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PDF V470H1-LH4 Data sheet ( Hoja de datos )
| Número de pieza | V470H1-LH4 | |
| Descripción | TFT LCD Module | |
| Fabricantes | CHI MEI | |
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Issue Date:JUL.14.2008
Model No.: V470H1-LH4
Preliminary
TFT LCD Preliminary Specification
MODEL NO.: V470H1 – LH4
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 HT Hung
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Issue Date:JUL.14.2008
Model No.: V470H1-LH4
Preliminary
2. ABSOLUTE MAXIMUM RATINGS
2.1 ABSOLUTE RATINGS OF ENVIRONMENT
Item
Storage Temperature
Operating Ambient Temperature
Shock (Non-Operating)
Vibration (Non-Operating)
Symbol
TST
TOP
SNOP
X, Y axis
Z axis
VNOP
Value
Min. Max.
-20 +60
0 +50
- 50
- 35
- 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 (3), (5)
G (4), (5)
(a) 90 %RH Max. (Ta Љ 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 your 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 your product design.
Note (3) 11 ms, half sine wave, 1 time for ± X, ± Y, and ± 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. The module would not be twisted or bent by the
fixture.
Relative Humidity (%RH)
100
90
80
60
Operating Range
40
20
10 Storage Range
-40 -20
0 20 40 60 80
Temperature (ºC)
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Issue Date:JUL.14.2008
Model No.: V470H1-LH4
Preliminary
changed as PWM duty on and off. The transient response of power supply should be considered
for the changing loading when inverter dimming.
Note (6) The measurement of Max. value is based on 47” backlight unit under 24V input voltage and 8.8mA
lamp in average after lighting for 30 minutes.
3.2.3 INVERTER INTERTFACE CHARACTERISTICS
Parameter
Symbol
Test
Condition
Min.
Value
Typ. Max.
Unit
Note
On/Off Control Voltage
ON
OFF
VBLON
Ё
Ё
2.0 Ё 5.0 V
0 Ё 0.8 V
Status Signal
HI
States
LO
Ё
Ё
3.0 3.3 3.6
0 0.8
V Inverter Normal
V Inverter Abnormal
Internal PWM Control
Voltage
MAX
MIN
VIPWM
Ё
2.85 3.0 3.15
Ё0Ё
V maximum duty ratio
V minimum duty ratio
External PWM Control
Voltage
HI
LO
VEPWM
Ё
2.0 Ё 5.0 V duty on
0 Ё 0.8 V duty off
VBL Rising Time
Tr1 Ё 30 Ё 50 ms
VBL Falling Time
Tf1 Ё 30 Ё 50 ms
Control Signal Rising Time
Tr
Ё Ё Ё 100 ms
Control Signal Falling Time
Tf
Ё Ё Ё 100 ms
PWM Signal Rising Time
PWM Signal Falling Time
Input impedance
TPWMR
TPWMF
RIN
Ё
Ё
Ё
Ё Ё 50 us
Ё Ё 50 us
1 Ё Ё MӨ
PWM Delay Time
TPWM Ё 100
300 mS
BLON Delay Time
BLON Off Time
Ton Ё 300 Ё 500 mS
TOFF Ё 300 Ё 500 mS
Note(1) The power sequence and control signal timing are shown in the following figure.
Note (2) 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.
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