LG ZENITH 27FB32COM Installation And Operating Manual, Warranty page 55

Troubleshooting
Some Quick and Easy Tips for Resolving Problems
Symptoms Possible Cause(s)
Picture Reception
Poor or no picture. * TV station problems.
* Video menu not adjusted properly. Check Video menu option settings.
Local interference. * Check for disturbing source.
* Appliance too close to TV.
Poor or no color. * Sub-standard broadcast.
* Sub-standard cable signal.
Picture wobbles * RF not connected, loose.
or drifts. * Local interference.
* Scrambled CATV channel.
No CATV reception. * Cable not connected.
* Cable service interrupted.
* Antenna set, not CATV.
Normal picture, poor * Audio muted.
or no sound.
* Broadcast problem.
* A/V cables incorrectly connected.
* Audio Out cable wrong.
* Front Surround turned off.
* No 2nd Audio/ SAP on program.
Snowy or * Wrong Ant. connection/location.
Poor Picture. * TV/VCR button set wrong.
* Wrong output channel selected.
* Loose connection.
* Broadcast problem.
* Video menu options set wrong.
TV turns Off. * Sleep Timer turned TV Off.
* Off Timer turned TV Off.
* Power failure.
* Power outlet controlled by switch. Connect TV power cord to outlet that is
(Switch turned off.)
TV turns On. * On Timer turned TV On.
TV does not turn * On/Off Timer option disabled.
On/Off per On/Off Timer
settings.
Possible Solution(s)
Try a different channel.
The following may cause image problems or distortion:
Electrical appliances, powerful lights, cars, trucks;
computers or portable phones; medical equipment.
If possible increase the distance between the TV
and the offending appliance. Or shut one of them off.
Try a different channel.
Notify cable company of reception problem.
If a VCR is connected, play a tape.
Make or tighten connection.
Try different channel.
Turn off interfering appliance.
Tune to unscrambled channel.
Connect cable to Antenna/Cable (RF) jack.
Contact cable service.
Select 'Cable TV' in Setup menu, run Auto Program.
Press MUTE or volume right key to increase
sound level.
Try a different channel.
Install A/V cables correctly.
Install Matrix Out external amplifier/speaker
cable correctly.
Turn Front Surround On in the Audio menu.
Choose another audio mode option or a
different program.
Move antenna, check connection/location.
Set TV/VCR button on VCR correctly.
Set output channels on all A/V equipment to
same channel (3 or 4).
Check that all connections are correct.
Try another channel.
Check Video menu brightness controls.
Turn TV back on.
Turn TV back on.
Check other power outlets.
not controlled by a switch.
Disable On/Off Timer.
Go to Timer option in Setup menu and
enable On/Off Timer.
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