LG CM4590 User manual

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

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: This product employs a Laser System.
To ensure proper use of this product, please read
this owner’s manual carefully and retain it for future
reference. Shall the unit require maintenance, contact
an authorized service center.
Use of controls, adjustments or the performance of
procedures other than those specied herein may
result in hazardous radiation exposure. To prevent
direct exposure to laser beam, do not try to open the
enclosure.
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 should 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.
NOTICE: For safety marking information including
product identication and supply ratings, please refer
to the main label on the bottom or the other surface
of the product.

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.
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: No naked ame sources, such as lighted
candles, should be placed on the apparatus.
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 Contents4
1 Getting Started
2 Safety Information
6 Unique Features
7 Playable file Requirement
7 – Music file requirement
7 – Compatible USB Devices
7 – USB device requirement
8 Remote control
10 Front panel
12 Rear panel
2 Connecting
13 Connecting to speakers
13 – Attaching the speakers to the unit
13 – Attaching the subwoofer to the unit
14 Optional Equipment Connection
14 – AUX IN 1 Connection
14 – AUX IN 2 Connection
15 – USB Connection
15 – Antenna Connection
3 Operating
16 Basic Operations
16 – CD/USB Operations
16 – Auto Play
17 – Selecting a folder and an
MP3/WMA file
17 – Deleting an MP3/WMA file
18 – AUTO DJ
19 Using BLUETOOTH® wireless technology
19 – Listening to music stored on the Bluetooth
devices
21 Using the Music Flow Bluetooth App
21 – About “Music Flow Bluetooth” App
21 – Install “Music Flow Bluetooth” App onto
Your Bluetooth Device
22 – Activate Bluetooth with “Music Flow
Bluetooth” App
23 Radio Operations
23 – Listening to the radio
23 – Improving poor FM reception
23 – Presetting the Radio Stations
23 – Deleting all the saved stations
Table of Contents

Table of Contents 5
1
2
3
4
5
24 Sound adjustment
24 – Setting the sound mode
25 Advanced Operations
25 – Recording to USB
26 – USB copying
27 – Programmed Playback
28 Other Operations
28 – Turn off the sound temporarily
28 – DEMO
28 – Sleep Timer Setting
28 – Dimmer
28 – Auto power down
29 – AUTO POWER On
29 – Auto function change
30 Setting the Clock
30 – Setting the Clock through “Music Flow
Bluetooth” App
30 – Using your player as an alarm clock
31 LG Sound Sync
4 Troubleshooting
32 Troubleshooting
32 – General
33 – NOTES to release Demo mode
5 Appendix
34 General specifications
35 Speakers specifications
35 Trademarks and Licenses
36 Maintenance
36 – Notes on Discs
36 – Handling the Unit

Getting Started6
Getting Started
1
Unique Features
BLUETOOTH®
Listens to music stored on your Bluetooth device.
AUTO DJ
Blends the end of one song into the beginning of
another for seamless playback.
USB Direct Recording
Records music to your USB device.
Music Flow Bluetooth
Music Flow Bluetooth is an app designed to let you
take control of some of LG’s latest audio devices.
(Page 21-22)
LG Sound Sync
Controls volume level of this unit by the remote
control of your LG TV that is compatible with LG
Sound Sync.

