Acer Aspire 4520 User manual

Aspire 4520/4220/4520G/4220G Series
Service Guide
PRINTED IN TAIWAN
Service guide files and updates are available
on the ACER/CSD web; for more information,
please refer to http://csd.acer.com.tw

II
Revision History
Please refer to the table below for the updates made on Aspire 4520/4220/4520G/4220Go service guide.
Date Chapter Updates

III
Copyright
Copyright © 2007 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in
any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without
the prior written permission of Acer Incorporated.
Disclaimer
The information in this guide is subject to change without notice.
Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the
contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular
purpose. Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the
programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its
dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential
damages resulting from any defect in the software.
Acer is a registered trademark of Acer Corporation.
Intel is a registered trademark of Intel Corporation.
Pentium and Pentium II/III are trademarks of Intel Corporation.
Other brand and product names are trademarks and/or registered trademarks of their respective holders.

IV
Conventions
The following conventions are used in this manual:
SCREEN MESSAGES Denotes actual messages that appear
on screen.
NOTE Gives bits and pieces of additional
information related to the current
topic.
WARNING Alerts you to any damage that might
result from doing or not doing specific
actions.
CAUTION Gives precautionary measures to
avoid possible hardware or software
problems.
IMPORTANT Reminds you to do specific actions
relevant to the accomplishment of
procedures.

V
Preface
Before using this information and the product it supports, please read the following general information.
1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION
decided for Acer's "global" product offering. To better fit local market requirements and enhance product
competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g.
add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered
in this generic service guide. In such cases, please contact your regional offices or the responsible
personnel/channel to provide you with further technical details.
2. Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information
available on your regional web or channel. If, for whatever reason, a part number change is made, it will
not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer
office may have a DIFFERENT part number code to those given in the FRU list of this printed Service
Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and
service of customer machines.

VI

Chapter 1 1
Features
Below is a brief summary of the computer’s many features:
Operating system
TGenuine Windows®VistaTM Capable
TGenuine Windows®VistaTM Home Basic / Home Premium / Ultimate / Business Edition
TGenuine Windows®XP Home / Professional Edition (Service Pack 2)
TGenuine Windows®XP Media Center / Tablet Edition
TGenuine Windows®2000 (Service Pack 4)
NOTE: Windows®VistaTM Capable PCs come with Windows®XP installed, and can be upgraded to
Windows®VistaTM. For more information on Windows®VistaTM and how to upgrade, go to:
Microsoft.com/windowsvista.
Platform and memory
TAMD®Socket S1g1 mobile technology, featuring:
tAMD CPU S1g1 1.6GHz ~ 2.3GHz processor (Turion 64 Dual-Core / Sempron Single-Core) Rev. G and F;
HT 1.6~2.0 GT/s
TIntegrated Intel®PRO/Wireless 3945ABGN network connection (dual-band tri-mode 802.11a/b/g/
n) Wi-Fi CERTIFIEDTM solution, supporting Acer SignalUpTM wireless technology
TCore logic: nVidia®MCP67MV (north bridge+ south bridge). Supports DirectX-9 shader model 3.0
graphics features, a dedicated video processor,LVDS, an HDTV encoder and a rich feature set
including a PCI Express interface, native Gigabit Ethernet MAC, Serial ATA and ATA-133 support,
high-definition audio, USB2.0, PCI, real-time power management processor, and other standard
peripheral functions.
TUp to 2GB of JEDEC 200-pin DDR2 533/677 MHz memory, upgradeable to 4GB using two
soDIMM modules (dual-channel support)
Display and graphics
T14.1” WXGA & WXGAG TFT LCD, up to and including 1920 x 1440 pixel resolution
T16 ms typical of/off and 8 ms average gray-to-gray response time
TSimultaneous multi-window viewing via Acer VistaTM supported
TDual independent display
TIntegrated GeForce 7 Series Shader model 3.0 DirectX 9 graphics processor featuring a shader
model 3.0 vertex processor, shader model 3.0 pixel processor, NVIDIA®CineFXTM 3.0
architecture, and NVIDIA®IntellisampleTM AA technology
TNVIDIA®PureVideoTM H.264 video processor
TPowerMizer SX (System eXtensions) reduces system power usage
TIntegrated 300 MHz DAC for external desktop displays
TIntegrated TMDS interface with HDCP (High-Definition Content Protection) key support and
optional protected audio stream muxing for HDMI support
TIntegrated dual channel LVDS interface for up to 1920 × 1200 LCD displays
TIntegrated high definition TV encoder with YPrPb component video support
System Specifications
Chapter 1

