JVC LT-32EX177 - Manual (Page 19)

19
REFERENCE
Troubleshooting
If a problem occurs when you are using the TV, check the below troubleshooting guide before calling for repair.
Problem Actions Page
Severe noise or snow • Check the aerial cable and TV connections.
• Check the direction of the aerial.
• Check the aerial or its cable damaged or
not.
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Patterns, stripes or noise • Interference caused by devices such as an
amplifier, personal computer, or a hair drier.
Move it away from the TV.
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Ghosting (Doubling of
images)
• Interference occurs caused by signal
reflecting from mountains or building. Try to
adjust the aerial’s direction or use another
antenna.
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Cannot turn it on • Ensure the power cord is connected to the
AC outlet correctly.
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Cannot operate the
remote control
• The batteries may be exhausted. Replace
with new batteries.
• Ensure that you are operating the remote
control at less than 7 meters from the front
of your TV.
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Remote control stops
working.
• Unplug TV, several minutes later plug it in
again.
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Front control buttons do
not work.
• Switch “CHILD LOCK” to “OFF”. 8
Aspect ratio changes
unintentionally.
• Press to return to your settings.
11
Blue screen appears on
the screen.
• Switch “BLUE BACK” to “OFF”. 11
Problem Actions Page
Poor picture quality • Unnatural colour >>
Adjust “COLOUR” and “BACK LIGHT”.
Check your “COLOUR SYSTEM”.
If “AUTO” is selected, select the specific
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
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Strange picture when
using an external device.
• 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).
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Poor sound • Adjust the “BASS” and “TREBLE”.
• If receiving a poor signal in “STEREO/I
■
II”
switch to “MONO”.
• Adjust the channel reception using
“MANUAL”.
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18
For HDMI signal, wrong
screen size
• Switch “SIZE” in “HDMI SETTING” to “1” or
“2”.
15
Green and distorted
screen for HDMI signal
• Wait a little for the signal to stabilize when
switching the signal format for an “HDMI”
device.
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