Service manual

26
Backlight Unit
Ta = 25
Note 1 :The specified current is input LED chip 100% duty current.
Note 2 : The value showed in the table is one light bar’s operation voltage.
Note 3 : Definition of life time : brightness becomes 50% of its original value. The minimum life time of LED unit is on
the condition of IRLED = 60mA and 25±2
(Room temperature).
Note 4: Each LED light bar consists of 40 pcs LED package ( 4 strings x 10 pcs / string ).
4.3.4 Optical Characteristics
[VDD = 5.0V, Frame rate = 60Hz, Clock = 78MHz, IBL = 7.5mA, Ta =25±2 ]