Troubleshooting, General | LG Electronics 50PT490E specs

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78TROUBLESHOOTING

TROUBLESHOOTING

General

Problem	Resolution

Cannot control the TV with the	yyCheck the remote control sensor on the product and try again.
remote control.	yyCheck if there is any obstacle between the product and the remote control.
	yyCheck if the batteries are still working and properly installed ( to , to ).
	yyCheck if the appropriate input mode such as TV or VCR is set for using the
	remote control.

No image display and no sound is	yyCheck if the product is turned on.
produced.	yyCheck if the power cord is connected to a wall outlet.
	yyCheck if there is a problem in the wall outlet by connecting other products.

Image appears slowly when the TV	yyThe image is muted during the product startup process. This is normal. If the
turns on.	image does not appear in a few minutes, unplug the TV for 30 seconds and try
	again. If the image still does not appear, contact the authorized service center
	in your local area.

Cannot connect external devices.	yyRefer to the "Connection Overview" and connect an external device.

The TV turns off suddenly.	yyCheck the power control settings. The power supply may be interrupted.
	yyCheck if the Auto sleep feature is activated in the Time settings.
	Refer to the "Sleep Timer".
	yyIf there is no signal while the TV is on, the TV will turn off automatically after
	15 minutes of inactivity.

Audio

Problem	Resolution

No sound is produced while images	yyPress VOL + or - button.
are displaying.	yyCheck if the sound is muted by pressing MUTE.
	yyScroll to other channels. There may a problem with the broadcast.
	yyCheck if the TV Speaker feature is activated in the menu option.

No output from one of the speakers	yyAdjust Balance in the menu option.

Unusual sound from inside the TV is	yyA change in ambient humidity or temperature may result in an unusual noise
produced.	when the product turns on or off. There is no problem with your product.

Image 78

LG Electronics 50PT490E owner manual Troubleshooting, General, Problem Resolution

