Acer 2500 manual Power Management, Standby Mode

LCD

Item
Viewing Angle (degree)
Horizontal: Right/Left		40/40	40/40	45/45
Vertial: Upper/Lower		20/40	10/30	15/35
Temperature Range( ° C)		0 to +50	0 to +50	0 to +50
Operating
		-20 to +60	-20 to +60	-20 to +60
Storage (shipping)
AC Adapter
Item			Specification
Vendor & model name	Liton, 135W power supply
Input Voltage
Low Range	90(min.)/137(max.)/100-127(nominal)
High Range	180(min.)/265(max.)200-240(nominal)
Input current	2.2A(max)
Nominal frequency (Hz)	50-60
Frequency variation range (Hz)	47-63
Efficiency	It should provide an efficiency of 85% minimum, when measured at maximum
	load under 115Vac.
Output Requirements
DC output voltage	19V
Noise + Ripple	380mV as output voltage is 19V
Peak Load	18.5V-19.71V
Dynamic Output Characteristics
Turn-on delay time	5 sec (@ 115Vac)
Hold up time	5ms (@115Vac, Full load)
Over Voltage Protection (OVP)	29V
Short circuit protection	9.5A @19V output voltage
Electrostatic discharge (ESD)	15KV (at air discharge)
	8KV (at contact discharge)
Dielectric Withstand Voltage
Primary to secondary	2150VDC for 1 sec.
Ground leakage current	less than 250uA
Power Management
Power Saving Mode			Phenomenon
Standby Mode		The buzzer beeps
Enter Standby Mode when		The Sleep indicator lights up

1.Standby/Hibernation hot-key is pressed and system is not ready to enter Hibernation mode.

2.System standby/ Hibernation timer expires and system is not ready to enter Hibernation mode.

Chapter 1 31