Getting Started 7
Getting Started
1
Playable file
Requirement
Music file requirement
MP3/WMA le compatibility with this unit is limited
as follows.
ySampling frequency: within 32 to 48 kHz (MP3),
within 32 to 48 kHz (WMA)
yBit rate: within 32 to 320 kbps (MP3),
40 to 192 kbps (WMA)
yMaximum les: Data CD: 999 / USB: 2,000
yMaximum folders: Data CD: 99 / USB: 200
yFile extensions: “.mp3”/ “.wma”
yCertain MP3/WMA les may not be played
depending on the type or format of the le.
yCD-ROM le format: ISO 9660/ JOLIET
yWe recommend that you use Easy-CD Creator,
which creates an ISO 9660 le system.
yA protected le by DRM (Digital rights
management) cannot be played on the unit.
yThe DTS disc is not supported.
You have to set the disc format option to [Mastered]
in order to make the discs compatible with the LG
players when formatting rewritable discs. When
setting the option to Live File System, you cannot use
it on LG players.
(Mastered/Live File System: Disc format system for
Windows Vista)
Compatible USB Devices
yMP3 Player: Flash type MP3 player.
yUSB Flash Drive:
Devices that support USB2.0 or USB1.1.
yThe USB function of this unit does not support all
USB devices.
USB device requirement
yDevices which require additional program
installation when you have connected it to a
computer, are not supported.
yDo not extract the USB device while in operation.
yFor a large capacity USB, it may take longer than a
few minute to be searched.
yTo prevent data loss, back up all data.
yIf you use a USB extension cable or USB hub, the
USB device is not recognized.
yUsing NTFS le system is not supported. (Only
FAT(16/ 32) le system is supported.)
yThis unit recognizes up to 2,000 les.
yExternal HDD, Card readers, Locked devices, or
hard type USB devices are not supported.
yUSB port of the unit cannot be connected to PC.
The unit cannot be used as a storage device.
ySome USB may not work with this unit.

Getting Started8
Getting Started
1
Remote control
Replacement of battery
(R03)
(R03)
Remove the battery cover on the rear of the remote
control, and insert the battery with 4and 5
matched correctly.
• • • • • • • • • • • • • • a • • • • • • • • • • • • •
1(Standby): Turns the power on or off.
B (Open/Close): Opens and closes the disc tray.
VOL (Volume) +/-:Adjusts speaker volume.
F (Function): Selects the function and input source.
Input source / Function Display
Disc CD
USB USB 1 / USB 2
AUX (3.5 mm) input AUX 1
AUX input AUX 2
Bluetooth BT
LG Sound Sync (Wireless) LG TV
Radio FM
[(Mute): Mutes the sound.
PRESET·FOLDER W/S:
- Chooses a preset number for a radio station.
(Page 23)
- Searches for a folder of MP3/WMA les. When
a CD/USB containing MP3/WMA les in several
folders is being played, press PRESET·FOLDER
W/S to select the folder you want to play.
PROGRAM/MEMORY:
- Stores radio stations. (Page 23)
- Deletes all the saved stations.
- Creates a programmed list you want to listen to.
AUTO DJ:Selects the AUTO DJ mode. (Page 18)
DELETE:
- Deletes MP3/WMA les. (USB only) (Page 17)
- Deletes a song on the programmed list.

Getting Started 9
Getting Started
1
• • • • • • • • • • • • • • b • • • • • • • • • • • • •
REPEAT: Listens to your tracks/les repeatedly or
randomly.
TUNING-/+: Selects the radio stations.
C/V (Skip/Search):
- Skips backward or forward.
- Searches for a section within a track/le.
N (Play/Pause):
- Starts or pauses playback.
- Selects stereo/mono.
Z (Stop):
- Stops playback or recording.
- Cancels DELETE function.
EQUALIZER:Chooses sound impressions.
SPECIAL EQ:Chooses special equalizer.
J (Information):
- Sees information about your music. An MP3 le
often come with ID3 tag. The tag gives the Title,
Artist, Album or Time information.
- Sees the address of connected Bluetooth device
in Bluetooth mode.
• • • • • • • • • • • • • • c • • • • • • • • • • • • •
0 to 9 numerical buttons: Selects numbered tracks,
les, or preset number.
CLOCK: Sets a clock and checks a time.
ALARM: With the ALARM function you can turn on
CD, USB play and tuner reception at a desired time.
• • • • • • • • • • • • • • d • • • • • • • • • • • • •
SLEEP:Sets the system to turn off automatically at
a specied time.
(Dimmer: The display window will be darkened by
half.)
SET:Conrms the setting.
?:This button is not available.
USB REC: Records to USB.

