10
Troubleshooting
S
YM
PTO
M
POSS
IB
LE
CAUSES
Before contacting with the
service personnel, consult the following troubleshooting list.
N
o
p
i
cture,
no
co
l
or
N
o
i
sy
p
i
cture
The
remote
contro
l
doesn
’
t
wor
k.
Blank screen in VGA mode
(When used as the PC monitor)
The
co
l
or
system
i
s
not
appropr
i
ate
.
Poss
i
b
l
e
i
nterference
from
the
surround
i
ngs
.
Rep
l
ace
the
power
out
l
et
The
batter
i
es
need
to
be
rep
l
aced
.
C
l
ean
the
front
of
the
remote
contro
l
(the
t
ransm
i
tter)
.
Chec
k
the
battery
connect
i
on
.
The
reso
l
ut
i
on
set
i
n
the
PC
i
s
not
i
dent
i
f
i
ed
. S
uggest
chang
i
ng
the
reso
l
ut
i
on
i
nto
the
opt
i
mum
reso
l
ut
i
on
or
other
standard
WIND
O
WS
reso
l
ut
i
on
.
If you still cannot solve the problems, please call the local service center.
Maintenance
The
power
i
nd
i
cator
doesn
’
t
li
ght
up
and
the
un
i
t
won
’
t
turn
on
B
r
i
ghtness
&
contrast
may
be
set
to
m
i
n
.
(Refer
to
the
P
I
CT
U
R
E
sett
i
ngs
sect
i
on
.
)
The
power
cord
i
s
not
connected
.
The
PO
WE
R
button
on
the
ma
i
n
un
i
t
i
s
off
.
The
L
C
D
screen
i
s
the
core
part
of
L
C
D
mon
i
tor
. I
f
the
ma
i
ntenance
and
use
are
i
ncorrect,
the
usefu
l li
fe
w
ill
be
shortened
i
n
a
l
arge
extent,
so
i
t
i
s
very
i
mportant
to
use
and
ma
i
nta
i
n
L
C
D
mon
i
tor
appropr
i
ate
l
y
.
1. Do not overwork the screen
Fi
rst,
do
not
h
i
gh
li
ght
the
screen
too
l
ong
per
i
od
of
t
i
me
.
The
d
i
sp
l
ay
manner
of
L
C
D i
s
d
i
fferent
from
that
of
CRT
screen
. K
eep
i
ng
the
p
i
cture
h
i
gh
li
ghted
too
l
ong
per
i
od
of
t
i
me
can
short
down
the
li
fe
of
bac
kli
ght
tube
.
Therefore,
turn
off
the
screen
or
decrease
the
d
i
sp
l
ay
br
i
ghtness
i
f
the
un
i
t
w
ill
not
be
used
for
a
l
ong
per
i
od
of
t
i
me
i
n
order
to
prevent
parts
i
ns
i
de
from
be
i
ng
aged
or
burned
out
.
P
l
ease
attach
great
i
mportance
to
th
i
s
ki
nd
of
damage
because
i
t
i
s
permanent
and
beyond
retr
i
eva
l.
To
avo
i
d
th
i
s
c
i
rcumstance,
suggest
to
fo
ll
ow
the
precaut
i
ons
be
l
ow
.
1)
Turn
off
the
screen
i
f
no
used
;
2)
Change
the
d
i
sp
l
ay
contents
i
n
d
i
fferent
i
nterva
l
s
frequent
l
y
;
3
)
A
djust
the
bac
kli
ght
to
a
l
ower
l
eve
l;
4
)
Di
sp
l
ay
a
b
l
an
k
screen
;
2. Keep the dry working environment
A
ccord
i
ng
to
i
ts
wor
ki
ng
pr
i
nc
i
p
l
e,
L
C
D
screen
i
s
very
r
i
gorous
about
the
a
i
r
temperature,
so
p
l
ease
k
eep
the
un
i
t
wor
ki
ng
i
n
a
re
l
at
i
ve
l
y
dry
env
i
ronment,
espec
i
a
ll
y
prevent
the
mo
i
sture
from
enter
i
ng
the
parts
i
ns
i
de
. U
sers
who
are
wor
ki
ng
i
n
the
mo
i
st
env
i
ronment
(for
examp
l
e:
i
n
some
southern
area
where
the
a
i
r
i
s
re
l
at
i
ve
l
y
mo
i
st)
shou
l
d
pay
more
attent
i
on
to
th
i
s
. S
uggest
to
use
some
dry
i
ng
agents
to
k
eep
the
surround
i
ngs
of
the
screen
dry,
or
use
a
c
l
ean
soft
c
l
oth
to
k
eep
the
screen
dry
any
t
i
me
. I
f
the
mo
i
sture
has
entered
the
screen,
p
l
ace
the
un
i
t
i
n
a
dry
pos
i
t
i
on
to
vapor
iz
e
the
mo
i
sture
. A
nd
i
n
the
meant
i
me,
do
not
turn
on
the
power,
otherw
i
se
the
L
C
D
po
l
e
may
be
eroded
and
destroyed
permanent
l
y
..
3. Avoid unnecessary touch or vibration
The
L
C
D
screen
i
s
very
frag
il
e,
do
not
po
i
nt
to
the
screen
random
l
y
by
hand,
because
any
s
li
ght
touch
may
cause
part
i
a
l
bad
spots,
even
form
a
patch
of
bad
spots
i
f
ser
i
ous
l
y
.
Th
i
s
i
s
why
some
users
f
i
nd
more
and
more
bad
spots
after
us
i
ng
the
L
C
D
screen
a
per
i
od
of
t
i
me
. M
oreover,
the
i
mpact
res
i
stance
i
s
a
l
so
i
nfer
i
or
to
the
CRT
screen,
even
of
the
l
atest
mode
l
,
because
the
L
C
D
screen
i
s
made
from
the
prec
i
se
g
l
ass
parts
and
the
a
l
armed
and
sens
i
t
i
ve
e
l
ectr
i
c
parts
and
the
ser
i
ous
i
mpact
w
ill
damage,
the
screen,
the
re
l
ated
parts
and
the
c
i
rcu
i
t
. W
hen
mov
i
ng
the
L
C
D
screen,
peop
l
e
often
ho
l
d
one
part
of
the
screen
care
l
ess
l
y,
wh
i
ch
may
damage
the
L
C
D
screen
.
Therefore,
strong
l
y
suggest
to
avo
i
d
the
b
i
g
v
i
brat
i
on
and
heavy
i
mpact
to
the
screen
.
On
l
y
ho
l
d
the
frame
and
stand
W
hen
mov
i
ng
the
un
i
t
.