EMachines D620 Technické informace stáhnout pdf (Strana 38)

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D620
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48 Chapter 3

General Information

Pre-disassembly Instructions

Before proceeding with the disassembly procedure, make sure that you do the following:

1. Turn off the power to the system and all peripherals.

2. Unplug the AC adapter and all power and signal cables from the system.

3. Place the system on a flat, stable surface.

4. Remove the battery pack. See “Removing the Battery Pack” on page 51.

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 117 118

Service Guide 1
Revision History 2
Copyright 3
Disclaimer 4
Conventions 5
System Specification 7
Special keys and controls 8
I/O Interface 8
Power Subsystem 8
Dimensions 8
Environment 8
Your eMachines Notebook Tour 9
Closed front view 11
Rear Panel 11
Left View 12
Right View 12
Bottom Panel 13
Touchpad 14
Using the Keyboard 16
Windows Keys 17
Special Keys 19
Item Specification 21
ACPI mode Power Management 27
System Utilities 29
Information Menu 30
Main Menu 31
Advanced Menu 32
Security Menu 33
Setting a System Password 34
Changing a System Password 34
Removing a System Password 34
Boot Menu 35
Exit Menu 36
Disassembly Requirements 37
Chapter 3 37
General Information 38
Disassembly Process 39
Removing the Battery Pack 41
Removing the Lower Cover 41
Removing the DIMM 42
Chapter 3 57 47
Main Unit Disassembly Process 48
Removing the Fan Module 49
Removing the CPU 51
Removing the Middle Cover 52
Removing the Keyboard 53
Removing the LCD Module 54
Chapter 3 65 55
66 Chapter 3 56
70 Chapter 3 60
Removing the Mainboard 62
Removing the Modem Board 63
Removing the Speaker Modules 64
Chapter 3 75 65
LCD MODULE DISASSEMBLY 66
Removing the LCD Bezel 67
Removing the Inverter Board 68
80 Chapter 3 70
Removing the LCD Brackets 71
Removing the Antennas 73
Removing the Microphone 74
Chapter 3 85 75
16. Remove the microphone 75
86 Chapter 3 76
Troubleshooting 77
System Check Procedures 78
Power System Check 79
Touchpad Check 80
Index of Error Messages 82
Phoenix BIOS Beep Codes 84
• Modem phone port 91
• Modem combo board 91
• Mainboard 91
Intermittent Problems 92
Undetermined Problems 93
104 Chapter 4 94
System Block Diagram 95
Chapter 5 95
Board Layout 96
Gap Description 98
G41 Bypassing Password Check 98
Chapter 6 99
110 Chapter 4 100
Appendix A 112
Test Compatible Components 113
Microsoft 114
Environment Test 114
Appendix B 125 115
126 Appendix B 116
Online Support Information 117
128 Appendix C 118

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