Acer Aspire 1520 Service Guide

2Chapter 1
TFour Universal Serial Bus (USB) 2.0 ports
TOne IEEE 1394 port
TIEEE 802.11b/g Wireless LAN (manufacturing option)
TBluetooth® (manufacturing option)
Expansion
TOne Type III or two Type II CardBus PC Card slots
TUpgradeable hard disk and memory modules
Human-centric design
TRugged, yet extremely portable, construction
TStylish appearance
TFull-size keyboard with four programmable launch keys
TComfortable palm rest area with well-positioned touchpad
I/O Ports
TTwo Type II or one Type III PC...

Chapter 13
System Block Diagram
A
B
C
D
E
4
4
3
3
2
2
EGRET Block Diagram
FWHSST-49LF040 SVIDEO/COMP
RGB CRTLVDSCRT TVOUT
LCD
ATA 133
AGP 8X 
LPC Bus / 33MHz 6-CH
AC97 2.2
LPC I/F
HyperTransport
6.4GB/S 16b/8b
Claw Hammer K8AMD CPU
DDR x2200-PIN DDR SODIMM
KBC
M38859
Touch 
PadInt. 
KB
VIAVT8235CEACPI 2.0
PCI6xUSB 2.0VIA
AGTL+ CPU I/F + UMA
CLK GENICS950405
8 bit V-LINK
66MHZ
8x/4x/2x
802.11a/b/g Mini-PCI
PCI Bus / 33MHz
PCB Layer Stackup
OUTPUTSDCBATOUT
INPUTSSYSTEM DC/DC AD+
BAT+MAX1645BEEI...

4Chapter 1
Board Layout
To p  V i e w
1 Line-in Port  15 CPU Socket 
2 Line-out Port  16 North Bridge 
3 RJ45+RJ11 17 Fan Connector 
4 LCD  Inverter Cable Connector 18 Note: There is no 18 on this main board. 
5 USB Port  19 Touchpad Cable Connector 
6 USB Port  20 HDD Connector 
7 USB Port  21 Keyboard Connector 
8 USB Port  22 Speaker Cable Connector 
9 VGA Port  23 Optical Drive Connector 
10 S-Video Port  24 South Bridge 
11 LCD Coaxial Cable Connector  25 RTC Battery Connector 
12 Parallel Port  26...

Chapter 15
Bottom View
1 Wireless LAN Card Connector  5 FIR Port 
2 Modem Board Connector  6 DIMM Socket 1 
3 Modem Cable Connector  7 DIMM Socket 2 
4 IEEE 1394 Port  8 DC Charger Board Connector  

6Chapter 1
Panel
Ports allow you to connect peripheral devices to your computer as you would with a desktop PC.
Front View
#ItemDescription
1 Display screen Liquid-Crystal Display (LCD) provides visual output.
2 Status indicators LEDs (Light Emitting Diodes) that turn on and off to show 
the status of the computer and its functions and 
components.
3 Power button Turns the computer on and off.
4 Launch Keys Buttons for launching frequently used programs. 
5 Palmrest Comfortable support area for your...

Chapter 17
Left view
#IconItem/ PortDescription
1 PC Card slots Supports two Type II or one Type III CardBus PC 
Card(s).
2 Eject button Eject PC cards from the card slots.
3 Optical drive Internal optical drive; accepts CDs or DVDs 
depending on the optical drive type.
4 IEEE 1394 port Connects to IEEE 1394 devices.
5 Infrared port Interfaces with infrared devices (e.g., infrared 
printer, IR-aware computer).
6 LED indicator Lights up when the optical drive is active.
7 Eject button Ejects the optical...

8Chapter 1
Right View
#Item/ PortDescription
1 Speaker Delivers stereo audio output.
2 Ventilation slots Enable the computer to stay cool, even after 
prolonged use.
3 Security keylock Connects to a Kensington-compatible 
computer security lock. 

Chapter 19
Re a r  P a n e l
l
#IconPortDescription
1 Power Jack Connects to an AC adapter 
2 Parallel port Connects to a parallel device (e.g., parallel 
printer)
3 Ventilation slots Enable the computer to stay cool, even 
after prolonged use.
4 S-video port Connects to a television or display device 
with S-video input.
5 External display port Connects to a display device (e.g., external 
monitor, LCD projector).
6 Four USB 2.0 ports Connects to any Universal Serial Bus 
devices(e.g., USB mouse, USB...

10Chapter 1
Bottom View
#ItemDescription
1 Battery bay Houses the computer’s battery pack.
2 Battery release latch Unlatches the battery to remove the battery pack.
3 Memory compartment Houses the computer’s main memory. 

Chapter 111
Indicators
The computer provides an array of seven indicators located below the display screen, showing the status of 
the computer and its components.
The Power and Sleep status icons are visible even when you close the display cover so you can see the status 
of the computer while the cover is closed.
#IconFunctionDescription
InviLink Indicates status of wireless or Bluetooth 
(optional) communications.
Orange--WLAN; Blue--Bluetooth
1 Power Lights when the computer is on.
2 Sleep Lights...