Acer Aspire 1620 Series Service Manual page 40

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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
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.
Hibernation Mode
Enter Hibernation Mode (suspend to HDD)
when
1.Hibernation hot-key is pressed and
system is ready to enter Hibernation mode
2.System Hibernation timer expires and
system is ready to enter Hibernation mode.
Display Standby Mode
Keyboard, built-in touchpad, and an external
PS/2 pointing device are idle for a specified
period.
Hard Disk Standby Mode
Hard disk is idle within a specified period of
time.
Chapter 1
Liton, 135W power supply
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
The buzzer beeps
The Sleep indicator lights up
All power shuts off
The display shuts off
Hard disk drive is in standby mode.
(spindle turned-off)
Specification
Phenomenon
31

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