- 25 -
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NTS
C/VSB
Half-NIM
TUN
ER
LCD/PD
P
DIGITAL T
V
P
R
O
C
ES
SOR
[MSD3
36
8
G
V]
HD
M
I
Sw
it
c
h
(4-to-1)
[T
D
A
9996]
IF
MiCOM
[W
T61P8S]
I2C_CH4
I2C_CH1
I2C_CH2
3.3V_2
3.3V_L
3.3V_2
1.8V_1
3.3V_2
5.0V_1
TX
_
S
E
L
1.26V_1
1.8V_D
DR
3.3V_1
I2C_CH4
5.0V_
ST
Composi
te
Video
IN
Componen
t
(Y,Pb,Pr)
IN
AN
T
/
CA
B
L
E
IN
RGB
IN
HD
M
I
IN
(x4)
5.0V_T
U
I2C_CH6
BA
C
K
TX
_
S
E
L
I2C_CH2
VSB
/Q
A
M
De
modu
lator
[L
GD
T3305]
3.3V_
V
S
B
1.2V_
V
S
B
I2C_CH2
TS
I2C_CH2
I2C_CH4
I2C_CH6
1.8V_1
A
/V
A
udio
-1
A
/V
A
udio
-2
CO
M
P
A
udio
-1
CO
M
P
A
udio
-2
RGB
A
udio
AN
A
L
O
G
AU
D
IO
IN
PUT
DIGI
T
A
L
AU
D
IO
IN
PUT
I2S
S/
P
D
IF
S/P
D
IF
OUT
FRONT
FE_S
IF
HD
M
I
Transmitter
[S
iI
9134]
HD
M
I
De
MUX
[PI3HDM
I1210
]
RF
Transcei
v
e
r
[S
B9
1
1
0
]
Ne
tw
ork
Processor
[S
B
9
1
20]
HD
M
I
R
e
ce
iv
er
[S
iI
9125]
HDM
I
SiBEA
M I/
F
Wireless Module
3.3V_L
2.5V_L
1.0V_L
2.5V_L
1.5V_L
1.2V_L
1.0V_L
3.3V_L
1.8V_L
HD
M
I
OUT
HDM
I
S
IF
0
P,
SIF
0
N
FE_S
IF
,
S
IFM
O
AU
L4, AU
R
4
PC_L_IN, PC
_R_IN
AU
L3, AU
R
3
C
O
M
P2_L_IN, C
OM
P
2_R_IN
AU
L2, AU
R
2
AV1_L_IN,
AV1_R_IN
AU
L1, AU
R
1
C
O
M
P1_L_IN, C
OM
P
1_R_IN
AU
L0, AU
R
0
AV2_L_IN,
AV2_R_IN
AUDIO
INPUT
SATURN6
PORT
Audio Path Diagram
BLOCK DIAGRAM_AV BOX
Summary of Contents for 55LH80YD
Page 50: ......