Getting Started10
Getting Started
1
Front panel
a
b
c
d
e
f
g
h
i
j
k
l
m
n
p
o

Getting Started 11
Getting Started
1
a Display window
b USB 1 / USB 2 Port
You can play sound les by connecting the USB
device.
USB REC.
Records to USB.
c1(Standby)
Turns the power on or off.
d Z (Stop)
Stops playback or recording.
eAUTO DJ
Selects the AUTO DJ mode.
fC (Skip/Search)
- Skips backward.
- Searches for a section within a track/le.
- Selects the radio stations.
g DEMO
In power off status, if you press DEMO, show
DEMO mode.
h AUX IN 1 jack
i Disc tray
j F (Function)
Selects the function and input source.
Input source / Function Display
Disc CD
USB USB 1 / USB 2
AUX (3.5 mm) input AUX 1
AUX input AUX 2
Bluetooth BT
LG Sound Sync (Wireless) LG TV
Radio FM
k N(Play/Pause)
- Starts or pauses playback.
- Selects stereo/mono.
lSPECIAL EQ
Chooses special equalizer.
m V (Skip/Search)
- Skips forward.
- Searches for a section within a track/file.
- Selects the radio stations.
nBASS BLAST
Selects BASS or STANDARD effect directly.
o MASTER VOLUME
Adjusts speaker volume.
pB (Open/Close)
Opens and closes the disc tray.

Getting Started12
Getting Started
1
Rear panel
aPOWER IN
bANTENNA (FM)
cAUX IN 2 (L/R)
Connect an auxiliary device.
d SPEAKERS terminal/cord
a
b
c
d

2 Connecting
Connecting 13
Connecting
2
Connecting to speakers
Attaching the speakers to the
unit
To connect the cable to the unit, press each plastic
nger pad to open the connection terminals on the
unit. Insert the wire and release the nger pad.
Connect the black of each wire to the terminals
marked - (minus) and the other end to the terminals
marked + (plus).
Attaching the subwoofer to the
unit
Connect a woofer cord to the player.
When connecting a woofer cord to the player, insert
the connector until it clicks.
yWhen you connect the speakers to the unit,
make sure to connect the speaker’s cable and
plug to the corresponding speaker connector.
yCheck the volume level before playing music
to prevent inrm, child, and pregnant women
from being shocked by the sudden and loud
sound from the unit.
yDo not use the unit in a limited space.
It may damage a person’s hearing. It is
recommended to use it in a wide space.
yUse the speaker supplied with this unit
only. Using any other speaker may cause
malfunction.
yThe speakers contain magnet parts, so color
irregularity may occur on the TV screen or PC
monitor screen. Please use the speakers far
away from either TV screen or PC monitor.
> Caution

Connecting14
Connecting
2
Optional Equipment
Connection
AUX IN 1 Connection
Connect an output (earphone or line out) of portable
device (MP3 or PMP etc) to the AUX IN 1 (3.5 mm)
connector.
3.5 mm stereo cable
AUX IN 2 Connection
Connect an output of auxiliary device (Camcorder, TV,
Player, etc) to the AUX IN 2 (L/R) connector.
If your device has only one output for audio(mono),
connect it to the left(white) audio jack on the unit.
White
Red
DVD, Blu-ray player etc.
Listening to music from your portable
player or external device
The unit can be used to play the music from many
types of portable player or external device.
1. Connect the portable player to the AUX IN 1
connector of the unit.
Or
Connect the external device to the AUX IN 2
connector of the unit.
2. Turn the power on by pressing 1.
3. Press
F to select AUX 1 or AUX 2 function.
4. Turn on the portable player or external device and
start it playing.

