Acer TravelMate 7720 TravelMate 7720 / 7320 and Extensa 7620 Service Guide - Page 48

LCD 17" inch Item Typical White Luminance (cd/m2) also called Brightness Luminance Uniformity Contrast Ratio Response Time (Optical Rise Time/Fall Time) msec Nominal Input Voltage VDD Typical Power Consumption (watt) Weight Physical Size (mm) Electrical Interface Support Color Viewing Angle (degree) Horizontal: Right/Left Vertical: Upper/Lower Temperature Range( ° C) Operating Storage (shipping) Specification 200 200 1.25 max. 400 typical 4/12 +3.3V 6.0 max. (without inverter) 525 g. typical 344.0 x 222.0 x 6.1 1 channel LVDS 262,144 45/45 15/35 0 to +50 -20 to +60 1.4 400 16 3.3V Total 5.6 Watt (Typ.) @ LCM circuit 1.4Watt (Typ.), Backlight 4.2 Watt (Typ.) 560 g.(Typ.) 575 g.(Max) 344.0 x 222.0 x 6.5 1 channel LVDS 262,144 45/45 15/35 0 to +50 -20 to +60 LCD Inverter Item Vendor & model name Brightness conditions Input voltage (V) Input current (mA) Output voltage (V, rms) Output current (mA, rms) Output voltage frequency (k Hz) Specification Darfon/V189-301GP N/A 9~21 2.56 (max) 780V (2000V for kick off) 6.5 (max) 65K Hz (max) AC Adaptor Item Input rating Maximum input AC current Inrush current Efficiency Specification 90V AC to 264V AC, 47Hz to 63Hz 1.7A 220A@115VAC 220A@230VAC 82% min. @115VAC input full load System Power Management ACPI mode Mech. Off (G3) Power Management All devices in the system are turned off completely. 38 Chapter 1