Acer KB.I100A.022 Technical Information Page 60
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50 Chapter 3
Main Unit Disassembly Process
IMPORTANT: Cable paths and positioning may not represent the actual model. During the removal and
replacement of components, ensure all available cable channels and clips are used and that the cables are
replaced in the same position.
NOTE: The product previews seen in the disassembly procedures may not represent the final product color or
configuration.
Main Unit Disassembly Flowchart
Screw List
Step Screw Quantity Part No.
Upper Cover M2*6 7 86.SAS02.004
LED Board M2*3 1 86.SAS02.001
Bridge Board M2*3 2 86.SAS02.001
Speaker Module M2*3 4 86.SAS02.001
Touchpad Board M2*3 2 86.SAS02.001
Remove External
Modules before
proceeding
Remove
Mainboard
Remove
LCD Module
Remove
Keyboard
Remove
Upper Cover
Remove
Thermal Module
Remove
Speaker Module
Remove
Bridge Board
Remove
I/O Board
Remove
LED Board
Remove
Bluetooth
Module
Remove
Touchpad Board
- NAV50 Series 1
- Service Guide 1
- Revision History 2
- Copyright 3
- Disclaimer 3
- Conventions 4
- Table of Contents 10
- System Specifications 11
- Communication 12
- Privacy control 12
- Special keys and controls 12
- I/O interface 12
- Environment 13
- System Block Diagram 14
- Your Acer Notebook tour 15
- Closed Front View 16
- Left View 16
- Right View 17
- Rear and Base View 18
- Indicators 19
- TouchPad Basics 20
- Using the Keyboard 21
- Windows Keys 22
- Hot Keys 23
- Special Keys 24
- 20 Chapter 1 30
- System Utilities 31
- Information 32
- Security 34
- Setting a Password 35
- Removing a Password 35
- Changing a Password 36
- Chapter 2 27 37
- BIOS Flash Utility 39
- DOS Flash Utility 40
- Chapter 2 31 41
- WinFlash Utility 42
- Miscellaneous Utilities 45
- Using the LAN MAC Utility 46
- Chapter 2 37 47
- 38 Chapter 2 48
- Disassembly Requirements 49
- Chapter 3 49
- General Information 50
- Removing the Battery Pack 52
- Removing the HDD Module 53
- Removing the DIMM Module 55
- 46 Chapter 3 56
- 5. Remove the DIMM module 56
- Removing the WLAN Module 57
- 48 Chapter 3 58
- Removing the Back Cover 59
- Main Unit Disassembly Process 60
- Chapter 3 51 61
- I/O Board M2*3 1 86.SAS02.001 61
- Mainboard M2*3 1 86.SAS02.001 61
- Step Screw Quantity Part No 61
- Removing the Keyboard 62
- Chapter 3 53 63
- Removing the Upper Cover 64
- 56 Chapter 3 66
- Removing the Touchpad Board 67
- Removing the LED Board 68
- Removing the Bridge Board 69
- Removing the Bluetooth Module 70
- Removing the Speaker Module 71
- 62 Chapter 3 72
- Removing the I/O Board 73
- 64 Chapter 3 74
- Removing the Mainboard 75
- Removing the Thermal Module 77
- 68 Chapter 3 78
- Removing the LCD Module 79
- Removing the LCD Bezel 82
- Removing the Camera Board 83
- Removing the LCD Panel 84
- Removing the Microphone Set 85
- Removing the WLAN Antennas 86
- Chapter 3 77 87
- Removing the LCD Brackets 88
- Chapter 3 79 89
- Replacing the LCD Brackets 90
- Chapter 3 81 91
- Replacing the WLAN Antennas 92
- Replacing the Microphone Set 93
- Replacing the LCD Panel 94
- Replacing the Camera Board 95
- Replacing the LCD Bezel 96
- Replacing the LCD Module 97
- 88 Chapter 3 98
- Replacing the Thermal Module 99
- Replacing the Mainboard 100
- Replacing the I/O Board 101
- Replacing the Speaker Module 102
- Replacing the Bridge Board 103
- Replacing the LED Board 104
- Replacing the Touchpad Board 104
- Chapter 3 95 105
- Replacing the Upper Cover 106
- Chapter 3 97 107
- Replacing the Keyboard 108
- Replacing the WLAN Module 109
- Replacing the DIMM Module 109
- Replacing the Battery Pack 112
- Troubleshooting 113
- Power On Issue 114
- No Display Issue 115
- Random Loss of BIOS Settings 116
- LCD Failure 117
- Built-In Keyboard Failure 117
- TouchPad Failure 118
- Internal Speaker Failure 119
- Internal Microphone Failure 121
- HDD Not Operating Correctly 122
- USB Failure (Rightside) 123
- 114 Chapter 4 124
- 3G Function Test Failure 125
- Switch Failure 126
- Thermal Units Failure 127
- Power Button Failure 127
- External Mouse Failure 128
- Other Failures 128
- Intermittent Problems 129
- Undetermined Problems 129
- Motherboard CMOS Discharge 130
- POST Code Reference Tables 131
- BDS & Specific action: 132
- Mainboard Top View 137
- Chapter 5 137
- Mainboard Bottom View 138
- Button Board 139
- LED Board 140
- I/O Board Top View 141
- I/O Board Bottom View 142
- Clearing Password Check 143
- BIOS Recovery by Crisis Disk 144
- Chapter 6 145
- NAV50 Exploded Diagrams 146
- Rear Assembly 147
- Upper Cover Assembly 148
- NAV50 FRU List 149
- 140 Chapter 6 150
- Chapter 6 141 151
- 142 Chapter 6 152
- Chapter 6 143 153
- 144 Chapter 6 154
- Screw List 155
- Appendix A 156
- 147 Appendix A 157
- Appendix A 148 158
- 149 Appendix A 159
- Appendix A 150 160
- 151 Appendix A 161
- Appendix A 152 162
- 153 Appendix A 163
- Appendix A 154 164
- 155 Appendix A 165
- Appendix A 156 166
- 157 Appendix A 167
- Appendix A 158 168
- 159 Appendix A 169
- Appendix A 160 170
- 161 Appendix A 171
- Appendix A 162 172
- 163 Appendix A 173
- Appendix A 164 174
- 165 Appendix A 175
- Appendix A 166 176
- 167 Appendix A 177
- Appendix A 168 178
- 169 Appendix A 179
- Appendix A 170 180
- 171 Appendix A 181
- Appendix A 172 182
- 173 Appendix A 183
- Appendix A 174 184
- 175 Appendix A 185
- Appendix A 176 186
- 177 Appendix A 187
- Appendix A 178 188
- 179 Appendix A 189
- Appendix A 180 190
- 181 Appendix A 191
- Appendix A 182 192
- 183 Appendix A 193
- Appendix A 184 194
- 185 Appendix A 195
- Appendix A 186 196
- 187 Appendix A 197
- Appendix A 188 198
- 189 Appendix A 199
- Appendix A 190 200
- 191 Appendix A 201
- Appendix A 192 202
- 193 Appendix A 203
- Appendix A 194 204
- 195 Appendix A 205
- Appendix A 196 206
- 197 Appendix A 207
- Appendix A 198 208
- 199 Appendix A 209
- Appendix A 200 210
- 201 Appendix A 211
- Appendix A 202 212
- 203 Appendix A 213
- Appendix A 204 214
- 205 Appendix A 215
- Appendix A 206 216
- 207 Appendix A 217
- Appendix A 208 218
- Test Compatible Components 219
- Windows Environment Test 220
- 212 Appendix B 222
- Online Support Information 223
- 214 Appendix C 224
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