JVC LT-39HW45U Manual De Usuario página 20

Troubleshooting and Help Line
A check through the guide below could save you the trouble of returning your purchase or waiting for a service
engineer. If you still require assistance with operating this product you can phone the help line on the safety
leaflet accompanying these instructions.
Symptoms
Crackling noises or distorted
sound.
Stereo switching to mono.
Symptoms
Grainy (snowy) picture.
Extra outlines on objects in
the picture (ghosts).
Picture interference like
spots or streaks..
Picture interference like
wavy lines or patterns.
Sound interference may
also be present.
Jumbled teletext characters
When RGB input is used
there is a distorted picture
or no picture.
Analogue TV Sound
Possible causes
Interference from cars, fluorescent
lights, video recorder, a radio broadcast,
personal computer or other equipment.
A weak signal or a mono broadcast.
Analogue TV Picture
Possible causes
Your video recorder could be faulty.
Transmitter trouble.
Aerial has moved, is damaged or has
been disconnected.
The aerial is receiving reflected signals
from hills or buildings.
Faulty aerial system
Weak aerial signal.
Interference from electrical equipment
such as power tools and motors.
Settings for the digital video equipment
output do not match the monitor's VGA
or HDMI input specifications.
Some other equipment is using the same
frequency.
Poor quality cable in the path between
the TV and the TV aerial.
Your aerial system is receiving an
unwanted signal on the same frequency
Poor quality signal
Synchronisation signal is missing.
EN 16
Troubleshooting and Help
What to do
Turn off one piece of equipment at a time to
see if the interference clears. See also what
to do for picture interference.
Check the signal and your aerial system.
What to do
If you have a video recorder try plugging the
aerial directly into the television. If the fault
clears, the video recorder is probably faulty.
Have your aerial system checked.
Try to tune in a better signal from the same
television station.
Get your aerial system checked.
Try to tune in a better signal from the same
television station. Get your aerial system
checked.
Move the interfering equipment further away
or if possible, turn it off.
Change the refresh rate or resolution settings
on the digital equipment, if possible.
Put other equipment on stand-by to see if
the interference stops: change the output
frequency of the equipment that is causing
interference (see its instructions).
Get higher quality cable.
Get your aerial system checked.
As for 'Snowy picture' and 'Ghosts'
Press the AV button to select the AV input
which receives the synchronisation signal.
Line