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PDF LC420WX5-SLB1 Data sheet ( Hoja de datos )
| Número de pieza | LC420WX5-SLB1 | |
| Descripción | WXGA TFT LCD | |
| Fabricantes | LG | |
| Logotipo |  |
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Product Specification
SPECIFICATION
FOR
APPROVAL
LC420WX5
Liquid Crystal Display
www.DataSheet4U.com
( ) Preliminary Specification
( ● ) Final Specification
Title
BUYER
MODEL
42.0” WXGA TFT LCD
SUPPLIER
LG.Philips LCD Co., Ltd.
*MODEL
LC420WX5
SUFFIX
SLB1 (RoHS Verified)
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
/
SIGNATURE
DATE
APPROVED BY
SIGNATURE
DATE
Y.S. Park / Senior Manager
REVIEWED BY
/ M.G. Lee / Manager
/
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 0.0
PREPARED BY
D.H. Lee / Engineer
TV Products Development Dept.
LG. Philips LCD Co., Ltd
1 / 29
1 page  
Product Specification
LC420WX5
Liquid Crystal Display
2. Absolute Maximum Ratings
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The following items are maximum values which, if exceeded, may cause faulty operation or damage to the
LCD module.
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Power Input
Voltage
LCD circuit
Inverter
Inverter Control
Voltage
ON/OFF
Brightness
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VLCD
VBL
VOFF/VON
VBR_B
TOP
TST
HOP
HST
Value
Min Max
-0.3 +14.0
21.6 +27.0
-0.3 +5.25
0.0 +5.0
0 +50
-20 +50
10 90
10 90
Unit
VDC
VDC
VDC
VDC
°C
°C
%RH
%RH
Note. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39 °C Max, and no condensation of water.
Remark
at 25 ± 2 °C
Note 1
Ver. 0.0
5 / 29
5 Page 
Product Specification
LC420WX5
Liquid Crystal Display
3-2-2. Backlight Inverter
Master
-Inverter Connector : S14B-PH-SMC
(manufactured by JST) or Equivalent
- Mating Connector : PHR-14 or Equivalent
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Slave
-Inverter Connector : S12B-PH-SMC
(manufactured by JST) or Equivalent
-Mating Connector : PHR-12 or Equivalent
Table 7. INVERTER CONNECTOR PIN CONFIGULATION
Pin No
Symbol
Description
Master
Slave
Note
1 VBL Power Supply +24.0V
VBL VBL
2 VBL Power Supply +24.0V
VBL VBL
3 VBL Power Supply +24.0V
VBL VBL
4 VBL Power Supply +24.0V
VBL VBL
5 VBL Power Supply +24.0V
VBL VBL
6
GND
Backlight Ground
GND
GND
7
GND
Backlight Ground
GND
GND
8
GND
Backlight Ground
GND
GND
1
9
GND
Backlight Ground
GND
GND
10
GND
Backlight Ground
11
VBR-A
Analog dimming
DC 0.0V ~ 3.3V (Typ.: 1.65V)
12
VON/OFF
0.0V ~ 5.0V
Burst dimming
13 VBR-B
DC 0.0V ~ 3.3V
14
Status
Normal : Upper 3.0V
Abnormal : Under 0.7V
GND
VBR-A
On/Off
VBR-B
Status
GND
Don’t care
Don’t care
-
2
Open/High for B/L
on as default
3
-4
Note : 1. GND should be connected to the LCD module’s metal frame.
2. If Pin #11 is open, VBR-A = 1.65V (Typ. luminance)
When apply over 1.65V( ~ 3.3V), its luminance is increasing however lamp’s life time is decreasing.
It could be usable for boost up luminance when using DCR (=Dynamic contrast ratio) function only.
3. Minimum Brightness : VBR-B =0V Maximum Brightness : VBR-B = 3.3V
4. Even though Pin #14 is open, there is no effect on inverter operating, The output terminal of inverter
◆ Rear view of LCM
PCB
PCB
14 1
Ver. 0.0
1
<Master>
12
<Slave>
11 / 29
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| PDF Descargar | [ Datasheet LC420WX5-SLB1.PDF ] | |
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