JVC LT-19DA1BU, Instructions Manual

Page: 21 / 24

21
EN
English
MAINTENANCE
Panel Cleaning
• If the LCD panel should require cleaning, wipe it with a cotton
or soft cloth. Before cleaning the panel, disconnect the power
cord.
Servicing
• Should your unit become inoperative, do not try to correct the
problem by yourself. There are no user-serviceable parts inside.
Turn the unit off, unplug the power cord, and take the unit to a
Service Centre for servicing.
Cabinet Cleaning
• Wipe the front panel and other exterior surfaces of the unit with
a soft cloth immersed in lukewarm water and wrung dry.
• Never use a solvent or alcohol. Do not spray insecticide liquid
near the unit. Such chemicals may cause damage and
discoloration to the exposed surfaces.
TROUBLESHOOTING GUIDE
Sometimes a performance problem can be easily solved by checking seemingly apparent but often overlooked possibilities.
Before arranging for service, check these items. It could save you time and money.
QUICK SERVICE CHECK LIST
PR
OBLEM
Rem
ote Control Doesn’
t Work
Bar
s On
TV
s
creen
Pic
tur
e D
isto
rted
Pic
tur
e Ro
lls
V
ertic
ally
No Colour Poo
r Rec
epti
on o
n
So
me
Channels
Weak Pict
ure
L
ines or
St
reaks in Pict
ure
Gho
sts
i
n
pic
tur
e
P
ict
u
re Bl
ur
re
d
So
und
O
K
, Pict
ure Po
or
P
ict
u
re
OK
, S
ound
P
oo
r
No Pic
tur
e
or
So
und
Dif
ferent colour m
arks on TV screen
Black or
L
u
minous point on
TV
scr
ee
n
Fo
rg
et
th
e p
ass
w
ord
POSSIBLE REMEDY
Try a new channel, if OK, then possibly due to poor channel reception. × × × × × × × × × × × ×
Is unit plugged in?
Power at outlet?
× ×
Is unit’s
[ (standby-on)]
on? ×
Is antenna connected to terminal on the back of the set? × × × × × ×
If outside antenna is being used, check for broken wire. × × × × × × × × × × ×
Check for local interference. × × × × × × ×
Turn off with
[ (standby-on)]
and then turn it on after about a minute. ×
Adjust COLOUR control. ×
Adjust Contrast & Brightness control. × ×
Check batteries in Remote Control. ×
Move the unit away from the nearby appliances that generate strong magnetic field.
Turn off using
[ (standby-on)]
, then turn it on again 30 minutes or so later.
×
Surrounding temperature is too low. × × ×
Life of the Back Light is approximately 50,000 hours. Ask the Service Centre to replace. × ×
It is quality of the LCD Panel. ×
Reset to the factory default, and the password will restore to "0000". Refer to "Factory
Preset" on page 20.
×