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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. INPUT VOLTAGE INPUT CURRENT BACKLIGHT VOLTAGE LAMP CURRENT DRIVING FREQUENCY EFFICIENCY Operating Life Time 11.4V -------684Vrms 3mA rms. 40KHz -------40,000 TYP. 12V 1A 760V rms. 6mA rms. 55KHz 75% ------MAX. 13.8V 1.2A -------7mArms 80KHz --------------Vin = 12V Hours (note) Vin=12V MAX. BRIGHTNESS COMMENT
Note: Life time(Hr) can be defined as the time in which it continues to operate under the condition: Ta=25±3°C, IL=6.0mA B-2 For AU panel
MIN. INPUT VOLTAGE INPUT CURRENT BACKLIGHT VOLTAGE LAMP CURRENT DRIVING FREQUENCY EFFICIENCY Operating Life Time 3mA rms. 40KHz -------30,000 11.4V -------TYP. 12V 1A 630V rms. 6.5mA rms. 55KHz 75% ------MAX. 13.8V 1.2A 690Vrms 8mArms 60KHz --------------Vin = 12V Hours (note) Vin=12V MAX. BRIGHTNESS COMMENT
Note: Life time(Hr) can be defined as the time in which it continues to operate under the condition: Ta=25±3°C, IL=8.0mA
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