Acer KB.A2707.015 Datasheet Page 33
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Chapter 1 27
Frequency variation range (Hz) 47-63
Input voltage range (Vrms) 90V AC-264V AC
Inrush current The maximum inrush current will be less than 50A and 100A when the adapter
is connected to 115Vac and 230Vac respectively.
Efficiency It should provide an efficiency of 83% minimum, when measured at maximum
load under 115Vac.
Output Ratings (CV mode)
DC output voltage 19V
Noise + Ripple 300mVp-pmax (20 MHz bandwidth)
Load 0(min) 3.16A(max)
Output Ratings (CC mode)
DC output voltage 19V +/-1.0V for CV mode
Constant current mode 3.6 +/- 0.3A
Dynamic Output Characteristics
Turn-on delay time 3 sec (@ 115Vac)
Hold up time 5ms (@115Vac, Full load)
Over Voltage Protection (OVP) 24V
Short circuit protection 3.9A max can be protected and output can be shorted without damage
Electrostatic discharge (ESD) 15KV (at air discharge)
8KV (at contact discharge)
Dielectric Withstand Voltage
Primary to secondary 3000Vac
Leakage current 0.25 mA max. (@ 254Vac, 60Hz)
Regulatory Requirements Safety Requirements:
1.The subject product rated 100-120V 60Hz must be listed under UL 1950 and
certified with SCA Standard C22.2 No.950.
2.The subject product rated 200-240V 50Hz must comply with low voltage
directive 73/23EEC.
EMI Requirements:
1.The subject product rated 100-120V 60Hz must meet the EMI requirements
of FCC part 15, Subpart B for Class B Digital Device and get FCC Certification
before marketing into USA and Canada.
2.The subject product rated 200-240V 50Hz must meet the EMC Directive 89/
336/EEC.
3.The subject product rated 100-120V must meet the VCCI-2 EMI
requirements.
Power Management
ACPI Mode Power Management
Mech. Off (G3) All devices in the system are turned off completely.
Soft Off (G2/S5) OS initiated shutdown. All devices int he sytem are turned off
completely.
Working (G0/S0) Individual devices such as the CPU and hard disk may be power
managed in this state.
AC Adapter
Item Specification
- Aspire 1640 Series 1
- Revision History 2
- Copyright 3
- Disclaimer 3
- Conventions 4
- System Introduction 7
- Input devices 8
- I/O interface 8
- CELERON-M/PENTIUM-M 9
- Board Layout 10
- Bottom View 11
- 6 Aspire 1640 12
- Front view 13
- # Item Description 14
- Right view 15
- Rear view 15
- Bottom view 16
- Indicators 17
- Icon Function Description 17
- P User-programmable 18
- Windows keys 20
- Hot Keys 20
- Special keys 21
- The Euro symbol 22
- The US dollar sign 22
- Touchpad 23
- 18 Aspire 1640 24
- Chapter 1 19 25
- System Board Major Chip 25
- Processor 25
- Second Level Cache 25
- 22 Aspire 1640 28
- Combo Drive Interface 28
- Hard Disk Drive Interface 28
- Chapter 1 23 29
- DVD-RW Interface 29
- 26 Aspire 1640 32
- AC Adapter 32
- Battery 32
- Chapter 1 27 33
- Power Management 33
- 28 Aspire 1640 34
- Environmental Requirements 34
- Mechanical Specification 34
- Chapter 1 29 35
- System Utilities 36
- Navigating the BIOS Utility 37
- Information 38
- Security 41
- Setting a Password 42
- Removing a Password 43
- Changing a Password 43
- BIOS Flash Utility 47
- Chapter 2 44 48
- 45 Chapter 2 49
- Chapter 3 50
- General Information 51
- Chapter 3 48 52
- 49 Chapter 3 53
- Screw List 53
- Removing the Battery Pack 54
- Removing the HDD Module 55
- Removing the ODD Module 57
- Removing the LCD Module 57
- Disassembling the Main Unit 59
- Disassembling the LCD Module 63
- Chapter 3 60 64
- Disassembling the HDD Module 65
- Troubleshooting 66
- System Check Procedures 67
- Memory check 68
- Power System Check 68
- Check the Power Adapter 69
- Check the Battery Pack 70
- Index of Error Messages 72
- 73 Chapter 4 73
- Error Message List 73
- Chapter 4 74 74
- Phoenix BIOS Beep Codes 75
- Chapter 4 76 76
- 77 Chapter 4 77
- Chapter 4 78 78
- 79 Chapter 4 79
- LCD-Related Symptoms 79
- Indicator-Related Symptoms 79
- Power-Related Symptoms 79
- Intermittent Problems 82
- Undetermined Problems 83
- Chapter 6 84
- Aspire 1640 Exploded Diagram 85
- Chapter 6 90 86
- Aspire 1640 FRU List 86
- 91 Chapter 6 87
- Chapter 6 92 88
- 93 Chapter 6 89
- Chapter 6 94 90
- 95 Chapter 6 91
- Chapter 6 96 92
- 97 Chapter 6 93
- Chapter 6 98 94
- 99 Chapter 6 95
- Chapter 6 100 96
- 101 Chapter 6 97
- Chapter 6 102 98
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