Acer Aspire 7720g Service Guide

Chapter 15
Board Layout
Top View
1 JP1 LCD Connector 9 JP36 Mainboard to LED Board 
Connector
2 JP3 Speaker (Left) Connector 10 U12
3 JP34 Speaker (Right) Connector 11 JP9 PCI Express Card Socket
4 JP4 Internal MIC Connector 12 LED1 Power/Suspend LED
5 U5 South Bridge (ICH8M) 13 LED2 Battery Charge/Discharge LED
6 JP6 Internal Track-Pad Connector 14 JP13 Mainboard to Audio Board 
Connector
7 JP5 Internal Keyboard Connector 15 JP11 Mainboard to USB Board 
Connector
8 JP2 Mainboard to Button Board...

6Chapter 1
Bottom View
1 PJP1 DC-in Power Jack 14 JP24 TV-out Connector
2 PJP2 Battery Connector 15 JP26 IEEE1394 Connector
3 JP14 CRT Connector 16 JP27 SATA HDD Connector
4 JP15 DVI-D Connector 17 U23 North Bridge (965PM/965GM)
5 JP25 ODD Connector 18 U28
6 JP20 Mini Card (WLAN) Socket 19 U29 Volume Control
7 JP19 Mini Card (TV-Tuner) Socket 20 JP28 DDRII Memory Socket
8 JP17 MDC Connector 21 JP29 DDRII Memory Socket
9 JP22 CPU Socket 22 JP31 Headphone/SPDIF Jack
10 JP16 Internal Fan Connector 23 JP32...

Chapter 17
Your Acer Notebook Tour
After knowing your computer features, let us show you around your new Aspire computer.
Front View
#IconItemDescription
1 Built-in camera 0.3 megapixel web camera for video 
communication.
2 Power button Turns the computer on and off.
3 Wireless communication 
button/indicatorEnables/disables the wireless function. 
Indicates the status of wireless LAN 
communication.
4 Easy-launch buttons Buttons for launching frequently used 
programs.
5
Bluetooth
® 
communication...

8Chapter 1
Closed Front View
9 Status indicators Light-Emitting Diodes (LEDs) that light up 
to show the status of the computer’s 
functions and components.
10 Click buttons (left and 
right)The left and right buttons function like the 
left and right mouse buttons.
11 Microphone Internal microphone for sound recording.
12 Display screen Also called Liquid-Crystal Display (LCD), 
displays computer output.
13 Empowering button Launches the Empowering Technology 
toolbar.
14 Speaker Left and right speakers...

Chapter 19
Left View
#IconItemDescription
1 Kensington lock slot Connects to a Kensington-compatible 
computer security lock.
2 External display (VGA) 
portConnects to a display device (e.g., external 
monitor, LCD projector).
3
DVIDVI-D port Supports digital video connections.
4 Ethernet (RJ-45) Connects to an Ethernet 10/100/1000-
based network (for selected models).
5 2 USB 2.0 port Connect to USB 2.0 devices (e.g., USB 
mouse, USB camera).
6 S-video/TV-out (NTSC/
PAL) port Connects to a television or...

10Chapter 1
Right View
Rear view
#IconItemDescription
1 2 USB 2.0 ports Connect to USB 2.0 devices (e.g., USB 
mouse, USB camera).
2 AV-in port Accepts input signals from audio/video 
(AV) devices.
3 Optical drive Internal optical drive; accepts CDs or DVDs 
(slot-load or tray-load depending on 
model).
4 Optical disk access 
indicatorLights up when the optical drive is active.
5 Optical drive eject 
buttonEjects the optical disk from the drive.
6 Emergency eject hole Ejects the optical drive tray when...

Chapter 111
Base view
Indicators
The computer has several easy-to-read status indicators.
The front panel indicators are visible even when the computer cover is closed up.
#ItemDescription
1 Battery bay Houses the computer’s battery pack.
2 Battery release latch Releases the battery for removal.
3 Battery lock Locks the battery in position.
4 Hard disk bay Houses the computer’s hard disk (secured with screws)
5 & 6 Ventilation slots and 
cooling fanEnable the computer to stay cool, even after prolonged...

12Chapter 1
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
To the top of the keyboard there are four easy-launch buttons: Web browser, mail, arcade buttons and an 
Empowering Key “ .
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 and mail buttons, run the Launch 
Manager....

Chapter 113
Touchpad Basics
The following teaches you how to use the touchpad:
TMove your finger across the touchpad (2) to move the cursor. 
TPress the left (1) 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.
TThe center (3) button to mimics your cursor pressing on the right scroll bar of Windows 
applications.
NOTE:...

14Chapter 1
Using the Keyboard
The keyboard has full-sized keys and an embedded keypad, separate cursor keys, one Windows key and 
twelve function keys.
Lock Keys and embedded numeric keypad
The keyboard has three lock keys which you can toggle on and off.
The embedded numeric keypad functions like a desktop numeric keypad. It is indicated by small characters 
located on the upper right corner of the keycaps. To simplify the keyboard legend, cursor-control key symbols 
are not printed on the keys.
Lock...