Service Manual
REV 0.1
10
* License: HDMI, HDCP
Recommendation
-20C to +60C" Prior to operation, LCD must obtain operating temp. before powering up.
Recommend 1 day stabilization time for extreme temperature conditions
1.3
Overall blockdiagram for the panel
F
R
C
M
S
T
7
4
1
0
VBY1 41p
VBY1 51p
S
C
A
L
E
R
M
S
T
9
8
4
9
DDR-III
DDR-III
D
D
R
-II
I
D
D
R
-II
I
HDMI
S/W
Sil9587-3
F
L
A
S
H
A
u
d
io
A
M
P
P
A
M
8
0
0
6
A
S
M
W
2
0
0
-1
5
W
2
0
0
M
a
in
p
o
w
e
r
S
M
W
2
0
0
-0
2
S
M
W
2
0
0
-1
0
W
7
0
2
IR
&
O
S
D
k
e
y
USB(F/W update)
U
S
B
T
o
u
c
h
A
u
d
io
IN
L
/R
Audio OUT L/R
DP IN
H
D
M
I I
N
DVI IN
H
D
M
I
HDMI
A
u
d
io
O
U
T
L
/R
LVDS(DUAL)
IR & OSD KEY
VBY1
VBY1
U
S
B
F
/W
U
p
d
a
te
HDMI
USB-B
J701
F/W
update
J1105
Touch
USB-B
J105
Audio IN
Power
STB3.3V
TCON 12V
Audio 12V
A/D Main Board
LCD Panel VBY1
3840x2160(UHD)
K84 Block Diagram (ver1.0)
2014.06.01
USB-A
Display
Port
J1103
Display
Port
J1107
HDMI1
IN
DVI
J1102
DVI IN
VGA
J1104
RGB IN
Stereo
Jack
W
2
0
5
S
U
B
B
L
U
/D
IM
S
M
W
2
5
0
-
0
3
W803
SPK-L
S
M
W
2
5
0
-
0
2
W804
SPK-R
SPKout-L
SPKout-R
V
G
A
IN
Audio IN L/R
VGA IN(R,G,B,H,V)
Stereo
Jack
DP to HDMI
PS171
DRV632P
J801
Audio
OUT
Audio OUT L/R
A
u
d
io
r
e
tu
rn
O
U
T
L
/R
HDMI
H
D
M
I I
N
J1101
HDMI2
IN
S
M
W
2
0
0
-
0
3
W
1
1
0
2
IR
USB-A
J
1
1
0
6
T
o
u
c
h
U
S
B
SMW250-04
W203
Panel 12Vout
(UHD65
전용
)
Stereo
Jack
SP3222
J1109
RS-232
R
S
2
3
2
UART
1
2
5
0
5
W
R
-0
5
OSD Key
1
2
5
0
5
W
R
-0
3
IR receiver
(internal)
SMW200-
03
W701
F/W update
TSH343
74125
H,V
R,G,B
FLASH
F
/W
u
p
d
a
te
E2PRO
M
FLASH
1
0
W
8
Ω
1
0
W
8
Ω
AFO IR Touch
Summary of Contents for KT-LL84ULFX-PD
Page 2: ...Service Manual REV 0 1 2 REVISION HISTORY REVISION DATE NOTE REV0 1 Jun 06 2015 1st issued ...
Page 24: ...Service Manual REV 0 1 24 2 8 No Speaker out from internal speakers ...
Page 25: ...Service Manual REV 0 1 25 2 9 The fault of Remote control ...
Page 26: ...Service Manual REV 0 1 26 2 10 The fault of Key control pad ...
Page 27: ...Service Manual REV 0 1 27 2 11 Image overlap focus or flicker ...
Page 28: ...Service Manual REV 0 1 28 2 12 Brightness defect ...
Page 33: ...Service Manual REV 0 1 33 3 2 Front disassembly 3 2 1 Remove bolts Remove FRONT cover ...
Page 36: ...Service Manual REV 0 1 36 ...
Page 46: ...Service Manual REV 0 1 46 2 Part number 109273 SUB SMPS CN7 AD B D W205 ...
Page 47: ...Service Manual REV 0 1 47 3 Part number 109272 Main SMPS CN4B SUB SMPS CN8 AD Main W200 ...
Page 48: ...Service Manual REV 0 1 48 4 Part number 109271 AD Main W804 5 Part number 109270 AD Main W803 ...
Page 49: ...Service Manual REV 0 1 49 6 Part number 109269 ...
Page 50: ...Service Manual REV 0 1 50 6 Part number 107545 Main SMPS CN4A SUB SMPS CN3 ...
Page 51: ...Service Manual REV 0 1 51 7 Part number 107542 OSD KEY ...
Page 52: ...Service Manual REV 0 1 52 8 Part number 110383 ...
Page 54: ...Service Manual REV 0 1 54 10 Part number 107536 SMPS Converter 11 Part number 107535 ...
Page 55: ...Service Manual REV 0 1 55 12 Part number 108481 ...
Page 56: ...Service Manual REV 0 1 56 41p 13 Part number 108482 ...
Page 64: ...Service Manual REV 0 1 64 10 2 Packaging 10 2 1 Unpacking ...