Acer Aspire M1420 Technical Information download pdf (Page 71)

Chapter 3 61

Removing the Button Board

IMPORTANT: The Touchpad Board cannot be removed individually. To replace the Touchpad Board, replace the

entire Upper Cover.

1. See “Removing the Upper Cover” on page 57.

2. Unlock the button board cable.

3. Disconnect the button board cable.

4. Pull the button board cable off the adhesive.

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 215 216

Aspire 1820PT/1420P Series 1
Service Guide 1
Revision History 2
Copyright 3
Disclaimer 3
Conventions 4
Table of Contents 10
System Specifications 11
System Block Diagram 13
Your Notebook Tour 14
Closed Front View 15
Left View 16
Right View 16
Base View 17
Rear View 18
Indicators 18
TouchPad Basics 19
Using the Keyboard 20
Windows Keys 21
Hot Keys 22
Special Keys 23
22 Chapter 1 32
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
General Information 49
Chapter 3 49
Disassembly Process 50
Removing the Dummy Card 52
Removing the Battery Pack 52
Removing the SIM Card 53
Removing the Module Cover 54
46 Chapter 3 56
Removing the DIMM Module 57
Removing the WLAN Board 58
Removing the 3G Module 59
50 Chapter 3 60
4. Remove the one (1) screw 60
5. Remove the 3G module 60
Main Unit Disassembly Process 61
Removing the Keyboard 63
54 Chapter 3 64
4. Unlock the FPC 64
Removing the Hinge Covers 65
56 Chapter 3 66
4. Remove the hinge cap 66
5. Remove the hinge bezel 66
Removing the Upper Cover 67
Chapter 3 59 69
8. Pry the front side open 69
9. Pry the left side open 69
60 Chapter 3 70
Removing the Button Board 71
62 Chapter 3 72
Chapter 3 63 73
64 Chapter 3 74
12. Remove the button board 74
Button Board M2*3 2 74
Removing the I/O Board 75
Removing the Bluetooth Module 77
Removing the LED Board 78
Chapter 3 69 79
5. Remove the LED cable 79
70 Chapter 3 80
6. Remove the two (2) screws 80
7. Remove the LED board 80
LED Board M2*4 2 80
Removing the CRT Board 81
72 Chapter 3 82
5. Turn the CRT board over 82
6. Remove the CRT cable 82
Removing the Mainboard 83
Chapter 3 75 85
12. Remove the CRT cable 85
Removing the Thermal Module 86
Removing the RTC Battery 87
Removing the Speaker Modules 87
Removing the LCD Module 88
Chapter 3 79 89
5. Remove the LCD module 89
LCD Module M2*5 5 89
Removing the LCD Bezel 92
84 Chapter 3 94
Removing the Camera Board 95
Removing the Microphone 96
Removing the LCD Panel 96
Removing the LCD Cable 98
Chapter 3 89 99
90 Chapter 3 100
Removing the LCD Brackets 101
Removing the Hinge 103
Removing the Antennas 104
Chapter 3 95 105
96 Chapter 3 106
LCD Reassembly Procedure 107
Replacing the Hinge 108
Chapter 3 99 109
Hinge M2*3 3 109
Replacing the LCD Brackets 110
Replacing the LCD Cable 111
102 Chapter 3 112
Replacing the LCD Panel 113
Replacing the Microphone 115
Replacing the Camera Board 116
Replacing the LCD Bezel 117
Chapter 3 109 119
7. Insert the stylus 119
Main Unit Reassembly Process 120
Chapter 3 111 121
3. Turn the LCD module 121
Replacing the RTC Battery 122
Replacing the Thermal Module 122
Replacing the Speakers 123
114 Chapter 3 124
Speaker M2*3 2 124
Replacing the Mainboard 125
116 Chapter 3 126
5. Connect the LCD connector 126
Replacing the CRT Board 127
Replacing the LED Board 128
120 Chapter 3 130
Chapter 3 121 131
Replacing the I/O Board 132
124 Chapter 3 134
Replacing the Button Board 135
126 Chapter 3 136
Chapter 3 127 137
Replacing the Upper Cover 138
Chapter 3 129 139
Replacing the Hinge Covers 141
132 Chapter 3 142
2. Replace the hinge cap 142
Hinge Covers M2*3 3 142
Replacing the Keyboard 143
Replacing the 3G Module 144
Chapter 3 135 145
2. Replace the one (1) screw 145
3G Module M2*3 1 145
Replacing the WLAN Module 146
Replacing the DIMM 147
Replacing the Hard Disk Drive 147
138 Chapter 3 148
3. Adhere the black tape 148
4. Replace the HDD FPC 148
Replacing the Module Cover 149
140 Chapter 3 150
Replacing the SIM Card 151
Replacing the Battery 151
Replacing the Dummy Card 152
Troubleshooting 153
Power On Issue 154
No Display Issue 155
Random Loss of BIOS Settings 156
LCD Failure 157
Built-In Keyboard Failure 158
TouchPad Failure 159
Internal Speaker Failure 160
Internal Microphone Failure 161
HDD Not Operating Correctly 162
Other Failures 163
Intermittent Problems 164
Undetermined Problems 164
Post Codes 165
Chapter 5 175
Mainboard Bottom View 176
Mainboard CMOS Discharge 177
BIOS Recovery by Crisis Disk 178
Exploded Diagram 179
Chapter 6 179
Fru List 181
Appendix A 189
192 Appendix A 202
Test Compatible Components 203
MS Compatibility Test Report 206
Appendix B 197 207
198 Appendix B 208
Appendix B 199 209
200 Appendix B 210
Online Support Information 211

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