LG Electronics 42LD420, 32LD350, 47LD450 117, Picture OK & No sound No output from one Speakers

Page 117

The audio 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.

No sound

Check HDMI cable over version 1.3.

Check USB cable over version 2.0.

when connecting HDMI

Use normal MP3 file.

or USB

*This feature is not available for all models.

 

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

The signal is out of range

Vertical bar or stripe on

background &

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

117

Image 117
Contents LCD TV FCC Notice Important Safety Instructions Safety InstructionsSwitch Signal cables on the back of the TVThunder or lighting storm Screen with somethingAntennas Outdoor antenna groundingNormal, there is nothing wrong with TV Contents Auto Volume Leveler Auto Volume Clock SettingExternal Control Through RS-232C BURN-IN on Your TV Screen Feature of this TVPreparation AccessoriesPolishing Cloth Sub 15 pin CableFront Panel Information VolumeSpeaker Channel32/37/42/47LD450 Volume + Buttons26LD350 Back Panel Information32LD350 32/37/42/47LD450 Audio in RGB/DVI RGB in PCOptical Digital Audio OUT Preparation ANTENNA/CABLEStand Instructions For 19/22LD350 Insert the Protection Cover into the TV Protection CoverBack of the TV Stand Body Cover Base Stand Instructions For 26/32LD350Detachment Stand Instructions For 32/37/42/47LD450 Detachment Vesa Wall Mounting 100RW120 26LD350 RW230 200 32LD350 32LD450 RW230 AW-47LG30M For 19/22LD350 Cable ManagementConnect the cables as necessary For 26/32LD350, 32/37/42/47LD450Positioning Your Display For 19/22LD350 Desktop Pedestal Installation Kensington Security System Attaching the TV to a Desk Except 19/22LD350Preparation Antenna Analog or Digital Antenna or Cable ConnectionHow to connect HD Receiver SetupHow to use External Equipment SetupHdmi Connection External Equipment Setup HDMI-DTVDVI to Hdmi Connection External Equipment SetupSetup DVD SetupExternal Equipment= white, and Audio Right = red Composite RCA ConnectionConnect the Hdmi output of the DVD to HDMI/DVI in or HDMI/DVI in 1/2 jack onAntenna Connection VCR SetupInsert a video tape into the VCR and press Play on After connecting the USB I N jack, you use the USB Other A/V Source SetupConnect the USB device to the USB I N jack on the side Function. G p.66Audio OUT Connection Headphone SetupConnect one end of the optical cable to the TV port You can listen to the sound through the headphoneVGA D-Sub 15 pin Connection PC SetupHow to use Supported Display Specifications RGB-PC, HDMI-PC Selecting Resolution Screen Setup for PC modeAuto Configure Can adjust the Position, S i z e or PhaseSelect Yes Adjustment for screen Position, Size, and Phase Enter Select Reset Screen Reset Reset to original factory valuesRemote Control Functions Watching TV / Channel Control Installing BatteriesVolume Adjustment Turning on the TVChannel Selection Time setting Initial SettingSelecting Language Channel ControlTV / Channel Control ON-SCREEN Menus SelectionFor USA Menu Display each menuFor USAFor Canada Menu Display each menu 32LD350, 32/37/42/47LD450Quick Menu LightUSB Device Select Eject in order to eject a USB device Auto Scan Auto Tuning Channel SetupWatching TV / Channel ControlBack Return to the previous menu Add/Delete Channel Manual TuningBlue Add or delete a channel Channel EditingDisplaying Channel List Channel ListSelecting a channel in the channel list Paging through a channel listMenu Select Del/Add/Fav Select Favorite Favorite Channel SetupDisplaying the favorite channel list Favorite Channel ListPaging through a favorite channel list Watching TVBrief Info shows the present screen information Brief InformationShow the Brief Info on the screen Return to TV viewing WatchingInput List Input Label With using Option menu With using Input buttonAV Mode AV Mode toggles through preset Video and Audio settingsSimple Manual Menu Select Option KEY Lock‘ ! Key Lock’ appears on the screen if Return to TV viewing While viewing the TVReturn to TV viewing Simplink Menu Simplink FunctionsDisplay Simplink menu Selected DeviceEntry Modes Precautions when using the USB deviceUSB This TV supports JPG and MP3 filesScreen Components Photo ListPhoto Selection and Popup Menu Photo Use the Mark button to mark or unmark aTos in the folder in a slide show Full Screen Menu Select the Slideshow, BGM Select USB Select Music List Music ListUse the CH button to navigation in the music Music Selection and Popup MenuUSB Picture Picture Size Aspect Ratio ControlWhen adjusting in Q.MENU menu 169Or button Move the image on the screen Picture Wizard Adjust Picture WizardWizard SharpnessPicture Control SaveFinish the Picture Wizard Preset Picture Settings Picture Mode Manual Picture Adjustment User Mode Medium G Picture Improvement TechnologyPicture Expert Picture ControlThis feature is not available for all models OPC Color Gamut Wide Increase number of colors usedEnergy Saving Initialize the adjusted value Picture ResetAdjust the power/standby indicator light of TV front Power Indicator Except 19/22LD350Demo Mode Sound & Language Control Auto Volume Leveler Auto VolumeClear Voice Adjustment for Clear Voice Level With selecting O nMenu Select Audio Select Clear VoiceSound & Language Control Preset Sound Settings Sound ModeSound Setting Adjustment User Mode Balance TV Speakers ON/OFF Setup Audio Reset Analog TV STEREO/SAP Broadcast SetupSound Language ControlAudio Language ON-SCREEN Menus Language Selection Menus can be shown on the screen in the selected languageSound & Language Analog Broadcasting System Captions Caption ModeCaption TextDigital Broadcasting System Captions 100 Caption OptionAuto Clock Setup Clock SettingTime Setting 101102 Manual Clock SetupSetting Auto ON/OFF Time Setting103 TimeSleep Timer Setting Sleep Time turns the TV off at the preset time104 Setting up Your Password SET Password & Lock SystemChip rating and categories 105Lock System When you select O n, the Lock System is enable106 Parental Control / RatingSet Password Change the password by inputting a new password twice107 Channel Blocking 108If a channel is locked, enter the pass Movie Rating Mpaa For USA Movie & TV Rating109 Parental ControlTV Rating Children For USA 110Select Lock Age applies to TV-Y, TV-Y7 111 TV Rating General For USASelect TV Rating-General Select Age, Dialogue, LanguageTV Rating English For Canada 112Selecting Canadian English rating system 113 TV Rating French For Canada114 Downloadable RatingEnables you to block an input External Input Blocking115 Remote control Doesn’t work Power is suddenly Turned off Troubleshooting116 No picture &No sound117 Picture OK & No sound No output from one SpeakersVertical bar or stripe on Background Cleaning the Screen MaintenanceCleaning the Cabinet Extended Absence119 Product Specifications120 Depth Weight With stand Without stand121 IR CodesExternal Control Through RS-232C RS-232C SetupCommunication Parameters 122RS-232C Configurations 123RXD TXD GND DTR DSR RTS CTS Command Reference List Transmission / Receiving Protocol124 Set ID OK/NGDatax 125Data 00 OSD off Data 01 OSD on 126Step 127Version 2, June 128129 130 No WarrantyEND of Terms and Conditions 131132 GNU Lesser General Public License133 134 135 136 How to apply these terms to your new libraries137 Mozilla Public LicenseDistribution Obligations Application of license 138Representations 139140 Disclaimer of WarrantyMiscellaneous 141
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26LD350, 42LD450, 42LD420, 47LD420, 32LD450 specifications

