Acer Aspire 4820T Series, Service Manual

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1
System Specifications 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Your Acer Notebook tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Closed Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Left View 9
Right View 10
Bottom View 11
11
Indicators 11
TouchPad Basics 13
Using the Keyboard 14
Lock Keys and embedded numeric keypad 14
Windows Keys 15
Hot Keys 16
Hardware Specifications and Configurations 17
System Utilities 25
BIOS Setup Utility 25
Navigating the BIOS Utility 25
Aspire 4820T BIOS 26
Information 26
Main 27
Security 28
Boot 31
Exit 32
BIOS Flash Utilities 33
DOS Flash Utility 34
WinFlash Utility 36
Remove HDD/BIOS Password Utilities 37
Machine Disassembly and Replacement 43
Disassembly Requirements 43
General Information 44
Pre-disassembly Instructions 44
Disassembly Process 44
External Module Disassembly Process 45
External Modules Disassembly Flowchart 45
Removing the Battery Pack 46
Removing the SD dummy card 47
Removing the SIM card 48
Removing the Lower Cover 49
Removing the Optical Drive Module 50
Removing the DIMM Modules 52
Removing the WLAN Module 53
Removing the Hard Disk Drive Module 54
Main Unit Disassembly Process 55
Main Unit Disassembly Flowchart 55
Removing the Keyboard 56
Removing the Upper Cover 58
Removing the Power Switch Board 61
Removing the Function Board 62
Removing the Left Speaker Module 63