Acer TravelMate 2500 TravelMate 2000/2500 Service Guide - Page 39

LCD Item Viewing Angle (degree) Horizontal: Right/Left Vertial: Upper/Lower Temperature Range( ° C) Operating Storage (shipping) 40/40 20/40 0 to +50 -20 to +60 40/40 10/30 0 to +50 -20 to +60 45/45 15/35 0 to +50 -20 to +60 AC Adapter Item Vendor & model name Input Voltage Low Range High Range Input current Nominal frequency (Hz) Frequency variation range (Hz) Efficiency Output Requirements DC output voltage Noise + Ripple Peak Load Dynamic Output Characteristics Turn-on delay time Hold up time Over Voltage Protection (OVP) Short circuit protection Electrostatic discharge (ESD) Dielectric Withstand Voltage Primary to secondary Ground leakage current Liton, 135W power supply Specification 90(min.)/137(max.)/100-127(nominal) 180(min.)/265(max.)200-240(nominal) 2.2A(max) 50-60 47-63 It should provide an efficiency of 85% minimum, when measured at maximum load under 115Vac. 19V 380mV as output voltage is 19V 18.5V-19.71V 5 sec (@ 115Vac) 5ms (@115Vac, Full load) 29V 9.5A @19V output voltage 15KV (at air discharge) 8KV (at contact discharge) 2150VDC for 1 sec. less than 250uA Power Management Power Saving Mode Standby Mode Enter Standby Mode when 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. Phenomenon T The buzzer beeps T The Sleep indicator lights up Chapter 1 31