Home » Acer Manuals » Laptops » Acer Extensa 4220 » Manual Viewer

Acer Extensa 4220 TravelMate 4320/4720 and Extensa 4220/4620 Service Guide - Page 44

Wireless LAN module, Modem, Bluetooth Module, Keyboard and Input Devices, Onboard Gigabit Ethernet

Add to My Manuals
Save this manual to your list of manuals

Page 44 highlights

LAN Item LAN controller LAN connector type Features Wireless LAN module Item Vendor Model name Data throughput Protocol Interface Specification Intel ICH8M + Broadcom 5785KMLG chipsets RJ45 Onboard Gigabit Ethernet, PCI-E interface, support ASF 2.0 Specification Intel Wireless WiFi Link 4965AGN 54 Mbps 802.11a/b/g PCI bus (mini PCI socket for wireless module) PRO/Wireless 3945ABG 54 Mbps 802.11 a/b/g PCI bus (mini PCI socket for wireless module) Modem Item Modem controller Vendor Baud rate Modem connector type Bluetooth Module Item Vendor Model name Protocol Connector type Specification Intel ICH8M chipset Agere 56 K RJ11 Specification Foxconn T60H928.01 Bluetooth 2.0 Mini USB Keyboard and Input Devices Item Keyboard controller Model name Features Specification Winbond WPC8768L Acer FineTouch keyboard 5-degree curve, 88-/89- key, inverted "T" cursor layout, 2.5 mm (minimum) key travel, touchpad pointing device with 4-way scroll button or Acer BioProtect fingerprint reader supporting Acer Finger Nav 4-way control function, hotkey controls, embedded numeric keypad, multi-language support, three easylaunch buttons, three productivity keys, and two front-access communication switches 34 Chapter 1

Section	Page
Table of Contents	7
Features	11
Your Acer Notebook Tour	14
Front View	14
Closed Front View	15
Left View	16
Right View	16
Rear Panel	17
Bottom Panel	17
Indicators	18
Easy-launch Buttons	19
Productivity Keys	20
Touchpad	21
Touchpad Basics	21
Using the Keyboard	23
Lock Keys and Embedded Numeric Keypad	23
Windows Keys	24
Hotkeys	25
Special Keys	26
Acer Empowering Technology	27
Empowering Technology Password	27
Acer eNet Management	28
Acer ePower Management	30
Acer ePresentation Management	32
Acer eDataSecurity Management	33
Acer eLock Management	34
Acer eRecovery Management	35
Acer eSettings Management	36
Windows Mobility Center	37
Using the System Utilities	38
Acer BiopProtect (for selected models)	38
Acer GridVista (dual-display compatible)	39
Launch Manager	40
Norton Internet Security	40
NTI Shadow	41
Hardware Specifications and Configurations	42
BIOS Setup Utility	49
Entering BIOS Setup	49
BIOS Setup Primary Menus	49
BIOS Setup Navigation Keys	49
Information Menu	50
Main Menu	51
Advanced Menu	52
Security Menu	53
Boot Menu	55
Exit Menu	56
Disassembly Requirements	57
General Information	58
Pre-disassembly Instructions	58
Disassembly Process	59
External Module Disassembly Process	60
External Modules Disassembly Flowchart	60
Removing the Battery Pack	61
Removing the SD Dummy Card	61
Removing the Express Dummy Card	62
Removing the Lower Cover	63
Removing the DIMM	63
Removing the WLAN Board Modules	64
Removing the Hard Disk Drive Module	65
Removing the Optical Drive Module	67
Main Unit Disassembly Process	69
Main Unit Disassembly Flowchart	69
Removing the Fan Module	70
Removing the CPU Heatsink Module	71
Removing the CPU	72
Removing the Middle Cover	73
Removing the Keyboard	74
Removing the LCD Module	77
Separating the Upper Case from the Lower Case	80
Removing the Touchpad Board Module	81
Removing the Fingerprint Board	83
Removing the LED Indicators Board	84
Remove the Daughter Board	85
Removing the Mainboard	87
Removing the Modem Board	88
Removing the Bluetooth Board	89
Removing the Speaker Modules	90
LCD Module Disassembly Process	92
LCD Module Disassembly Flowchart	92
Removing the LCD Bezel	93
Removing the Inverter Board	94
Removing the LCD with Brackets	95
Removing the LCD Brackets	97
Removing the LCD Module Hinges	99
Removing the Antennas	100
Removing the Microphone	101
System Check Procedures	104
External CD/DVD-ROM Drive Check	104
Keyboard or Auxiliary Input Device Check	104
Memory Check	104
Power System Check	105
Touchpad Check	106
Power-On Self-Test (POST) Error Message	107
Index of Error Messages	108
Phoenix BIOS Beep Codes	110
Index of Symptom-to-FRU Error Message	114
Intermittent Problems	118
Undetermined Problems	119
System Block Diagram	121
Board Layout	122
Top and Bottom View	122
Travelmate 4720/4320 Exploded Diagram	128
Travelmate 4720/4320	140
Appendix A Model Definition and Configuration	140
Microsoft® Windows® Vista™ Environment Test	144

We apologize, but we cannot currently deliver this PDF manual by request of the manufacturer.

We apologize for any inconveniece.