Read LG 72LEX9S-CA (CHASSIS:LC03N) Service Manual online
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High Ch
a
s
s
is
B
C
M
3556
(IC1
0
0
)
H
ig
h
C
hassis
H
ig
h
C
hassis
B
C
M
3556
B
C
M
3556
(IC1
0
(IC1
0
0
0
)
)
EE
PRO
M
( I
C
6401
)
EE
PRO
M
( I
C
6401
)
(J
K6403
)
(J
K6402)
DS
UB
_R,G
B, R
GB
_H
/V SYN
C
, DS
UB
_DET, IS
P
_RXD/TXD
RGB_DDC_SC
L/
S
DA
PC _R/
L _I
N
SCL2 / SDL2
_
3
.3
V
A
P
2191SG-13
(I
C
2202/2203
)
A
P
2191SG
A
P
2191SG
-
-
13
13
(IC
(IC
2202/2203
2202/2203
)
)
RGB In
PC
A
udi
o
USB
(Sid
e)
(J
K
2201
/2
)
S
P
D
IF
J
K
6401
SPDIF_
O
UT
(J
K6302
)
D0+/-,D
1+/-,D2+/
-,CK+/-_HDMI1
DDC_SCL
1
/SD
A
1
HDMI1
In
(J
K6300
)
DDC_SCL
2
/SD
A
2
HDMI2
In
(J
K6301
)
DDC_SCL
3
/SD
A
3
HDMI3
In
D0+/-,D
1+/-,D2+/
-,CK+/-_HDMI2
D0+/-,D
1+/-,D2+/
-,CK+/-_HDMI3
IC
2201
U
S
B
2512
A
IC
2201
IC
2201
U
S
B
2512
A
U
S
B
2512
A
IC6300
HDMI
SWITCH
HDMI_RX
0+/-,
RX1+/-,R
X
2+/-,CLK+/-
DDC_SCL
/SD
A
P1700
Motion Remote
M_Re
mote
_RX
/
TX
M_RF Modul
e
_
re
s
et
DC/DD
C
V
B
S
Gen
d
e
rJK
6603
C
o
m
p
Ge
n
d
e
rJK
6600
R
E
A
R
_
A
V_
C
B
VS
,
A
V
_C
V
B
S_
DE
T
; R
E
A
R
_
A
V_
L
/R_
IN
SIDE
_CO
M
P
_
Y
/Pb/
P
r,
SIDE
_COMP_DE
T
SIDE
_CO
M
P
_
INCM
R
S
232
(J
K6201)
R
S
232 I
C
MA
X3232
IC
6200
R
S
232 I
C
R
S
232 I
C
MA
X3232
MA
X3232
IC
6200
IC
6200
Wi
re
less
(
J
K6700
)
Sw
it
c
h
IC
6700
Sw
it
c
h
Sw
it
c
h
IC
6700
IC
6700
Wi
re
less_ T
X
/RX
BCM_TXD
1/R
X
D1
BCM_TX/R
X
NEC_
Mi
co
m
U
P
D
78F0513
IC
8101
NEC_
Mi
co
m
NEC_
Mi
co
m
U
P
D
78F0513
U
P
D
78F0513
IC
8101
IC
8101
NEC_
TXD/R
X
D
NEC_
IS
P
_T
X
/R
X
Wi
re
less _
D
L_
TX
/R
X
Wi
re
less
_S
C
L
/S
D
A
(S
C
L
2/S
D
A
2_3.
3V
)
EPH
Y
_TDP
/TDN
/RDP/RDN
ETHERN
ET
(J
K6701
)
LA
N
T
D
FD-
C
05
5D L
CH
B
MA
IN
T
D
FD-
C
05
5D L
CH
B
MA
IN
SIDE
_USB_DM/DP
USB_DM
1/DP
1
USB_DM
2/DP
2
SC
A
R
T
_D
E
T; S
CR_R/
G/B
C
o
m
p
Ge
n
d
e
rJK
6602
C
V
B
S
Gen
d
e
rJK
6601
S
IDE_
A
V_C
B
VS,
A
V
_CV
B
S_
DET
;
S
IDE_
A
V_L/R
_
IN
EPHY
_
A
C
TI
VITY /
LINK
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