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Product Information
Product Information
DATE : 23.Dec.2010
SAMSUNG TFT--
SAMSUNG TFT
SAMSUNG TFT-LCD
MODEL
MODEL
MODEL
The Information Described in this Specification is Preliminary and can be changed without
prior no
tice
LCD
LCD
: LTI820HT-L03
: LTI820HT--
: LTI820HT
L03
L03
hwwyv}lkGi
Nam-Heon Kim
DATE DATE
07.May.2010
wylwhylkGi
Yu-Geun Lee
07.May.2010
Development Team 2, LCD Business
Samsung Electronics Co . , LTD.
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Contents
Revision History -------------------------------------------------------------------------------------------- (3)
General Description --------------------------------------------------------------------------------------- (4)
General Information --------------------------------------------------------------------------------------- (4)
1. Absolute Maximum Ratings -------------------------------------------------------------------------- (5)
2. Application information for I.D. (Information Display) ------------------------------------------- (6)
3. Optical Characteristics --------------------------------------------------------------------------------- (7)
4. Electrical Characteristics ----------------------------------------------------------------------------- (10)
4.1 TFT LCD Module
4.2 Back Light Unit
4.3 Inverter Input & Specification
5. Input Terminal Pin Assignment --------------------------------------------------------------------- (13)
5.1 Input Signal & Power
5.2 Inverter Input Pin Configuration
5.3 Inverter Input Power Sequence
5.4 LVDS Interface
5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
6. Interface Timing ---------------------------------------------------------------------------------------- (18)
6.1 Timing Parameters (DE only mode)
6.2 Timing Diagrams of interface Signal (DE only mode)
6.3 Power ON/OFF Sequence
7. Outline Dimension -------------------------------------------------------------------------------------- (21)
8. Packing --------------------------------------------------------------------------------------------------- (23)
9. Marking & Others --------------------------------------------------------------------------------------- (24)
10. General Precaution ----------------------------------------------------------------------------------- (25)
10.1 Handling
10.2 Storage
10.3 Operation
10.4 Operation Condition Guide
10.5 Others
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* Revision History
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Date
Dec
29,
2010
Dec
23,
2010
Rev.
No
001
6
7
10
12
18
SummaryPage
First issuedall000
Luminance of White Typ : 600nit Æ 700nit4
Display pattern: moving picture Æ moving picture or regular switchover display
Luminance of White Min : 500nit Æ 550nit
Luminance of White Typ : 600nit Æ 700nit
Vsync range : 49Hz ~ 65Hz Æ 50Hz ~ 62Hz
Hsync range : 65.5kHz ~ 69.5kHz Æ 60kHz ~ 70kHz
Main Clock frequency range : 131.0Mhz ~ 148.5Mhz Æ 120Mhz ~ 154Mhz
Rush current Max : 7.5A Æ 7.0A
Lamp Current Range : 5.5mA ~ 6.5mA Æ 6.0mA ~ 7.0mA
Lamp Frequency Range : 45kHz ~ 55kHz Æ 60kHz ~ 66kHz
ync range : 49Hz ~ 65Hz Æ 50Hz ~ 62Hz
Vs
Hsync range : 65.5kHz ~ 69.5kHz Æ 60kHz ~ 70kHz
Main Clock frequency range : 131.0Mhz ~ 148.5Mhz Æ 120Mhz ~ 154Mhz
Mechanical drawing change21, 22
Packing Method and specification are determined.23
Portrait direction note is added. 10.5 (b)27
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General Description
Description
LTI820HT-L03 is a color active matrix liquid crystal display (LCD) that uses amorphous
silicon TFT(Thin Film Transistor) as switching components. This model is composed of a
TFT LCD panel, a driver circuit and a back light unit. The resolution of a 82.0“ is
1920 x 1080 and this model can display up to 16.7 million colors with wide viewing angle
of 89¶ or higher in all directions. This panel is intended to support applications to provide a
excellent performance for Flat Panel Display such as Home-alone Multimedia TFT-LCD
TV, Display terminals for AV application products, and Digital Information Display (DID).
