Troubleshooting - JVC LT-32EX17, LT-37EX17, LT-42EX17 Instructions Manual

Troubleshooting

If a problem occurs when you are using the TV, check the below troubleshooting guide before calling for repair.
Problem
• Check the aerial cable and TV connections.
Severe noise or snow
• Check the direction of the aerial.
• Check the aerial or its cable damaged or
not.
• Interference caused by devices such as an
Patterns, stripes or noise
amplifi er, personal computer, or a hair drier.
Move it away from the TV.
• Interference occurs caused by signal
Ghosting (Doubling of
images) refl ecting from mountains or building. Try to
adjust the aerial's direction or use another
antenna.
• Ensure the power cord is connected to the
Cannot turn it on
AC outlet correctly.
• The batteries may be exhausted. Replace
Cannot operate the
remote control with new batteries.
• Ensure that you are operating the remote
control at less than 7 meters from the front
of your TV.
• Unplug TV, several minutes later plug it in
Remote control stops
working. again.
• Switch "CHILD LOCK" to "OFF".
Front control buttons do
not work.
Aspect ratio changes
• Press
unintentionally.
• Switch "BLUE BACK" to "OFF".
Blue screen appears on
the screen.
Actions
ZOOM
to return to your settings.
Page Problem
— Poor picture quality
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Strange picture when
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using an external device.
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Poor sound
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8
For HDMI signal, wrong
screen size
11
Green and distorted
screen for HDMI signal
11
Actions
• Unnatural colour >>
Adjust "COLOUR" and "BACK LIGHT".
Check your "COLOUR SYSTEM".
If "AUTO" is selected, select the specifi c
colour system manually.
• Noise >>
Set to the following functions.
PICTURE MODE : STANDARD
DigiPure : ON
• Dull picture >>
Set to the following functions.
PICTURE MODE : BRIGHT
DigiPure : ON
• If the top of the image is distorted, check
the video signal quality itself.
• If movement appears unnatural when
receiving a signal from a DVD player, etc.
with 625p (progressive-scanning), change
the output setting of the external device to
625i (interlace-scanning).
• Adjust the "BASS" and "TREBLE".
• If receiving a poor signal in "STEREO/I
switch to "MONO".
• Adjust the channel reception using
"MANUAL".
• Switch "SIZE" in "HDMI SETTING" to "1" or
"2".
• Wait a little for the signal to stabilize when
switching the signal format for an "HDMI"
device.
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