HP DV4200 Manual do Utilizador Página 129
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Removal and Replacement Procedures
Maintenance and Service Guide 5–23
✎
The following screws should be removed and installed in the
1, 2, 3, 4 sequence stamped on the heat sink.
5. Remove the 4 Phillips PM2.0×12.0 spring-loaded shoulder
screws 1 that secure the heat sink to the computer.
✎
Due to the adhesive quality of the thermal paste located
between the heat sink and processor, it may be necessary to
move the heat sink from side to side to detach the heat sink
from the processor.
6. Remove the heat sink 2.
Removing the Heat Sink
- Maintenance and Service 1
- Contents 3
- 3 Illustrated Parts Catalog 4
- 1.1 Features 8
- ±RW and CD-RW Combo Drive 9
- Product Description 10
- 1.2 Resetting the Computer 11
- 1.3 Power Management 12
- 1.4 External Components 13
- Table 1-2 15
- HP Compaq nx7220 16
- Table 1-3 17
- Right-Side Components 17
- Table 1-4 18
- Standard Keyboard Components 22
- Table 1-6 23
- Table 1-7 24
- Table 1-8 27
- Top Components 27
- Table 1-9 28
- Table 1-11 30
- Bottom Components 30
- 1.5 Design Overview 32
- Troubleshooting 33
- Accessing Computer Setup 34
- Computer Setup Defaults 34
- Selecting from the File Menu 35
- Table 2-2 36
- Security Menu 36
- Selecting from the Tools Menu 37
- Table 2-4 38
- Advanced Menu 38
- Table 2-5 39
- “Flowchart 45
- 2.4—No Power 45
- Part 3.” 45
- 2.7—No Video 46
- Part 2.” 46
- (if applicable) 48
- 2.11—No OS 52
- Loading 52
- Hard Drive, Part 2.” 52
- 2.15—No Audio 56
- Part 1.” 56
- Operating System 57
- (OS) Loading.” 57
- Connection 60
- Illustrated Parts Catalog 61
- 3.2 Computer Major Components 62
- Table 3-1 63
- 3.3 Display Assembly 78
- Subcomponents: HP Pavilion 78
- Table 3-2 79
- HP Pavilion dv4200 79
- Display Assembly Subcomponent 79
- 3.4 Display Assembly 80
- V4200 and HP Compaq nx7220 80
- Table 3-3 81
- Spare Part Information 82
- Table 3-4 83
- 3.6 Miscellaneous Cable Kit 84
- Table 3-5 85
- Miscellaneous Cable Kit 85
- Spare Part Number 383468-001 85
- 3.7 Mass Storage Devices 86
- Table 3-6 87
- Mass Storage Devices 87
- Table 3-7 88
- Table 3-8 90
- Preliminaries 99
- 4.2 Service Considerations 100
- Removal and Replacement 107
- Procedures 107
- 5.1 Serial Number 108
- Disassembly Sequence Chart 109
- (Continued) 110
- Disassembly 111
- Removing the Battery Pack 112
- 5.4 Hard Drive 113
- Removing the Hard Drive Cover 114
- Removing the Hard Drive 115
- Removing the Hard Drive Frame 116
- 5.5 Computer Feet 117
- HP Compaq nx7220 Models 118
- 5.6 Optical Drive 119
- Removing the Optical Drive 120
- 5.7 Memory Module 121
- Removing the Memory Module 123
- 5.8 Mini PCI Communications 124
- 5.9 RTC Battery 126
- 5.10 Heat Sink 127
- Removing the Thermal Cover 128
- Removing the Heat Sink 129
- Thermal Paste Locations 130
- 5.11 Processor 131
- Removing the Processor 132
- 5.12 Switch Cover 133
- Releasing the Switch Cover 135
- 5.13 Keyboard 136
- Removing the Keyboard Screws 137
- Releasing the Keyboard 138
- 6. Remove the keyboard 139
- 8. Remove the switch cover 2 140
- 5.14 Display Assembly 141
- Removing the Display Screws 142
- Removing the Display Assembly 144
- Spare Part Number Information 148
- HP Pavilion dv4200 Models 151
- 397925-001 157
- 5.15 Top Cover 158
- 3. Remove the following: 159
- 5.16 Base Enclosure 162
- 5.17 Modem Board 166
- Removing the Modem Board 167
- 5.18 System Board 168
- USB board frame 173
- HP Compaq nx7220 models 179
- 5.19 PC Card Assembly 182
- Removing the PC Card Assembly 184
- 5.20 Fan Assembly 185
- 5. Remove the fan assembly 3 186
- 7. Remove the fan 2 187
- 5.21 Speakers 188
- Removing the Speakers 189
- 5.22 USB Board 190
- HP Compaq nx7220 V4200 Models 191
- Removing the USB Board 192
- 5.23 Bluetooth Module 193
- Removing the Bluetooth Module 194
- Specifications 195
- Table 6-2 197
- 15.4-inch, WXGA, TFT Display 197
- Table 6-3 198
- Hard Drives 198
- Table 6-4 200
- Table 6-5 201
- DVD/CD-RW Combo Drive 201
- Table 6-6 202
- RW and CD-RW Combo Drive 202
- Table 6-7 204
- System DMA 204
- Table 6-8 205
- System Interrupts 205
- Table 6-9 207
- System I/O Addresses 207
- Table 6-10 210
- System Memory Map 210
- Connector Pin Assignments 211
- Table A-2 212
- Audio-In (Microphone) 212
- Table A-3 212
- Universal Serial Bus 212
- Table A-4 213
- External Monitor 213
- Table A-5 214
- RJ-45 (Network) 214
- Table A-6 215
- RJ-11 (Modem) 215
- S-Video-Out 216
- Table A-7 216
- Power Cord Set Requirements 217
- General Requirements 218
- Country-Specific Requirements 219
- Screw Listing 221
- Table C-1 222
- Phillips PM2.0×5.0 Screw 222
- Table C-2 223
- Phillips PM2.5×4.0 Screw 223
- Table C-3 224
- Phillips PM2.5×7.0 Screw 224
- (Continued) 225
- Table C-4 235
- Phillips PM2.5×5.0 Screw 235
- Table C-5 237
- Table C-6 238
- Table C-7 239
- Table C-8 240
- Phillips PM2.0×4.0 Screw 240
- Table C-9 250
- Phillips PM2.0×16.0 Screw 250
- Table C-10 251
- Phillips PM2.5×8.0 Screw 251
- Table C-11 252
- Phillips PM1.5×4.0 Screw 252
- Display Component Recycling 253
- Removing the Display Bezel 256
- Removing the Display Inverter 257
- Removing the Display Frame 260
- Removing the Backlight Cover 261
- Removing the Backlight Frame 263
- Removing the Backlight 264
- Releasing the LCD Panel 265
- 23. Remove the LCD panel 266
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