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Copyright ©
LG Electronics Inc. All rights reserved.
Only for training and service purposes.
Block Diagram
Main
SOC
Di
gital
De
mod
IF
(+/-)
OPTIC
DDR3 1066
X
8
(4Gb X 4E
A)
An
alog
De
mod
SY
ST
EM
EEPROM
(256Kb)
41P
51P
eM
MC
(8GB)
Sub
Mi
co
m
DDR3 1066
X
16
(4Gb X 2E
A)
P_
TS
X_
TA
L
24
MH
z
\(Ma
in
Cl
ock)
LM
GM
Cl
ock
Frequenc
y
20
MH
z
VB
Y1
USB
I2C 4
Ext
IR
AV
D-De
mod
: I2
C
3
R E A R (H)
AM
P
CVBS
/L/R
SPDIF
OU
T
I2C 1
IR
BLUTOOTH
WI
FI
SUB ASSY
IR
KEY
USB_
WI
FI-B
T
Tuner
: I2
C
5
LA
N
R E A R
ET
HERNET
LA
N
PH
Y
X_
TA
L
25M
Hz
CVBS
/SIF
Tuner
CO
MP
USB1 (3
.0)
USB2 (2
.0)
USB3 (2
.0)
OCP
1.6A
OCP
1.5A
R E A
R
OCP
1.5A
YP
bPr
UA
RT
RX
/T
X
2133Mbps
(1066Mhz
)
RS232
KEY
HD
MI
1 (2.0)
HD
MI
2 (2.0)
HD
MI
3 (2.0)
R E A R
(A
RC)
HD
MI
4 (2.0)
HD
MI
Sub Board
I2S
PWM
FA
N1
(F
AN
2)
Audio 2
AM
P
0X56, 0X54
Audio 1A
MP
0X54
H/
P
I2C 0
I2C 4
Mi
com
for motor
controll
Mo
tor
1, 2, 3, 4
PWM
AU
D_L
RCH_T
W
AU
D_L
RCH
Ext
IR
LED