Features
RoHS compliance (Pb-free)
High contrast ratio, High aperture ratio, High luminance
SPVA(Super Patterned Vertical Align) mode
Wide viewing angle (·178¶)
High speed response
Portrait / Landscape type compatible
WUXGA (1920 x 1080 pixels) resolution (16:9)
Low Power consumption
Direct Type 88 CCFTs(Cold Cathode Fluorescent Tube)
DE(Data Enable) mode
LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)
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General Information
Module Size
1878.6(W
40% , Hard-coating (3H)Surface Treatment
Haze
RGB vertical stripePixel Arrangement
TYP
92.5(D
Normally BlackDisplay Mode
450 (Typ.)Luminance of White
) x 1083.6(H
)
MAX
1015.74(V)Active Display Area
TYP
UnitSpecificationItems
)
mm
g63,000(Max.)Weight
mm0.9405(H) x 0.9405(V)Pixel Pitch
mm1805.76(H) x
colors8 bit - 16.7MDisplay Colors
pixel1920 x 1080Number of Pixels
2
cd/m
Note
·1.0mm
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1. Absolute Maximum Ratings
If the condition exceeds maximum ratings, it can cause malfunction or unrecoverable
damage to the device.
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NoteUnitMax.Min.SymbolItem
Power Supply Voltage
Storage temperature
Glass surface
Center
DD
STG
OPR
temperature
(Operation)
T. Uniformity
Shock ( non - operating )
Vibration ( non - operating )
Note (1) Ta= 25 · 2 ¶C
(2) Temperature and relative humidity range are shown in the figure below.
a. 90 % RH Max. (Ta ˺ 39 ¶C)
b. Relative Humidity is 90% or less. (Ta > 39 ¶C)
c. No condensation
(3) 11ms, sine wave, one time for ·X, ·Y, ·Z axis
(4) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
T
nop
nop
-30
(1)V13.2GND-0.5V
60-20T
500T
(2)
(2),(5)
10-
(3)GS
(4)G1.5-V
Fig. Temperature and Relative humidity range
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(5) Definition of test point
5mm
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5mm
1
5
2
T should be less than 10
: Temperature of the center of the glass surface
T
OPR
(ƸT = | T
OPR–TMAX
| )
(Test point 5)
T1~T4 : Temperature of each edge of the glass surface
: The highest temperature of the glass surface
T
MAX
LCD Module
43
2. Application information for I.D. (Information Display)
Generally large-sized LCD modules are designed for TV applications. A long-term display like DID
application can cause uneven display including image retention. To optimize module's lifetime and
function, several operating usages are required.
1. Normal operating condition
- Temperature: 20 · 15
- Humidity: 65 · 20 %
- Display pattern: moving picture or regular switchover display
Note) Long-term static information image may cause uneven display.
2. Operating usages under abnormal operating condition. Note (1)
a. Ambient condition
- Well-ventilated place is recommended to set up I.D. system.
b. Power off and screen saver
- Periodical power-off or screen saver is needed after long-term static display. Note (2)
3. Operating usages to protect uneven display due to long-term static information display
a. Suitable operating time: under 18 hours a day.
b. Static information display is recommended to use moving picture periodically.
- Change display to moving picture for 10 seconds after 5 minutes static information display.
c. Background and character (image) color change
- Use different colors for background and character (image), respectively.
- Change colors periodically.
d. Avoid combination of background and character with large different luminance.
Note (1) Abnormal condition means every operating condition except normal operating condition.
Note (2) Moving picture or black pattern is strongly recommended for screen saver.
4. Lifetime in this spec is guaranteed only when I.D. is used under operating usages.
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3. Optical Characteristics
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : TO
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PCON BM-7,SPECTRORADIOMETER SR-3
Contrast Ratio
(Center of screen)
Response
Time
Luminance of White
(Center of screen)
Color
Chromaticity
(CIE 1931)
Rising
Falling
Red
Green
Blue
White
(Ta = 25 · 2¶C, VDD = 12V, fv = 60Hz, f
TgG-to-G
al
L
Rx
Norm
TL,R=0
TU,D=0
Viewing
Angle
TYP.
-0.03
0.648
0.333Ry
0.271Gx
0.592Gy
0.141Bx
0.066By
0.280Wx
0.290Wy
= 148.5MHz, IL= 6.5mArms)
DCLK
-12001000C/R
103.5-Tr
104.5-Tf
108-
-450400Y
TYP.
+0.03
msec
cd/m
2
SR-3
BM-7
(7),(8)
NoteUnitMax.Typ.Min.ConditionSymbolItem
(3)
(5)
(6)
SR-3
SR-3
T
Hor.
Viewing
Angle
Ver.
Brightness Uniformity
(9 Points)
L
R
U
D
uni
Note (1) Test Equipment Setup
The measurement should be executed in a stable, windless and dark room between
40min and 60min after lighting the back light at the given temperature for stabilization
of the back light. This should be measured in the center of screen.
