OWNER’S MANUAL Mini Hi-Fi System Please read this manual carefully before operating your set and retain it for future reference. CM4750 (CM4750, CMS4750F, CMS4750W) P/NO : MFL69148707_REV1.0 www.lg.
Getting Started Safety Information 1 CAUTION Getting Started 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.
Getting Started This device is equipped with a portable battery or accumulator. CAUTION: The apparatus shall not be exposed to water (dripping or splashing) and no objects filled with liquids, such as vases, shall be placed on the apparatus. CAUTION: Do not use high voltage products around this product. (ex. Electrical swatter) This product may malfunction due to electrical shock. POWER: This unit operates on a mains supply of 200 - 240 V ~, 50 / 60 Hz.
Table of Contents Table of Contents 1 Getting Started 2 6 6 7 7 7 7 8 10 12 Safety Information Unique Features Accesories Playable file Requirement – Music file requirement – Compatible USB Devices – USB device requirement Remote control Front Panel Rear Panel 2 Connecting 13 13 13 14 14 14 15 15 15 Connecting to speakers – Attaching the speakers to the unit – Attaching the subwoofer to the unit Optional Equipment Connection – Antenna Connection – USB Connection – AUX IN Connection – PORT.
Table of Contents 4 Troubleshooting 32 Troubleshooting 5 Appendix 33 34 35 35 35 35 General specifications Speaker specifications Maintenance – Handling the Unit – Notes on Discs Trademarks and Licenses 5 1 2 3 4 5
Getting Started Unique Features 1 BLUETOOTH® Accesories Please check and identify the supplied accessories. Getting Started Listens to music stored on your Bluetooth device. Portable In Listens to music from your portable device. (MP3, Notebook, etc.) Remote Control (1) 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.
Getting Started Playable file Requirement Compatible USB Devices Music file requirement yy The USB function of this unit does not support all USB devices. MP3/WMA file compatibility with this unit is limited as follows. USB device requirement yy Bit rate : within 32 to 320 kbps (MP3), 40 to 192 kbps (WMA) yy Maximum files : Data CD : 999 / USB : 2000 yy Maximum folders : Data CD : 99 / USB : 200 yy File extensions : “.mp3”/“.
Getting Started Remote control • • • • • • • • • • a • • • • • • • • • • 1 (Power) : Switches the unit ON or OFF. B (Open/Close) : Opens and closes the disc tray. PRESET.FOLDER W/S : -- Searches for a folder of MP3/WMA files. When a CD/USB containing MP3/WMA files in several folders is being played, press PRESET.FOLDER W/S to select the folder you want to play. -- Chooses a preset number for a radio station. 1 Getting Started FUNCTION : Selects the function and input source.
Getting Started 9 • • • • • • • • • • c • • • • • • • • • • REPEAT(MENU) : Listens to your tracks/files repeatedly or randomly. 0 to 9 numerical buttons : Selects numbered tracks, files, or preset number. C/V (Skip/Search) : -- Skips fast backward or forward. -- Searches for a section within a track/file. INFO : -- Sees informations about your music. An MP3 file often come with ID3 tag. The tag gives the Title, Artist, Album or Time information.
Getting Started Front Panel 1 Getting Started a b c j d k e l f m g n o h i p
Getting Started a Display window b USB 1/ USB 2 Plays the audio files by connecting the USB device. c 1/! (Power) Switches the unit ON or OFF. d I (Stop) Stops playback or recording. e AUTO DJ Selects the AUTO DJ mode. (For more information refer to page 19) f Y (Skip/Search) - Searches backward. - Skips to the previous track/file. g DEMO Shows demo mode. h PORT. IN i Disc tray j FUNCTION Selects the function or input source. k T ST./MO. - Starts or pauses playback. - Selects Stereo/Mono.
Getting Started Rear Panel 1 Getting Started POWER IN a b c a POWER IN b ANTENNA (FM) c AUX IN (L/R) connectors d SPEAKERS terminal/cord d
Connecting Connecting to speakers Attaching the speakers to the unit 13 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. To connect the cable to the unit, press each plastic finger pad to open the connection terminals on the unit. Insert the wire and release the finger pad.
Connecting Optional Equipment Connection USB Connection Connect a USB device (or MP3 player, etc.) to the USB ports on the unit. Antenna Connection 2 Connect the supplied FM antenna for listening to the radio. Connecting Connect the antenna to the antenna port on the back of the unit. Be sure to extend the FM wire antenna fully. FM ,,Note Removing the USB Device from the unit. 1. Choose a different function/mode or press Z ENTER on the remote control or I on the unit twice in a row. 2.