2Chapter 1
TMPEG-2/DVD hardware-assisted capability
TS-video/TV-out (NTSC/PAL) support
TAcer ArcadeTM featuring Acer CinemaVisionTM and Acer ClearVision technologies
Audio
TIntel®High Definition audio support
TTwo built-in stereo speakers (2W)
TRealtek ALC268 Audio Code with Dolby®
TSound Blaster ProTM and MS Sound compatible
TBuilt-in microphone
TVoIP-enabled
Storage subsystem
TOne 60/80/100/120/160 GB Serial ATA hard disk drive, supporting Ultra DMA100 S.M.A.R.T /
Hybrid HDD
TOptical drive options: DVD/CDRW Combo, HD-DVD, DVD-Super Multi double-layer drive, Blue-
ray drive (slot-load), Mini-disc support
T5-in-1 card reader, supporting Secure Digital (SD), MultiMediaCard (MMC), Memory Stick®(MS),
Memory Stick PROTM (MS PRO), xD-Picture CardTM (xD)
Input devices
T88/89-key keyboard with 101/102 key emulation
TTouchpad with 4-way scroll button
TSix Media keys
Communication
TAcer Video Conference, featuring Voice and Video over Internet Protocol (VVoIP) support via Acer
OrbiCamTM and optional Acer Bluetooth®VoIP phone
TAcer OrbiCamTM 0.3 megapixel CMOS camera, featuring:
t30 degree ergonomic rotation
tAcer VisageOnTM technology
tAcer PrimaLiteTM technology
TModem: 56K V.92 modem with PTT approval; wake-on-ring ready support by S3
TLAN: gigabit Ethernet; wake-on-LAN ready
TWPAN: Bluetooth®2.0+EDR (Enhanced Data Rate)
TIntegrated Kedron-n 3945abg network connection (dual-band tri-mode 802.11a/b/g/n) Wi-Fi
CERTIFIEDTM solution, supporting Acer SignalUpTM wireless technology
Mini Cards
TOne mini card slot for a wireless LAN 802.11bg / 802.11 abg module
I/O Ports
TExpress Card slot (34 pin)
T5-in-1 card reader (SD/MMC/MS/MS PRO/xD)
TFour USB 2.0 ports
TTwo mini card slots
TIEEE 1394 port
TFast infrared (FIR) port

Chapter 1 3
TExternal display (VGA) port
TS-video/TV-out (NTSC/PAL) port
THeadphones/speaker/line-out port with S/PDIF support
TMicrophone-in jack
TLine-in jack
TEthernet (RJ-45) port
TModem (RJ-11) port
TDC-in jack for AC adaptor

4Chapter 1
Environment
TTemperature:
tOperating: 5ºC to 35ºC
tNon-operating: -20ºC to 65ºC
THumidity (non-condensing):
tOperating: 20%~80%
tNon-operating: 20%~80%

Chapter 1 5
System Block Diagram
CRT
Azalia
PCI Bus
ODD (PATA)
3
3
MDC 1.5
TFT LCD Panel
3
X'TAL
32.768K
1394 +Cardreader
Controller
TV-OUT
3
3
3
Speaker
3
PATA
Mini Card /
WLAN
IEEE 1394 Port
X'TAL
32.768KHZ
Audio Amplifier
PCI-Express
533/667 MHz
CPU Fan
3
USB Port x 4
LVDS
3
EC (WPC8769LDG)
VGA
LPC
MONO SYSTEM BLOCK DIAGRAM
DDRII
SO-DIMM 0
SO-DIMM 1
Phone Jack
3
AMD S1g1
uFCPGA638
Line in
USB 2.0
Dual Channel DDR2
3
3
HDD (SATA)
3
Thermal Sensor
3
Azalia AudioController
RealTek ALC268
SPI ROM
MIC Jack
WXGA
Media Card Reader
Touch Pad
X'TAL24.576MHZ
3
CCD
3
LAN PHY
Realtek RTL8211B
X'TAL
25M
3
Bluetooth
USB
3
Connector
Int MIC
SATA0
n-Vidia
MCP67
HT LINK
CPU
Keyboard
+2.5V/ +1.25VM/ +1.25V/ +1.5V
SMDDR_VREF/ SMDDR_VTERM
3
VGA-Core (MAX 1993)
+1.2V
3
BATTERY SELECT
3
BATTERYCHARGER
(ISL6251)
3
VCORE(ISL6262A)
3
5V/3.3V (TPS51120)
3
DISCHARGE
3
+1.8V
LCI
PCIE-6
MXM
3
3
Turion 64 Dual-Core/
Sempron Single-Core
3
PCI-Express 16X
TV-out
New Card
3
3
3
3
33
33
CRT
TV-out
LVDS
3
3
Ricoh R5C833
INT or EV
selector Resistor
3
3
Transformer
3
RJ45/11

