JVC LT-32EX17, LT-37EX17, LT-42EX17 CRT Television User Manual


 
17
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.
Patterns, stripes or noise Interference caused by devices such as an
ampli er, personal computer, or a hair drier.
Move it away from the TV.
Ghosting (Doubling of
images)
Interference occurs caused by signal
re ecting from mountains or building. Try to
adjust the aerial’s direction or use another
antenna.
Cannot turn it on Ensure the power cord is connected to the
AC outlet correctly.
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.
Remote control stops
working.
Unplug TV, several minutes later plug it in
again.
Front control buttons do
not work.
Switch “CHILD LOCK” to “OFF”. 8
Aspect ratio changes
unintentionally.
Press
ZOOM
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 speci 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
9
10
10
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).
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”.
13
13
16
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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