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PDF V420H1-LN4 Data sheet ( Hoja de datos )
| Número de pieza | V420H1-LN4 | |
| Descripción | TFT LCD Module | |
| Fabricantes | CMI MEI | |
| Logotipo |  |
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Global LCD Panel Exchange Center
www.panelook.com
Issue Date: Dec.2.2009
Model No.: V420H1-LN4
Approval
TFT LCD Approval Specification
MODEL NO.: V420H1 – LN4
Customer:
Approved by:
Note:
Approved By
TV Head Division.
Chao-Chun Chung
Reviewed By
QA Dept.
Hsin-Nan Chen
Product Development Div.
WT Lin
LCD TV Marketing and Product Management Div.
Prepared By
Cychang
Chris Chu
1
Version 2.0
One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
1 page  
Global LCD Panel Exchange Center
www.panelook.com
Issue Date: Dec.2.2009
Model No.: V420H1-LN4
Approval
1.5 MECHANICAL SPECIFICATIONS
Item
Module Size
Horizontal (H)
Vertical (V)
Depth (D)
Weight
Min.
982.0
575.0
47.9
Typ.
983.0
576.0
48.9
11900
Max.
984.0
577.0
49.9
Unit Note
mm
mm (1), (2)
mm
g-
Note (1) Please refer to the attached drawings for more information of front and back outline dimensions.
Note (2) Module Depth does not include connectors.
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Global LCD Panel Exchange Center
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Issue Date: Dec.2.2009
Model No.: V420H1-LN4
Approval
3.2 BACKLIGHT UNIT
3.2.1 CCFL (Cold Cathode Fluorescent Lamp) CHARACTERISTICS (Ta = 25 ± 2 ºC)
Parameter
Symbol
Min.
Value
Typ.
Max.
Unit
Note
Lamp Input Voltage
Lamp Current
Lamp Turn On Voltage
Operating Frequency
Lamp Life Time
VL
IL
VS
FL
LBL
-
7.5
-
-
35
50,000
1310
8
-
-
-
60,000
-
8.5
2230
2060
70
-
VRMS
mARMS
VRMS
VRMS
KHz
Hrs
(1)
Ta = 0 ºC (2)
Ta = 25 ºC (2)
(3)
(4)
Note (1) Lamp current is measured by utilizing AC current probe and its value is average by measuring master
and slave board.
Note (2) The lamp starting voltage VS should be applied to the lamp for more than 1 second after startup.
Otherwise the lamp may not be turned on.
Note (3) The lamp frequency may produce interference with horizontal synchronous frequency of the
display input signals, and it may result in line flow on the display. In order to avoid interference, the
lamp frequency should be detached from the horizontal synchronous frequency and its harmonics
as far as possible.
Note (4) The life time of a lamp is defined as when the brightness is larger than 50% of its original value and
the effective discharge length is longer than 80% of its original length (Effective discharge length is
defined as an area that has equal to or more than 70% brightness compared to the brightness at the
center point of lamp.) as the time in which it continues to operate under the condition at Ta = 25 ̈́2к
and IL = 7.5~ 8.5mArms.
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