Acer Travelmate 4720 Service Guide

							Chapter 11
Features
Below is a brief summary of the computer’s many feature:
Platform 
TIntel® Core™2 Duo Mobile Processor T7300/T7500/T7700 (4 MB L2 cache, 2/2.2/2.4 GHz, 800 MHz 
FSB) and T7100 (2 MB L2 cache, 1.8 GHz, 800 MHz FSB) supporting Intel 64 architecture
TMobile Intel GM965 Express chipset
TIntel Wireless WiFi Link 4965AGN (dual-band quad-mode 802.11a/b/g/Draft-N) network connection, 
supporting Acer SignalUp™ with InviLink™ Nplify™ wireless technology
TIntel PRO/Wireless 3945ABG (dual-band tri-mode 802.11a/b/g) Wi-Fi CERTIFIED® network connection, 
supporting Acer SignalUp™ wireless technology
t
Display and Graphics
T14.1 WXGA TFT LCD, 1280 x 800 pixel resolution, supporting simultaneous multi-window viewing via 
Acer GridVista™
TMobile Intel GM965 Express chipset with integrated 3D graphics, featuring Intel Graphic Media 
Accelerator (GMA) X3000 with up to 256 MB of Intel Dynamic Video Memory Technology 4.0 (8MB of 
dedicated system memory, up to 256MB of shared system memory), supporting Microsoft
® DirectX® 9 
and DirectX 10
TDual independent display support
T16.7 million colors
TMPEG-2/DVD hardware-assisted capability
TS-video/TV-out (NTSC/PAL) support
Storage Subsystem
T80/120/160 GB or larger hard disk drive with Acer DASP (Disk Anti-Shock Protection) enhancement
TOptical drive options:
tDVD-Super Multi double-layer drive
tDVD/CD-RW combo drive
T5-in-1 card reader supporting Secure Digital (SD), MultiMediaCard (MMC), Memory Stick® (MS), 
Memory Stick PRO™ (MS PRO), xD-Picture Card™ (xD) 
Input Devices
T88-/89-key Acer FineTouch™ keyboard with 5-degree curve, inverted T cursor layout; 2.5mm 
(minimum) key travel
TSeamless touchpad pointing device with 4-way scroll button (for selected models)
TSeamless touchpad pointing device with Acer BioProtect fingerprint reader supporting Acer FingerNav 
4-way control function (for selected models)
T12 function keys, four cursor keys, two Windows® keys, hotkey controls, embedded numeric keypad, 
international language support, independent Euro and US dollar sign keys
System Specification
Chapter  1 
						

							2Chapter 1
TEasy-launch buttons: Acer Empowering Key, Internet, email, user-progammable
TProductivity keys: Lock, Presentation, Sync
TFront-access communication switches: WLAN and  Bluetooth®
Audio
TTwo built-in Acer 3DSonic stereo speakers
TIntel® High Definition Audio support
TBuilt-in microphone
TMS-Sound compatible
Communication
TAcer Video Conference featuring:
tIntegrated Acer CrystalEye webcam supporting enhanced Acer PrimaLite™ technology
tOptional Acer Bluetooth® VoIP phone
TWLAN: Intel Wireless WiFi Link 4965AGN (dual-band quad-mode 802.11a/b/g/Draft-N) network 
connection, supporting Acer SignalUp™ with InviLink™ Nplify™ wireless technology, or Intel PRO/
Wireless 3945ABG (dual-band tri-mode 802.11a/b/g) Wi-Fi CERTIFIED® network connection, 
supporting Acer SignalUp™ wireless technology
TWPAN: Bluetooth® 2.0+EDR (Enhanced Data Rate)
TLAN: Gigabit Ethernet; Wake-on-LAN ready
TModem: 56K ITU V.92 with PTT approval; Wake-on-Ring ready
I/O Interface
TPC Card slot (one Type II)
T5-in-1 card reader (MS/MS PRO/MMC/SD/xD)
TFour USB 2.0 ports
TIEEE 1394 port
TFast Infrared (FIR) port
TExternal display (VGA) port
TS-video/TV-out (NTSC/PAL) port
THeadphones/speaker/line-out jack
TLine-in jack
TMicrophone jack
TEthernet (RJ-45) port
TModem (RJ-11) port
TDC-in jack for AC adaptor
Power Subsystem
TACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes
T44 W 4000 mAh Li-ion battery pack (6-cell) 
T3-pin 65 W AC adaptor 
						

							Chapter 13
Dimensions and weight
TWidth: 331 mm (13.03 in.)
TDepth: 248 mm (9.76 in.)
THeight: 29.7/41.08 mm (1.17/1.62 in.)
TWeight (with 6-cell battery pack): 2.4 kg (5.29 lbs.)
Environment
TTemperature:
tOperating: 5 C to 35 C
tNon-operating: -20 C to 65 C
THumidity (non-condensing):
toperating: 20%~80%
tNon-operating: 20%~80%°°
°° 
						

