HP PAVILLION ZD7000 Manuel d'utilisateur Page 69
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Noté. / 5. Basé sur avis des utilisateurs
4–4 Maintenance and Service Guide
Removal and Replacement Preliminaries
4.4 Preventing Electrostatic Damage
Many electronic components are sensitive to electrostatic
discharge (ESD). Circuitry design and structure determine the
degree of sensitivity. Networks built into many integrated circuits
provide some protection, but in many cases, the discharge
contains enough power to alter device parameters or melt silicon
junctions.
A sudden discharge of static electricity from a finger or other
conductor can destroy static-sensitive devices or microcircuitry.
Often the spark is neither felt nor heard, but damage occurs.
An electronic device exposed to electrostatic discharge might not
be affected at all and can work perfectly throughout a normal
cycle. Or the device might function normally for a while, then
degrade in the internal layers, reducing its life expectancy.
4.5 Packaging and Transporting
Precautions
Use the following grounding precautions when packaging and
transporting equipment:
■ To avoid hand contact, transport products in static-safe
containers, such as tubes, bags, or boxes.
■ Protect all electrostatic-sensitive parts and assemblies with
conductive or approved containers or packaging.
■ Keep electrostatic-sensitive parts in their containers until the
parts arrive at static-free workstations.
■ Place items on a grounded surface before removing items
from their containers.
■ Always be properly grounded when touching a sensitive
component or assembly.
333621-001.book Page 4 Wednesday, September 17, 2003 12:24 PM
- Maintenance and Service 1
- Maintenance and Service Guide 3
- First Edition August 2003 3
- Contents 4
- 3 Illustrated Parts Catalog 5
- 6 Specifications 6
- A Connector Pin Assignments 6
- B Power Cord Set Requirements 6
- C Screw Listing 6
- 1.1 Models 8
- Table 1-2 9
- 1.2 Features 10
- Product Description 11
- 1.3 Clearing a Password 12
- 1.4 Power Management 13
- 1.5 External Components 14
- Table 1-3 15
- Table 1-4 16
- Keyboard Components 18
- Table 1-5 19
- Table 1-6 20
- Top Components 20
- Bottom Components 22
- Table 1-7 23
- 1.6 Design Overview 24
- Troubleshooting 25
- Using Computer Setup 26
- Selecting from the File Menu 27
- Table 2-2 28
- Security Menu 28
- Table 2-3 29
- Advanced Menu 29
- Configuration Information 31
- Test Information 32
- Table 2-4 34
- Flowchart Description 34
- (if applicable) 42
- System Restore 45
- DVD-ROM Drive 48
- Illustrated Parts Catalog 55
- 3.2 Notebook Major Components 56
- Major Components 56
- Table 3-1 57
- 3.3 Miscellaneous Plastics 62
- Kit Components 62
- 3.4 Miscellaneous Cable Kit 63
- Components 63
- 3.5 Mass Storage Devices 64
- 3.6 Miscellaneous 65
- Removal and Replacement 66
- Preliminaries 66
- 4.2 Service Considerations 67
- 4.3 Preventing Damage to 68
- Removable Drives 68
- Precautions 69
- 4.6 Workstation Precautions 70
- 4.7 Grounding Equipment and 71
- ■ Metal tote boxes 72
- Event 10% 40% 55% 72
- Procedures 73
- 5.1 Serial Number 74
- Disassembly Sequence Chart 75
- Disassembly 76
- Removing the Hard Drive Cover 77
- Removing the Hard Drive 78
- 5.4 Notebook Feet 79
- 5.5 Memory Expansion Board 80
- 5.7 Optical Drive 83
- 5.8 Keyboard 84
- Removing the Keyboard Screws 85
- Releasing the Keyboard 86
- Removing the Keyboard 87
- 5.9 Keyboard Cover 88
- Removing the Keyboard Cover 89
- 5.10 Display Assembly 90
- Removing the Display Assembly 91
- 5.11 Top Cover 92
- Removing the Top Cover 94
- 5.12 System Board 95
- Cables from the System Board 96
- Removing the System Board 98
- 5.13 RTC Battery 99
- 5.14 Heat Sink 100
- 5. Remove the heat sink 3 101
- Removing the Fans 103
- 5.15 Processor 104
- Removing the Processor 105
- 5.17 Speakers 108
- Removing the Speakers 109
- Specifications 110
- (Continued) 111
- Table 6-2 112
- Table 6-3 113
- Table 6-4 114
- Hard Drives 114
- Table 6-5 115
- External AC Adapter 115
- Table 6-6 115
- 12-cell, Li-Ion Battery Pack 115
- Table 6-7 116
- 24X DVD/CD-RW Drive 116
- Table 6-8 117
- 24X CD-RW Drive 117
- Table 6-9 118
- 8X DVD-ROM Drive 118
- Table 6-10 119
- 24X CD-ROM Drive 119
- Table 6-11 120
- System DMA 120
- Table 6-12 121
- System Interrupts 121
- Table 6-13 122
- System I/O Addresses 122
- Table 6-14 125
- System Memory Map 125
- Connector Pin Assignments 126
- Table A-2 127
- RJ-11 Modem 127
- Table A-3 127
- Universal Serial Bus 127
- Table A-4 128
- Table A-5 128
- External Monitor 128
- Table A-6 129
- Audio Line-Out 129
- Table A-7 129
- Microphone 129
- Table A-8 130
- Parallel 130
- Power Cord Set Requirements 131
- Country-Specific Requirements 132
- Screw Listing 134
- Table C-1 135
- Phillips PM2.5×4.0 Screw 135
- Table C-2 136
- Phillips PM2.5×5.0 Screw 136
- Table C-3 140
- Phillips PM2.5×8.0 Screw 140
- (Continued) 145
- Table C-4 146
- Table C-5 147
- HM5.0×8.5 Standoff 147
- Table C-6 148
- Table C-7 149
- Phillips PM1.5×4.0 Screw 149
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