Single lamp current : 6.5mA
Environment condition : Ta = 25 · 2 ¶C
C/R˻10
%-72--Color Gamut
K-10,000--Color Temperature
-8975
-8975T
Degree
-8975T
-8975T
%25--B
(7)
SR-3
(7)
SR-3
(8)
SR-3
(4)
SR-3
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FieldPhoto detector
SR-3
BM-7
TFT - LCD Module
Note (2) Definition of test point
1
°
2
°
180 540 900
Photo detector
Field
The center of the screen
SR-3 :
BM-7 : 50
50
LCD Panel
㎝
㎝
Note (3) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point 㽶 of the panel
G
CR
/
max
G
min
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
0
2
3
960
1600
Active Area
Test Point
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Note (4) Definition of 9 points brightness uniformity
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BB
Buni
Bmax : Maximum brightness
Bmin : Minimum brightness
Note (5) Definition of Response time : Sum of Tr, Tf
Display data
Optical Inst
Response
ruments
(max min)
100
100%
90%
10%
0%
B
max
Black (data
off)
T
White (data on)
R
e (data off)
Whit
T
F
TIME
Note (6
Note (7) Definition of Color Chromaticity (CIE 1931)
Note (8) Definition of Viewing Angle
) Definition of Luminance of White : Luminance of white at center point 㽶
Color coordinate of Red, Green, Blue & White at center point 㽶
: Viewing angle range (C/R ˻ 10)
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4. Electrical Characteristics
4.1 TFT LCD Module
The connector for display data & timing signal should be connected.
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Ta = 25¶C · 2 ¶C
NoteUnitMax.Typ.Min.SymbolItem
Voltage of Power Supply
Black
Current
(a)
of Power
DD
I
DD
Supply
Vsync Frequency
Hsync Frequency
Main Frequency
Rush Current
V
H
DCLK
RUSH
148.5120.0f
Note (1) The ripple voltage should be controlled under 10% of VDD.
V = 60Hz, fDCLK = 148.5MHz, V
(2) f
= 12.0V, DC Current.
DD
(3) Power dissipation check pattern (LCD Module only)
a) Black Pattern b) White Pattern c) N-Pattern
(1)V13.212.010.8V
mA-1000-
mA-1200-(b) White
(2),(3)
mA19001700-(c) N-Pattern
Hz626050f
kHz70.067.560.0f
MHz154.0
(4)A7--I
(4) Measurement Conditions
100%
90%
10%
GND
Rush Current I
RUSH
T
=470༕
RUSH
can be measured when T
. is 470༕.
RUSH
V
DD
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4.2 Back Light Unit
The back light unit contains 88 direct-lighting type CCFTs (Cold Cathode Fluorescent
Tube). The characteristics of lamps are shown in the following tables.
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Ta=25 · 2¶C
em
It
Lamp Current
Lamp Voltage
mbol
L
L
Max.Typ.Min.Sy
it
NoteUn
mArms7.05.54.0I
Vrms218420801976V
Note (1) It is defined as the time to take until the brightness reduces to 50% of its original value.
[Operating condition : Ta = 25·2, IL = 5.5mArms, For single lamp only]
1
HOT
HOT
HOT
1
2
3
HOT
HOT
HOT
2
3
LCD
Module
Inverter
Inverter
(1)Hour--50,000HrOperating Life Time
HOT
HOT
HOT
86
87
88
HOT
HOT
HOT
86
87
88
Fig. Rear view
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4.3 Inverter Input Condition & Specification
ConditionsSymbolItems
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Specifications
NoteUnit
Max.Typ.Min.
Input
Voltage
Input
Current
Lamp
Current
Frequency
Backlight
On/Off
Dimming
ntrol
Co
Note
(1) Power Consumption is measured at 700[cd/m2] of luminance condition which is
Ta=25·YG¶jV262422-Vin
Iin
O,MAX
F
LAMP
ON
Vin = 24.0V
Vdim = 3.3V
Vin = 24.0V
Vdim = 3.3V
5.5-2.4
A50--
mArms7.06.56.0Vdim = 3.3VI
After 1 hour
Warm-up
kHz666360
Vin = 24.0V
0.8-0OFF
--3.3Max Lum
V
DIM
0--Min. Lum
the typical luminance value. Lamp Current is measured at the point before Lamp.
-V
-V
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5. Input Terminal Pin Assignment
5.1 Input Signal & Power Connector : FI-RE51S-HF (JAE)
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PIN No.