Connecting AUX IN Connection PORT. IN Connection Connect an output of auxiliary device (Camcorder, TV, Player, etc) to the AUX IN(L/R) connector. Connect an output (earphone or line out) of portable device (MP3 or PMP etc.) to the PORT. IN connector. If your device has only one output for audio(mono), connect it to the left (white) audio jack on the unit. 15 2 Connecting PORT.IN Red White To the audio output jacks of your component (Camcorder, TV, Player, etc.
Operating Basic Operations CD/USB Operations 1. Insert the disc by pressing B on the remote control or R on the unit Or connect the USB device to the USB port. 2. Select CD or USB function by pressing FUNCTION. To 3 Operating Do this Press Z ENTER on the remote Stop control or I on the unit. Press d/M on the remote control Playback or T on the unit. During playback, press d/M on the Pause remote control or T on the unit.
Operating Other Operations 17 Deleting Programmed list Deleting function only works in the edit mode. Programmed Playback 1. Press PROGRAM/MEMORY on the remote control in stop status. The program function enables you to store your favorite files from any disc or USB device. 2. Select a song by pressing PROGRAM/MEMORY or PRESET.FOLDER W/S repeatedly. A program can contain 20 tracks/files for each media. (CD, USB1,USB2) Possible to save a total of 60 tracks/files. 1.
Operating Searching for a folder and an MP3/WMA file 1. Press PRESET·FOLDER W/S on the remote control repeatedly until a desired folder appears in the display window. 2. Press d/M to play it. The first file of the folder will be played. ,,Note yy USB/CD Folders/Files are recognized as below. ROOT 3 Deleting an MP3/WMA file You can delete file, folder or format by pressing DELETE on the remote control. This function is supported only in stop status. (USB only) 1.
Operating Turn off the sound temporarily AUTO DJ playback Press MUTE@ on the remote control to mute your sound. Auto DJ blends the end of one song into the beginning of another for seamless playback. It equalizes volume across tracks for uninterrupted playback. You can mute your unit, for example, to answer the telephone, the “MUTE” will appear in the display window. To cancel it, press MUTE@ again or change the volume level. DEMO In the power off state, press DEMO on the unit once.
Operating Using a BLUETOOTH® wireless technology About BLUETOOTH Bluetooth is wireless communication technology for short range connection. 3 Operating The sound may be interrupted when the connection has interference from other electronic devices or you connect a Bluetooth device from a different room. Connecting individual devices under Bluetooth wireless technology does not incur any charges.
Operating 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. ,,Note yy “PAIRED” will momentarily appear on the display when you connect other devices for multi pairing yy If the device name is unavailable, “_” will be displayed.
Operating Using the Music Flow Bluetooth App ,,Note Only Android OS is available to use “Music Flow Bluetooth” app with this unit. About “Music Flow Bluetooth” App “Music Flow Bluetooth” app brings a suite of new features to this unit. 3 Operating To enjoy more features, you are recommended to download and install free “Music Flow Bluetooth” app. Install “Music Flow Bluetooth” App onto Your Bluetooth Device There are two ways to install “Music Flow Bluetooth” App onto your Bluetooth device.
Operating 23 Activate Bluetooth with “Music Flow Bluetooth” App “Music Flow Bluetooth” app helps to connect your Bluetooth device to this unit. 1. Tap “Music Flow Bluetooth” app icon on the home screen to open “Music Flow Bluetooth” app, and go to the main menu. 2. Tap [Menu] and select the unit you want. 3. If you want to get more information to operate, tap [Setting] and turn on the User guide.
Operating Radio Operations Deleting all the saved stations Be sure that FM antenna is connected. (Refer to page 14) 1. Press and hold PROGRAM/MEMORY on the remote control for two seconds. “ERASEALL” will flash up on the unit display. Listening to the radio 2. Press PROGRAM/MEMORY on the remote control to erase all the saved radio stations. 1. Press FUNCTION until FM appears in the display window. The last received station is tuned in. 3 Operating 2.
Operating 25 Sound adjustment Setting the surround mode This system has a number of pre-set surround sound fields. You can select a desired sound mode by using SOUND EFFECT on the remote control. The displayed items for the equalizer may be different depending on sound sources and effects. Description NATURAL You can enjoy comfortable and natural sound. Local Specialization equalizer (Optional) Regionally optimized sound effect.