LG Electronics has long been a leader in the television market, and their models 47LD450, 42LD450, 22LD350, 32LD350, and 47LD420 showcase the brand’s commitment to delivering quality and innovation.

The LG LD450 series, particularly the 47LD450 and 42LD450, feature Full HD 1080p resolution, providing crystal-clear images with stunning detail. The LED-backlit technology enhances brightness and contrast, delivering deeper blacks and vibrant colors. These models come equipped with LG's Intelligent Sensor technology, which automatically adjusts picture settings based on ambient light, ensuring optimal viewing conditions whether it’s day or night.

Additionally, both the 47LD450 and 42LD450 support 120Hz refresh rate, which greatly reduces motion blur during fast-moving scenes, making them ideal for watching sports or action-packed movies. The models are also designed with a sleek, modern aesthetic, featuring a slim bezel that enhances the viewer’s immersion in the content.

The 32LD350 and 22LD350 models are perfect for smaller spaces, delivering high-quality performance without compromising on features. Both models boast a 720p resolution, ensuring good picture quality for everyday viewing. The 32LD350 has a larger screen ideal for a bedroom or office, while the 22LD350 is compact enough for kitchens or small rooms.

All these models incorporate LG’s EZ Adjustable Stand, allowing users to easily tilt their screens for the best viewing angle. Furthermore, they come equipped with USB connectivity options, enabling viewers to play their favorite media files directly from flash drives, enhancing the user experience.

The 47LD420 model combines the strengths of its counterparts, featuring a stylish design, alongside 1080p resolution and LED backlighting. With built-in Dolby Digital audio technology, it delivers clear and dynamic sound to complement its stunning visuals.

These televisions also include multiple HDMI ports, providing ample connectivity options for external devices. The combination of design, technology, and functionality evident in the LG Electronics LD450 and LD350 series reflects the company's commitment to creating exceptional viewing experiences. Whether it's gaming, streaming, or watching movies, these models ensure satisfaction and enjoyment for all users.