
available on Bluetooth and LG TV function.
(Page 41)

Operating 39

Using a BLUETOOTH Wireless Technology
About Bluetooth
Bluetooth is wireless communication technology for short range connection. The sound may be interrupted when the connection interfered by the other electronic wave or you connect the Bluetooth in the other rooms.

Listening to Music of a
Bluetooth Device
Before you start the pairing procedure, make sure that the Bluetooth feature on your smart device is turned on. 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 Bluetooth function by pressing F
repeatedly. Appears “BT” and then “READY” in display window.

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.
y Available Devices: Smart phone, MP3, Notebook,
etc.
y Version: 4.0

2. Operate the Bluetooth device and perform the

pairing operation. When searching for this unit

on your 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 GX(XX)”

3. Select the “LG GX(XX)”.
, Note

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

y XX means the last two digits of address. For example, if your unit has a MAC address such as 9C:02:98:4A:F7:08, you will see “LG GX(08)” on your Bluetooth
device.
y Depending on the Bluetooth device type, some devices have a different pairing way. For details about Bluetooth pairing, refer to your Bluetooth device manual.

Operating

40 Operating

4. When this unit is successfully connected with your Bluetooth device, “PAIRED” [ your device’s name [ “BT” appears on the display window.
, Note
y If it is unavailable to display device name on the unit, “-” will be displayed.
y To check the connected device’s name, press J on the remote control. The connected Bluetooth device’s name is
displayed.

5. Listen to music.

To play music in your Bluetooth device, refer to

your Bluetooth device’s user guide.

, Note

y 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 case below:

– There is an obstacle between the unit and the Bluetooth device.

– There is a device using same frequency with Bluetooth technology such as a medical equipment, a microwave or a wireless LAN device.

, Note
y If Bluetooth connection does not work well,
try pairing it again.
y The sound may be interrupted when the connection has interference by the other electronic waves.
y Pairing is limited to one Bluetooth device per unit and multi-pairing is not supported.
y Depending on the type of the device, you may not be able to use the Bluetooth function.
y You can enjoy Bluetooth function using smart phone, MP3, Notebook, etc..
y The more distance between the unit and the Bluetooth device, the lower the sound quality becomes.
y Bluetooth connection will be disconnected when the unit is turned off or the Bluetooth device gets too far from the unit.
y When Bluetooth connection is disconnected, connect the Bluetooth device to the unit
again.
y When the unit is not connected, “READY” appears in the display window.
y When you connect Bluetooth device (iOS device etc.) to this unit or operate the device, the volume level can be synchronised with each other.
y If you change to another function after connecting Bluetooth, Bluetooth connection will be disconnected. And you return to Bluetooth function, Bluetooth connection will be connected automatically.

Operating 41

Operating

Controls connected Bluetooth
device
You can control the connected Bluetooth device from the unit; play, pause, skip, volume.
, Note
y Only Android OS and iOS is available to use this function.

Using BLUETOOTH App
, Note
y Only Android OS is available to use “LG Sound Bar” app with this unit.
y Additional data charges may apply according to your internet environment or mobile plan.

y This function may not be supported depending on the Bluetooth device or some
of TV operated differently.

About “LG Sound Bar” App
“LG Sound Bar” app brings a suite of new features to this unit.

Bluetooth connection lock (BT

To enjoy more features, you are recommended to download and install free “LG Sound Bar” app.

LOCK)

You can limit Bluetooth connection to only BT (Bluetooth) and LG TV function to prevent unintended Bluetooth connection.
To turn on this function, press and hold N on the remote control for about 3 seconds in BT (Bluetooth) function and press it once again while “OFF – BT LOCK” is scrolled. Then you can limit Bluetooth connection.

Install “LG Sound Bar” App onto Your BLUETOOTH Device
There are two ways to install “LG Sound Bar” app onto your Bluetooth device.
Install “LG Sound Bar” App through QR code

To turn off this function, press and hold N on the remote control for about 3 seconds in BT (Bluetooth) function and press it once again while “ON – BT LOCK” is scrolled.

