Acer Aspire 3640 Service Guide

Chapter 13
System Block Diagram
Title
Size Document Number Rev
Date: Sheet
of
BLOCK DIAGRAMA3
146 Tuesday, February 14, 2006 
Title
Size Document Number Rev
Date: Sheetof
BLOCK DIAGRAMA3
146 Tuesday, February 14, 2006 
Title
Size Document Number Rev
Date: Sheetof
Acer Inc.9F, 88, Sec.1, Hsin Tai Wu Rd., Hsichih,
Taipei Hsien 221, Taiwan, R.O.C.
AAspire 3640/TM2440BLOCK DIAGRAMA3
146 Tuesday, February 14, 2006 
DMI I/F HOST BUS
PCI BUS
CLK GEN.
667MHz
100MHz
KBC
3
4, 5
6,7,8,9,10
15,16,17,18,19
33
MDC...

4Chapter 1
Board Layout
Top View
1 U39 LAN controller RTL8100CL 8 KB1 Keyboard FFC connector
2 U34 PCMCIA controller ENE CB1410 9 LED1 LED FFC connector
3 U29 Clock generator ICS951413 10 TPAD1 Touch pad FFC connector
4 U17 KBC ENE3910 11 WLBTN1 Wireless LAN launch button
5 MIC1 Microphone cable connector 12 BTBTN1 Bluetooth launch button
6 LCD1 LCD cable connector 13 SPKR1 Speaker cable connector
7 CVR1 LID switch 14 BT1 Bluetooth module cable connector 

Chapter 15
Bottom View
NOTE: This is engineering sample. The image above may not be exactly the same as the real main board you 
get.
1 U53 CPU socket 13 MINI1 Wireless LAN Card Slot
2 U51 North bridge ATI RC410ME 14 DM1 DIMM Slot1
3 U57 South bridge ATI SB460 15 DM2 DIMM Slot2
4 Audio Codec ALC883 16 HDD1 HDD connector
5 U49 BIOS ROM MX29LV800 17 LIN1 Line-in Jack
6 USB3 USB connector 18 MIC2 Headphones/Speakers/Line-Out Jack
7~8 USB1 USB connectors 19 LOUT1 Line-in Jack
9 CRT1 External VGA display 20...

6Chapter 1
Jumper Settings/Clear BIOS Password Procedures
1.Remove the DIMM cover and the lower DDR2 memory module, then find out the G70 position on the main 
board. Please just the lower DDR2 memory module, you will need the upper DDR2 memory module to 
boot up the system.
2.Use a tweezers or a screwdriver to short the G70 pad and remain the short status.
3.Power on the system until POST is completed. Then you can release the tweezers or screwdriver. The 
BIOS password should be cleared after these...

Chapter 17
Your Acer Notebook tour
After knowing your computer features, let us show you around your new TravelMate computer.
Aspire 3640 front View 

8Chapter 1
TravelMate 2440 front view
#IconItemDescription
1 Display screen Also called LCD (liquid-crystal display), 
displays computer output.
2 Status indicators Light-Emitting Diodes (LEDs) that light up 
to show the status of the computer’s 
functions and components.
3 Keyboard For entering data into your computer.
4 Touchpad Touch-sensitive pointing device which 
functions like a computer mouse.
5 Click buttons (left, 
center and right)The left and right buttons function like the 
left and right...

Chapter 19
Closed Front View
#IconItemDescription
1 Speakers Left and right speakers deliver stereo audio 
output.
2 USB 2.0 ports Connect to USB 2.0 devices (e.g., USB 
mouse, USB camera).
3
Bluetooth
® 
communication button/
indicatorPress to enable/disable Bluetooth function. 
Lights to indicate the status of Bluetooth-
communications.
4 Wireless 
communication button/
indicatorPress to enable/disable Wireless function. 
Lights to indicate the status of wireless 
LAN communications.
5 Line-in jack...

10Chapter 1
Left View
Right View
#IconItemDescription
1 Kensington lock slot Connects to a Kensington-compatible 
computer security lock.
2 Optical drive Internal optical drive; accepts CDs or 
DVDs.
3 Optical disk access 
indicatorLights up when the optical drive is active.
4 Optical drive eject 
buttonEjects the optical disk from the drive.
5 Emergency eject hole Ejects the optical drive tray when the 
computer is turned off.
#IconItemDescription
1 PC Card slot Accepts on Type II PC Card.
2 PC Card...

Chapter 111
Rear Panel
Bottom Panel
6 Ethernet (RJ-45) Connects to an Ethernet 10/100/1000-
based network.
#IconItemDescription
1 DC-in jack Connects to an AC adapter.
External display 
(VGA) portConnects to a display device(e.g., 
external monitor, LCD projector).
Battery Powers the computer
#ItemDescription
1 Battery lock Locks the battery in position.
2 Cooling fan Helps keep the computer cool.
Note: Do not cover or obstruct the opening 
of the fan. 

12Chapter 1
Indicators
The computer has four easy-to-read status indicators on the upper-right above the keyboard, and four on the 
front panel.
Aspire 3640:
TravelMate 2420:
The power, battery and wireless communication status indicators are visible even when the LCD display is 
closed.
3 Hard disk bay Houses the computer’s hard disk (secured 
with screws)
4 Memory compartment Houses the computer’s main memory.
5 Battery release latch Release the battery for removal.
6 Battery bay Houses the computer’s...