Acer 4020 manual Output Ratings CV mode, Output Ratings CC mode, Dynamic Output Characteristics

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AC Adapter

Item

 

Specification

 

 

 

Frequency variation range

47 - 63

 

(Hz)

 

 

 

 

 

Nominal voltages (Vrms)

90 - 264

 

 

 

Inrush current

The maximum inrush current will be less than 50A and 100A when

 

the adapter is connected to 100Vac(60Hz) and 240Vac(50Hz)

 

respectively.

 

 

 

Efficiency

High efficiency 85% minimum, at 100~240Vac AC input, full load,

 

warm-up condition.

 

 

 

Output Ratings (CV mode)

 

 

 

 

DC output voltage

Offers constant voltage 19.0V output source with 150W max output

 

power capacity.

 

 

Noise + Ripple

300mvp-pmax (20MHz bandwidth) for resistor load

 

 

 

Output current

0 A (min.)

3.5A (max.)

 

 

 

Output Ratings (CC mode)

 

 

 

 

 

DC output voltage

18.0 ~ 20.0

 

 

 

 

Constant output

7.9A

 

 

 

 

Dynamic Output Characteristics

 

 

 

Start-up time

3 sec. (@115 Vac and 230Vac full load)

 

 

Hold up time

5ms min. (@115 Vac input, full load)

 

 

 

Over Voltage Protection

25V

 

(OVP)

 

 

 

 

Short circuit protection

Output can be shorted without damage, and auto recovery

 

 

Electrostatic discharge

15kV (at air discharge)

(ESD)

8kV (at contact discharge)

 

 

 

Dielectric Withstand Voltage

 

 

 

 

Primary to secondary

4242 Vdc for 1 second-

 

 

Leakage current

60uA at 240Vac/60Hz

 

 

Regulatory Requirements

1. FCC class B requirements (USA)

 

2. VDE class B requirements (German)

 

3. VCCI classII requirements (Japan)

 

 

 

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 in the system are turned off

 

completely.

 

 

 

Working (G0/S0)

Individual devices such as the CPU and hard disk may be power

 

managed in this state.

 

 

Sleeping State (S3)

CPU Power Down

 

VGA Power Down

 

PCMCIA Suspend

 

Audio Power Down

 

Hard Disk Power Down

 

Super I/O Power Down

 

 

Sleeping State (S4)

Also called Hibernate state. System saves all system states and data

 

onto the disk prior to power off the whole system.

 

 

 

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Chapter 1

Image 34
Contents Acer TravelMate 4020 Series Revision History Copyright DisclaimerConventions Screen MessagesPreface Page Features ChapterStorage Battery Mainboard Placement Top ViewRear View Description Block Diagram 5V / 3.3VOpen View Outlook ViewDescription Front Panel Icon DescriptionLeft View Right View Power jack Connects to an AC adapter External display port Bottom View Indicators Easy-launch buttons Touchpad Touchpad BasicsLock Key Description Using the KeyboardLock keys and embedded numeric keypad Desired action Num Lock on Num Lock offHot Keys Key DescriptionSpecial Keys Hot Key Function DescriptionEuro symbol US dollar signUsing System Utilities Acer eManagerLaunch Manager System Board Major Chips Hardware Specifications and ConfigurationsProcessor Specification L2 CacheModem/Bluetooth Interface Specification System Memory SpecificationLAN Interface Specification USB Port SpecificationPcmcia Port Specification Keyboard SpecificationLCD 15.4 Wxga Specification Battery SpecificationPackage configuration Mechanical SpecificationsAC Adapter Specification SpecificationsMechanical Specification Input RequirementsDynamic Output Characteristics Output Ratings CV modeOutput Ratings CC mode Power Management Acpi ModeEnvironmental Requirements Dimensions and Weight DetailsLogical Configuration Data Storage PhysicalToshiba Ambient Temperature Nominal Power RequirementsPhysical & Environmental Specs Dimensions/Weight Reliability Characteristics Error RatesPreventive Maintenance Bios Setup Utility System UtilitiesInformation Parameter DescriptionUuid Advanced Security Boot Exit MainF12 Boot Menu Security Boot Exit AdvancedSecurity Parameter Description OptionCharacters 0-9,A-Z not case sensitive Set Supervisor/User PasswordDisabled EnterSetup Notice Changes have been saved Continue Boot ExitInfo Main Advanced Security Boot ExitChapter Machine Disassembly and Replacement General Information Before You BeginChapter Disassembly Procedure Flowchart Screw List DescriptionRemoving the Battery Pack Removing the Memory and the Wireless LAN Card Removing the HDD ModuleRemoving the Thermal Module and CPU Removing the ODD Module Removing the LCD Module Disassembling the Main Unit Disassembling the Upper Case Assembly Disassembling the Lower Case Assembly Chapter Disassembling the LCD Module Chapter Disassembling the External Modules Disassembling the Optical Drive ModuleChapter Troubleshooting External CD-ROM Drive Check System Check ProceduresExternal Diskette Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory checkTouchpad Check Power-on Self-Test Error Messages Error Code List Index of Error MessagesError Message List CPU ID No beep Error Messages FRU/Action in Sequence Phoenix Bios Beep Codes Code Beeps Post Routine DescriptionCode Beeps Post Routine Description Chapter Code Beeps Post Routine Description Indicator-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Power-Related SymptomsSpeaker-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Power Management-Related SymptomsKeyboard/Touchpad-Related Symptoms Peripheral-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems DimmChapter Jumper and Connector Locations Top ViewRear View VGA RAM RTC Jumper FRU Field Replaceable Unit List Exploded Diagram Illustration Part Name Description Acer P/N Touch PAD Board ZL1A Touch PAD Lower Case W ZL3A Base Assy W/O DVD/CDRW Combo ZI6 Combo SBW-242C DVD Dual Drive ZL6 DVD Rwdual ZL1A K/B EUGO-U/I LCD Cable 15 ZL1A 15 LCD Cabel LCD Module 15 ZL1 15 LCD SXGA+ LCD Module 15.4 ZL1A 15.4 LCD Wxga Samsung LTN154X3 Samsung Panel UMA W/PCMCIA Slot CPU Memory Memory DDR333 Name Plate ZL3A Name Plate S Screw M2.5*4L-BZN ET2S Screw 100 Chapter