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3–2
Maintenance and Ser
vice Guide
Illustrated P
ar
ts Catalog
3.2 Computer System Major Components
Figure 3-2. Computer
System Major Components
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157
Maintenance and Service Guide
1
First Edition (June 2001)
2
Contents
3
3 Illustrated Parts Catalog
4
6 Specifications
5
A Connector Pin Assignments
5
B Power Cord Set Requirements
5
C Screw Listing
5
Table 1-1
7
Compaq Notebook Evo N150
7
Features
10
1.2 Clearing a Password
11
1.3 Power Management
12
Table 1-2
13
Table 1-3
15
Product Description
17
Table 1-4
18
Keyboard Components
18
F1 through F12
18
Figure 1-5. Top Components
19
Figure 1-6. Bottom Components
21
1.4 Design Overview
23
Troubleshooting
24
Troubleshooting Flowcharts
26
2.1 Initial Troubleshooting
27
2.2 No Power, Part 1
28
2.3 No Power, Part 2
29
2.4 No Power, Part 3
30
2.5 No Power, Part 4
31
2.6 No Video, Part 1
32
2.7 No Video, Part 2
33
(if applicable)
34
2.15 No Audio, Part 1
41
2.16 No Audio, Part 2
42
2.17 Non Functioning Device
43
2.18 Non Functioning Keyboard
44
Illustrated Parts Catalog
47
Table 3-1
49
Components
54
3.5 Cable Kit Components
56
3.6 Mass Storage Devices
57
3.7 Miscellaneous
58
Removal and Replacement
60
Preliminaries
60
4.3 Preventing Damage to
61
Removable Drives
61
Precautions
63
4.6 Workstation Precautions
64
Table 4-1
66
Table 4-2
66
Static-Shielding Materials
66
Procedures
67
5.1 Serial Number
68
Table 5-1
69
Disassembly Sequence Chart
69
Disassembly
70
5.4 Computer Feet
70
5.5 Hinge Covers
71
5.6 Keyboard
72
5.7 Display
74
5.8 EMI Shield
76
5.9 Top Cover
77
5.10 TouchPad
81
5.11 Speakers
84
5.12 Microphone
87
5.13 Display Lid Switch Board
89
5.14 Heat Sink
90
5.15 Infrared Board
92
5.16 System Board
94
(Figure 5-21)
97
(Figure 5-22)
98
5.17 PC Card Assembly
99
5.18 Mini PCI Board
101
5.19 Disk Cell RTC Battery
103
Specifications
105
(Continued)
106
Table 6-2
107
14.1-inch XGA, TFT Display
107
Hard Drives
108
Table 6-3
108
Table 6-4
110
Diskette Drive
110
Table 6-5
111
CD-ROM Drive
111
Table 6-6
112
DVD-ROM Drive
112
Table 6-7
113
AC Adapter
113
Table 6-8
114
Battery Packs
114
Table 6-9
115
System DMA
115
Table 6-10
116
System Interrupts
116
Table 6-11
117
System I/O Addresses
117
Table 6-12
120
System Memory Map
120
Connector Pin Assignments
121
Table A-3
122
External Keyboard/Mouse
122
Table A-4
122
RJ-11 Modem
122
Table A-5
123
RJ-45 Network Interface
123
Table A-6
123
Universal Serial Bus
123
Table A-7
124
Table A-8
125
External Monitor
125
Table A-9
126
Parallel
126
Power Cord Set Requirements
127
Country-Specific Requirements
128
Screw Listing
130
Table C-1
131
M2.5 × 7.0 Screw
131
Table C-2
135
M2.5 × 8.0 Screw
135
Table C-3
136
M2 × 5.5 Screw
136
Table C-4
137
M2.5 × 4.5 Screw
137
Table C-5
141
M2 × 12.5
141
Table C-6
142
M2.5 × 4.0 Screw
142
Table C-7
144
M2.5 × 3.0 Screw
144
Table C-8
145
M2 × 6.0 Screw
145
Table C-9
146
M1 × 4.0 Screw
146
Table C-10
147
M2 × 4.0 Screw
147
Table C-11
149
M2 × 14.5 Screw
149
Table C-12
150
M2 × 5.0 Screw
150
Table C-13
151
5.0 mm Screwlock
151
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