LG CM7420 Owner'S Manual Download Page 1

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OWNER’S MANUAL

Mini Hi-Fi System

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

CM7520 (CM7520, CMS7520F/W)
CM7420 (CM7420, CMS7520F)

CM7520-AU.DGHALLK_ENG.indd 1

2012-05-04 2:23:39

ENGLISH

FRANÇAIS

POR
TUGUÊS

Summary of Contents for CM7420

Page 1: ...i System Please read this manual carefully before operating your set and retain it for future reference CM7520 CM7520 CMS7520F W CM7420 CM7420 CMS7520F CM7520 AU DGHALLK_ENG indd 1 2012 05 04 2 23 39 ENGLISH FRANÇAIS PORTUGUÊS ...

Page 2: ...rer s instruction has been adhered to 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 specified herein may result in hazardous radiation exp...

Page 3: ...tery 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 fire or the like 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 You have to set the disc format optio...

Page 4: ...der and an MP3 WMA file 15 Deleting an MP3 WMA file 16 Other Operations 16 Programmed Playback 16 Turn off the sound temporarily 16 AUTO DJ playback 17 Displaying file information ID3 TAG 17 DEMO 17 Using Microphone 18 Radio Operations 18 Listening to the radio 18 Presetting the Radio Stations 18 Deleting all the saved stations 18 Improving poor FM reception 19 Sound adjustment 19 Setting the surr...

Page 5: ...oubleshooting 23 Troubleshooting 23 General 5 Appendix 24 Trademarks and Licenses 25 General specifications 26 Speaker specifications 27 Maintenance 27 Notes on Discs 27 Handling the Unit CM7520 AU DGHALLK_ENG indd 5 2012 05 04 2 23 40 ...

Page 6: ...y MP3 Player Flash type MP3 player y y USB Flash Drive Devices that support USB2 0 or USB1 1 y y The USB function of this unit does not support all USB devices USB device 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 while in operation y y For a large capacity USB it may take longer...

Page 7: ...IP Switches between USB 1 and USB 2 Press USB SKIP in the USB 1 2 mode REPEAT MENU Listens to your tracks files repeatedly or randomly TUNING Selects the radio stations C V Skip Search Skips Fast backward or Forward Searches for a section within a track file Z ENTER Stops playback or recording Cancels DELETE function d M Play Pause Starts or pauses playback SOUND EFFECT Chooses sound impressions A...

Page 8: ...Getting Started 8 Getting Started 1 Front panel CM7520 AU DGHALLK_ENG indd 8 2012 05 04 2 23 41 ...

Page 9: ...mode For more informaion refer to the page 16 BASS BLAST Selects the BASS BLAST or BYPASS sound directly k PORT IN jack MIC jack MIC VOL l Display window m Volume knob Adjusts speaker volume n ENTER Selects a folder when searching a file Selects the BASS MIDDLE AND TREBLE when setting USER EQ FOLDER Moves to folder and file selection mode DEL Deletes MP3 WMA files USB only o FILE SEARCH Moves to t...

Page 10: ...ting Started 10 Getting Started 1 Rear panel a Cooling fan b SPEAKERS terminal c AUX IN connectors L R d ANTENNA FM AM e Power cord CM7420 Speaker Terminal CM7520 AU DGHALLK_ENG indd 10 2012 05 04 2 23 42 ...

Page 11: ...Red Front R CM7420 Color Speaker White Front L Red Front R y y Be careful to make sure children not to 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 TV screen or PC monitor screen Please use the speakers far away from either TV screen or PC m...

Page 12: ...mcoder TV Player etc to the AUX IN L R connector If your device has only one output for audio mono connect it to the left white audio jack on the unit PORT IN Connection Connect an output earphone or line out of portable device MP3 or PMP etc to the PORT IN connector CM7520 AU DGHALLK_ENG indd 12 2012 05 04 2 23 42 ...

Page 13: ...Remove the USB device from the unit Note Antenna Connection Connect the supplied FM AM antenna for listening to the radio Connect the AM loop antenna to the AM antenna connector Connect the FM wire antenna to the FM antenna connector y y To prevent noise pickup keep the AM Loop antenna away from the unit and other components y y Be sure to fully extend the FM wire antenna After connecting the FM w...

Page 14: ...the remote control to go to the desired file or track directly Skipping to the next previous track file During playback 1 By using C V buttons Press C V to go to the next track file or to return to the beginning of the current track file Press C twice briefly to step back to the previous track file 2 By using FILE SEARCH knob Rotate FILE SEARCH on the unit and Press d M to play the track file Play...

