Read LG 42LB2R (CHASSIS:LP62E) Service Manual online
- 27 -
W
ir
e
d IR
RG
B
_
P
C
R
G
B_
DT
V
PC
_
A
u
d
io
TV
(R
F
)
CO
M
P
AV
3
(R
ear A
V
)
Va
ri
a
b
le
A
u
d
io_
out
AV
1
(S
cart
1
)
(T
V_
o
u
t)
AV
2
(S
cart
2
)
(M
NT
_
O
UT
)
H
D
M
I1
/2
(PC
/D
T
V)
R
S
232
HDM
I_
II
S
V
a
ri
a
b
le
_
a
udio_
out
L
/R
:
500mV
rm
s
TX
232C
D
ri
ver
S
T
3232C
T
x
/R
x :
+
15V
p
p
7
4
HC1
4
D
S
UB
_S
CL
/
D
S
BU
_S
DA
DS
_
V
S
/
DS
_
H
S
P
C
_A
u
d
io
_L
/R
:
700mV
rms
P
C
_A
u
d
io
_L
/R
S I
F
AM
_
A
u
d
io
A
M
_
A
u
d
io
/ S
I
F
MN
T
_
O
U
T
:
1
V
pp
C
O
M
P
1
,2
_
R
IN
/L
IN
TV
_
L
/R
O
U
T
VI
N
4
:
1/
0.
285V
p
p
LIN
4
/R
IN
4
:
500mV
rms
D
DRR
A
M
(128M
B
X
2
)
K
4
D
261638F
-L
C
50X
2
Fla
s
h
-R
OM
(2
M
B
)
A
T
49B
V
160C
L_SPK_OUT
R_SPK_OUT
EE
P
R
O
M
24C
02
V
a
ri
a
b
le
_
a
udio_
out
L
/R
S
C
AR
T
2_I
D
C
o
m
p
_
L
/R
:
500mV
rm
s
T
UNE
R
VI
N
3
:
1/
0.
285V
p
p
S
C
AR
T
1_I
D
A
V
1_V
IN
:
1V
p
p
S
C
A
R
T
1
_
L
IN
/R
IN
:
500mV
rm
s
S
C
AR
T
2_I
D
S
C
A
R
T
2
_
L
IN
/R
IN
:
500mV
rm
s
A
udi
o
S
/W
& CO
NT
RO
L
M
S
P
4
4
50K
SC
A
R
T
1
_
F
B
S
C
AR
T
1_I
D
LIN
3
/R
IN
3
:
500mV
rms
A
V
4_S
W
PW
M
N
T
P
3000H
AM
P
T
A
S
5122
MN
T_
O
U
T
M
N
T
_
LO
U
T
/RO
UT
S
C
A
R
T
2
_
V
IN
/Y
IN
/C
IN
:
1/
0.
285V
p
p
M
N
T_
LO
U
T
/R
OU
T
:
500mV
rms
AV
4
(Si
d
e
A
V
)
MA
IN
S
C
A
L
E
R
F
L
I8662
T
X
D /RX
D :
5V D
ig
ital
VG
A
_
R
G
B
:
0.
7Vp
p
CO
M
P
_
Y
/P
b/P
r
:
1/
0.
7Vp
p
A
IP
_
R
A
W
_
VS /
A
IP_R
A
W
_
H
S
_C
S :
5
V
High/L
ow
SC
A
R
T
1_R
GB
:
0.
7Vp
p
IR
CN_IIS
MC_IIS
HDM
I_
DA
TA
:
3.
3V
HDM
I_
CLK/
DE
:
3.
3V
HDM
I_
IIS
:
3.
3V
HDM
I_
V
S
/HS
:
3.
3V
S
C
L/S
D
A
EE
P
R
O
M
24C
02
HD
M
I Rx
SC
L
/S
D
A
_
Pa
rt
SC
L
/S
D
A
_
Pa
rt
FR
C
E
V
E
N
_R
/G
/B
_D
at
a
-24
D
C
L
K
/D
E/
D
H
S/
D
V
S
F
R
C_
S
D
A/
S
C
L
F
R
C
_
R
eset
_N
E
G
F
R
C_
RX
/T
X
RAM
_
CAS
/R
AS
RAM
_
C
S
/W
E
R
A
M
_
C
K
E
/C
LK
RAM
_
L
DQ
S
/U
D
Q
S
RAM
_
BA0
/1
R
A
M
A
_0~
11
RAM
DQ
S
_
0
~
1
5
FRC_R/G/B_Out_
0
~
9
FRC_DEN/CLK_Out
FRC_HS/VS_Out
Memory
RAM
_
CAS
/R
AS
RAM
_
C
S
/W
E
R
A
M
_
C
K
E
/C
LK
RAM
_
L
DQ
S
/U
D
Q
S
RAM
_
BA0
/1
R
A
M
A
_0~
11
RAM
DQ
S
_
0
~
1
5
LV
D
S
T
x
LV
D
S
_
R
F
_
E
V
E
N
LV
D
S
_
S
W
IN
G
L
V
D
S
_P
W
R
_D
O
W
N
OUT_TX_ CLK
OUT_TX_ E
FRC_R/G/B_Out_
0
~
9
FRC_DEN/CLK_Out
FRC_HS/VS_Out
OUT_TX_ D
OUT_TX_ C
OUT_TX_ B
OUT_TX_ A
EVEN
_R
/G
/B
_D
ata
-24
DCLK
/DE
/DHS
/DV
S
FRC_
S
D
A
/S
C
L
FRC_
R
eset_N
EG
FRC_
R
X
/T
X
S
C
A
R
T
2
_
V
IN/Y
IN/CIN
HDM
I_
DA
TA
HDM
I_
CLK/
DE
HDM
I_
IIS
HDM
I_
V
S
/HS
TU
_
M
AI
N
AV
4
_SW
VIN
4
LIN
4
/RIN
4
S I
F
A
M
_
A
udio
S
C
A
R
T
1
,2
_
LIN/RIN
CO
M
P
_
Y
/P
b
/P
r
:
1/
0.
7V
p
p
S
C
AR
T
1_RG
B
:
0.
7V
p
p
V
IN3
LIN3
/RIN3
A
V
1_VI
N
S
C
A
R
T
2
_
ID
S
C
A
R
T
1
_
FB
S
C
A
R
T
1
_
ID
T
V
_
L/R O
U
T
S
C
A
R
T
1
,2
/A
V
_
LO
U
T
/RO
UT
HDM
I_
IIS
P
C
_
A
udio_
L/
R
A
M
_
A
udio / S
I F
CO
M
P
1
,2
_
RIN/LIN
A
V
_
L
O
U
T
/RO
UT
L_CH
R_CH
L_CH
R_CH
L_OUT
R_OUT
LV
D
S
c
o
nne
c
tor
TV
_
O
U
T
TV
_
O
U
T
SCL/SDA_Part
SCL/SDA_Part
SCL/SDA_Part
SC
L
/S
D
A
_
Pa
rt
SC
L
/S
D
A
_
Pa
rt
_
5
V
SCL/SDA_Part_5V
S
C
L
/S
DA
_P
art
S
C
L
/S
DA
_P
art
S
C
L
/S
DA
_P
art
_5V
S
C
L
/S
DA
_P
art
_5V
TV
_
L
/R
O
U
T
:
500mV
rm
s
F
R
C
_
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