LG LK72B Owner'S Manual Download Page 1

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OWNER’S MANUAL

Multimedia
Speaker System

Please read this manual carefully before operating
your set and retain it for future reference.

MODELS

LK72B (LK72B, LK72B-S)
LK72BE (LK72BE, LK72BE-S)

www.lg.com

180

_Rev02

MFL70428612

Summary of Contents for LK72B

Page 1: ...stem Please read this manual carefully before operating your set and retain it for future reference MODELS LK72B LK72B LK72B S LK72BE LK72BE LK72BE S www lg com Copyright 2018 LG Electronics Inc All Rights Reserved 1807_Rev02 MFL70428612 ...

Page 2: ...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 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 Do not block any ventilation openings In...

Page 3: ...ular attention to plugs wall outlets and the point where the cord exits the device This device is equipped with a portable battery or accumulator How to Safely remove the batteries or the battery pack from the equipment To Remove the old batteries or battery pack follow the assembly steps in reverse order To prevent contamination of the environment and bring on possible threat to human and or anim...

Page 4: ...ement 7 Music file requirement 7 Compatible USB Devices SD cards 7 USB device SD card requirement 8 Remote control 9 Front panel 10 Rear panel 2 Connecting 11 Power Cord Connection 11 Speaker Connection 12 Optional Equipment Connection 12 AUX IN Connection 12 PORT IN Connection 13 USB Connection 13 SD card Connection ...

Page 5: ...h devices 18 Radio Operations 18 Listening to the radio 18 Presetting the Radio Stations 18 Deleting all the saved stations 19 Other Operations 19 Turn off the sound temporarily 19 Auto power down 19 Adjusting Bass level 4 Troubleshooting 20 Troubleshooting 20 General 5 Appendix 21 General specifications 22 Trademarks and Licenses 22 Maintenance 22 Handling the Unit ...

Page 6: ...Getting Started 6 Getting Started 1 Unique Features BLUETOOTH Listens to music stored on your Bluetooth device Portable In Listens to music from your portable device MP3 Notebook etc ...

Page 7: ... and SD cards USB device SD card requirement y y Devices which require additional program installation when you have connected it to a computer are not supported y y Do not extract the USB device SD card while in operation y y For a large capacity USB or SD card it may take longer than a few minute to be searched y y To prevent data loss back up all data y y If you use a USB extension cable or USB...

Page 8: ... Portable input POrtAbLE AUdIO Bluetooth bt Radio 87 50 Displays current radio frequency VOL Volume Adjusts speaker volume Mute Mutes the sound REPEAT Listens to your files repeatedly or randomly BASS Adjusts bass level b C V Skip Search Skips backward or forward Searches for a section within a file N Play Pause Starts or pauses playback TUNING Selects the radio stations PRESETW S Chooses a preset...

Page 9: ...lay USB USb SD card Sd AUX input AUdIO Portable input POrtAbLE AUdIO Bluetooth bt Radio 87 50 Displays current radio frequency d VOL Volume Adjusts speaker volume C V Skip Search Skips backward or forwards Searches for a section within a file Selects the radio stations N Play Pause Starts or pauses playback BASS Adjusts bass level e USB port You can play sound files by connecting the USB device PO...

Page 10: ...Getting Started 10 Getting Started 1 a AUX IN L R Connect an auxiliary device b FRONT SPEAKERS FL FR connector c POWER IN d FM ANTENNA d b a c Rear panel ...

Page 11: ...KERS FL FR jack y y When you connect the speakers to the unit make sure to connect the speaker s cable and plug to the corresponding speaker connector y y 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 y y The speakers contain magnet parts so color irregularity may occur on the T...

Page 12: ...tc 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 PORT IN connector of the unit Or Connect the external device to the AUX IN L R connector of the unit 2 Turn the power on by pressing 1 3 Press F to select AUX or PORTABLE function 4 Turn on the portable ...

Page 13: ... unit USB device Removing the USB device from the unit 1 Choose a different function 2 Remove the USB device from the unit Note SD card Connection Connect a SD card to the SD slot on the unit SD card Removing the SD card from the unit 1 Choose a different function 2 Remove the SD card from the unit Note ...

Page 14: ...onds press C to go to the previous file Playing after 3 seconds press C to go to the beginning of the file Playing repeatedly or randomly Press REPEAT on the remote control repeatedly the display will be changed in the following order RANDOM y y Repeat Random playback operates as follows On Diplay Description Plays songs in order and stops the playback Plays a same song repeatedly Plays all the so...

Page 15: ...ile will be played from file No 1 to file No 14 one by one y y Files will be presented in order recorded and may be presented differently according to the record circumstances ROOT the first screen you can see when a computer recognize the USB SD card are ROOT Note ...

Page 16: ...et certain profiles This unit is compatible with 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 activated on your Bluetooth device Refer to your Bluetooth device s user guide Once a pairing operation is performed it does not...

Page 17: ...nd connect a new Bluetooth device Note y y The sound may be interrupted when the connection has interference from other electronic devices y y Depending on the type of the device you may not be able to use the Bluetooth function y y You can enjoy wireless system using phone MP3 Notebook etc y y The more distance between the unit and the Bluetooth device the lower the sound quality becomes y y Blue...

Page 18: ... 50 stations for FM Before tuning make sure to turn down the volume 1 Press F until radio frequency appears in the display window 2 Select the desired frequency by pressing TUNING on the remote control or C V on the unit 3 Press MEMORY on the remote control A preset number will blink in the display window 4 Press PRESET W S on the remote control to select the preset number you want 5 Press MEMORY ...

Page 19: ...ontrol again or change the volume level Auto power down This unit will turn itself off to save electricity in the case were the main unit is not connected to an external device and is not used for 15 minutes The unit will also turn itself off after six hours if the main unit has been connected to another device using the analog inputs Adjusting Bass level You can adjust the bass sound level as you...

Page 20: ... No sound y y Check whether you select right function Press function button and check the selected function y y Check to see if the Speakers are connected correctly Speaker cables connected correctly Radio stations cannot be tuned in properly y y The signal strength of the radio station is too weak Tune to the station manually y y No stations have been preset or preset stations have been cleared w...

Page 21: ... mm stereo jack x 1 Tuner FM Tuning Range 87 5 to 108 0 MHz or 87 50 to 108 00 MHz System Frequency Response 40 to 20 000 Hz Signal to noise ratio More than 75 dB Dynamic range More than 80 dB Bus Power Supply USB 5 V 0 500 mA Amplifier RMS Output power Total output 40 W RMS Front 10 W RMS X 2 8 Ω at 1 kHz 10 THD Sub Woofer 20 W RMS X 1 4 Ω at 1 kHz 10 THD Front speaker Type 1 Way 1 spaker Impadan...

Page 22: ...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 ...

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