LG Electronics 3LB5D Troubleshooting, Remote control Doesn’t work Power is suddenly Turned off

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APPENDIX

TROUBLESHOOTING

The operation does not work normally.

The remote control

doesn’t work

Power is suddenly

turned off

Check to see if there is any object between the product and the remote control causing obstruction. Ensure you are pointing the remote control directly at the TV.

Ensure that the batteries are installed with correct polarity (+ to +, - to -).

Ensure that the correct remote operating mode is set: TV, VCR etc.

Install new batteries.

Is the sleep timer set?

Check the power control settings. Power interrupted.

No broadcast on station tuned with Auto off activated.

The video function does not work.

No picture & No sound

Check whether the product is turned on.

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

Is the power cord inserted into wall power outlet?

Check your antenna direction and/or location.

Test the wall power outlet, plug another product’s power cord into the outlet where the product’s power cord was plugged in.

Picture appears slowly

after switching on

No or poor color

or poor picture

Horizontal/vertical bars

or picture shaking

Poor reception on

some channels

Lines or streaks

in pictures

This is normal, the image is muted during the product startups process. Please contact your service center, if the picture has not appeared after five minutes.

Adjust Color in menu option.

Keep a sufficient distance between the product and the VCR.

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

Are the video cables installed properly?

Activate any function to restore the brightness of the picture.

Check for local interference such as an electrical appliance or power tool.

Station or cable product experiencing problems, tune to another station.

Station signal is weak, reorient antenna to receive weaker station.

Check for sources of possible interference.

Check antenna (Change the direction of the antenna).

APPENDIX

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Contents LCD TV TruSurround XT Duct to Rain or Moisture ApplianceDo not use this apparatus near water Important Safety InstructionsIncluding amplifiersthat produce heat Grounding Contents IR Codes External Control through RS-232C Troubleshooting Maintenance Product SpecificationsFeatures of this TV Preparation AccessoriesChannel Remote Control SensorVolume Front Panel Controls37/42/47/52LB5D Here shown may be somewhat different from your TV Back Panel InformationVideo device Video Preparation HDMI/DVIComponent Rgbpc Audio RGB/DVI32/37/42LB4D Attaching the TV to a WallStand Installation Only 32/37 inches models Holder Back Cover for Wire Arrangement37/42/47/52LB5D Vesa Wall Mounting Desktop Pedestal InstallationCable Using both cable and antennaAntenna or Cable Connection Antenna analog or digitalHow to use HD Receiver SetupWhen connecting Component cable How to connectOr 3 jack on the set When connecting D-sub 15pin cableWhen connecting Hdmi cable Connect the digital set-top box to HDMI/DVI IN1When connecting Hdmi to DVI cable External Equipment SetupMatch the jack colors = green, PB = blue, and PR = red DVD SetupTurn on the DVD player, insert a DVD When connecting with an S-Video cableRemote control Input jacks on the setWhen connecting with an antenna VCR SetupSetup Connect the AUDIO/VIDEO jacks between TV When connecting with a RCA cableWhite,and Audio Right = red Other A/V Source Setup When connecting D-sub 15 pin cable PC SetupRGB External Equipment Setup 720x400 Supported Display Specifications RGB/HDMI-PCSupported Display Specifications HDMI-DTV Supported Display Specifications Y, CB /PB, CR /PRPress the G button to enter the screen adjustment Menu Screen Setup for PC modeOverview Press the Enter button Initializing Reset to original factory valuesConnect the USB device to the USB in jacks on the side of TV USB in SetupConnect audio outputs to the TV’s Audio OUT jacks Audio OUT SetupVCR/DVD Control video cassette recorders or DVD players Remote Control FunctionsWatching TV / Channel Control Watching TV Inside the Sliding CoverChannel Control Watching Turning on TVControl Channel Selection If you want to switch the sound off, press the Mute but Ton Volume AdjustmentAdjust the volume to suit your personal preference Press the VOL D or E button to adjust the volumeAudio Setup PictureON-SCREEN Menus Selection OptionAuto ScanAuto Tuning Channel SetupSelect DTV, TV, CADTV, and Catv Add/Delete ChannelManual TuningChannel Editing AV2 Input ListRGB-PC Component2 SimpLink Preparations Additional cables and settingsSimpLink device with the Hdmi cable SimpLink Functions When a device isSimpLink Menu Input Label Media Host Entry ModesUsable USB memory Current page/Total pages Photo ListPhoto Selection and PopUp Menu Selected photo is displayed in full size When selected, the selected photos are displayedMedia PopUp menuMedia Host Music file on your USB device can be played by this unit Music ListMusic Selection and PopUp Menu Picture Control RGB-PC input source use 43 or 169 aspect ratioPicture Mode -Preset Preset Picture SettingsYou can also use the Picture menu to adjust Picture Mode Select Color Temperature Color Tone -PresetTo select the Picture menu Picture Mode -User Mode Manual Picture AdjustmentOr E button to Color Tone -User ModeSelect User Select XD XD Picture Improvement TechnologyUse the F or G button to select O n or Off Advanced -CINEMA 32 Pulldown Mode Select Black level ADVANCED-BLACKDARKNESS LevelSelect TruM Only 32/37/42LB4D modelsTo original values Picture ResetSound & Language Control Sound & Language ControlYou can also adjust Sound Mode in the Audio menu Preset Sound Settings Sound ModeFront Surround Adjust the sound to suit your taste and room situations3D EchoSound System Press the G button and then useTo select the Audio menu BalanceSound STEREO/SAP Broadcast Setup TV Speakers ON/OFF Setup Select Language Audio LanguageON-SCREEN Menus Language Selection Caption Caption ModeText Select Analog Using the Menu buttonDigital Broadcasting System Captions Sound &LANGUAGE Control Your viewing area observes Daylight Saving time Clock SettingAuto Clock Setup Select your viewing area time zoneSelect Manual Manual Clock SetupSetting Select ClockAuto ON/OFF Time Setting Time Setting Sleep Time SettingOptions 10, 20, 30, 60, 90, 120, 180, and 240 minutes Auto SHUT-OFF Setting Parental Control / Rating SET Password & Lock SystemSetting up your Password Chip rating and categoriesLock System Set PasswordUse D E F G button to select a channel and then Channel BlockingTo choose Block Channel With channel numbers and a preview pictureTo choose Movie Rating Movie & TV RatingMovie Rating Mpaa -for USA only Or E buttonTV Rating General -for USA only TV Rating Children -for USA onlyTV Rating english for Canada only Set to even if you turn the TV off KEY LockTo choose Input Block Locking out the front panel controlsRemote control Doesn’t work Power is suddenly Turned off TroubleshootingAppendix Reinstall the PC video card Check the signal cableCheck the input source Extended Absence MaintenanceCleaning the Screen Cleaning the Cabinet37LB5D Product Specifications32LB4D Programming a code into a remote mode Programming the Remote ControlVCRs Remote control codeHdstb Cable BoxDVD AudioIR Codes Remote Control IR CodesCode Function GND RS-232C SetupType of Connector D-Sub 9-Pin Male External Control Through RS-232CCommunication Parameters RS-232C ConfigurationsThis product has command echo back in the RS-232C Command Set IDTint Sharpness Command Reference ListTransmission Transmission / Receiving Protocol104 105 106 107