							4Chapter 1
Your Acer Notebook Tour
After knowing your computer features, let us show you around your new TravelMate computer.
Front View
#ItemDescription
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 Status indicators Light-Emitting Diodes (LEDs) that light up to show the status of the 
computers functions and components.
5 Keyboard For entering data into your computer.
6 Palmrest Comfortable support area for your hands when you use the computer.
7 Touchpad Touch-sensitive pointing device which functions like a computer mouse.
8 Click buttons 
(left, center and right)The left and right buttons function like the left and right mouse buttons.
Note: The center button serves as a 4-way scroll button (for selected 
models) or Acer BioProtect fingerprint reader supporting Acer FingerNav 
4-way control function. (for selected models)
9 Status indicators Light-Emitting Diodes (LEDs) that light up to show the status of the 
computers functions and components.
10 Easy-launch buttons Buttons for launching frequently used programs. 
11 Power button Turns the computer on and off.
12 Productivity keys Three productivity keys give users one-touch access to protection and 
manageability features for a more secure, smarter and easier way to 
work.
13 Empowering key Launch Acer Empowering Technology 
						

							Chapter 15
Closed Front View
#IconItemDescription
1 Speakers Left and right speakers deliver stereo audio output.
2 IEEE 1394 port (6-pin) Connects to IEEE 1394 devices.
3 Infrared port Interfaces with infrared devices (e.g., infrared printer and IR-
aware computer).
4 USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse, USB 
camera).
5 Line-in jack Accepts audio line-in devices (e.g., audio CD player, stereo 
walkman, mp3 player)
6 Microphone jack Accepts inputs from external microphones.
7 Headphones/speaker/
line-out jackConnects to audio line-out devices 
(e.g., speakers, headphones).
8 Bluetooth communication 
switchEnable/disable the Bluetooth function. (manufacturing 
option).
9 Wireless communication 
switchEnable/disable the wireless function. (manufacturing option).
10 Latch Locks and releases the lid. 
						

							6Chapter 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 button Ejects the optical disk from the drive.
5 Emergency eject hole Ejects the optical drive tray when the computer is turned off.
6 USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse, USB 
camera).
7 5-in-1 card reader Accepts Secure Digital (SD), MultiMediaCard (MMC), 
Memory Stick (MS), Memory Stick Pro (MS PRO), and 
xD-Picture Card.
Note: Only one card can operate at any given time.
#IconItemDescription
1 PC Card slot eject button Ejects the PC Card from the slot.
2 PC Card slot Accepts one Type II PC Card.
3 Two USB 2.0 ports Connect to USB 2.0 devices (e.g., USB mouse, USB 
camera).
4 S-Video/TV-out (NTSC/
PA L )  p o r tConnects to a television or display device with S-video input.
5 Ethernet (RJ-45) port Connects to an Ethernet 10/100/1000-based network.
6 External display (VGA) 
portConnects to a display device (e.g., external monitor, LCD 
projector).
7 DC-in jack Connects to an AC adapter. 
						

							Chapter 17
Rear Panel
Bottom Panel
#IconItemDescription
1 Ventilation slots Enable the computer to stay cool, even after prolonged use.
2 Modem (RJ-11) port Connects to a phone line.
#ItemDescription
1 Battery bay Houses the computers battery pack.
2 Battery lock Locks the battery in position.
3 Hard disk bay Houses the computer’s hard disk (secured with screws)
4 Memory compartment Houses the computers main memory.
5 Battery release latch Releases the battery to remove the battery pack. 
						

							8Chapter 1
Indicators
The computer has four easy-to-read status indicators:
The front panel indicators are visible even when the computer cover is closed up.
NOTE: Battery LED status during charging:
• Amber: Charging. 
• Green: Charging complete.
IconFunctionDescription
HDD Indicates when the hard disk 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 
						

							Chapter 19
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, but can be reset by users. To set the Web browser, mail and programmable buttons, 
run the Acer Launch Manager. 
IconEasy-launch buttonDefault application
Acer Empowering Technology Acer Empowering Technology (User-programmable)
Mail Email application (user-programmable)
Web browser Internet browser (user-programmable)
PProgrammable key User-programmable
1. Charging:
2. Fully charged:
Acer 
Empowering Technology on page 1
Launch Manager on page 51
Easy-launch button Default application 
						

							10Chapter 1
Productivity Keys
Three productivity keys give users one-touch access to protection and manageability features for a more 
secure, smarter and easier way to work.
TLock key - quickly locks and secures your system when you need to leave your desk.
TPresentation key - prepares your system display for presentation, a handy shortcut for busy 
professionals.
TSync key - synchronizes your system to an externally attached storage device, for convenient backup.
IconEasy-launch buttonDefault application
Lock Launch Windows Lock function
Presentation Minimizes your open windows and prepares your display for 
presenting
Sync Launch NTI Shadow