Page 15: ... DEL Select the folder you want to delete by pressing FOLDER and rotating FILE SEARCH and press DEL Press and hold DEL to format the USB device Or Press DEL repeatedly during selecting the MP3 WMA file The display changes in the following order DEL FILE Deletes file DEL FOLDER Feletes folder FORMAT Formats USB 2 To delete file folder or format press d M on the remote control or press T ST MONO on ...

Page 16: ...or seamless playback It equalizes volume across tracks files for uninterrupted playback Press AUTO DJ on the remote control or unit repeatedly the display changes as followings RANDOM AUTO DJ RANDOM REPEAT ALL AUTO DJ SEQUENTIAL AUTO DJ OFF Mode Display Window Description OFF AUTO DJ OFF RANDOM RANDOM AUTO DJ RANDOM The music is played randomly on this mode REPEAT REPEAT ALL AUTO DJ SEQUENTIAL The...

Page 17: ...sec the DEMO will play back automatically Note Using Microphone 1 Connect your microphone to the MIC jack 2 Play the music you want 3 Sing along with the accompaniment Adjust the microphone volume by rotating MIC VOL clockwise or unclockwise on the unit y y When not using the microphone set the MIC VOL to minimum or turn off the MIC and remove the microphone from the MIC jack y y If the microphone...

Page 18: ...Press TUNER on the unit or FUNCTION on the remote control until FM or AM appears in the display window 2 Press TUNING on the remote control or Y U on the unit to select a desired frequency 3 Press PROGRAM MEMORY A preset number will blink in the display window 4 Press PRESET FOLDER W S to select the preset number you want 5 Press PROGRAM MEMORY The station is stored 6 Repeat steps 2 to 5 to store ...

Page 19: ...tual rock pop jazz or classic concert MP3 OPT This function is optimized for compressible MP3 file It improves the treble sound BASS BLAST Reinforces the treble bass and surround sound effect LOUDNESS Improves the bass and treble sound BYPASS You can enjoy the sound without equalizer effect y y On some speakers sound may not be heard or heard in low sound depending on the sound mode y y Maybe you ...

Page 20: ...ck the setting status y y If you set the clock time you can check the time by pressing CLOCK even when the player is turned off y y If you set the clock time and alarm you can check the alarm icon by pressing CLOCK even when the player is turned off y y If you set the clock time and alarm you can check the alarm icon and setting informaiton by pressing TIMER even when the unit is turned off Note S...

Page 21: ...an record a various sound source to USB CD USB AUX PORTABLE FM AM 1 Connect the USB device to the unit 2 Select a function in which you want to record by using CD USB 1 2 TUNER or AUX PORT IN on the unit or FUNCTION on the remote control 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 stop Program list record...

Page 22: ...he recording percentage rate for the USB record on the display window during the recording MP3 WMA CD Only y y During recording MP3 WMA there is no sound y y When you stop recording during playback the file that has been recorded at that time will be stored Except MP3 WMA files y y Do not remove the USB device or turn off the unit during USB recording If not an incomplete file may be made and not ...

Page 23: ...tions cannot be tuned in properly y y The antenna is positioned or connected poorly Connect the antenna securely 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 when tuning by scanning preset channels Preset some radio stations see page 18 for details The remote control does not work properl...

Page 24: ...5 Appendix Appendix 24 Appendix 5 Trademarks and Licenses CM7520 AU DGHALLK_ENG indd 24 2012 05 04 2 23 44 ...

Page 25: ...0 dB 600 Ω RCA jack L R x 1 PORT IN 1 2 Vrms 3 5 mm stereo jack Tuner FM Tuning Range 87 5 to 108 0 MHz or 87 50 to 108 00 MHz AM Tuning Range 522 to 1 620 kHz 520 to 1 710 kHz or 522 to 1 710 kHz Amplifier Model CM7520 CM7420 Stereo mode 310 W 310 W 4 Ω at 1 kHz THD 10 325 W 325 W 4 Ω at 1 kHz THD 10 Surround mode Front 310 W 310 W 4 Ω at 1 kHz THD 10 325 W 325 W 4 Ω at 1 kHz THD 10 Subwoofer 310...

Page 26: ...r 620 W 650 W Net Dimensions W x H x D 246 x 475 x 330 mm 246 x 475 x 330 mm Net Weight 7 8 kg 7 8 kg subwoofer Model CMS7520W Type 1 Way 1 speaker Impedance 4 Ω Rated Input Power 310 W Max Input power 620 W Net Dimensions W x H x D 346 x 452 x 330 mm Net Weight 9 6 kg y y Design and specifications are subject to change without notice CM7520 AU DGHALLK_ENG indd 26 2012 05 04 2 23 44 ...

Page 27: ...ls If you need to ship 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 u...

Page 28: ...CM7520 AU DGHALLK_ENG indd 28 2012 05 04 2 23 44 ...

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