10
Odd
LVDS
Signal
Vdd
(12V)2
on
RO[0]N
RO[0]P
RO[1]N
RO[1]P
RO[2]N
RO[2]P
GND
ROCLK-
PIN No.Descripti
26Vdd (12V)1
27
28Vdd (12V)3
29Vdd (12V)4
30Vdd (12V)5
31GND6
32GND7
33GND8
34GND9
35
3611
Descripti
Even
LVDS
Signal
No Connection3712
No Connection3813
No Connection4015
No Connection4116
No Connection4217
on
RE[0]P
RE[1]N
RE[1]P
RE[2]N
RE[2]P
GND
RECLK-
RECLK+
GND
RE[3]N
RE[3]P
GND3914
Note(1)
ROCLK+
GND
RO[3]N
RO[3]P
RE[0]N
No Connection4318
No Connection4419
No Connection4520
No Connection4621
No Connection47No Connection22
No Connection48No Connection23
No Connection49GND24
No Con
No Connection51
nection50Even LVDS25
No Connection :These N.C. pins are only used for SAMSUNG internal purpose.
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Note (2) Pin number starts from Right side
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PCB
Pin No. 1 Pin No. 51
#1 #51
#1
#51
Fig. Connector diagram
a. All GND pins should be connected together and also be connected to the LCD’s
metal chassis.
b. All power input pins should be connected together.
c. All N.C. pins should be separated from other signal or power.
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5.2 Inverter Input Pin Configuration
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Connector : JST, S14B-PHA-SM-TB(LF)
Pin Configuration(FUNCTION)Pin No.
Vin (24 V)1
Vin (24 V)2
Vin (24 V)3
Vin (24 V)4
Vin (24 V)5
GND6
GND7
GND8
Backlight On /Off [On:2.4 ~ 5.5 V, Off: 0 ~ 0.8 V]12
Dimming Control [0V: Min, 3.3V: Max]13
5.3 Inverter Input Power Sequence
0.9 Vin
Vin (24V)
Dimm
ing Control
20msec [M
0.5sec [Min]
in]
0.1 Vin
GND9
GND10
No Connection11
No Connection14
1.1sec [Min]
0.5sec [Min]
Back Light On/Off
0.5sec [Min]
2.4 V
0.1sec [Min]
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5.4 LVDS Interface
- LVDS Receiver : Tcon (merged)
- Data Format (JEIDA & Normal) Default LVDS Option : VESA
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VESA -DATAJEIDA -DATALVDS pin
R0R2TxIN/RxOUT0
R1R3TxIN/RxOUT1
R2R4TxIN/RxOUT2
TxOUT/RxIN0
TxOUT/RxIN1
TxOUT/RxIN2
R3R5TxIN/RxOUT3
R4R6TxIN/RxOUT4
R5R7TxIN/RxOUT6
G0G2TxIN/RxOUT7
G1G3TxIN/RxOUT8
G2G4TxIN/RxOUT9
G3G5TxIN/RxOUT12
G4G6TxIN/RxOUT13
G5G7TxIN/RxOUT14
B0B2TxIN/RxOUT15
B1B3TxIN/RxOUT18
B2B4TxIN/RxOUT19
B3B5TxIN/RxOUT20
B4B6TxIN/RxOUT21
B5B7TxIN/RxOUT22
TxOUT/RxIN3
HSYNCHSYNCTxIN/RxOUT24
VSYNCVSYNCTxIN/RxOUT25
DENDENTxIN/RxOUT26
R6R0TxIN/RxOUT27
R7R1TxIN/RxOUT5
G6G0TxIN/RxOUT10
G7G1TxIN/RxOUT11
B6B0TxIN/RxOUT16
B7B1TxIN/RxOUT17
RESERVEDRESERVEDTxIN/RxOUT23
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5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
COLOR
BASIC
COLOR
GRAY
SCALE
OF
RED
GRAY
SCALE
OF
GREEN
GRAY
SCALE
OF
BLUE
DISPLAY
(8bit)
EN
ITE
DA
RK
↑
↓
LIGHT
D
RK
DA
↑
↓
LIGHT
EN
DA
RK
↑
↓
LIGHT
DATA SIGNAL
BLUEGREENRED
::::::::::::::::::
::::::::::::::::::
::::::::::::::::::
::::::::::::::::::
::::::::::::::::::
::::::::::::::::::
GRAY
SCALE
LEVEL
B7B6B5B4B3B2B1B0G7G6G5G4G3G2G1G0R7R6R5R4R3R2R1R0
-000000000000000000000000BLACK
-111111110000000000000000BLUE
-000000001111111100000000GRE
-111111111111111100000000CYAN
-000000000000000011111111RED
-111111110000000011111111MAGENTA
-000000001111111111111111YELLOW
-111111111111111111111111WH
R0000000000000000000000000BLACK
R1000000000000000000000001
R2000000000000000000000010
R3~
R252
R253000000000000000011111101
R254000000000000000011111110
R255000000000000000011111111RE
G0000000000000000000000000BLACK
G1000000000000000100000000
G2000000000000001000000000
G3~
G252
G253000000001111110100000000
G254000000001111111000000000
G255000000001111111100000000GRE
B0000000000000000000000000BLACK
