19LV2500-ZG, 19LV250A-ZG, 19LV250N-ZG, 19LV250U-ZG (CHASSIS:LD01R) - LG TV Service Manual (repair manual). Page 22

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- 22 -
BLOCK DIAGRAM
RGB PC
SPDIF
Component1
H/P OUT
HDMI1/2(DVI)
S
I2176
S
I2176
(LG
IT)
(LG
IT)
PC/DVI A
udi 
In
RS-232
C
IF
 +/-
TU_CVBS
SIF
L/R
S7LR
IC101
M
A
X
323
2
M
A
X
323
2
S
E
R
IAL
 F
L
AS
H
IC14
01 (8
M
 bit)
M
X
25
L
80
05M
2I
S
E
R
IAL
 F
L
AS
H
IC14
01 (8
M
 bit)
M
X
25
L
80
05M
2I
LVDS
(FHD/5
0Hz)
A
u
dio  
A
M
P
NTP7400
USB2.0
DP
/D
M
SPK L/R
X-ta
l
24
M
FPC(5
1P)
I2S
SP
DI
F
H/
P L/R
CV
BS
, Y/
Pb
/P
r,
 L
/R
RGB/
H/V
R
S
23
2C
Rear
TMDS
DD
R3 Add.
DD
R3 Dat
a
SP
I
AV
2
Side
N
A
ND  FL
A
S
H
IC10
2 (1Gbit
)
P
C
M_A[0:7]
TMDS
HDMI3
CV
BS
, L
/R
DDR3 1
G
b
IC
1202
H
5TQ1G63BF
R
DDR3 1
G
b
 
IC
1201
H
5TQ1G63BF
R
CONTROL
IR
 & LED /
SOFT TOUC
H
(T
A
C
T SWI
TCH)
SE
NS
O
R
_S
CL/S
D
A
LE
D_
R
KE
Y1
KE
Y2
IR
LE
D_
B
SOFT TOUC
H
_S
CL/S
D
A
M24M
0
1-HRMN6T
P
IC
104 
256
K
b
it
I2C
AV
2
CV
BS
, L
/R
Option
F-SC
A
R
T
SC1_CVBS_IN
SC1_R/G/B
FE_VOUT
CI Slot
74L
C
X
244
Bu
ffe
r
TS_
D
A
T
A[0:7]
P
C
M
_D
A
T
A
[0:7]
FE_
T
S_
D
A
T
A
[0:7]
PCM_
A
[8
:14
]
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