Acer AL716 AL716 Monitor Service Guide - Page 29

5.3 Inverter (DC to AC Section) 5.4 Electrical characteristics 5.4.1 FOR AU PANEL M170EN05 MIN. TYP. MAX. COMMENT INPUT VOLTAGE INPUT CURRENT 11.4V -------- 12.0V 2A 12.6V -------- 12V±5% Vin=12V, Vbrite=3.3V Normal BACKLIGHT VOLTAGE -------- 700V rms. -------- LAMP CURRENT 3mA rms. 7mA rms 7.5mA rms DRIVING FREQUENCY EFFICIENCY 40KHz -------- 50KHZ 75% 80KHz -------- Vin = 12V,max brightness Vin ON/OFF sequence OLP TIME 0.5S 1S -------_ Open lamp protection time BRIGHTNESS RANGE Brightness control Brightness 30% 0.4V _ -------_ 260cd/m2 100% 3.3V _ 3.3V, brightness max. Strike voltage at 0°C 1700 Vrms _ _ Operating life time 30,000 hrs _ _ (note) PWM dimming frequency Note: 160Hz 180Hz 200Hz Life time (hr) can be defined as the time in which it continues to operate under the condition: Ta=25±2°C, IL =7 mArms 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. 29