PDF LC420WU3-SLA1 Data sheet ( Hoja de datos )

Número de pieza	LC420WU3-SLA1
Descripción	WUXGA TFT LCD
Fabricantes	LG
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No Preview Available ! Product Specification SPECIFICATION FOR APPROVAL LC420WU3 Liquid Crystal Display ( ● ) Preliminary Specification ( ) Final Specification Title 42.0” WUXGA TFT LCD BUYER MODEL General SUPPLIER LG.Philips LCD Co., Ltd. MODEL LC420WU3 SUFFIX SLA1 (RoHS Verified) When you obtain standard approval, please use the above model name without suffix APPROVED BY / SIGNATURE DATE APPROVED BY SIGNATURE DATE J.H.Yoon / Senior.Manager REVIEWED BY / J. T. Kim / Manager PREPARED BY / / Engineer Please return 1 copy for your confirmation with your signature and comments. Ver. 0.1 Dec. 13, 2006 TV Product Development Dept. LG. Philips LCD Co., Ltd 1 /29 1 page Product Specification LC420WU3 Liquid Crystal Display 2. Absolute Maximum Ratings 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 LCM Backlight inverter VLCD VBL ON/OFF Control Voltage VON/OFF Brightness Control Voltage VBr Operating Temperature TOP Storage Temperature TST Operating Ambient Humidity HOP Storage Humidity HST Value Min Max -0.3 +14.0 +21.6 +27.0 -0.3 +5.25 0 +5.0 0 +40 -20 +50 10 90 10 90 Unit VDC VDC VDC VDC °C °C %RH %RH Remark at 25 ± 2 °C Note 1,2 Note : 1. Temperature and relative humidity range are shown in the figure below. Wet bulb temperature should be 39 °C Max. and no condensation of water. 2. Gravity mura can be guaranteed under 40°C condition. 90% 60 Wet Bulb Temperature [°C] 50 40 30 20 10 0 60% 40% 10% Storage Operation -20 0 10 20 30 40 50 60 70 80 Dry Bulb Temperature [°C] Ver. 0.1 Dec. 13, 2006 5 /29 5 Page Product Specification LC420WU3 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 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 6 GND Backlight Ground 7 GND Backlight Ground 8 GND Backlight Ground 9 GND Backlight Ground VBL GND GND GND GND VBL GND GND GND GND 1 10 GND Backlight Ground 11 VBR-A Analog dimming DC 0.0V ~ 3.3V 12 VON/OFF 0.0V ~ 5.0V 13 VBR-B Burst dimming 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, 3 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 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 =0V Maximum Brightness : VBR = 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. 0.1 1 <Master> Dec. 13, 2006 12 <Slave> 11 /29 11 Page

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