Akai LCT42Z6TM, Service Manual

Page: 47 / 78

Product Specification
6 / 30
LC420WU1
Liquid Crystal Display
Ver. 1.0 July. 22, 2005
It requires two power inputs. One is employed to power for the LCD circuit. The other Is used for the CCFL
backlight and inverter circuit.
Table 2. ELECTRICAL CHARACTERISTICS
Note : 1. The specified current and power consumption are under the V
LCD
=12.0V, 25
±
2
°
C, f
V
=60Hz
condition whereas mosaic pattern(8 x 6) is displayed and f
V
is the frame frequency.
2. The current is specified at the maximum current pattern.
3. The duration of rush current is about 2ms and rising time of power input is 1ms (min.).
Value
Parameter Symbol
Min Typ Max
Circuit :
Power Input Voltage V
LCD
11.4 12.0 12.6 V
DC
- 610 793 mA 1
Power Consumption P
LCD
- 7.3 9.5 Watt 1
Rush current I
RUSH
- - 3.0 A 3
Power Input Current I
LCD
- 820 1066 mA 2
Unit Note
Mosaic Pattern(8 x 6)
White : 255Gray
Black : 0Gray
3. Electrical Specifications
3-1. Electrical Characteristics