Hitachi CML176SXW, Service Manual

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5.3 Inverter (DC to AC Section)
5.4 Electrical characteristics
5.4.1 FOR HYDIX PANEL (
HT17E13-100-110
)
MIN. TYP. MAX. COMMENT
INPUT VOLTAGE 11.4V 13.0V 16.25V 13V+25% / -10%
INPUT CURRENT -------- 2A --------
Vin=13V,
Vbrite=3.3V
Normal BACKLIGHT
VOLTAGE
-------- 700V rms. --------
LAMP CURRENT
(every lamp)
3mA rms. 6.5mA rms 7mA rms Each CCFL
DRIVING
FREQUENCY
40KHz 50KHZ 60KHz
EFFICIENCY -------- 75% --------
Vin = 13V, max
brightness
Vin ON/OFF
sequence
-------- 0.5S --------
OLP TIME -------- 1S _
Open lamp
protection time
BRIGHTNESS
RANGE
30% -------- 100%
Brightness control 0.4V _ 3.3V
3.3V, brightness
max.
Brightness _ 300cd/m
2
_
Strike voltage at 0°C 1310Vrms _ _
Operating life time 40,000 hrs 50,000 _ (note)
Note:
Life time (hr) can be defined as the time in which it continues to operate under the condition:
Ta=25±2°C, IL =6.5mArms until one of the following event occurs:
1. When the brightness becomes 50%
2. When the startup voltage (Vs) at 0°C becomes higher than the maximal value of Vs specified above.
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