Connecting 15
Connecting
2
USB Connection
Connect a USB device (or MP3 player, etc.) to the
USB ports on the unit.
USB
device
Removing the USB device from the unit:
1. Choose a different function/mode or
press Z twice in a row.
2. Remove the USB device from the unit.
, Note
Antenna Connection
Connect the supplied FM antenna for listening to
the radio.
FM
Be sure to fully extend the FM wire antenna.
, Note

3 Operating
Operating16
Operating
3
Basic Operations
CD/USB Operations
1. Insert the disc by pressing B.
Or connect the USB device to the USB port.
2. Select CD or USB function by pressing F .
To Do this
Stop Press Z.
Playback Press N.
Pause Press N during playback.
Searching
for a section
within a track/
le
Press and hold C/V during
playback and release it at the point
you want to listen to.
Selecting
a track/le
directly
Press 0 to 9 numerical buttons on
the remote control to go to the
desired le or track directly.
Skipping to
the next/
previous
track/le
- In stop status,
Press C/V to go to the next/
previous track/le.
- During playback,
Press Vto go to the next track/
le.
Playing in less than 3 seconds,
press Cto go to the previous
track/le.
Playing after 3 seconds, press C
to go to the beginning of the track/
le.
Playing
repeatedly or
randomly
Press REPEAT on the remote
control repeatedly. Refer to the
note for details about the display
change.
yThe display changes in the following order.
USB MP3/WMA CD AUDIO CD
RPT 1
RPT*DIR
RPT ALL
SHUFFLE
OFF
RPT 1
RPT DIR
RPT ALL
SHUFFLE
OFF
RPT 1
-
RPT ALL
SHUFFLE
OFF
*DIR : Directory
yWhen you play Program list, only RPT 1 and
RPT ALL are available.
yEven after restarting the unit or switching
one function to another, you can listen to
music from the point where it’s last been
played.
yIf you leave the disc tray open for 5 minutes,
it will close automatically.
, Note
Auto Play
- AUDIO/MP3/WMA CD is played automatically
after disc tray is opened and then closed.
- Automatically the unit switches to the CD
function if disc tray is opened and then closed
even when there is no disc in disc tray.

Operating 17
Operating
3
Selecting a folder and an
MP3/WMA file
1. Press PRESET·FOLDER W/S on the remote
control repeatedly until a desired folder appears.
2. Select the le you want by using C/V.
3. Press N to play it.
yCD/USB Folders/Files are recognized as
below.
*
yIf there is no le in a folder, the folder will not
appear.
yFolders will be presented as the following
order;
ROOT FOLDER 1 FOLDER 3
FOLDER 7 FOLDER 8 FOLDER 5
FOLDER 6
yFile will be played from $ le No.1 to $ le
No.14 one by one.
yFiles and folders will be presented in order
recorded and may be presented differently
according to the record circumstances.
*ROOT: The rst screen you can see when a
computer recognize the CD/USB is “ROOT”.
, Note
Deleting an MP3/WMA file
You can delete le, folder or format by pressing
DELETE on the remote control. This function is
supported only in stop status. (USB only)
1. - Select the le you want to delete and press
DELETE on the remote control.
- Select the folder you want to delete by pressing
PRESET·FOLDER W/S on the remote control
and press DELETE on the remote control.
- Press and hold DELETE on the remote control
to format the USB device.
Or
Press DELETE on the remote control repeatedly
during selecting the MP3/WMA file.
The display changes in the following order.
- DEL FILE : Deletes file
- DEL DIR : Deletes folder
- FORMAT : Formats USB
2. To delete le/folder or format, press N.
If you want to exit the current mode, press Z.
yDo not extract the USB device during
operation. (play, delete, etc.)
yRegular back up is recommended to prevent
data loss.
yThe delete function may not be supported
according to the USB status. (lock, etc.)
> Caution

