Acer AL511, Manual

Page: 15 / 24

15
7. POWER BOARD
A. Description
There are three kind of circuits in this power board-AC/AC, inverter and audio
B. Electrical characteristics
B-1 FOR HANNSTAR PANEL
MIN. TYP. MAX. COMMENT
INPUT VOLTAGE 11.4V 12V 13.8V
INPUT CURRENT -------- 1A 1.2A
Vin=12V MAX.
BRIGHTNESS
BACKLIGHT VOLTAGE 684Vrms 760V rms. --------
LAMP CURRENT 3mA rms. 6mA rms. 7mArms
DRIVING FREQUENCY 40KHz 55KHz 80KHz
EFFICIENCY -------- 75% -------- Vin = 12V
Operating Life Time 40,000 ------- -------- Hours (note)
Note:
Life time(Hr) can be defined as the time in which it continues to operate under the
condition:
Ta=25
±
3
°
C, I
L
=6.0mA
B-2 For AU panel
MIN. TYP. MAX. COMMENT
INPUT VOLTAGE 11.4V 12V 13.8V
INPUT CURRENT -------- 1A 1.2A
Vin=12V MAX.
BRIGHTNESS
BACKLIGHT VOLTAGE 630V rms. 690Vrms
LAMP CURRENT 3mA rms. 6.5mA rms. 8mArms
DRIVING FREQUENCY 40KHz 55KHz 60KHz
EFFICIENCY -------- 75% -------- Vin = 12V
Operating Life Time 30,000 ------- -------- Hours (note)
Note:
Life time(Hr) can be defined as the time in which it continues to operate under the
condition:
Ta=25
±
3
°
C, I
L
=8.0mA