LG Electronics 37LT770H, 47LT770H, 42LT770H, 32LT770H setup guide General Troubleshooting

Page 70

Troubleshooting

General Troubleshooting

Some Quick and Easy Tips for Resolving Problems

Symptom

Possible Cause(s)

Possible Solution(s)

Installation

Cannot direct enter channel number.

(TV in Pass-through Mode) Installer

If Installer Menu item 028 CH. OVERIDE is set to 0, only

Menu item 028 CH. OVERIDE is set to

channels that are active in the TV’s channel lineup can be

0, i.e., disabled (recommended setting).

selected. Set CH. OVERIDE to 1 to allow access for direct

 

keypad entry to all channels.

(TV in FTG Mode) The channel entered

Channel access is restricted to channels included in the FTG

is not part of the FTG Channel Map.

Channel Map. If necessary, make changes to the FTG Channel

 

Map using the FTG File Manager or the FTG Device

 

Configuration Application, as appropriate.

Power

No power.

See troubleshooting flow chart on following page.

Picture Reception and Sound

No picture.

TV is turned OFF.

 

Turn TV ON.

 

 

 

Power failure?

 

 

 

 

 

Antenna/cable not connected.

 

Connect antenna/cable signal to TV.

 

Connections incorrect.

 

Check connections on TV.

 

MPI not connected.

 

If applicable, connect MPI cable to MPI device.

 

Encrypted program.

 

Try another channel.

 

Wrong tuning band.

 

Adjust Installer Menu settings.

Normal picture,

Audio muted.

 

Press MUTE or use Volume Up key to increase sound level.

poor or no sound.

 

 

 

 

Broadcast problem.

 

Try a different channel.

 

 

Erratic Operation

 

 

 

 

Installer Menu setup.

Wrong Installer Menu settings.

 

Adjust Installer Menu settings as required.

Installer Remote

 

 

 

 

Remote doesn’t work.

Remote not in TV Mode.

 

Use MODE key to select “TV”; puts remote into TV Mode.

 

 

 

 

 

Not aimed at IR remote sensor.

 

Point remote at IR receiver on TV.

 

Remote too far from IR sensor.

 

Move remote closer to IR receiver on TV or darken room.

 

MPI not connected.

 

If applicable, connect MPI cable to MPI device.

 

IR path to TV’s receiver obstructed.

 

Remove obstructions.

 

Weak batteries.

 

Replace batteries.

 

Wrong battery polarity.

 

Check that “+” and “-” match in battery compartment.

 

Too much light in room.

 

Dim room light.

 

Wrong Installer Remote.

 

Requires compatible Installer Remote. Contact your LG dealer.

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Contents 206-4214 Rev B Copyright 2012 LG Electronics U.S.A., IncFor Customer Support/Service, please call­ Grounding Power CordOverloading Disconnect DeviceAntenna Grounding According to NEC, ANSI/NFPA CleaningOutdoor Antenna Grounding Transporting ProductTable of Contents Setup Checklist Commercial Mode OverviewPass-through Mode Installer Menu External MPI ControlFTG Mode Remote Management in FTG ModeProCentric Operation ProCentric TV Interactive Menu FeaturesProCentric Interactive Menu Navigation ProCentric Setup Automated Installation Routine Wizard Before you begin, note the followingProCentric Auto Configuration ProCentric Manual ConfigurationRF Configuration IP ConfigurationUSB Configuration Before You Begin Custom Master TV SetupClonable TV Setup Menu Features Cloning MethodsSet Installer Menu items Custom Master TV Setup ProcedureTurn on the TV Set up TV features Optional Run Auto TuningVerify the TV setup Recommended Lock the channel lineupAccessing the Installer Menu Installer MenuAcronym Description Navigation within the Installer Menu Using the Installer MenuExiting the Installer Menu and Activating Updates Changing Installer Menu SettingsInstaller Menu Items 000 through Brief Description of Function and CommentsInstaller Menu Items 078 through Rear RGB ENDetailed Descriptions of Installer Menu Items Installer SequenceFeature Level Mute DisableSleep Timer HDMI1 EnableHDMI3 Enable HDMI2 EnableAUX Status Back Lighting Atsc Tune ModeProcentric Atsc BandPower Savings Data ChannelChannel Icons / Custom Text Labels 2-5-4 + Menu Mode To perform channel editing/labelingCloning Overview Before you begin cloningLearn Setup from Master TV USB Cloning ProceduresUSB Cloning Notes Teach Master TV Setup to Target TV XxLT770H-UA00001.TLL Teach To TV TLL TLL-1100A Clone Programmer Clone Programmer Cloning ProceduresTLL-1100A Cloning Notes MPIOptional Set the Clock LT2002 Cloning Notes LT2002 Clone ProgrammerClone Programmer Cloning Procedures FTG Mode via CPU FTG Mode of Operation OverviewFTG Mode via CPU or EBL FTG Mode via EBLTV Setup Menus Determining the TV Operating ModeFunction Menu FTG Mode via CPU From previous Teaching FTG Configuration to a TV Learning FTG Configuration from a TV Optional Manual Configuration / TV Setup Run Auto Tuning Channel SearchFTG File Manager Main Screen FTG Configuration ListFTG File Manager Utilities Overview CLEAR/SAVEFTG Channel Map Configuration Utility Print MAPADD UpdateFTG Channel Map Editor ExitFTG Installer Menu Configuration Utility Configuration SettingsAccessing the IP Environment Menu IP Environment SetupConfiguring the Network Connection Wired Network Connection Wireless Network ConnectionNetwork Connection Wireless network is connected Network StatusIP Stream Control Port Number fields become accessible Wake On LAN Setup ProCentric Application Mode ConfigurationMedia Share Setup TV Connections Remote Jack Pack / TV Connections & SetupRemote Jack Pack Setup HDMI/DVIChecking the Software Versions Upgrading TV/PTC SoftwareSplash Screen Image File Guidelines Downloading a Splash Screen ImageReference Power Consumption Settings StaticReference TV Aux Input Configuration Enable001 Default Off Reference b-LAN Setup & OverviewTV Standby State TV Power On State PowerReference FTG Mode via EBL Local Configuration USB-to-TTL Serial CableReference RJP Model List & Input Auto-sensing Hierarchy Priority Video AudioAdditional FTG Mode via CPU Options Reference Restoring Factory Defaults on the TVsInstaller Menu Item 117 Fact Default Additional FTG Mode via EBL OptionsReference TV Zone Restrictions Reference Wi-Fi Screen Share Option Reference LT770H Rear and Side Jack Panels Side Jack PanelReference External Speaker Setup Reference Installer Remote Control Typical Key Functions PowerTroubleshooting General TroubleshootingTroubleshooting Flow Chart Controller Quick CheckFTG Operation Troubleshooting Commercial Mode Check / FTG Operation TroubleshootingSymptom Possible Causes Solutions Symptom Possible Causes Possible Solutions Clone Programmer TroubleshootingReset Clone Programmer After Static Shock Clone ProgrammerCPU Glossary of TermsPTC EBLOpen Source Software Notice Document Revision History / Open Source Software NoticeDocument Revision History Date DescriptionFor Customer Support/Service, please call­
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