JVC LT-32HG25J Instructions Manual page 37

Troubleshooting and Help Line
Symptoms
No sound
Crackling noises or distorted
sound.
Stereo switching to mono.
No stereo sound from equipment
connected to the scart (AV)
socket.
Symptoms
Grainy (snowy) picture
Extra outlines on objects in the
picture (ghosts).
Picture interference like spots or
streaks.
Picture is the wrong size or the
source device (computer, DVD
player, set top box and so on)
will not let you set up the pixel
resolution the display can
reproduce.
Picture looks squashed or
stretched even though the aspect
ratio controls are set correctly
(for example 4:3 or 16:9).
Sound
Possible causes
The volume is set to min.
The mute is switched on.
Interference from cars, fluorescent lights,
video recorder, a radio broadcast,
personal computer or other equipment.
A weak signal or a mono broadcast.
A mono scart lead is being used to
connect the television.
The signal being viewed is connected
through the aerial socket.
Picture
Possible causes
Your video recorder could be faulty.
Transmitter trouble.
The outside aerial has moved, or 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 DVI input specifications.
Source device has not read the set-up data
from the display.
Connecting cable does not have all the
necessary connections.
Equipment feeding the display is set to
the wrong aspect ratio.
What to do
Turn the volume up.
Press the mute button to release 'mute'.
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.
Check that the scart lead is stereo.
Check the video recorder is connected to the
television through an AV (scart) lead, then switch
the television to AV mode.
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.
Avoid old cables and adapter devices. Use only
modern cables.
Re-start the source device after connecting and
powering up the display.
Change the graphics adapter in your computer.
Check compatible video resolutions given in these
instructions.
On the equipment feeding the TV choose the
correct output aspect ratio such as 4:3 or 16:9 to
match the TV. On digital equipment you might
choose 1280 x 960 pixels to match 4:3 screens or
1280 x 768 pixels to match 15:9 screens.