Acer Aspire 1710 Series, Service Manual

Page: 38 / 118

Chapter 1 29
.
LCD
Item Specification
Vendor & model name QDI (Quanta Display Inc.)
QD17EL07
Mechanical Specifications
LCD display area (diagonal, inch) 17”
Active area 337.9mmX270.3mm
Display technology TFT
Resolution SXGA (1280X1024)
Support colors 262K
Optical Specification
Brightness control Keyboard hotkey
Contrast ratio 300(min.)/450(typ.)
Response time 16ms
Luminance of white (cd/m
2
)
220(typ.)/270(max.)
White Uniformity 1.25(typ.)/1.33(max.)
Contrast control None
Electrical Specification
Supply voltage for LCD display (V) 5 (typ.)
Supply voltage for LCD backlight (Vrms) 725 (typ.)
AC Adapter
Item Specification
Vendor & model name DELTA ADP-180W PFC
Input Requirements
Nominal voltage 100-240Vac input AC voltage
Maximum input current 2.5A Max. at 180W load and 100Vac input voltage.
Rated frequency (Hz) 50 or 60
Frequency variation range (Hz) 47-63
Input voltage range 90-264Vac
Inrush current limit (cold start) 100A max. at 115Vac and 200A max. at 240Vac
Efficiency 84% min. at normal (Min) input voltage, maximum load and measured at the
end of DC cable.
Output Ratings (CV mode)
DC output voltage 19V
Noise + Ripple 400mV
Load 0(min) 3.16A(max)
Output Ratings (CC mode)
DC output voltage range 18.05-19.95V when the load is 0A-9.5A
Dynamic Output Characteristics
Switch-on delay time 3 sec (at maximum load and nominal voltage input)
Hold up time 6ms within regulation requirement after loss nominal input voltage and
maximum load (180W)
Over Voltage Protection (OVP) 25V
Electrostatic discharge (ESD) 15KV (at air discharge)
8KV (at contact discharge)
Dielectric Withstand Voltage