LG Electronics 42LC2RR, 37LC2RR owner manual Audio function does not work

Page 89

The audio function does not work.

Picture OK &

No sound

No output from one

of the speakers

Unusual sound from inside the product

■Press the VOL or VOLUME button.

■Sound muted? Press MUTE button.

■Try another channel. The problem may be with the broadcast.

■Are the audio cables installed properly?

■Adjust Balance in menu option.

■A change in ambient humidity or temperature may result in an unusual noise when the product is turned on or off and does not indicate a fault with the product.

There is a problem in PC mode. (Only PC mode applied)

The signal is out of

range.

Vertical bar or stripe on back- ground & Horizontal Noise & Incorrect position

Screen color is

unstable or single

color

■Adjust resolution, horizontal frequency, or vertical frequency.

■Check the input source.

■Work the Auto configure or adjust clock, phase, or H/V position. (Option)

■Check the signal cable.

■Reinstall the PC video card.

APPENDIX

Image 89

Contents LCD TV Page Earth wire should be connected Important Safety InstructionsWet Location Marking Do not insert any object into the exhaust ventDo not pull the cord but the plug when unplugging Do not use water the product while cleaningNever touch the power plug with a wet hand Clean the internal part of the product Aerosol cleanersUnplug this product from the wall outlet Onal length of the screenContents Auto Configure Rgbpc Mode Only On Screen Menus Selection and AdjustmentInitializing Reset to Original Factory Settings ContentsIntroduction AccessoriesDVR Home MenuControls Remote Control Sensor Power Standby IndicatorConnection Options Returns to the TV mode Or off, depending on modeBrightness Adjusts brightness on screen Mode sourceRemote control effective range Installing BatteriesBundle the cables using the supplied twister holder Wire ArrangementHow to remove the Cable Management Installation Desktop Pedestal InstallationEnsure adequate ventilation by follow Ing the clearance recommendationsConnections & Setup Connections & SetupWhen connecting with an antenna VCR SetupHow to connect How to useWhen connecting with an S-Video cable When connecting with a RCA cableSetup ConnectionsExternal Stereo External Equipment ConnectionsAV OUT Setup Refer to the DVD players manual for operating instructions DVD SetupWhen connecting with a component cable Turn on the DVD player, insert a DVD When connecting Hdmi cableRemote control 480i Hdstb SET-TOP BOX SetupTurn on the digital set-top box RGB PC/DTV jack on the set When connecting with a Hdmi cableConnect the RGB output of the digital set-top box to Hdmi in 1DVI jack on the set When connecting with a Hdmi to DVI cableAudio PC SetupWhen connecting with a D-sub 15 pin cable Connect the PC audio Output When connecting Hdmi to DVI cable 1. How to connect640x480 Supported Display Resolution RGBPC/HDMI PC mode720x400 800x600Turning the TV on Volume AdjustmentChannel Selection Basic OperationON-SCREEN Menus Language Selection Basic OperationSpecial Functions Time Control‘Progress Bar’? Progressing the Time Control FunctionButton to speed up Using the remote controlProgressing the Time control function, play Instant Record RecordingStatus bar will be displayed After adjusting the recording time, select ENTER.Watching & Record Recorded Program Selection and Popup Menu Recorded TVFunctions Playing Recorded ProgramsSpecial Using the Remote Control Manual Recording After setting the Manual Rec., press the Enter buttonVideo Quality Scheduled ListIf you selects Yes, this message is displayed When completing, this message is displayedWatching PIP/Double Window/POP Selecting an Input Signal Source for PIP/Double WindowTV Program Selection for PIP AV1 AV2Moving the Sub Picture PIP mode only Sub Picture Size Adjustment PIP mode onlyAdjusting PIP Transparency PIP mode only Swapping the PIP/Double WindowOn Screen Menus Selection and Adjustment Or E button to select Cable TV ChannelsManual Program ADDING/DELETING Channels TV Menu / SetupTV Menu Fine Tuning AdjustmentManual program FineBooster Favorite Channel Favorite Channels SetupFirst favorite channel position Use the F or G button to set the desired channelPicture Adjustment TV Menu Auto Color Temperature Control ACC Appropriate adjustments Manual Color Temperature Control ACC User OptionPicture ADVANCED-CINEMA Mode Setup Black Level ADVANCED-BLACK LevelPress the F or G button to select Low or High Low Screen gets darkerReset To the music TV Menu Sound AdjustmentManual Sound Control Dasp User Option Auto Volume Leveler AVL Menu Balance AdjustmentTV Speakers Setup STEREO/SAP Broadcasts Setup Set the Date and Time Clock SetupON/OFF Timer Setup Auto OFF To select the Timer menuSelect Auto Off Select O n or OffButton once Sleep TimerUtes selected Select Key lock KEY LockTo select the Special menu Closed Captions Using Closed CaptionsTvmenu XD DemoTV Menu Screen Adjustment Phase Manual ConfigureClock Position / V-positionSelect XGA mode Selecting Wide XGA ModeSelect the desired XGA resolution To select the Screen menuRGB-PC and Hdmi PC input source use 43 or 169 aspect ratio You can move the Horizon screen using D or ButtonAspect Ratio Control ARC TV Menu / Screen InitializingRS-232C Setup External Control Device SetupType of Connector D-Sub 9-Pin Male GNDSet ID RS-232C ConfigurationsCommunication Parameters RXD TXD GND DTR DSR RTS CTSTransmission / Receiving Protocol Command Reference ListAppendix Acknowledgement k Set ID OKDatax Transmission k$ Set ID DataCr External Input IR Codes Remote Control IR Codes1st frame Repeat frameCode Function Programming Codes Programming the Remote Control Programming a code into a remote mode VCRs Remote control Doesn’t work Power is suddenly Turned off Troubleshooting ChecklistAudio function does not work Product Specifications MaintenanceCleaning the Screen Cleaning the Cabinet