Troubleshooting Table - JVC LT-24HD7WU Operating Instructions Manual

Troubleshooting table

TV Troubleshooter
A check through the guide below could save you the trouble of returning your purchase or waiting for a
service engineer. If you require assistance with operating this product you can phone our help line.
Analogue TV & general
Symptoms
No sound
Crackling noises or distorted sound.
Stereo switching to mono.
No stereo sound from equipment
connected to the scart (AV) socket.
Analogue TV & general
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.
EN
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Sound
Possible causes
The volume is set to minimum. The mute is
switched on.
Interference from cars, fluorescent lights,
video recorder, a radio broadcast, personal
computer or other equipment.
Aweak 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
Cl disconnected.
Your video recorder could be faulty.
Transmitter trouble.
The outside aerial has moved, or is
damaged.
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 monitors 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.
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.