- 20 -
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
C
2008
In the case of abnormal display on
the screen when
side AV1,2 / AV3 mode.
Sa
me
as
Block
A
In the case of abnormal display
on the screen when Component, RGB mode.
In the case of abnormal displa
y on the screen when
HDMI1,2,3 mode.
Is t
he HDMI
switch
(I
C
200)
O
K
?
Is
the TM
D
S
w
avefo
rm
be
tw
een
the
IC
and HD
MI
jacks
O
K
?
Re
place IC20
0
No
No
Yes
Is
video input o
f the AV
(J
K100,J
K10
1,JK103
) OK?
Yes
No
C
heck
the input source.
Is
R
,G,B inpu
t and
H
/V
sy
nc
of the JK102,P101 OK?
Yes
No
C
heck
the input source.
Sa
me
as
Block
A
Sa
me
as
Block
A
In the case of abnormal disp
lay on the screen when
HDMI4 mode.
Is
the HDMI Jack
(J
K204)
O
K
?
Is
the TM
D
S
w
avefo
rm
be
tw
een
the
IC
and HD
MI
jacks
O
K
?
Re
pl
ace JK204
No
No
Yes
Sa
me
as
Block
A
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