B1000000010000000000000000
B2000000100000000000000000
B3~
B252
B253111111010000000000000000
B254111111100000000000000000
B255111111110000000000000000BLUE
Note) Definition of Gray :
Rn : Red Gray, Gn : Green Gray, Bn : Blue Gray (n = Gray level)
Input Signal : 0 = Low level voltage, 1 = High level voltage
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6. Interface Timing
6.1
Timing Parameters (DE only mode)
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Signa
Clock
Hsync
Vsync
l
It
em
Frequency
mbol
C
H
V
Max.Typ.Min.Sy
it
Active
Vertical
Display
Period
VD
Display Term
Vertical
Total
V
Active
Horizontal
ay Term
Displ
Display
Period
HD
Horizontal
Total
H
Note) This product is DE only mode. The input of Hsync & Vsync signal does
not have an effect on normal operation.
Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
NoteUn
-MHz154.0148.5120.01/T
-KHz70.067.560.0F
-Hz626050F
-Lines-1080-T
-Lines115811251092T
-Clocks-1920-T
-clocks240022002016T
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6.2 Timing diagrams of interface signal (DE only mode)
DE
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TV
TVD
H
T
VB
T
DCLK
DATA
SIG
DE
NALS
D
CLK
THD
TCH
TC
TC
TCL
0.5
V
CC
T
DS
T
DH
DISPLAY
DATA
DE
T
ES
0.5
V
CC
0.5
V
CC
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6.3 Power ON/OFF Sequence
To prevent a latch-up or DC operation of the LCD Module, the power on/off
sequence should be as the diagram below.
1˺10msec
0<T
0<T2˺50msec
0<T3˺50msec
1000msec˺T4
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1000msec˺T5
Recommend Value)
(
100msec˺T6
(Recommend Value)
T1 : VDDrising time from 10% to 90%
T2 : The time from V
T3 : The time from valid data off to V
T4 : V
off time for Windows restart
DD
to valid data at power ON.
DD
off at power Off.
DD
T5 : The time from valid data to B/L enable at power ON.
T6 : The time from valid data off to B/L disable at power Off.
The supply voltage of the external system for the Module input should be the same
as the definition of V
Apply the la
mp voltage within the LCD operation range. When the back light turns on
DD
.
before the LCD operation or the LCD turns off before the back light turns off,
the display may momentarily show abnormal screen.
In case of V
= off level,
DD
please keep the level of input signals low or keep a high impedance.
T4 should be measured after the Module has been fully discharged between power off
and on period.
Interface signal should not be kept at high impedance when the power is on.
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Outline Dimension (Front View)
7.
t
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Outline Dimension (Rear View)
7.
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8. PACKING
8.1 CARTON (Internal Package)
(1) Packing Form
Corrugated fiberboard box and corrugated cardboard as shock absorber
(2) Packing Method
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8.2 Packing Specification
LCD Packing
5ea / (Packing-Pallet
Box)
VerticalPacking Direction
386 kgTotal Pallet Weight
RemarkSpecificationItem
1. 310Kg / LCD (5ea)
2. 24 Kg / Cushion-pallet (4ea)
3. 14 Kg / Packing-Pallet Box (1ea)
4. Cushion-pallet Material : EPS
5. Packing-Pallet Box Material : DW4
1. Pallet weight = 38kg1Box / PalletPallet
2025mm(H) x 1050mm(V) x 1280mm(height)H x V x heightTotal Pallet Size
Pallet(38kg) + Module(310 kg) + Cushion(24kg)
+ Pallet-BOX(14kg)
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9. MARKING & OTHERS
A nameplate bearing followed by is affixed to a shipped product at the specified
location on each product.