Contents

Plasma TV Licenses Important Safety Instructions English Antenna grounding according to the National YyCleaningYyDISCONNECTING Device from the Main YyGrounding YyDot Defect YyGenerated Sound Table of Contents Entertainment Remote control and batteries AAA Assembling and PreparingUnpacking Additional accessories M5 x M6 x M4 x Screw for assembly Cable holderCharging Cable Optional Extras Parts and buttons Attaching the stand Setting up the TVLifting and moving the TV Protection Model Screw for Number Assembly Screws 50PT490E M4 x Stand BaseStand Pole Mounting on a table Wall mount kits are described in the following Mounting on a wallMake sure to use screws and wall mounts that Vesa Tidying cables Attaching Pen Holder Bracket TV / RAD Remote ControlPower View Mute VOLMark Back Subtitle Colored buttonsControl buttons Freeze Copper wire Connecting to an antenna or cableConnecting an antenna or basic cable Watching TV Language Mode Setting Time Zone Auto Tuning Turning the TV on for the first time Setting up channels Watching TVManaging channels Using favorite channels EnterFAV Start time Progress bar Checking current program infoNext 1140 News HE-AAC Button Description Info Day Guide Mode EPG Electronic Program Guide In digital modeNOW/NEXT Guide Mode Date Setting Mode Manual Timer Mode Schedule List Mode Using additional options Adjusting aspect ratioResizes images to the previous standard Using the input list Changing AV modes Key Lock and press Enter Locking the buttons on the TVChild Lock Off Testing the Picture / Sound Using the quick menuUsing the customer support Using the product or service information Using Pentouch Pentouch Installing the USB Dongle Driver Step of using the Pentouch ProgramInstalling the Pentouch Program System Requirements Removing the Pentouch Program and Driver Pairing between Touch Pen and DongleWhat is Pairing? No. Description YyPentouch operation may not be normal while charging Windows XP Using the Pentouch FunctionDisplay Resolution Settings for Pentouch Windows Vista English Checking the Pentouch When you select the SettingSelect Setting from the Pentouch Home Functions Using Toolbar Fixed Toolbar Functions Using Sketchbook Select image for background Move Expansion / ReductionRotation Using Photo Editor Specialized toolbar functions Using Family Diary Using GalleryUse the toolbar to create and decorate the family diary Select image for memo Using InternetMemo Capture all Using My Office My Office Connecting USB storage devices Entertainment Button List Yellow Browsing filesButton Description Green Type Supported File Formats Viewing Videos Music yyMP3 Produced with certain encoders Energy Set Video Play Set VideoSet Audio DivX registration code Mode Viewing PhotosMenu BGM Option Description Slide Speed Listening to musicSet Photo View Menu Description Play Marked Select Repeat or Random option Yy Non-supported files are displayed usingSet Audio Play Time elapsed /Duration Customizing TV Settings Main MenusLock See p.66 Locks or unlocks Channels and programs Customizing Settings Setup SettingsAvailable channel settings are described in the following Picture Settings Available picture settings are described in the following Screen Setting Description Picture ModeBasic Image Options Option Dynamic Color Setting Description Dynamic ContrastColor Temperature Noise Reduction Setting Description Color Management System Sound Mode Audio SettingsSetting Description Auto Volume Clear Voice Out SettingDigital Audio Audio Input Digital Audio output Setting Description Clock Time SettingsAvailable time settings are described in the following Sleep Timer Lock Settings Available lock settings are described in the following Option Settings Setting Description ISM Method Factory ResetSet ID Making Connections Connection Overview Gaming device DVI to Hdmi Connection Connecting to a HD receiver, DVD or VCR playerHdmi Connection Component Connection Connecting to a PC Composite Connection Illustrations. To transmit an audio signal, connect Transmits the analog video signal from your PC toPin signal cable as shown in the following With the resolution, vertical pattern, contrast Connecting to an Audio System Connecting to a USBDigital optical audio connection Activating and Using Simplink menus Simplink Connection Maintenance Updating the TV Firmware Preventing Image burn or Burn-in on your TV screen Cleaning Your TVPower cord Screen and frame Troubleshooting Problem ResolutionGeneral Movie Pentouch Specifications Models Hdmi DTV supported mode RGB PC, Hdmi PC supported modeComponent port connecting information Component supported mode File Video Decoder Audio Codec Max Resolution Extension Name IR Codes Code Function Hexa Type of connector D-Sub 9-Pin Male External Control Device SetupRS-232C Setup RS-232C Wire Configurations Not standard RS-232C configurationsWire Configuration Serial female-female Null modem cable Set ID Set ID number Command reference list DataDATA00 DATA01 DATA02 DATA03 DATA04 DATA05 Command2 Set ID NGDatax Command1Command2 Set ID DataCrCommand2 Set ID OKDatax Transmission / Receiving protocol Power Command k a Volume Control Command k f To adjust volume Energy Saving Command j q OSD Select Command k l ISM Method Command j pRemote Control Lock Mode Command k m Treble Command k r Key Command m c Open Source License Open source software noticeLicense Component GNU General Public License Preamble English English No Warranty END of Terms and Conditions English English English English No Warranty How to Apply These Terms to Your New Libraries ‘’Contributor Version’’ Definitions Commercial Use‘’Contributor’’ ‘’Covered Code’’ Source Code License Initial Developer Grant 11. ‘’Source Code’’You’’ or Your Contributor Grant Description of Modifications Distribution Obligations Application of LicenseAvailability of Source Code Intellectual Property Matters Third Party Claims Disclaimer of Warranty English MULTIPLE-LICENSED Code MiscellaneousResponsibility for Claims Exhibit a -Mozilla Public License OpenSSL License MIT license Expat license Redistribution No WarrantyLegal Terms Definitions Advertising Jpeg license Strace Xyssl RSA Data Security license Model Serial