Acer Travelmate 7720 Service Guide

Chapter 11
Features
Below is a brief summary of the computer’s many feature:
Platform and memory
Intel® Centrino® Duo mobile processor technology, featuring: (for selected models)
Intel® Core™2 Duo Mobile Processor T7300/T7500/T7700 (4 MB L2 cache, 2/2.2/2.4 GHz, 800 MHz 
FSB), or T7100 (2 MB L2 cache, 1.8 GHz, 800 MHz FSB), or higher, supporting Intel® 64 
architecture (for selected models)
Mobile Intel® PM965/GM965/GL960 Express Chipset (for selected models)
Intel® Wireless WiFi Link 4965AGN...

2Chapter 1
DVD/CD-RW combo drive
5-in-1 card reader supporting Secure Digital™ (SD), MultiMediaCard (MMC), Memory Stick® (MS), 
Memory Stick PRO™ (MS PRO), xD-Picture Card™ (xD) 
Input devices
105-/106-key keyboard with inverted T cursor layout, 2.5 mm (minimum) key travel
Seamless touchpad pointing device with Acer Bio-Protection fingerprint reader supporting Acer 
FingerNav 4-way control function (manufacturing option)
Seamless touchpad pointing device with 4-way scroll button (manufacturing...

Chapter 13
Microphone jack
Ethernet (RJ-45) port
Modem (RJ-11) port
DC-in jack for AC adaptor
Environment
Temperature:
Operating: 5 °C to 35 °C
Non-operating: -20 °C to 65 °C
Humidity (non-condensing):
Operating: 20% to 80%
Non-operating: 20% to 80%
SG_Tangiz.book  Page 3  Tuesday, July 10, 2007  11:01 AM 

4Chapter 1
System Block Diagram
Finger print
USB22
MINI USB
BlueTooth
13
CAMERA USB
4 Port
22
25/26
32
FIR
VGABoradTV Out
14
14
CRTLCD
15
34
DVI
44
PCI BUS
27 26Support
TypeII
PCMCIA
SLOT
CP2211F
MS/MS Pro/
xD/
MMC/SD
PWR SWPCMCIAI/F
27 27
1394
CONN
5in1
3128
OP AMP
14
DCBATOUT
WinbondWPC8768L
32
KBC
Touch
PadINT.
KB
SYSTEM DC/DC
33 33
DDR2
HOST BUS
X4 DMI
3
533/667 MHz
400MHz667/[email protected]
CLK GEN.
16,17,18,19 12,13
6,7,8,9,10,11 4, 5
2.0G : 71.MEROM.A0U
2.33G : 71.MEROM.B0UMobile CPU
ICH8M Crestline...

Chapter 15
Your Acer Notebook tour
After knowing your computer features, let us show you around your new TravelMate computer.
Front View
IconItemDescription
1 Acer CrystalEye 0.3 megapixel web camera for video 
communication.
2 Microphone Internal microphone for sound recording.
3 Display screen Also called Liquid-Crystal Display (LCD), 
displays computer output.
4 Easy-launch 
buttonsButtons for launching frequently used programs. 
5 Palmrest Comfortable support area for your hands when 
you use the...

6Chapter 1
Closed Front View
6 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 BioProtect 
fingerprint reader supporting Acer FingerNav 4-
way control function (manufacturing option) or a 
4-way scroll button (manufacturing option).
7 Status indicators Light-Emitting Diodes (LEDs) that light up to 
show the status of the computers functions and 
components. 
8 Touchpad Touch-sensitive pointing device...

Chapter 17
Left View
9 Wireless 
communication 
switchEnable/disable the wireless function. Indicates the 
status of wireless LAN communication 
(manufacturing option).
#IconItemDescription
1 Kensington lock slot Connects to a Kensington-compatible 
computer security lock.
2 Ethernet (RJ-45) 
portConnects to an Ethernet 10/100/1000-based 
network.
3 External display 
(VGA) portConnects to a display device (e.g., external 
monitor, LCD projector).
4 DVI-D DVI-D port Supports digital video connections.
5...

8Chapter 1
Right View
Rear Panel
IconItemDescription
1 Optical drive Internal optical drive; accepts CDs or DVDs
2 Optical disk 
access indicatorLights up when the optical drive is active.
3 Optical drive eject 
buttonEjects the optical disk from the drive.
4 Emergency eject 
holeEjects the optical drive tray when the computer is 
turned off.
#IconItemDescription
1 Three USB 2.0 
portsConnect to USB 2.0 devices (e.g., USB 
mouse, USB camera).
2 Modem (RJ-11) 
portConnects to a phone line.
3 DC-in jack...

Chapter 19
Bottom Panel
Indicators
The computer has several easy-to-read status indicators:
IconItemDescription
1 Second Hard disk 
bayHouses the computer’s optional second hard 
disk. (Secured with a screw).
2Memory 
compartmentHouses the computers main memory.
3 Battery lock Locks the battery in position.
4 Battery release 
latchReleases the battery to remove the battery pack.
5 Battery bay Houses the computers battery pack.
6 Ventilation slots Enable the computer to stay cool, even after 
prolonged...

10Chapter 1
The front panel indicators are visible even when the computer cover is closed.
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
There are several conveniently located easy-launch buttons. They are: mail Web browser, Empowering Key 
“ “and one user-programmable button.
Press “  “to run the Acer Empowering Technology. The mail and Web browser buttons are pre-set to email 
and Internet programs,...