(1) Part number : LTI820HT-L01
(2) Revision: Three letters
(3) Lot number : X X X X XXX
(4) Nameplate Indication
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XX X
Cell Position No. (In the Glass)
Glass No. (In the one Lot)
Lot No. (Glass)
Month
Year (Note1)
Product code
Line
LTI820HT-L01
XXXXXXXXXX XXX
(5) Packing box attach
LTI820HT-L01
Week code : 05 29
week
year
40mm
Revision code
Lot number
80mm
100mm
Part number
XXXX
12
Box serial number
165mm
(6) Others
1. After service part
Lamps cannot be replaced because of the narrow bezel structure.
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10. General Precautions
10.1 Handling
(a) When the Module is assembled, it should be attached to the system firmly
using all mounting holes. Be careful not to twist and bend the Module.
(b) Because the inverter use high voltage, it should be disconnected from power
before it is assembled or disassembled.
(c) Refrain from strong mechanical shock and / or any force to the Module.
In addition to damage, this may cause improper operation or damage to the Module
and CCFT back light.
(d) Note that polarizers are very fragile and could be damage easily.
Do not press or scratch the surface harder than a HB pencil lead.
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(e) Wipe off water droplets or oil immediately. If you leave the droplets for a long
time, staining or discoloration may occur.
(f) If the surface of the polarizer is dirty, clean it using absorbent cotton or soft cloth.
(g) Desirable cleaners are water, IPA(Isopropyl Alcohol) or Hexane.
Do not use Ketone type materials(ex. Acetone), Ethyl alcohol, Toluene, Ethyl acid
or Methyl chloride. It might permanent damage to the polarizer due to chemical
reaction.
(h) If the liquid crystal material leaks from the panel, it should be kept away
from the eyes or mouth . In case of contact with hands, legs or clothes, it must
be washed away with soap thoroughly.
(i) Protect the Module from static, or the CMOS Gate Array IC would be damaged.
(j) Use finger-stalls with soft gloves in order to keep display clean during the
incoming inspection and assembly process.
(k) Do not disassemble the Module.
(l) Do not pull or fold the lamp wire.
(m) Do not adjust the variable resistor located on the Module.
(n) Protection film for polarizer on the Module should be slowly peeled off just before use
so that the electrostatic charge can be minimized.
(o) Pins of I/F connector should not be touched directly with bare hands.
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10.2 Storage
(a) Do not leave the Module in high temperature, and high humidity for a long time.
It is highly recommended to store the Module with temperature from 0 to 35
and relative humidity of less than 70%.
(b) Do not store the TFT-LCD Module in direct sunlight.
(c) The Module should be stored in a dark place. It is prohibited to apply sunlight or
fluorescent light in storing.
10.3 Operation
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(a) Do not connect or disconnect the Module in the "Power On" condition.
(b) Power supply should always be turned on/off by the "Power on/off sequence"
(c) Module has high frequency circuits. Sufficient suppression to the electromagnetic
interference should be done by system manufacturers.
Grounding and shielding methods may be important to minimize the interference.
(d) The cable between the back light connector and its inverter power supply should
be connected directly with a minimized length. A longer cable between
the back light and the inverter may cause lower luminance of lamp(CCFT) and
may require higher startup voltage(Vs).
10.4 Operation Condition Guide
(a) The LCD product should be operated under normal conditions.
Normal condition is defined as below;
- Temperature : 20·15
- Humidity : 55·20%
- Display pattern : continually changing pattern (Not stationary)
(b) If the product will be used in extreme conditions such as high temperature,
humidity, display patterns or operation time etc.., It is strongly recommended
to contact SEC for Application engineering advice. Otherwise, its reliability and
function may not be guaranteed. Extreme conditions are commonly found at
Airports, Transit Stations, Banks, Stock market, and Controlling systems.
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10.5 Others
(a) Ultra-violet ray filter is necessary for outdoor operation.
(b) Module should be turned clockwise (regular front view perspective) when used in
portrait mode
(c) Avoid condensation of water. It may result in improper operation or disconnection
of electrode.
(d) Do not exceed the absolute maximum rating value. ( supply voltage variation,
input voltage variation, variation in part contents and environmental temperature,
and so on)
Otherwise the Module may be damaged.
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(e) If the Module keeps displaying the same pattern for a long period of time,
the image may be "sticked" to the screen.
To avoid image sticking, it is recommended to use a screen saver.
(f) This Module has its circuitry PCB's on the rear side and should be handled
carefully in order not to be stressed.
(g) Please contact SEC in advance when you display the same pattern for a long time.
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