Compaq nc4010 - Notebook PC Dokumentacja Strona 52
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Troubleshooting
Maintenance and Service Guide 2–25
Flowchart 2.15—No Audio, Part 1
No audio.
N
Notebook in
Port Replicator
(if applicable)?
Internal
audio?
Audio? Done
Undock
Audio? Done
Turn up audio
internally or
externally.
Go to
“Flowchart 2.16—No
Audio, Part 2”
Go to
“Flowchart
2.16—No Audio,
Part 2”
Go to
“Flowchart
2.17—Nonfunc-
tioning Device”
Replace the following Port Replicator
components one at a time, as applicable.
Check audio status after each change.
1. Port Replicator audio cable
2. Audio cable
3. Speaker
4. Port Replicator audio board
5. Backplane board
6. I/O board
Y
Y
Y
Y
N
N
N
- Maintenance and Service 1
- Maintenance and Service Guide 2
- Fourth Edition: July 2006 2
- First Edition: May 2003 2
- Contents 3
- 3 Illustrated Parts Catalog 4
- 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 10
- (Continued) 11
- 1.2 Features 13
- Product Description 14
- 1.3 Clearing a Password 15
- 1.4 Power Management 15
- 1.5 External Components 16
- Table 1-4 18
- Rear and Left-Side Components 18
- Table 1-5 20
- Keyboard Components 20
- Table 1-6 22
- Top Components 22
- Table 1-7 24
- Bottom Components 24
- 1.6 Design Overview 27
- Troubleshooting 28
- Utilities 29
- Selecting from the File Menu 30
- Table 2-2 31
- Security Menu 31
- Table 2-3 32
- Advanced Menu 32
- Configuration Information 34
- Test Information 35
- Table 2-4 37
- Flowchart Description 37
- External 41
- Internal 41
- (if applicable) 45
- DVD-ROM Drive 51
- Illustrated Parts Catalog 58
- 3.2 Notebook Major Components 59
- Major Components 59
- Table 3-1 60
- Continued 62
- Components 66
- Table 3-2 67
- Spare Part Number 325528-001 67
- Table 3-3 69
- 3.5 Miscellaneous 70
- Removal and Replacement 72
- Preliminaries 72
- 4.2 Service Considerations 73
- 4.3 Preventing Damage to 74
- Removable Drives 74
- Precautions 75
- 4.6 Workstation Precautions 76
- 4.7 Grounding Equipment and 77
- Procedures 80
- 5.1 Serial Number 81
- Table 5-1 82
- Disassembly Sequence Chart 82
- Disassembly 83
- 1 to the right. The 84
- Removing the Battery Pack 84
- Removing the Hard Drive 85
- 325528-001 86
- 5.4 Notebook Feet 89
- 5.5 Memory Module 90
- Removing a Memory Module 92
- Spare Part Number Information 93
- 5.7 LED Switch Cover 97
- Removing the LED Switch Cover 99
- 5.8 Keyboard 100
- Removing the Keyboard Screw 101
- Releasing the Keyboard 102
- Removing the Keyboard 103
- 5.9 TPM Security Module 105
- 5.10 Smart Card Reader 106
- 5.11 Fan 107
- Removing the Fan 108
- 5.12 Heat Sink 109
- Removing the Heat Sink Screws 110
- Removing the Heat Sink 112
- 5.13 Processor 114
- Removing the Processor 115
- 5.14 Display Assembly 117
- Removing the Hinge Covers 119
- Removing the Antenna Cables 120
- Assembly Screws 121
- 5.15 Top Cover 122
- ❏ Eight T8M2.0×8.0 screws 3 123
- Removing the Top Cover Screws 123
- Removing the Top Cover 125
- ❏ Keyboard (Section 5.8) 126
- ❏ Top cover (Section 5.15) 126
- 5.17 TouchPad 128
- Removing the TouchPad Screws 129
- Removing the TouchPad Bracket 130
- Removing the TouchPad 131
- 5.18 RTC Battery 132
- 5.19 Speaker/Microphone 133
- 5.20 Switch Board 134
- Removing the Switch Board 135
- 5.21 System Board 136
- Removing the System Board 138
- 5.22 Modem Board 139
- Removing the Modem Board 140
- Specifications 141
- Table 6-2 143
- 12.1.0-inch XGA, TFT Display 143
- Table 6-3 144
- Hard Drives 144
- Table 6-4 145
- External AC Adapter 145
- Table 6-5 145
- Table 6-6 146
- Table 6-7 147
- System DMA 147
- Table 6-8 148
- System Interrupts 148
- Table 6-9 149
- System I/O Addresses 149
- Table 6-10 152
- System Memory Map 152
- Connector Pin Assignments 153
- Table A-2 154
- RJ-11 Modem 154
- Table A-3 154
- Universal Serial Bus 154
- Table A-4 155
- Table A-5 156
- External Monitor 156
- Table A-6 157
- Stereo Speaker/Headphone 157
- Table A-7 157
- Microphone 157
- Power Cord Set Requirements 158
- Country-Specific Requirements 159
- Screw Listing 161
- Table C-1 162
- Phillips PM2.5×3.0 Screw 162
- Table C-2 163
- Torx T5 M2.5×4.5 Screw 163
- Table C-3 164
- Phillips PM2.5×3.5 Screw 164
- Table C-4 165
- Table C-5 166
- Table C-6 167
- Phillips PM2.0×4.0 Screw 167
- (Continued) 168
- Table C-7 170
- Table C-8 173
- Torx T8 M2.0×8.0 Screw 173
- Table C-9 177
- Table C-10 178
- Torx T8 M2.0×4.0 Screw 178
- Table C-11 181
- Torx T8 M2.0×6.0 Screw 181
- Table C-13 183
- Phillips PM1.5×3.0 Screw 183
- FN key 1–14 186
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