Operating Advanced Operations Recording to USB You can record a various sound source to USB. (CD, AUX, PORTABLE, Tuner, USB) 1. Connect the USB device to the unit. 2. Select a function by pressing FUNCTION. One track/file recording - You can record to USB after playing a track/file you want. All tracks/files recording - You can record to USB after full stop status. 3 Operating Programmed list recording - After showing the programmed list, you can record it to USB. (Refer to page 17) 3.
Operating 27 USB copying You can copy various sound source in USB1 to USB2 on USB function. 1. Connect a USB device including desired sound files to USB1 and select USB 1 function. 2. Connect another USB device to USB2. 3. Start the recording by pressing USB REC on the remote control or USB REC. on the unit. 4. To stop recording, press Z ENTER on the remote control or I on the unit. yy During recording MP3/WMA, there is no sound.
Operating Setting the Clock Using your player as an alarm clock 1. Turn the unit on. 1. Turn the unit on. 2. Press and hold CLOCK. 2. Press and hold ALARM. 3. Select time mode by pressing C/V on the remote control. 3. Press C/V on the remote control to change the hours and minutes and press SET to save. - AM 12:00 (for an AM and PM display) or 0:00 (for a 24 hour display) 4. Press SET to confirm your selection. 5. Select the hours by pressing C/V on the remote control. 6. Press SET.
Operating 29 Sleep Timer Setting Press SLEEP repeatedly to select delay time between 10 and 180 minutes. After the delay time, the unit will be turned off. To cancel the sleep function, press SLEEP repeatedly until “SLEEP 10” appears, and then press SLEEP once again while “SLEEP 10” is displayed. ,,Note yy You can check the remaining time before the unit is turned off. yy Press SLEEP. The remaining time appears in the display window. Press SLEEP once. The display window will be darkened by half.
Operating Auto power down Auto function change 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 20 minutes. This unit recognizes input signals such as Bluetooth and LG TV and then changes suitable function automatically. The unit will also turn itself off after six hours if the Main unit has been connected to another device using the analog inputs.
Operating LG Sound Sync 31 1. Turn on the unit by pressing 1 (Power) on the remote control. 2. Press FUNCTION until LG TV function is selected. You can control some functions of this unit by your TV’s remote control with LG Sound Sync. It is compatible with LG TV that supports LG Sound Sync. Make sure your TV has the LG Sound Sync logo. Controllable function by LG TV’s remote control : Volume up/down, mute Refer to the TV’s instruction manual for the details of LG Sound Sync.
Troubleshooting Troubleshooting Problem The unit does not work properly. Cause & Correction yy Turn off the power of this unit and the connected external device (TV, Woofer, DVD-player, Amplifier, etc.) and turn it on again. yy Disconnect the power cord of this unit and the connected external device (TV, Woofer, DVD-player, Amplifier, etc.) and then try connecting again. yy Previous setting may not be saved when device power is shut off. yy The power cord is not plugged in. Plug in the power cord.
Appendix 33 General specifications General Power requirements Refer to the main label. Refer to the main label. Power consumption Networked standby : 0.4 W (If all network ports are activated.) Dimensions (W x H x D) (206 x 308 x 284) mm Net Weight (Approx.) 3.1 kg Operating temperature 5 °C to 35 °C Operating humidity 5 % to 90 % Bus Power Supply 5 V 0 500 mA Inputs AUX IN 2.0 Vrms (1 kHz, 0 dB), 75 Ω, RCA jack (L, R) Port In 1.2 Vrms (3.5 mm stereo jack) Tuner FM Tuning Range 87.
Appendix Speaker specifications Front speaker Type 2 Way 2 Speaker Impedance 3Ω Rated Input Power 320 W Max. Input power 640 W Net Dimensions (W x H x D) (300 x 358 x 265) mm Net Weight 5.5 kg Subwoofer speaker Type 1 Way 1 Speaker Impedance 3Ω Rated Input Power 360 W Max. Input power 720 W Net Dimensions (W x H x D) (310 x 358 x 305) mm Net Weight 6.3 kg yy Design and specifications are subject to change without notice.
Appendix 35 Maintenance Handling the Unit Notes on Discs Handling Discs Never stick paper or tape on the disc. When shipping the unit Storing Discs Please save the original shipping carton and packing materials. If you need to ship the unit, for maximum protection, re-pack the unit as it was originally packed at the factory. After playing, store the disc in its case. Do not expose the disc to direct sunlight or sources of heat and never leave it in a parked car exposed to direct sunlight.