Operating18
Operating
3
AUTO DJ
AUTO DJ blends the end of one song into the
beginning of another for seamless playback.
It equalizes volume across tracks/les for
uninterrupted playback.
Press AUTO DJ repeatedly, the display changes as
followings.
AUTO DJ SHUFFLE AUTO DJ SEQUENTIAL
AUTO DJ OFF
On Display Description
AUTO DJ OFF -
AUTO DJ
SHUFFLE
The music is played randomly on
this mode.
AUTO DJ
SEQUENTIAL
The music is played repeatedly on
this mode.
yAUTO DJ mode does not support searching
for a section within a track/le or to play
repeatedly or randomly.
yIf you move to other functions or stop the
music using Z on AUTO DJ mode, AUTO DJ
will be disabled.
yAUTO DJ is not supported in the music le
whose length is less than 60 seconds.
yDuring recording, AUTO DJ is not available.
yOnly AUTO DJ SEQUENTIAL is selected when
played programmed list.
, Note

Operating 19
Operating
3
Using 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.
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.
yAvailable Devices: Smart phone, MP3, Notebook,
etc.
yVersion: 4.0
yCodec: SBC
Bluetooth Proles
In order to use Bluetooth wireless technology,
devices must be able to interpret certain proles.
This unit is compatible with following prole.
A2DP (Advanced Audio Distribution Prole)
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 activated on 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. Press the F button until the Bluetooth function
is selected. “BT READY” appears on the display
window.
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 CM4590 (XX)”.
yXX means the last two digits of
Bluetooth address. For example, if your
unit has a Bluetooth address such as
9C:02:98:4A:F7:08, you will see “LG CM4590
(08)” on your Bluetooth device.
yDepending on the Bluetooth device type,
some devices have a different pairing way.
For details about Bluetooth pairing,
refer to your Bluetooth device manual.
yYou can connect this unit with up to 3
Bluetooth devices simultaneously using the
same method as described above, only in the
Bluetooth function.
yThe multi phone pairing connection is only
supported on Android devices. (Multi phone
pairing connection may not be supported
depending on the connected device
specications.)
yRemovable/detachable Bluetooth devices
(Ex: Dongle etc.) will not support multi phone
pairing.
, Note

Operating20
Operating
3
3. When this unit has successfully connected with
your Bluetooth device, “PAIRED” will be appear
on the display window. After a short amount
of time, the Bluetooth device name will be
displayed.
y"PAIRED" will momentarily appear on the
display when you connect other devices for
multi phone pairing.
yIf the device name is unavailable, “_” will be
displayed.
, Note
4. Listen to music.
To play a music stored on your Bluetooth device,
refer to your Bluetooth device’s user guide.
yWhen 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 certain
situations as described 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.
yYou should connect your Bluetooth device to
this unit again when you restart it.
yEven if this unit is connected to up to 3
Bluetooth devices in the Bluetooth mode,
you can play and control music by using only
one of the connected devices.
, Note
yWhen this unit connected with multiple
Bluetooth devices, only one device which
you are playing keeps Bluetooth connection
when you change the function to the others.
yThe sound may be interrupted when the
connection has interference from other
electronic devices.
yYou cannot control the Bluetooth device with
this unit.
yDepending on the type of the device, you may
not be able to use the Bluetooth function.
yYou can enjoy wireless system using phone,
MP3, Notebook, etc.
yThe more distance between the unit and the
Bluetooth device, the lower the sound quality
becomes.
yBluetooth connection will be disconnected
when the unit is turned off or the Bluetooth
device gets too far from the unit.
yWhen Bluetooth connection is disconnected,
connect the Bluetooth device to the unit
again.
yWhen a Bluetooth device is not connected,
“BT READY” appears on the display window.
yWhen you use the Bluetooth function,
adjust the volume to a proper level on the
Bluetooth device.
yIf it is not in Bluetooth function, only one
device can be connected.
yIf a Bluetooth device is connected when
using LG TV, LG TV is disconnected and the
Bluetooth device is connected.
yWhen you connect Bluetooth device (iOS
device etc.) to this unit or operate the device,
the volume level can be synchronized with
each other.
, Note