LG 40LX770H, Service Manual

Page: 27 / 53

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LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
BLOCK DIAGRAM
Ext.
SP
K
Line
Ou
t
LA
N
SY
ST
EM
DDR3 X
4
2Gb(2ea) 4Gb(2ea)
(Side,
AR
C)
HDM
I2
Etherne
t
SY
ST
EM
EEPROM
X
1
(256Kb
)
HDM
I
S/
W
Etherne
t
HUB IC
Ext
SPK
AM
P
HD
MI
1
PH
Y
Ch
ip
AU
X
LA
N
UA
RT
Ext.
Speaker
R/
L
L/R
OU
T
Serv
ic
e
CPU
Upgrad
e
MI
CO
M
Interna
l
Demod.
RJ
P
IR&Ke
y
(T
x/
Rx
)
UART
S/
W
Service Only MI
CO
M
Upgrad
e
(T
x/
Rx
)
Co
mponent
/
Co
mposit
e
Audio L/
R
Component
/
Composit
e
Ma
gic
WO
L
M
ag
ic
W
O
L
g
Realtek
WO
L
To
MICO
M
US
B
USB2
(Side)
HD
MI
3
Wi-Fi
Comb
o
(Side)
USB1
SPDIF
Speaker
A
udi
o
AM
P
EM
MC
(4GB
)
HDCP
Y/
Cb/Cr
/ CVBS
I2
C
TS_MUX
CVBS DI
F
SIF
SPDIF
IC10
1
M14+
RF
b-LA
N
De
mod.
IF
Data_T
S
MP
I / SP
I
Ga
me
Control
/
MP
I
TV-LINK
CF
G
MI
CO
M
EEPROM
X
1
(64Kb)
LVDS
KPEJ
*\
KPEJ
6*\
KPEJ
6*\
Pro:idio
m
Serial Parellel Serial Parellel