LG Electronics 72WX70MF Screen image looks abnormal, After-image appears on the product

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52TROUBLESHOOTING

ENGLISH

The screen image looks abnormal.

Problem	Resolution
Is the screen position wrong?	yy D-Sub analog signal - Press the AUTO button in the remote control to
	automatically select the optimal screen status that fits into the current
	mode. If adjustment is not satisfactory, use the Position OSD menu.
	yy See if the video card resolution and frequency are supported by the
	product. If the frequency is out of range, set to the recommended
	resolution in the Control Panel Display Setting menu.
Do thin lines appear on the	yy D-Sub analog signal - Press the AUTO button in the remote control to
background screen?	automatically select an optimal screen status that fits into the current
	mode. If adjustment is not satisfactory, use the Clock OSD menu.
Horizontal noise appears or the	yy D-Sub analog signal - Press the AUTO button in the remote control to
characters look blurred.	automatically select an optimal screen status that fits into the current
	mode. If adjustment is not satisfactory, use the Phase OSD menu.
The screen is displayed	yy The proper input signal is not connected to the signal port. Connect
abnormally.	the signal cable that matches with the source input signal.
	yy There may be a poor signal transmission occurring intermittently
	between the external device and LG monitor set. Disconnect the
	signal cable and then reconnect it. Turn the external device or the LG
	monitor set off and then on again.
When setting the resolution	yy Restart the external devices while the LG monitor is powered on.
for external devices, some	After restarting the external devices, check if the resolution values are
resolution values are not shown	displayed correctly.
correctly in the resolution
settings screen.

After-image appears on the product.

Problem		Resolution
After-image appears when the	yy If you use a fixed image for a long time, the pixels may be damaged
product is turned off.		quickly. Use the screen-saver function.
The audio function does not work.

Problem		Resolution
No sound?	yy See if the audio cable is connected properly.
	yy Adjust the volume.
	yy See if the sound is set properly.
Sound is too dull.	yy Adjust the Clear Voice ll, Treble and Bass appropriately.

Sound is too low.	yy Adjust the volume.

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Contents Monitor Signage Table of Contents Licenses Remote Control and Batteries Power Cord AccessoriesAssembling and Preparing Parts and Buttons Illuminance sensor IR Receiver Power IndicatorConnection Panel Connection panel Portrait Layout Pemnut Not to be UsedRemote Control Volume Up / DownA Button Number and Alphabet ButtonsSelects the Tile Mode Navigation Buttons Scrolls through menus orReturns to Monitor Viewing from any menuUsing the Monitor Connecting to a PCRGB Connection DVI-D ConnectionHdmi Connection Display Port ConnectionSelecting an Image Mode Adjusting the ScreenCustomizing Image Options Selecting an Sound Mode Adjusting the SoundCustomizing PC Display Options Adjusting Aspect Ratio Using Additional OptionsCustomizing Sound Options Just Scan Using the Input List Selecting an input sourceComponent Display PortSelect IP Auto Setting or IP Manual Setting Connecting to a Wired NetworkEntertainment Tips for Network setting Network StatusConnecting USB Storage Devices Browsing Files Viewing Movies Supported File FormatsEnergy Not affect Photo List and Music List Video Play., Set Video. or Set Audio.Music List excluding Movie List Menu Description Picture Size AudioLanguage SubtitleExit the Mark Mode Viewing PhotosPhoto Options Using Photo OptionsOption Description Transition Effect Option Listening to Music Menu DescriptionDisplay the selected music file Mark all music files on the screenButton Description Control playback by using the following buttonsEnergy Saving button Viewing the Contents List DivX VOD Guide DivX VOD RegistrationUsing PIP/PBP Select Movie List or Photo List from MyMedia DivX VOD DeregistrationMovie List Customizing Settings Accessing Main MenusSettings Customizes the generalPicture Settings Enables or disables the luminance maintenance functionMaintenance Picture Mode Mode VividPicture Mode Options Setting Description Dynamic Contrast Dynamic ColorOff/High/Low Clear WhitePress Menu to access the main menus Press the navigation buttons to scroll to the setting orSound Mode Options Press the navigation buttons to scroll to Audio and pressTime Settings To prevent overloadAuto off MinutesOption Settings Setting Description Tile Mode Option ModePC Position PC SizeSetting Description USB Content RecoveryProduct/Service Info Portrait ModeTile Mode Tile Mode Natural Mode EnglishTop left Bottom left Size Top right Bottom right Position1920x1080 Network Settings Making Connections Component Connection Not included YyUse a High Speed Hdmi CableConnecting to a USB AV Cvbs ConnectionConnecting to the LAN Daisy Chain Monitors ModeProblem Resolution TroubleshootingNo image is displayed Screen image looks abnormal Audio function does not work Problem ResolutionAfter-image appears on the product Screen color is abnormal Specifications Applicable only for models that support the speakers DTV Mode RGB PC supported modeHDMI,DVI-D,Display Port PC supported mode IR Codes Code Hexa FunctionConnecting the Cable RS-232C ConfigurationsControlling the Multiple Product Communication ParameterCommand Reference List HexadecimalEnglish Transmission Transmission / Receiving ProtocolAcknowledgement Power Command k a Input Select Command x bEnergy Saving Command j q To set the Energy Saving function Picture Mode Command d x To select the Picture ModeSharpness Command k k Brightness Command k h Tint Command k jColor Command k Position Command f q Position Command f r Size Command f sAuto Configuration Command j u Balance Command k t To adjust the sound balanceBass Command k s Volume Control Command k f Speaker Command dVolume Mute Command k e To control the Volume Mute on/offAcknowledgement Set ID OK/NGData1Data2Data3x Power On Delay Command f h On Timer Input Command f u Sleep Time Command f fAutomatic Standby Command m n ISM mode Command j p Language Command f i To set the language for OSDFail Over Select Command m i To set the Fail Over function Reset Command f k Tile ID Command dTile Mode Command d d Tile H Size Command d g Natural Mode In Tile Mode Command d jDPM Select Command f j Tile V Size Command d h To adjust the Tile Vertical sizeCommand k m Key Command m cTemperature Value Command d n OSD Select Command k lElapsed time return Command d l To check the panel used time Serial No.Check Command f y To check the Serial NumbersPC Power Control Command d t Backlight Command m gPC Power Command d s Control the PC power English Model