When You Have Trouble; Troubleshooting - JVC LT-Z37EX6 Service Manual

When you have trouble

Troubleshooting

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
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31-32
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 "MODE (VCR / TV / DVD)" set to "TV"?
When viewing teletext, the TV menu bar does not appear.

Depending on the stability of the signal, there may be a time

lag when changing channels.
Problem
Remote control
Unplug TV, several minutes later plug it in again.

stops working
Front control buttons
Switch "Child Lock" to "Off".

does not work
Aspect ratio changes
Press " " to return to your settings.

unintentionally
PC screen alignment
Adjust the "PC position".

is off
 Unnatural colour >>> Adjust "Colour" and "Back Light".
Noise >>> Set to the following functions.
Poor picture quality
Picture Mode :
Super DigiPure : Max
Dull picture >>> Set to the following functions.
Picture Mode :
Super DigiPure : Min
If the top of the image is distorted, check the video signal

quality itself.
Strange picture
If movement appears unnatural when receiving a signal from

when using an external
a DVD player, etc. with 625p (progressive-scanning), change
device
the output setting of the external device to 625i (interlace-
scanning).
Blue screen appears
Switch "Blue Back" to "Off".

on the screen
Actions page
–
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17
21
28
30
Check your "Colour System". If "Auto"
is selected, select the specific colour
system manually.
28
Standard
30
Bright 28
30
–
–
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7/18/2006 3:01:14 PM