LG UltraFine 24MD4KL, Service Manual, Page: 7 / 24

- 7 - Copyright © LG Electronics Inc. All rights reserved.
Only training and service purposes.
BLOCK DIAGRAM
Pan
el
: 3840x2160
FW
U
pdat
e/
B
L
C
ont
rol
L R
B
ackl
ig
ht
2-
bar
(4ch
x 2)
U
SB
-C
Hu
b
(IC
200)
D
own
1
D
own
2
D
own
3
D
own
4
US
B2
.0
Hu
b
(IC
206)
Up
st
ream
Fl
ash
8M
b
Up
st
ream
D
own
1
D
own
2
D
own
3
D
own
4
M
ic
om
(IC
300)
US
B Au
di
o
Pr
ocesso
r
(IC
301)
Fl
ash
8Mb
A
udi
o
A
m
plif
ie
r
(IC
303)
M
ain
So
C
(IC500)
LE
D
D
river
x 2E
A
Fl
ash
8M
b
Fan
70x
70,
1500
Th
erma
l
Sen
so
r
AL
S
TCO
N
LGD
23.
8”
e
DP
I2
C
P
WM
U
SB2
.0
DDC
I2
C
I2
C
I2
C
P
WM
eD
P
I2
C
I2
S
VBU
S
VBU
S
U
SB2
.0
PD
C
ont
rol
le
r
(T
I) (
IC
100)
TB
T I
C
(IC
600)
PD
C
ont
rol
le
r
(T
I) (
IC
101)
TBT
A_
C
C
1/
2
U
SB2
_A
TB
T
B_C
C
1/
2
U
SB2
_B
TB
T (
40G
bp
s)
TB
T (
40G
bp
s)
UA
RT
RX
/
TX
D
P Ou
t
TB
T B
TB
T A
USB
3 G
EN
1
US
B 2
.0
M
ux B
lo
ck
U
SB2
_PA
U
SB2
_PB
U
SB
2_T
R
_A
U
SB
2_T
R
_B Fl
ash
8M
b
4K
, 3840x
2160@
60
I2
C
I2
C
I2
C
I2
C
I2
C
EEPR
OM
32K
b
EEPR
OM
2Kb
VBU
S
I2
C
M
ai
n
Bo
ard
Su
b
Bo
ard