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

, Note

Even if you set up BT LOCK function to On, this sound bar turns on by Auto Power function. Turn off Auto Power function to prevent it. (Page 37)

2. Tap an icon for installation.
, Note

y Make sure that your Bluetooth device is connected to the Internet.

y 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)”.

y Depending on area, QR code may not work.

Operating

42 Operating

Install “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 Bluetooth app.

, Note

y Make sure that your Bluetooth device is connected to the Internet.

y Make sure that your Bluetooth device is

equipped with “Google Android Market

(Google Play Store)”.

Activate BLUETOOTH with “LG Sound Bar” App
“LG Sound Bar” app helps to connect your Bluetooth device to this unit.
1. Tap “LG Sound Bar” app icon on the home screen to open “LG Sound Bar” app, and go to the main menu.
2. If you want to get more information to operate, tap [Setting] and tap [Help] menu.

, Note
y “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 “LG Sound Bar” app for operation, there would be some differences between “LG Sound Bar” app and the supplied remote control. Use the supplied remote control as
necessary.
y Depending on the Bluetooth device, “LG Sound Bar” app may not work.
y After connection of “LG Sound Bar” app, music may be output from your device. In this case, try connecting procedure again.
y If you operate the other applications or change the settings on your Bluetooth device while using “LG Sound Bar” app, “LG Sound Bar” app may operate abnormally.
y When “LG Sound Bar” app operates abnormally, check your Bluetooth device and the connection of “LG Sound Bar” app and then try to connect again.
y Depending on the smart phone’s operating system, you have some differences for “LG Sound Bar” operation.
y Even though Bluetooth connection will be disconnected, you can use “LG Sound Bar” app when you change the function.
y Additional features offered by “LG Sound Bar” app may not work depending on the distance between this unit and Bluetooth device and wireless conditions.

Troubleshooting

Troubleshooting 43

Troubleshooting

General

Symptoms

Cause & Solution

The unit does not work properly.

y Turn off the power of this unit and the connected external device (TV, Woofer, DVD-player, Amplifier, etc.) and turn them on again.
y Disconnect the power cord of this unit and the connected external device (TV, Woofer, DVD-player, Amplifier, etc.) and then try connecting again.
y Previous setting may not be saved when device power is shut off.

No Power

y The power cord is unplugged. Plug in the power cord.
y Check whether electricity failed. Check the condition by operating other electronic devices.

No sound

y Incorrect input source is selected.

Check the input source and select the correct input source.

y The mute function is activated. Press [ (Mute) or adjust the volume level to cancel the mute function.

y When you are using connection with a external device (set top box, Bluetooth device etc.), adjust volume level of the device.

No woofer sound

y The power cord of the subwoofer is not connected. Plug the power cord into the wall outlet securely.
y Pairing between the unit and the subwoofer gets disconnected. Connect the unit and the subwoofer. (Page 20)

The remote control does not work properly.

y The remote control is too far from the unit. Operate the remote control within about 7 m.
y There is an obstacle in the path of the remote control and the unit. Remove the obstacle.
y The batteries in the remote control is exhausted. Replace the batteries with new one.

y Check connection of the external device such as TV, DVD/Blu-Ray player or

The AUTO POWER function Bluetooth device.

does not work.

y Check the state of SIMPLINK on your LG TV and turn off SIMPLINK.

y Depending on the connected device, this function may not operate.

LG Sound Sync does not work.

y Check whether your LG TV supports LG Sound Sync. y Check connection of LG Sound Sync (Optical or wireless). y Check sound setting of your TV and this unit.

44 Troubleshooting

Symptoms

Cause & Solution

The unit does not connect with Bluetooth device

y Turn off the Bluetooth connection lock function. (Page 41)

When you feel the output sound of the unit is low.

Check the details below and adjust the unit according to them.
y With the sound bar connected with TV, change the AUDIO DIGITAL OUT

Download

LG GX (GX, SPN5-W) Wireless Sound Bar Owner’s Manual

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