C
2008
- 17 -
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Symptom
1)
No
O
S
D and
image
occu
r on
the
sc
reen
.
2)
It ma
in
ta
ins
the condition
w
ith
the front LED
is wh
ite
.
Check the foll
ow
ings
D
oes
Module
con
trol s
ignal O
K
?
No
Yes
Is t
he I
nv
ert
er
OK
?
Is
Low
/H
igh
vo
ltage
outputs
proper
ly
ex
cep
t s
tand-by
5V?
No
Re
pl
ace the
Power
board.
No
C
heck
the
LCD
Module
Yes
Is
the
LVDS
cabl
e OK
?
Re
connect
the LVDS cab
le
in
P501 or
P502.
No
Yes
Is
the IC100 (F
LI
106X0H
)
Ou
tput nor
mal?
Re
pl
ace the VSC
No
3. No Raster
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