When You Have Trouble; Troubleshooting - JVC LT-42DA8BJ Instructions Manual

When you
have trouble

Troubleshooting

 Analogue channels
Severe noise or
snow
 Is the TV connected correctly to
the aerial?
 Change the direction of the aerial.
 Is the aerial or its cable
damaged?
 Consult your retailer
Patterns, stripes
or noise
 Is the aerial receiving interference
from high-voltage power lines or
wireless transmitters?
Consult your retailer

 Are connected devices too close
to the TV?
Insert the minimum distance

between the aerial and the
cause of interference until no
interference
Ghosting
(Doubling of images)
 Are you receiving interference
from signals reflected off
mountains or buildings?
 Adjust the direction of your
aerial, or change to a
good-quality directional aerial
 Digital channels (P. 14)

49
I can't turn it on!
 Is the power cord connected to the AC outlet
correctly?
The remote
control doesn't
work!
 Are the batteries flat?
 Are you more than 7 meters away
from the TV?
 Is the "VCR/TV/DVD SWITCH" set to "TV"?
 When viewing teletext, the TV menu does not appear.
 Depending on the stability of the signal, there may be a time
lag when changing channels.
Problem
 Is the analogue channel reception poor, too?
 Following the instructions in "Severe noise or snow"
can solve this problem.
Not displayed
Digital channels are not displayed

(black screen)
 When the TV cannot find the digital channels
There may be problems at the aerial, radio waves,

or the area you live in, where reception is bad.
Consult your retailer.
Remote control
Unplug TV, several minutes later plug it in again.

stops working
Digital channel screen
Hold down "

is frozen
three or more seconds to restart.
Some functions do not
It is not a malfunction. Some functions in the menu will not be

display on menu
displayed depending on the situation.
Aspect ratio changes
 Press " " to return to your settings.
unintentionally
Unnatural colour >>> Adjust "COLOUR" and "BRIGHT".

 Noise >>> Set to the following functions.
PICTURE MODE :
DIGITAL VNR :
Poor picture quality
DigiPure :
Dull picture >>> Set to the following functions.

PICTURE MODE :
DIGITAL VNR :
DigiPure :
If you connected S-Video output device, check the "S-IN"

setting.
If the top of the image is distorted, check the video signal

Strange picture
quality itself.
when using an external
If movement appears unnatural when receiving a signal

device
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".

Poor sound
If receiving a poor signal in "STEREO / t·u", switch to "MONO".

Actions page
49
14
–
–
" and " " on the TV simultaneously for
–
–
30
34
Check your "COLOUR SYSTEM" 38
34
STANDARD
38
ON
38
OFF
34
BRIGHT
38
OFF
38
ON
26
–
34
34
50