Acer Extensa 7620, Service Manual

Page: 48 / 180

38 Chapter 1
Typical White Luminance (cd/m
2
)
also called Brightness
200 200
Luminance Uniformity 1.25 max. 1.4
Contrast Ratio 400 typical 400
Response Time (Optical Rise
Time/Fall Time) msec 4/12 16
Nominal Input Voltage VDD +3.3V 3.3V
Typical Power Consumption (watt) 6.0 max. (without inverter) Total 5.6 Watt (Typ.) @ LCM
circuit 1.4Watt (Typ.), Backlight
4.2 Watt (Typ.)
Weight 525 g. typical 560 g.(Typ.) 575 g.(Max)
Physical Size (mm) 344.0 x 222.0 x 6.1 344.0 x 222.0 x 6.5
Electrical Interface 1 channel LVDS 1 channel LVDS
Support Color 262,144 262,144
Viewing Angle (degree)
Horizontal: Right/Left
Vertical: Upper/Lower
45/45
15/35
45/45
15/35
Temperature Range( C)
Operating
Storage (shipping)
0 to +50
-20 to +60
0 to +50
-20 to +60
LCD Inverter
Item Specification
Vendor & model name Darfon/V189-301GP
Brightness conditions N/A
Input voltage (V) 9~21
Input current (mA) 2.56 (max)
Output voltage (V, rms) 780V (2000V for kick off)
Output current (mA, rms) 6.5 (max)
Output voltage frequency (k Hz) 65K Hz (max)
AC Adaptor
Item Specification
Input rating 90V AC to 264V AC, 47Hz to 63Hz
Maximum input AC current 1.7A
Inrush current 220A@115VAC
220A@230VAC
Efficiency 82% min. @115VAC input full load
System Power Management
ACPI mode Power Management
Mech. Off (G3) All devices in the system are turned off completely.
LCD 17” inch
Item Specification
°
SG_Tangiz.book Page 38 Tuesday, July 10, 2007 11:01 AM