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V420H1-L07 Schematic ( PDF Datasheet ) - Chi Mei

Teilenummer V420H1-L07
Beschreibung TFT LCD Module
Hersteller Chi Mei
Logo Chi Mei Logo 




Gesamt 38 Seiten
V420H1-L07 Datasheet, Funktion
www.DataSheet.co.kr
Issue Date: Dec.18.2006
Model No.:V420H1-L07
Approval
TFT LCD Approval Specification
MODEL NO.: V420H1 - L07
Customer:
Approved by:
Note:
Approved By
TV Head Division.
LY Chen
Reviewed By
QRA Dept.
Tomy Chen
Product Development Div.
WT Lin
LCD TV Marketing and Product Management Div.
Prepared By
Ken Wu
Menghui Lin
1
Datasheet pdf - http://www.DataSheet4U.net/






V420H1-L07 Datasheet, Funktion
www.DataSheet.co.kr
Issue Date: Dec.21.2006
Model No.:V420H1-L07
Approval
2. ABSOLUTE MAXIMUM RATINGS
2.1 ABSOLUTE RATINGS OF ENVIRONMENT
Item
Symbol
Value
Min. Max.
Storage Temperature
Operating Ambient Temperature
Shock (Non-Operating)
Vibration (Non-Operating)
TST
TOP
SNOP
VNOP
-20
0
-
-
+60
50
50
1.0
Note (1) Temperature and relative humidity range is shown in the figure below.
Unit Note
ºC (1)
ºC (1), (2)
G (3), (5)
G (4), (5)
(a) 90 %RH Max. (Ta 40 ºC).
(b) Wet-bulb temperature should be 39 ºC Max. (Ta > 40 ºC).
(c) No condensation.
Note (2) The maximum operating temperature is based on the test condition that the surface temperature of
display area is less than or equal to 65 ºC 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 65 ºC. The range of operating temperature may degrade in case of
improper thermal management in final product design.
Note (3) 11 ms, half sine wave, 1 time for ± X, ± Y, ± Z.
Note (4) 10 ~ 200 Hz, 10 min, 1 time each X, Y, Z.
Note (5) At testing Vibration and Shock, the fixture in holding the module has to be hard and rigid enough so that
the module would not be twisted or bent by the fixture.
6
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Datasheet pdf - http://www.DataSheet4U.net/

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V420H1-L07 pdf, datenblatt
www.DataSheet.co.kr
Issue Date: Dec.21.2006
Model No.:V420H1-L07
Approval
3.2.3 INVERTER INTERFACE CHARACTERISTICS
Parameter
Symbol
Test
Condition
Min.
Value
Typ.
Max.
Unit
Note
On/Off Control Voltage
ON
OFF
VBLON
2.0 5.0 V
0 0.8 V
Internal PWM Control MAX
Voltage
MIN
VIPWM
2.85 3.0 3.15
0
V maximum duty ratio
V minimum duty ratio
External PWM Control
Voltage
HI
LO
VEPWM
2.0 5.0 V duty on
0 0.8 V duty off
Status Signal
HI
LO
Status
3.0 3.3 3.6
0 0.8
V normal
V abnormal
VBL Rising Time
VBL Falling Time
Tr1
Tf1
30
30
50
50
ms
ms
See as below
Control Signal Rising Time
Tr
100 ms
Control Signal Falling Time
Tf
100 ms
PWM Signal Rising Time
PWM Signal Falling Time
Input impedance
PWM Delay Time
BLON Delay Time
BLON Off Time
TPWMR
TPWMF
RIN 1
TPWM 100
Ton 1
Toff 1
50 us
50 us
M
300 mS
ms
ms
Note (1) The Dimming signal should be valid before backlight turns on by BLON signal. It is inhibited to
change the internal/external PWM signal during backlight turn on period.
Note (2) The power sequence and control signal timing are shown in the following figure.
Note (3) The power sequence and control signal timing must follow the figure below. For a certain reason,
the inverter has a possibility to be damaged with wrong power sequence and control signal
timing.
12
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Datasheet pdf - http://www.DataSheet4U.net/

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