Acer Travelmate 8431 Service Guide

Chapter 13
‰Microphone-in jack
‰Ethernet (RJ-45) port
‰DC-in jack for AC adapter
Environment
‰Temperature:
zoperating: 5°C to 35°C
zNon-operating: -20°C to 65°C
‰Humidity (non-condensing):
zoperating: 20% to 80%
zNon-operating: 20% to 80%
NOTE: * only for certain models.
NOTE: The specifications listed above are for reference only. The exact configuration of your PC depends on 
the model purchased. 

4Chapter 1
System Block Diagram
TSSOP 64P
ALCOR
AU6433B52
CR
Board
HP-OUT/MIC-IN
LINE-IN/SPDIF
Analog Out (ALC269X)
RJ45 AC JACK
19V
RTL8111CA P.33
PCI-Express x1 2.5GHz-----Port 3
P.35
SSD HDD
SATA 150
P.33USB2
P.33
USB4
P.32Flash
ROM
Port
3GUSB3
USB6
P.33USB8WLAN
USB9
BlueTooth
USB11
PCI-Express x1 2.5GHz-----Port 2
USB5
Finger Printer
P.33
USB7P.33Camera
 FP
BoardEASY
Port
CPUPalmrest
22mmx22mm
PLL
RTM675T-606-VD-GRT
P.24
266MHz+/-
100MHz+/-
48MHz
33MHz
14MHz
27MHz/96MHz+/-
x2 (CPU, NB)
x7
x2 (ICH,...

Chapter 15
Board Layout
Top View
TravelMate 8471/8431 M/B layout and connector location
TOP view
No.NameDescription
1 CN1 CCD cable CNTR
2 CN2 MMB cable CNTR
3 CN3 LVDS cable CNTR
4 CN4 Keyboard CNTR
5 CN5 Touch Pad FFC CNTR
6 CN6 SSD cable CNTR
7 CN7 Card reader CNTR
8 CN8 BT cable CNTR
9 CN15 Fan cable CNTR
10 CN21 Audio board CNTR 

6Chapter 1
Bottom View
Bottom view
No.NameDescription
11 CN9 Battery CNTR
12 CN10 PCI-E socket
13 CN11 SIM card socket
14 CN12 PCI-E socket
15 CN13 Power cable CNTR
16 CN14 LVDS cable CNTR
17 CN16 DIMM socket
18 CN17 DIMM socket
19 CN19 HDD socket
20 CN20 USB board CNTR
21 U18 South Bridge
22 U14 North Bridge 

Chapter 17
Your Acer Notebook tour
After setting up your computer as illustrated in the Just for Starters... poster, let us show you around your new 
Acer notebook.
Top View
No.IconItemDescription
1 Acer Crystal Eye 
webcamWeb camera for video communication.
2 Microphone Internal microphone for sound recording.
3 Display screen Also called Liquid-Crystal Display (LCD), displays 
computer output (Configuration may vary by models).
4 Speakers Left and right speakers deliver stereo audio output.
5 Keyboard...

8Chapter 1
7 Click buttons (left, 
center* and right)The left and right buttons function like the left and right 
mouse buttons. *The center button serves as Acer 
Bio-Protection fingerprint reader supporting Acer 
FingerNav 4-way control function (only for certain 
models).
8 Palmrest Comfortable support area for your hands when you 
use the computer.
9 Touchpad toggle Turns the internal touchpad on and off.
10 Eject Button  Presses to eject the optical disk from the drive.
Optical disk access...

Chapter 19
Closed Front View
Rear view
No.IconItemDescription
1 Battery Indicates the computers battery status.
1. Charging: The light shows amber when the battery 
is charging.
2. Fully charged: The light shows blue when in AC 
mode.
2Multi-in-1
card readerAccepts Secure Digital (SD), MultiMediaCard (MMC), 
Memory Stick (MS), Memory Stick PRO (MS PRO), 
xD-Picture Card (xD).
NOTE: Push to remove/install the card. Only one card 
can operate at any given time.
No.IconItemDescription
1 Battery bay Houses...

10Chapter 1
Left View
Right View
No.IconItemDescription
1 Ethernet (RJ-45) port Connects to an Ethernet 10/100/1000- based 
network.
2 Ventilation slots Enable the computer to stay cool, even after 
prolonged use.
3 Acer EasyPort IV 
connectorConnects to Acer EasyPort IV.
4 External display 
(VGA) portConnects to a display device (e.g., external monitor, 
LCD projector).
5 USB 2.0 ports Connect to USB 2.0 devices (e.g., USB mouse, USB 
camera).
6 Microphone-in jack Accepts inputs from external...

Chapter 111
Base view
5 Kensington lock slot Connects to a Kensington-compatible computer 
security lock.
NOTE: Wrap the computer security lock cable around 
an immovable object such as a table or handle of a 
locked drawer. Insert the lock into the notch and turn 
the key to secure the lock. Some keyless models are 
also available.
No.IconItemDescription
1 Battery bay Houses the computers battery pack.
2 Battery lock Locks the battery in position.
3 Memory 
compartmentHouses the computers main memory.
4...

12Chapter 1
Touchpad Basics (with fingerprint reader)
The following items show you how to use the touchpad with Acer Bio-Protection fingerprint reader.
‰Move your finger across the touchpad (1) to move the cursor.
‰Press the left (2) 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.
‰Use Acer Bio-Protection fingerprint...