Troubleshooting

Some quick and easy tips to resolving problems

 

Symptoms

 

Possible Cause(s)

Possible Solution(s)

See Page(s)

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

57

 

No Power.

See troubleshooting flow chart.

 

 

 

 

 

 

 

 

 

 

 

 

 

Display Panel Picture

No Picture.

• Display panel is turned off.

-Turn TV on.

 

 

 

 

-Power failure?

 

 

 

• Antenna/Cable not connected.

-Connect Antenna/Cable signal source to L20V54S.

9~11

 

 

• Connections incorrect.

-Check connections on L20V54S.

7 / 9~14

 

 

• M.P.I. not connected.

-If applicable, connect M.P.I. cable to M.P.I. device.

 

 

 

• Encrypted program.

-Try another channel.

 

 

 

• Wrong tuning band.

-Adjust Installer menu settings.

45~50

 

 

 

 

 

 

 

 

 

 

 

Erratic Operation

 

Installer menu setup.

• Wrong Installer menu settings.

-Adjust Installer menu settings as required.

45~50

 

 

 

• Software problem.

-Remove TV power cord for 15 seconds.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remote Control

Remote doesn’t work.

• Remote not in TV mode.

 

• Not aimed at IR remote sensor.

 

• Remote too far from IR sensor.

 

 

• IR path to TV’s receiver obstructed.

 

• Weak batteries.

 

• Wrong battery polarity.

 

• Too much light in room.

 

• Wrong Installer remote control.

 

• Incorrect Bed 1-2 setting.

-Use Mode key to select TV; puts remote into L20V54S mode.

18~19

-Point remote at TV’s IR receiver on TV.

 

-Move remote closer to TV’s IR receiver or darken room.

 

-Remove obstructions.

 

-Replace batteries.

 

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

 

-Dim room light.

 

-Requires compatible Installer remote, contact your LG dealer.

40

-Set correct Bed 1-2 setting.

18

 

 

Picture Reception

Normal picture, poor

 

• Audio muted.

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

or no sound.

 

• Broadcast problem.

-Try a different channel.

 

 

 

 

Broadcast Tuning Mode Digital Channel OSD

 

 

 

 

- Set Item 103 to 0 for information to be added to virtual

No Information

• Item 103 set to 1

available display.

 

physical channels tuning.

 

channel tuning digital OSD.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18~19

18~19

45~50

*Note: For other problems not caused by the L20V54S, refer to other devices’ operating guide.

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Zenith L20V54S warranty Troubleshooting