Zenith L20V54S - Manual (Page 55)

Troubleshooting
P A G E 5 5
Some quick and easy tips to resolving problems
Display Panel Picture
Symptoms Possible Cause(s) Possible Solution(s) See Page(s)
No Power. See troubleshooting flow chart. 57
Power
No Picture. • Display panel is turned off. -Turn TV on.
-Power failure?
• Antenna/Cable not connected. -Connect Antenna/Cable signal source to L20V54S.
• Connections incorrect. -Check connections on L20V54S.
• 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.
9~11
7 / 9~14
45~50
Erratic Operation
Installer menu setup. • Wrong Installer menu settings. -Adjust Installer menu settings as required.
• Software problem. -Remove TV power cord for 15 seconds.
45~50
Remote Control
Remote doesn’t work. • Remote not in TV mode. -Use Mode key to select TV; puts remote into L20V54S mode.
• Not aimed at IR remote sensor. -Point remote at TV’s IR receiver on TV.
• Remote too far from IR sensor. -Move remote closer to TV’s IR receiver or darken room.
• 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 control. -Requires compatible Installer remote, contact your LG dealer.
• Incorrect Bed 1-2 setting. -Set correct Bed 1-2 setting.
18~19
40
18
Picture Reception
Normal picture, poor
or no sound. • Audio muted. -Press MUTE or use Volume Up key to increase sound level.
• Broadcast problem. -Try a different channel.
18~19
18~19
Broadcast Tuning Mode Digital Channel OSD
No Information
available display.
*Note: For other problems not caused by the L20V54S, refer to other devices’ operating guide.
• Item 103 set to 1
physical channels tuning.
- Set Item 103 to 0 for information to be added to virtual
channel tuning digital OSD.
45~50