3LB5D, 37LB5D specifications

LG Electronics has always been at the forefront of innovative display technologies, and the 3LB5D and 37LB5D models are no exceptions. Designed primarily for professional use, these displays stand out due to their cutting-edge features and robust performance, appealing to businesses needing reliability and quality.

The LG 3LB5D offers a full HD resolution of 1920 x 1080 pixels, ensuring that images are sharp and vibrant. This model comes equipped with LG's advanced LED backlighting technology, which enhances brightness and contrast ratios, providing clearer visuals in various lighting conditions. The 3LB5D supports a wide range of connectivity options, including HDMI, DisplayPort, and USB, allowing seamless integration with multiple devices, whether for presentations or entertainment purposes.

One of the standout features of the 3LB5D is its ability to operate in portrait or landscape orientation, making it versatile for different display setups. It also includes an anti-glare screen, which is particularly beneficial in environments with significant ambient light, ensuring that the content is easily viewable without distractions from reflections or glare.

On the other hand, the LG 37LB5D takes everything a step further with a larger screen size. It boasts a 37-inch display, which maximizes visibility and engagement in larger rooms. This model also features LG's In-Plane Switching (IPS) technology, which provides wider viewing angles and superior color accuracy compared to traditional panels. As a result, onlookers can enjoy consistent color from various positions, making it ideal for presentations or collaborative work.

The 37LB5D is further enhanced by its advanced content management system, enabling users to schedule and manage digital signage content effortlessly. It supports Real-time monitoring and management through a user-friendly interface, allowing for updates and changes to be made on the fly, ensuring that the display remains fresh and relevant.

Both models are designed with energy efficiency in mind, contributing to lower electricity costs without sacrificing brightness or clarity. Furthermore, they are crafted with durability in mind, ensuring that they can withstand the rigors of daily use in high-traffic environments.

Overall, LG's 3LB5D and 37LB5D models present exceptional choices for businesses seeking high-performance displays that combine advanced technology with practical functionality, catering to a wide array of professional settings.