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Maintenance and Service Guide 4–1

Removal and Replacement

Preliminaries

This chapter provides essential information for proper and safe

removal and replacement service.

4.1 Tools Required

You will need the following tools to complete the removal and

replacement procedures:

■ Magnetic screwdriver

■ Phillips P0 screwdriver

■ Tool kit (includes connector removal tool, loopback plugs,

and case utility tool)

268135-002.book Page 1 Thursday, October 24, 2002 4:10 PM

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 180 181

Maintenance and Service Guide 1
Second Edition October 2002 2
First Edition April 2002 2
Contents 3
6 Specifications 5
A Connector Pin Assignments 5
B Power Cord Set Requirements 5
C Screw Listing 5
Product Description 6
1.1 Features 7
1.2 Clearing a Password 9
1.3 Power Management 10
Table 1-6 11
(Continued) 12
Table 1-7 13
Table 1-8 15
Keyboard Components 15
F1 through F12 15
Figure 1-5. Top Components 17
Figure 1-6. Bottom Components 19
1.5 Design Overview 21
Troubleshooting 22
Using Computer Setup 23
Selecting from the File Menu 24
Table 2-2 25
Security Menu 25
Select To Do This 25
Table 2-3 26
Advanced Menu 26
2.2 Using Compaq Diagnostics 28
Test Information 29
Table 2-4 31
(if applicable) 39
Illustrated Parts Catalog 52
Figure 3-2. Computer 53
System Major Components 53
Table 3-1 54
Kit Components 65
3.4 Mass Storage Devices 67
Table 3-3 68
Mass Storage Devices 68
3.5 Miscellaneous 69
Removal and Replacement 71
Preliminaries 71
4.2 Service Considerations 72
4.3 Preventing Damage to 73
Removable Drives 73
Precautions 74
4.6 Workstation Precautions 75
Metal tote boxes 77
Table 4-2 78
Static-Shielding Materials 78
Procedures 79
5.1 Serial Number 80
Disassembly 82
(Figure 5-3) 83
1 (Figure 5-4) 84
2 to unseat the hard drive 85
Hard Drive Bezel 86
Spare Part Number Information 86
5.4 Computer Feet 87
5.5 Memory Expansion Board 87
Compartment Cover 88
Mini PCI Communication Boards 90
Slot Cover 91
5.7 Connector Cover 93
5.8 LED Cover 94
5.9 Keyboard 96
9. Remove the keyboard 99
5.10 Display 100
5.11 Top Cover 104
5.12 Speaker Assembly 109
5.13 Display Release Assembly 111
5.14 TouchPad 113
TouchButton board 115
5.15 Fan 116
Figure 5-29. Removing the Fan 117
5.16 Processor 118
5.17 Disk Cell RTC Battery 120
3. Remove the RTC battery 2 121
5.18 System Board 122
(Figure 5-32) 123
Display Support 124
5.19 Modem Cable 127
Specifications 129
Table 6-2 131
15.0-inch UXGA, TFT Display 131
Table 6-3 132
15.0-inch SXGA+, TFT Display 132
Table 6-4 133
15.0-inch XGA, TFT Display 133
Table 6-5 134
14.1-inch XGA, TFT Display 134
Table 6-6 135
Hard Drives 135
Table 6-7 137
Diskette Drive 137
Table 6-8 138
CD-ROM Drive 138
Table 6-9 139
DVD-ROM Drive 139
Table 6-10 140
CD-RW Drive 140
Table 6-11 141
External AC Adapter 141
Table 6-12 141
8-cell, Li ion Battery Pack 141
Table 6-13 142
System DMA 142
Table 6-14 143
System Interrupts 143
Table 6-15 144
System I/O Addresses 144
Table 6-16 147
System Memory Map 147
Connector Pin Assignments 148
Table A-2 149
RJ-11 Modem 149
Table A-3 149
Universal Serial Bus 149
Table A-4 150
Table A-5 151
Parallel 151
Table A-6 152
External Monitor 152
Table A-7 153
Stereo Speaker/Headphone 153
Table A-8 153
Microphone 153
Power Cord Set Requirements 154
Country-Specific Requirements 155
Screw Listing 157
Table C-1 158
Phillips M3.0 × 4.0 Screw 158
Table C-2 160
Phillips M2.0 × 5.5 Screw 160
Table C-3 162
Phillips M2.0 × 10.0 Screw 162
Table C-4 164
Phillips M2.0 × 4.0 Screw 164
(Continued) 165
Table C-5 170
Phillips M2.5 × 9.0 Screw 170
Table C-6 171
Phillips M2.0 × 8.0 Screw 171

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Compaq 2800 Manuale Utente Pagina 71

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