Acer KB.I170A.155 Datový list stáhnout pdf (Strana 76)

66 Chapter 3

4. Lift the power board away.

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Aspire 5745 Series 1
Service Guide 1
Revision History 2
Copyright 3
Disclaimer 3
Conventions 4
Table of Contents 10
System Specifications 11
Special Keys and Controls 13
I/O Ports 13
Software 13
Optional Items 14
Warranty 14
Environment 14
System Block Diagram 15
Notebook Tour 16
Closed Front View 17
Left View 17
Right View 18
Base View 19
Indicators 19
TouchPad Basics 20
Using the Keyboard 21
Windows Keys 22
Hot Keys 23
Special Keys 24
System Utilities 33
Information 34
Security 36
Setting a Password 37
Removing a Password 37
Changing a Password 38
BIOS Flash Utility 41
DOS Flash Utility 42
WinFlash Utility 43
Removing BIOS Passwords: 45
Miscellaneous Utilities 46
Using the LAN MAC Utility 47
38 Chapter 2 48
Disassembly Requirements 49
Chapter 3 49
Pre-disassembly Instructions 50
Disassembly Process 51
Removing the Battery Pack 53
Removing the Dummy Card 54
Removing the Base Door 55
46 Chapter 3 56
Removing the DIMM Module 59
Removing the WLAN Module 60
Chapter 3 51 61
Removing the ODD Module 62
Removing the RTC Battery 64
Main Unit Disassembly Process 65
Removing the Keyboard 67
Removing the Upper Cover 69
62 Chapter 3 72
Removing the Switch Board 73
64 Chapter 3 74
Removing the Power Board 75
66 Chapter 3 76
4. Lift the power board away 76
Removing the LCD Module 77
68 Chapter 3 78
Removing the I/O Board 80
Chapter 3 71 81
4. Lift away the I/O board 81
Removing the Bluetooth Module 82
Chapter 3 73 83
Removing the Mainboard 84
Chapter 3 75 85
Removing the Thermal Module 86
Removing the CPU 87
Removing the PCH Thermal Unit 88
80 Chapter 3 90
Removing the LCD Bezel 93
84 Chapter 3 94
Removing the Camera Board 95
Removing the LCD Panel 96
Chapter 3 87 97
5. Lift the LCD panel out 97
88 Chapter 3 98
7. Disconnect the FPC cable 98
Removing the Microphone Cable 99
Removing the Antennas 100
92 Chapter 3 102
LCD Reassembly Procedure 103
Chapter 3 95 105
Replacing the Microphone 106
Replacing the LCD FPC Cable 107
Replacing the LCD Panel 108
Chapter 3 99 109
LCD Panel Assembly M2.5x3 2 109
Replacing the Camera Board 110
Replacing the LCD Bezel 111
102 Chapter 3 112
Chapter 3 103 113
Replace LCD Bezel M2.5*4 2 113
Main Unit Reassembly Process 114
Replacing the CPU 116
Chapter 3 107 117
Replacing the Thermal Module 118
Replacing the Main Board 119
Replacing the I/O Card 120
Chapter 3 111 121
Chapter 3 113 123
Replacing the LCD Module 124
Chapter 3 115 125
116 Chapter 3 126
8. Connect the LVDC cable 126
Replacing the Power Board 127
Replacing the Switch Board 128
Replacing the Upper Cover 129
Chapter 3 121 131
4. Connect the speaker cable 131
122 Chapter 3 132
Replacing the Keyboard 133
124 Chapter 3 134
Replacing the DIMM Module 136
Replacing the Hard Disk Drive 137
128 Chapter 3 138
Replacing the RTC Battery 139
Replacing the ODD Module 140
Chapter 3 131 141
Replacing the Base Door 142
Replacing the Battery 143
Replace the Dummy Card 144
Troubleshooting 145
Power On Issue 146
No Display Issue 147
Random Loss of BIOS Settings 148
LCD Failure 149
Built-In Keyboard Failure 150
TouchPad Failure 151
Internal Speaker Failure 152
Internal Microphone Failure 153
HDD Not Operating Correctly 154
Other Failures 155
Intermittent Problems 156
Undetermined Problems 156
POST Code Reference Tables 157
152 Chapter 4 162
Chapter 5 163
Mainboard Bottom View 164
DIMM Socket Population Rules 165
BIOS Recovery 166
Chapter 6 167
Exploded Diagrams 168
Chapter 6 159 169
Item Description Part Number 169
LCD Assembly 170
FRU List 171
Screw List 178
Appendix A 179
Test Compatible Components 225
Online Support Information 229
223 Index 233

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