LG Electronics 47LY340H, 32LY340H, 55LY340H, 42LY340H, 39LY340H owner manual Troubleshooting

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TROUBLESHOOTING 23

TROUBLESHOOTING

The software may be updated for improvement in performance. The customer is responsible to ensure the compatibility of their equipment with any LG Electronics software. If needed, please consult

with LG Electronics and update new software versions according to the guidance provided by LG Electronics.

Problem

Solution

 

••Check if anything such as tape has been placed over the receiver.

Cannot control the TV with

••Check if there is any obstacle between the product and the remote

the remote control.

control.

 

••Replace the batteries with new fresh ones.

 

••Check if the product is turned on.

No image display and no

••Check if the power cord is connected to a wall outlet.

sound is produced.

••Check if there is a problem in the wall outlet by connecting other

 

products.

 

 

The TV turns off suddenly.

••Check the power control settings. The power supply may be interrupted.

 

••Check if the auto off feature is activated in the Time settings.

When connecting to the

••Turn the TV off/on using the remote control.

PC (RGB/HDMI/DVI), No

••Reconnect the RGB/HDMI/DVI cable.

signal or Invalid Format is

••Restart the PC with the TV on.

displayed.

 

 

 

ENGLISH

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Contents LED TV English Important Safety InstructionsEnglish Ventilation GroundingOutdoor Antenna Grounding MovingGenerated Sound Preventing image burn or burn-in on your TV screenDot Defect LG Recycling Policy FCC NoticeOpen Source Software Notice LicensesTable of Contents Unpacking Assembling and PreparingParts and Buttons Basic functions Adjusting the menuLifting and Moving the TV Setting up the TVFor 42/47/55LY340H M4 x L14 M4 x L20 English 20˚20˚ Securing the TV to a wall optional Cm 10 cm Mounting on a WallMaking Connections Connecting to an Antenna or CableSpeaker 8 Ω Other ConnectionsBlu-Ray / HD Cable Box / HD STB / DVD / PC Remote Control Cleaning your TV MaintenanceTroubleshooting Models SpecificationsComponent supported mode Hdmi DTV supported modeCode Function Hexa IR CodesType of Connector D-Sub 9-Pin Male RS-232C SetupSet ID RS-232C ConfigurationsWire ConfigurationsNot standard Communication Parameters Command Reference ListOK Acknowledgement Error AcknowledgementTransmission / Receiving Protocol TransmissionVolume Control Command k f To adjust volume Power Command k aBalance Command k t To adjust balance OSD Select Command k lRemote Control Lock Mode Command k Channel Tuning Command m a Color Temperature Command x u To adjust color temperatureAuto Configuration Command j u Equalize Command j v To adjust equalize Key Command m cStep Table List Channel TuningChild Safety LG Customer Information Center