6Chapter 1
Board Layout
Top View
1 LED3 HDD LED 12 CN13 Card Bus Socket
2 LED4 Num Lock LED 13 U12 Winbond Keyboard Controller
3 LED5 Caps Lock LED 14 LED6 Power LED
4 CN3 15 LED7 Battery LED
5 CN4 LCD Connector 16 SW4 Left Click Button Switch
6 U7 17 SW5 Left Scroll Button Switch
7 CN5 Speaker Connector 18 SW3 Up Scroll Button Switch
8 CN10 19 SW6 Right Scroll Button Switch
9 CN7 Keyboard Connector 20 SW8 Down Scroll Button Switch
10 CN8 Touchpad Connector 21 SW7 Right Click Button Switch
11 CN9 Bluetooth Connector 22 CN17 Audio Board Connector
1
12
23
4
23
4
5
7
89
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5
7
8910
10
14
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21
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22
22
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Chapter 1 7
Bottom View
1 CN18 VGA Jack 12 CN26
2 13 CN27 USB Connecto
3 CN19 Battery Connector 14 CN24
4 CN20 S-Video Connector 15 CN28 USB Connecto
5 CN23 Wireless LAN Card Connector 16 CN29 Optical Disk Drive Connector
6 CN22 IEEE 1394 Connector 17 CN30 SATA HDD Connector
7 U20 North Bridge 18 U26 Audio Codec
8 U21 CPU Socket 19 CN32 5-in-1 Card Reader
9 J3 DIMM Socket 20 U29 Infrared Sensor
10 J4 DIMM Socket 21 CN33
11 CN25 Ethernet Controller
1
1
23
4
23
4
5
7
89
6
5
7
8910
10
14
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12
12
13
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6

8Chapter 1
Your Acer Notebook tour
After knowing your computer features, let us show you around your new Aspire computer.
Front View
#Icon Item Description
1 Built-in camera 0.3 megapixel web camera for video
communication.
2 Status indicators Light-Emitting Diodes (LEDs) that light up
to show the status of the computer’s
functions and components.
3 Speaker Left and right speakers deliver stereo audio
output.

Chapter 1 9
Closed Front View
4 Wireless communication
button/indicator
Enables/disables the wireless function.
Indicates the status of wireless LAN
communication.
5 Keyboard For entering data into your computer.
6 Touchpad Touch-sensitive pointing device which
functions like a computer mouse.
7 4-way scroll button To scroll up, down, left, and right.
8 Click buttons (left and
right)
The left and right buttons function like the
left and right mouse buttons.
9 Microphone Internal microphone for sound recording.
10 Display screen Also called Liquid-Crystal Display (LCD),
displays computer output.
11 WWW/E-mail/User-
programmable buttons
Buttons to launch your internet browser, e-
mail reader, or a specified application.
12 Power button Turns the computer on and off.
13 Empowering button Launches the Empowering Technology
toolbar.
14 Bluetooth®
communication button/
indicator
Enables/disables the Bluetooth®function.
Indicates the status of Bluetooth
communication.
15 Palmrest Comfortable support area for your hands
when you use the computer.
#Icon Item Description
1 Power indicator Indicates the computer’s power status.
2 Battery indicator Indicates the computer’s battery status.
3 Infrared port Interfaces with infrared devices (e.g,
infrared printer and IR-aware computer).
4 Line-in jack Accepts audio line-in devices (e.g., audio
CD player, stereo walkman).
5 Microphone-in jack Accepts input from external microphones.
"Easy-launch buttons" on page 18
# Icon Item Description
# Item Description

