LG Electronics DU-42LZ30, DU-30LZ30 owner manual Troubleshooting Checklist

Page 44

Troubleshooting Checklist

Troubleshooting Checklist

No picture &

No sound

Picture OK &

No sound

The remote control

doesn’t work

Picture appears slowly

after switching on

No or poor color or poor picture

Horizontal/vertical bars

or picture shaking

No output from one of

the speakers

Unusual sound from

inside the TV

•Check whether the TV is turned on.

•Is the power cord inserted into wall power outlet?

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

•Press the VOLUME (G) button.

•Sound muted? Press MUTE button.

•Check to see if there is any object between the TV and the remote control causing obstruction.

•Are batteries installed with correct polarity (+ to +, - to -)? (Refer to p.8)

•Correct remote operating mode set: TV, VCR etc.?

•Install new batteries. (Refer to p.8)

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

•Select Color in the Video menu and press the VOLUME (G) button. (Refer to p.21)

•Keep a sufficient distance between the TV and the VCR.

•Activate any function to restore the brightness of the picture.

(If still picture is on the screen for more than 5 minutes, the screen gets dark.)

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

•Adjust Balance in the AUDIO menu. (Refer to p.23)

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

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Contents LCD DU-42LZ30Power Cord Polarization Important safeguards for you and your new product CleaningAccessories, Carts, and Stands Power SourcesSafety Instructions Contents Volume F, G Buttons Enter ButtonMenu Button ON/OFF ButtonConnection Options DU-30LZ30Remote Control Key Functions Number buttonsInstallation Installation InstructionWire Holders Rear A/V CoverAntenna Connection Analog and Digital TV signals provided on one antennaExternal Equipment Connections VCR Setup Cable TV SetupConnection Option Cable BoxExternal A/V Source Setup How to connectHow to use Monitor Out SetupHdstb Setup Digital Audio OutputDigital Set-top Box Component 1, Component 2, RGB-DTV, or DVI-DTV sourceResolution Horizontal Vertical PC SetupMonitor Display Specifications RGB-PC / DVI-PC Mode Initializing Reset to original factory values Screen Setup for PC modeAdjustment for screen Position, Clock, and Phase Turning on the TV just after installation Turning on the TV power cord is still connectedTurning the TV On On-screen Menus Language SelectionChannel Edit Setup Menu OptionsEZ Scan Channel Search DTV Signal Strength Channel Label SetupFront LED Light Emitting Diode Display Setup Menu OptionsMain Picture Source Selection Video Menu Options EZ PictureManual Picture Control User option XD FunctionVideo Menu Options Color Temperature ControlVideo Preset Audio Menu Options Audio LanguageEZ SoundRite EZ SoundStereo/SAP Broadcasts Setup TV Speakers On/Off SetupAudio Menu Options Front SurroundAuto Clock Setup Manual Clock SetupOn/Off Timer Setup For only On timer functionAuto Off Sleep TimerTime Menu Options Option Menu Features Aspect Ratio ControlOption Menu Features Caption ModeCaption Analog Broadcasting System CaptionsCinema Mode Setup Split Zoom DTV 720p, or 1080i mode onlyCaption Option Demo ReviewLock Menu Options Chip rating and categoriesTV Rating Children TV Rating GeneralParental Lock Setup Selecting an Input Signal Source for PIP/Twin Picture PIP Picture-In-Picture / POP / Twin PictureWatching PIP/POP/Twin Picture Swapping the PIP/Twin PicturePOP Picture-out-of-Picture Channel Scan Adjusting Main and Sub Picture Sizes for Twin PictureMoving the PIP sub picture External Control Device Setup RS-232C SetupType of Connector D-Sub 9-Pin Male RS-232C ConfigurationsCommand Reference List Set IDCommunication Parameters Transmission / Receiving ProtocolPower Command2a Volume Mute Command2eInput Select Command2b Main Picture Input Aspect Ratio Command2c Main picture formatColor Command2i Tint Command2jSharpness Command2k OSD Select Command2lColor Temperature Command2u PIP Input Select Command2yChannel Add/Del Command m b Key Command m cHow to Connect Remote Control IR CodesCode Hexa Function Programming a code into a remote mode Programming the RemoteProgramming Codes VCRsHdstb AudioTroubleshooting Checklist Extended Absence Cleaning the ScreenCleaning the Cabinet Product Specifications LG Electronics, Inc LCD Television Limited Warranty USA Image-Persistence Cause & Prevention Customer Interactive Center Numbers No 3828TUL229C0404-REV01

DU-42LZ30, DU-30LZ30 specifications

LG Electronics has long been a prominent player in the world of home entertainment, and their DU-30LZ30 and DU-42LZ30 models are a testament to the company's commitment to quality and innovation. These innovative television models offer a range of features and technologies that enhance the viewing experience, making them a solid choice for both casual viewers and avid cinephiles alike.

The DU-30LZ30 boasts a 30-inch screen size, while the DU-42LZ30 offers a larger 42-inch display. Both televisions utilize an LCD panel that delivers vibrant colors and sharp images, ensuring that every viewing experience is captivating. With a high resolution, the HD picture quality enhances detail, making movies, shows, and sports more immersive than ever.

One of the standout features of both models is their impressive contrast ratio. This allows viewers to enjoy deep blacks and bright whites, which significantly enhances the overall image quality. Furthermore, the combination of a wide color gamut and advanced image processing technologies ensures that colors are reproduced accurately and vividly.

In terms of connectivity, LG has designed the DU-30LZ30 and DU-42LZ30 to accommodate modern viewing needs. Both models come equipped with multiple HDMI ports, as well as USB connectivity, enabling users to effortlessly connect their favorite devices—be it a game console, Blu-ray player, or streaming device. This versatility means that these televisions can easily become the hub of any home entertainment system.

LG's progressive scan technology is another appealing feature, as it minimizes motion blur, particularly during fast-paced action scenes in movies or sports broadcasts. This results in smoother motion and a more enjoyable viewing experience without the distraction of interrupted frames.

Adding to the televisions’ appeal, LG includes a user-friendly interface that simplifies navigation. The on-screen menus are intuitive, allowing users to easily access content from various sources, customize settings, and enjoy smart features, including support for popular streaming services.

Overall, the LG DU-30LZ30 and DU-42LZ30 models are designed to offer a blend of quality, performance, and versatility. With their advanced technologies and user-friendly features, they cater to a diverse audience, ensuring that watching television becomes an engaging and enjoyable activity for everyone. Whether it's a family movie night or a solo binge-watching session, these LG models stand ready to deliver an outstanding experience.
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