LG SPJ4BB-W User 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, SPJ4BB-W)
Copyright © 2022 LG Electronics Inc. All Rights Reserved.
www.lg.com
2209_Rev01

1 Getting Started
Getting Started2
Getting Started
1
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.
This lightning ash 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
sufcient 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.
CAUTION: The apparatus should not be exposed to
water (dripping or splashing) and no objects lled
with liquids, such as vases, should be placed on the
apparatus.
WARNING: Do not install this equipment in a
conned space such as a book case 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 ame 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 and to ensure reliable operation of
the product and to protect it from over heating.
The openings shall be never be blocked by placing
the product on a bed, sofa, rug or other similar
surface. 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.

Getting Started 3
Getting Started
1
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 specication
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 re. 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 identication and power supply ratings,
please refer to the main label on the bottom or the
other surface of the product.
This device is equipped with a portable battery or
accumulator.
How to Safely remove the battery or the battery
pack from the equipment: To remove the old battery
or battery pack, follow the assembly steps in reverse
order. To prevent contamination of the environment
and bring on possible threat to human and animal
health, the old battery or the battery put it in the
appropriate container at designated collection points.
Do not dispose of batteries or battery pack together
with other waste. It is recommended that you use
local, free reimbursement systems batteries and
accumulators. The battery shall not be exposed to
excessive heat such as sunshine, re or the like.

Getting Started4
Getting Started
1
Symbols
~Refers to alternating current (AC).
0Refers to direct current (DC).
Refers to class II equipment.
1Refers to stand-by.
!Refers to “ON” (power).
Refers to dangerous voltage.

Table of Contents 5
1
2
3
4
5
Table of Contents
1 Getting Started
2 Safety Information
6 Unique features
6 Introduction
6 – Symbols used in this manual
7 Remote control
8 Front panel
8 Rear panel
9 About LED condition
10 Installing the sound bar
2 Connecting
11 Wireless subwoofer connection
12 Connecting to your TV
12 – Using an OPTICAL cable
12 – LG Sound Sync
14 Optional equipment connection
14 – OPTICAL IN connection
14 – PORT. IN connection
15 – USB connection
15 – Compatible USB devices
15 – USB device requirement
16 – Playable file
3 Operating
17 Basic operations
17 – USB operation
17 Other operations
17 – Turn off the sound temporarily
17 – Using your TV remote control
18 – Auto power down
18 – AUTO POWER On/Off
19 – Auto function change
20 Using BLUETOOTH® technology
20 – Listening to music stored on the Bluetooth
devices
22 Using BLUETOOTH App
22 – Install “LG Sound Bar” App onto Your
BLUETOOTH Device
22 – Activate BLUETOOTH with “LG Sound Bar”
App
24 Sound adjustment
24 – Setting the surround mode
24 – Adjust the woofer level settings
24 – Night mode
4 Troubleshooting
25 Troubleshooting
25 – General
26 – NOTES to use wireless
27 – NOTES to release Demo mode
5 Appendix
28 Trademarks and licenses
29 Specifications
30 Maintenance
30 – Handling the unit

Getting Started6
Getting Started
1
Unique features
Auto power down
This unit supports to turn off by itself for saving
energy consumption.
Portable In
Listen to music from your portable device.
(MP3 player, Notebook, Smart phone, etc..)
LG Sound Sync
Controls volume level of this unit by the remote
control of your LG TV that 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.

Getting Started 7
Getting Started
1
Remote control
Replacement of battery
Remove the battery cover on the rear of the remote
control, and insert battery with and matched
correctly.
• • • • • • • • • • • • • • a • • • • • • • • • • • • •
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.
BASS BLAST : Selects reinforced bass sound.
CINEMA : Selects cinematic surround sound.
VOL o/p: Adjusts speaker volume.
(Mute) : Mutes the sound.
• • • • • • • • • • • • • • b • • • • • • • • • • • • •
C/V (Skip/Search) :
- Skips Fast backward or Forward.
- Searches for a section within a le.
dM (Play/Pause) : Starts playback. / Pauses playback.
NIGHT ON/OFF :
- Turns on or off Night mode.
- Controls this unit using TV remote. (Refer to the
page 17.)
WOOFER LEVEL o/p: Adjusts sound level of
subwoofer.
AUTO POWER ON/OFF :
- Turns on or off AUTO POWER function. (Refer to
the page 18.)
- Turns on or off the Bluetooth connection lock
function. (Refer to the page 21.)

Getting Started8
Getting Started
1
A1/! (Standby/On)
BF (Function)
Selects the function and input source.
Cp/o (Volume)
Adjusts volume level.
DStandby LED
It lights up in red on standby mode.
E Remote sensor
F Function LED
G Speakers
Front panel
Rear panel
APORT.IN : Portable input
BOPTICAL IN : Optical input
CUSB
A B C
D E F
GG
B
AC

Getting Started 9
Getting Started
1
About LED condition
LED Condition Description
OPTICAL LED turns on. 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 Bluetooth device.
Bluetooth LED blinks. Waiting for Bluetooth connection.
USB and Bluetooth LEDs turn
on. PORTABLE function is selected.
OPTICAL and USB LEDs turn
on.
LG Sound Sync (Wireless) function is
selected.
yWhen you press any button, standby LED (Red) on the main unit blinks.
yWhen you press (Mute) button, standby LED (Red) blinks slowly.
yWhen this unit reaches minimum volume, standby LED (Red) turns on for 2 seconds and blinks slowly.
yWhen this unit reaches maximum volume, standby LED (Red) turns on for 2 seconds.
yWhen you press volume (o/p) button continually, standby LED (Red) blinks quickly.
, Note

Getting Started10
Getting Started
1
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. (Refer to pages 12 - 16)
yFor 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.
yBe careful not to make scratches on the
surface of the Unit / Subwoofer when
installing or moving them.
> Caution