10 Chapter 1
Left View
6 Headphones/speaker/
line-out jack with S/PDIF
support
Connects to audio line-out devices (e.g.,
speakers, headphones).
7 Volume control Increases and decreases the volume.
#Icon Item Description
1 External display (VGA)
port
Connects to a display device (e.g., external
monitor, LCD projector).
2 S-video/TV-out (NTSC/
PAL) port
Connects to a television or display device
with S-video input.
3 4-pin IEEE 1394 port Connects to IEEE 1394 devices.
4 Ethernet (RJ-45) Connects to an Ethernet 10/100/1000-
based network (for selected models).
5 Modem (RJ-11) port Connects to a phone line.
6 2 USB 2.0 ports Connect to USB 2.0 devices (e.g., USB
mouse, USB camera).
7 PC Card slot Accepts one Type II PC Card.
8 5-in-1 card reader Accepts Secure Digital (SD),
MultiMediaCard (MMC), Memory Stick
(MS), Memory Stick PRO (MS PRO), xD-
Picture Card (xD).
"Easy-launch buttons" on page 18
# Icon Item Description
# Item Description
# Icon Item Description
Note:

Chapter 1 11
Right View
Rear view
#Icon Item Description
1 Optical drive Internal optical drive; accepts CDs or DVDs
(slot-load or tray-load depending on
model).
2 Optical disk access
indicator
Lights up when the optical drive is active.
3 Optical drive eject
button
Ejects the optical disk from the drive.
4 Emergency eject hole Ejects the optical drive tray when the
computer is turned off.
5 2 USB 2.0 ports Connect to USB 2.0 devices (e.g., USB
mouse, USB camera).
6 DC-in jack Connects to an AC adapter.
7 Kensington lock slot Connects to a Kensington-compatible
computer security lock.
#Icon Item Description
1 Ventilation slot Enable the computer to stay cool, even
after prolonged use.

12 Chapter 1
Base view
Indicators
The computer has several easy-to-read status indicators.
The front panel indicators are visible even when the computer cover is closed up.
#Item Description
1 Battery bay Houses the computer’s battery pack.
2 Battery lock Locks the battery in position.
3 Battery release latch Releases the battery for removal.
4 Ventilation slots and
cooling fan
Enable the computer to stay cool, even after prolonged use.
Note: Do not cover or obstruct the opening of the fan.
5 Memory compartment Houses the computer’s main memory.
6 Hard disk bay Houses the computer’s hard disk (secured with screws)

Chapter 1 13
NOTE: 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows
green when in AC mode.
Easy-Launch Buttons
To the right of the keyboard there are three easy-launch buttons: Web browser, mail, and one user-
programmable button. You can also find an Empowering Key “ located above the keyboard.
Icon Function Description
HDD Indicates when the hard disc or optical drive is active.
Num lock Lights when Num Lock is activated.
Cap lock Lights when Cap Lock is activated
Power Lights up when the computer is on.
Battery Lights up when the battery is being charged.
Bluetooth Indicates the status of Bluetooth communication.
Wireless LAN Indicates the status of wireless LAN communication.
Icon Function Description

14 Chapter 1
Press “ “ to run the Acer Empowering Technology. The mail and Web browser buttons are pre-set to email
and Internet programs, but can be reset by users. To set the Web browser, mail and programmable buttons,
run the Acer Launch Manager.
Touchpad Basics
The following teaches you how to use the touchpad:
TMove your finger across the touchpad (2) to move the cursor.
TPress the left (1) and right (4) buttons located beneath the touchpad to perform selection and
execution functions. These two buttons are similar to the left and right buttons on a mouse.
Tapping on the touchpad is the same as clicking the left button.
TUse the fingerprinter (3) to enroll the computer with registered fingerprint. This recognition device
helps prevent unauthorized access by others.
Launch key Default application
Acer Empowering Technology (user-programmable)
Web browser Internet browser (user-programmable)
Mail Email application (user-programmable)
P User-programmable