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PDF LC840EQD-SEM1 Data sheet ( Hoja de datos )

Número de pieza LC840EQD-SEM1
Descripción QWUXGA TFT LCD
Fabricantes LG 
Logotipo LG Logotipo



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No Preview Available ! LC840EQD-SEM1 Hoja de datos, Descripción, Manual

Product Specification
SPECIFICATION
FOR
APPROVAL
LC840EQD
( ) Preliminary Specification
( ) Final Specification
Title
84.0” QWUXGA TFT LCD
BUYER
MODEL
General
SUPPLIER
LG Display Co., Ltd.
*MODEL
LC840EQD
SUFFIX
SEM1 (RoHS Verified)
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
/
SIGNATURE
DATE
APPROVED BY
S.K.Park / Team Leader
SIGNATURE
DATE
REVIEWED BY
/ S.W. Yu / Project Leader
/
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 1.0
PREPARED BY
K.H.Jang / Engineer
TV Product Development Dept.
LG Display Co., Ltd.

1 page




LC840EQD-SEM1 pdf
Product Specification
LC840EQD
2. Absolute Maximum Ratings
The following items are maximum values which, if exceeded, may cause faulty operation or permanent damage
to the LCD module.
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Power Input Voltage
LCD Circuit
Driver
Driver Control Voltage
ON/OFF
Brightness
T-Con Option Selection Voltage
Operating Temperature
Storage Temperature
Panel Front Temperature
Operating Ambient Humidity
Storage Humidity
Symbol
VLCD
VBL
VOFF / VON
EXTVBR-B
VLOGIC
TOP
TST
TSUR
HOP
HST
Value
Min Max
-0.3 +14.0
-0.3 + 27.0
-0.3 +5.5
0.0 +5.5
-0.3 +4.0
0 +50
-20 +60
- +68
10 90
10 90
Unit
VDC
VDC
VDC
VDC
VDC
°C
°C
°C
%RH
%RH
notes
1
2,3
4
2,3
notes :1. Ambient temperature condition (Ta = 25 2 °C )
2. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be Max 39°C, and no condensation of water.
3. Gravity mura can be guaranteed below 40°C condition.
4. The maximum operating temperatures is based on the test condition that the surface temperature
of display area is less than or equal to 68°C with LCD module alone in a temperature controlled chamber.
Thermal management should be considered in final product design to prevent the surface temperature of
display area from being over 68. The range of operating temperature may be degraded in case of
improper thermal management in final product design.
90%
60
60%
Wet Bulb
Temperature [°C]
50
40
30
20
10
0
40%
10%
Storage
Operation
Ver. 1.0
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [°C]
4 /40

5 Page





LC840EQD-SEM1 arduino
Product Specification
3-2-2. Backlight Module
Master
-LED Driver Connector
: 20022WR - H14B2(Yeonho) , 20022WR-H12B2(Yeonho)
- Mating Connector
: 20022HS-H14B2(Yeonho),20022HS-H12B2(Yeonho) or Compatible
LC840EQD
Table 5-1. LED DRIVER CONNECTOR PIN CONFIGURATION
Pin No
1
Symbol
VBL
Description
(CN_A1/CN_A2)
Power Supply +24.0V
Description
(CN_A2/CN_B2)
Power Supply +24.0V
Note
2 VBL Power Supply +24.0V
Power Supply +24.0V
3 VBL Power Supply +24.0V
Power Supply +24.0V
4 VBL Power Supply +24.0V
Power Supply +24.0V
5 VBL Power Supply +24.0V
Power Supply +24.0V
6
GND
Backlight Ground
Backlight Ground
7
GND
Backlight Ground
8
GND
Backlight Ground
Backlight Ground
Backlight Ground
1
9
GND
Backlight Ground
Backlight Ground
10
GND
Backlight Ground
11
Status
Backlight Status
12 VON/OFF Backlight ON/OFF control
13 NC Don’t care
Backlight Ground
Don’t care
Don’t care
2
14 EXTVBR_B External PWM
3
notes : 1. GND should be connected to the LCD module’s metal frame.
2. Normal : Low (under 0.7V) / Abnormal : Open
3. High : on duty / Low : off duty, Pin#14 can be opened. ( if Pin #14 is open , EXTVBR-B is 100% )
4. Each impedance of pin #12 and 14 is over 50 [K] .
Rear view of LCM
Board B
1 12 1 14
1 12
Status
CN_B2
Board A
CN_B1
1 12 1 14
1 14
CN_A2
Ver. 1.0
CN_A1
10 /40

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