LG 22LN4500 (CHASSIS:LD31A) Service Manual ▷ View online
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5. No Video - RGB
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7. No Audio
- 18 -
LGE2
121
121
-M
S1
0
(M
SD
80
4K
K
X)
M
st
ar
M
1(
L1
3)
C
OM
P
P
ON
EN
EN
T
C
OM
P
P
ON
EN
EN
T
R
S
R
S
-
-
23
2C
23
2C
[Op
tio
tio
n
:
On
ly
ly
h
o
te
l m
o
d
el]
[Op
tio
tio
n
:
On
ly
ly
h
o
te
l m
o
d
el]
R
G
B
R
G
B
M
A
X
32
32
C
D
R
M
A
X
32
32
C
D
R
D
SU
B
_R
/G
/B
/H
/V
A
u
d
io
IN
A
u
d
io
IN
H
P
L
&
R
o
u
t
C
OM
P
P
_Y
,
P
b
,P
r
C
OM
P
P
_L
&
R
_IN
U
SB
(
Jp
eg
,M
P
3,D
V
IX
)
U
SB
(
Jp
eg
,M
P
3,D
V
IX
)
A
P
21
91
D
SG
A
P
21
91
D
SG
LG
IT
H
A
LF
l
N
IM
(D
V
B
T
/C
)
LG
IT
H
A
LF
l
N
IM
(D
V
B
T
/C
)
SC
A
R
T
(F
u
ll)
SC
A
R
T
(F
u
ll)
P
C
M
C
IA
S
lo
t
P
C
M
C
IA
S
lo
t
FE
_T
u
n
er
_S
D
A
&
SC
L
SC
A
R
T_
O
U
T
74
LV
C
54
1A
Bu
ffe
r
IC
50
2
74
LV
C
54
1A
Bu
ffe
r
IC
50
2
FE
_T
S_
C
LK
FE
_T
S_
V
A
L
Er
ro
r
FE
_T
S_
SY
N
C
FE
_T
S_
D
A
TA
B
u
ffe
r_
FE
_T
S_
C
LK
B
u
ffe
r_
FE
_T
S_
V
A
L
Er
ro
r
B
u
ffe
r_
FE
_T
S_
SY
N
C
B
u
ffe
r_
FE
_T
S_
D
A
TA
[0
]
D
D
R
3
SD
R
A
M
(구주
/ 브라질
/ 아
시아
2G
B
)
그
외
: 1
외
: 1
G
B
D
D
R
3
SD
R
A
M
(구주
/ 브라질
/ 아
시아
2G
B
)
그
외
: 1
외
: 1
G
B
D
D
R
3
SD
R
A
M
(1
G
B
)
D
D
R
3
SD
R
A
M
(1
G
B
)
N
A
N
D
F
la
sh
(브라질
: 2
G
B
)
(그
외
: 1
외
: 1
G
B
)
N
A
N
D
F
la
sh
N
A
N
D
F
la
sh
(
(
브라질
브라질
: 2
G
B
)
: 2
G
B
)
(
(
그
그
외
외
: 1
G
B
)
: 1
G
B
)
74
LC
X
24
4
Bu
ffe
r
IC
50
1
74
LC
X
24
4
Bu
ffe
r
IC
50
1
C
I_
C
LK
C
I_
V
IA
L
Er
ro
r
C
I_
SY
N
C
C
I_
D
A
TA
[0
~
7]
C
I
A
D
D
R
[0
~
7]
P
C
M
_D
A
TA
[0
~
7]
P
C
M
_A
[0
~
7]
C
I_
A
D
D
R
[0
~
14
]
R
EG
C
I_
OE
C
I_
IOR
D
D
C
I_
IOW
R
C
I-W
E
P
C
M
_A
[0
~
14
]
FE
_D
E_
SD
A
&
SC
L
SE
R
IA
L
Fla
sh
SE
R
IA
L
SE
R
IA
L
Fla
sh
Fla
sh
C
V
B
S&
S
ca
rt
R
G
B
TV
L
&
R
S
o
u
n
d
F_
R
B
P
F-
OE
P
F_
C
EO
SP
I_
C
K
SP
I_
C
I
SP
I_
C
S
SP
I_
D
O
D
D
R
2
D
at
a[
0:1
5]
D
D
R
2
A
d
d
re
ss
[0
:1
2]
D
D
R
2
D
at
a[
0:1
5]
D
D
R
2
A
d
d
re
ss
[0
:1
2]
Sy
st
em
EE
P
R
OM
Sy
st
em
Sy
st
em
EE
P
R
OM
EE
P
R
OM
EE
P
R
OM
S
S
C
L
&
S
D
A
P
an
el
P
an
el
D
M
B
[L
ED
D
riv
er
IC
]
D
M
B
[L
ED
D
riv
er
IC
]
D
M
B
[L
ED
D
riv
er
IC
]
D
ig
ita
l a
m
p
(N
TP
75
13
)
D
ig
ita
l a
m
p
(N
TP
75
13
)
SP
(L
)
SP
(L
)
SP
(R
)
SP
(R
)
W
LE
D
-S
ta
tu
s
W
LE
D
_E
N
A
B
LE
OV
P
P
_S
EL
C
H
_S
EL
W
LE
D
_D
IM
_A
_A
D
J
A
u
d
io
_ M
as
te
r_
C
LK
/D
A
TA
[3
]
LV
D
S
1
C
h
SIF
지역별
지역별
Op
tio
tio
n
Op
tio
tio
n
처리
처리
(D
V
B
(D
V
B
향만
향만
적
용
적
용
)
)
-
-
DV
B
B
DV
B
B
-
-
T/
C
:
TDS
S
S
T/
C
:
TDS
S
S
-
-
G
50
1D(
H
alf
N
IM
)
G
50
1D(
H
alf
N
IM
)
-
-
A
TS
C
: T
D
SS
A
TS
C
: T
D
SS
-
-
H
50
1F
(H
alf
N
IM
)
H
50
1F
(H
alf
N
IM
)
-
-
IS
DB
IS
DB
–
–
T
: T
DS
N
N
T
: T
DS
N
N
-
-
B
60
1F
(F
u
ll
N
IM
)
B
60
1F
(F
u
ll
N
IM
)
지역별
지역별
Op
tio
tio
n
Op
tio
tio
n
처리
처리
지역별
지역별
Op
tio
tio
n
Op
tio
tio
n
처리
처리
(D
V
B
/
(D
V
B
/
중국
향
중국
향
)
)
A
M
P
S
C
L&
SD
A
C
V
B
S
H
D
M
I_
TM
D
S
&
H
D
M
I
I2
C
D
D
R
3:
80
0M
H
z
모델별
모델별
Op
tio
tio
n
Op
tio
tio
n
처리
처리
(2
6/
29
in
ch
3
3D
(2
6/
29
in
ch
3
3D
모델은
모델은
모
듈에
내
내
장
장
)
)
H
D
M
I(
M
H
L)
H
D
M
I(
M
H
L)
H
ea
d
p
H
ea
d
p
h
h
o
n
e
o
n
e
BLOCK DIAGRAM
- 19 -
A2
A31
900
200
400
401
540
521
800
910
120
300
501
531
510
301
122
LV
1
801
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
Click on the first or last page to see other 22LN4500 (CHASSIS:LD31A) service manuals if exist.