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5.5.13 Removing/Replacing the Main Board
To remove and replace the Main Board Assembly, reference Figure 5-16 and
perform the following procedure:
1. Open up the base assembly as described in the previous paragraph
(Paragraph 5.5.6).
2. Remove the Keyscan Board, the IR Board, the Floppy Drive, the
Sound/PCMCIA Boards as described in previous paragraphs. Also
remove the Display Bezel (Paragraph 5.5.14) and remove the right
side screw from the DAB Board to free the grounding strap that
attaches to the Main Board.
3. Remove the LED Board and install on the replacement Main Board
Assembly.
4. Remove the Keyscan Board, the IR Board, the Floppy Drive, the
Sound/PCMCIA Boards as described in previous paragraphs.
5. Disconnect the LCD cables from P90 and P91 (upper center of the Main
Board).
6. Remove the six screws from around the perimeter of the Main Board.
7. Remove the screw holding the Latch Spring between the two metal
brackets at the top of the Main Board. Transfer this spring to the
replacement board.
8. Using tweasers, remove the connector door spring from the rear
connector doors and from around the plastic post near the top center
of the Main Board. Save this spring for later installation.
9. Replacement is essentially the reverse of Steps 1 through 8 above.
10. When installing the replacement Main Board, insert the front of the
board into the base at an angle and then set the board down over the
positioning pins built into the base. Ensure that the rear connector
doors are installed correctly (lip towards bottom of base), the Latch
Spring is correctly installed on the replacement Main Board, the door
spring hooked to each rear connector door and looped over the notch
at the base of the round plastic standoff. Also check that the heat
sink is correctly installed on the replacement board.
c
Caution: Ensure that you remove the protective plastic film on the top
of the heat sink on the replacement Main Board. Otherwise, proper
heat transfer will not occur that could damage the unit.
11. Replace all connectors and boards; ensure that connectors are snug.
Reattach the base cover, keyboard, grounding strap underneath the
right side of the DAB Board. Install the Display Bezel and verify that
the notebook is functioning properly.
5-22 Field Service
- TravelMate 5000 Series 1
- 2 Installation 4
- 3 Operating Instructions 5
- 4 Troubleshooting Procedures 5
- 5 Field Service 6
- E Screen Standards 8
- Illustrations 10
- Table Title Page No 13
- Introduction 15
- Intended Audience 15
- Contents 16
- Computer 17
- Ordering Parts and Supplies 17
- General Description 18
- 1-2 General Description 19
- 1.2 Product Overview 20
- 1.2.1 MultiMedia Features 21
- External PS/2 Mouse 22
- Pentium P54-C Processor 22
- (Internal) 22
- 1.2.3 Standard Peripherals 24
- 1.2.4 Preloaded Software 25
- FLASH ROM BIOS 26
- MS-DOS Operating System 26
- Diagnostics 26
- Sound Utilities 26
- Online Documentation 26
- 1.2.6 Expansion Capabilities 27
- General Description 1-11 28
- RS-232 Serial Port 30
- Two PCMCIA Slots 30
- (Type III) 30
- 1.3.1 CPU/RAM Subsystem 31
- 1.3.2 ROM Memory 32
- 1.3.3 Hard Disk Subsystem 33
- 1.3.5 Keyboard Subsystem 33
- Embedded Point Device 34
- 83/84 Key, 4mm Keyboard 34
- Point Select Buttons 34
- Special Function Key (Fn) 34
- 1.3.6 Video Display Subsystem 35
- 1.3.7 Sound Subsystem 35
- 1.3.8 External Ports 36
- Infrared Interface Port 37
- 1.4.1 Memory Expansion 38
- 1.4.5 Extra Battery Option 39
- 1.5 Standard Test Features 40
- 1.6 Product Models 41
- Cover-Display 43
- System Base Assembly 43
- 1.7.1 Cover-Display Assembly 44
- 1.7.2 System Base Assembly 45
- 1-30 General Description 47
- 1.8.1 System Processor 48
- 1.8.2 Memory Subsystem 48
- 1.8.3 I/O Subsystem 49
- 1.8.5 Video Subsystem 49
- 1.8.6 External VGA Capability 50
- 1.8.7 Sound Subsystem 50
- Select Switches 51
- 83/84 Key , 4mm Keyboard 51
- Figure 1-18 Keyboard Layout 52
- 1.8.10 Hard Disk Subsystem 54
- 1.8.12 Power Subsystem 55
- 1.8.12.1 AC Power Adapter 56
- 1.8.12.3 NVRAM Battery 56
- • +3 VDC at 3 Amps 57
- • +5 VDC at 5 Amps 57
- 1.9 TravelMate 5000 Series 58
- Notebook Specifications 58
- External Interfaces 59
- Characteristics Specification 59
- Power Subsystem 59
- Software 59
- Physical Characteristics 60
- Environmental Characteristics 60
- Agency Approvals 60
- Installation 61
- 2-2 Installation 62
- Options 63
- Expansion Module 65
- Telephone Jack Connection 66
- (PCMCIA Modem Option) 66
- (XJACK PCMCIA Option Shown) 66
- External Numeric Keypad 67
- Headphone Kit Option 68
- Port Replicator (Option) 69
- Adapter Connections for 70
- Packs 71
- Serial Port 72
- 25-Pin Parallel 72
- Bi-Directional Port 72
- Audio In 72
- 2.6.1 Installing an External 73
- Keyboard/Mouse/Keypad 73
- 2-14 Installation 74
- • External Modem 75
- • Serial Printer 75
- 2.6.5 Installing External 77
- Headphone/Microphones 77
- SPECIFICATIONS 78
- 2.8 Initial System Checkout 80
- 2.9 Configuring the System 80
- 2.10 Making Backups of System 81
- 2.12 Securing Notebook to 81
- Workstation 81
- Operating Instructions 82
- 3.2.1.1 LCD Controls 83
- 3.2.2 Cover Release Latches 84
- Select Buttons 85
- 3.4 Operating Procedures 88
- 3.4.2 Using Sound Utilities 89
- 3.4.3 Warm Start or Warm Boot 89
- 3.4.5 Minimizing Power Usage 89
- 3.4.6 Removing Battery Packs 90
- • Operational Notebook 92
- Troubleshooting Procedures 93
- Flow Chart 94
- 4.2.4 PCMCIA Modem Problems 102
- Interactive Tests 104
- 4.2.5.3 Running PC-Doctor 106
- 4.2.5.4 Quitting PC-Doctor 106
- Field Service 107
- Parts and Assemblies 109
- 5.4.1 Cover-Display Assembly 110
- 5.4.2 System Base Assembly 112
- 5.5 Notebook Sub-Assembly 115
- Removal and Replacement 115
- Procedures 115
- Assembly 116
- 121
- Keyscan Board 122
- Main Board Connector 122
- IR Board 123
- Floppy Drive Assembly 124
- LED Board Assembly 125
- Switch Board 126
- 5.5.12 Removing/Replacing the 127
- Sound/PCMCIA Board 127
- Grounding strap goes under 129
- Board to Cover Assembly 129
- Step 1: Remove two 130
- Snap On Plastic Hinge 130
- Step 3: Gently pry off the 130
- Display Bezel (held by clips) 130
- Shown with 132
- Display Bezel 132
- Removing the Hinge Screws 133
- Removing the Bezel 133
- Removing/Replacing Bezel 135
- Illustrated Parts Listing 136
- 6.2 TM5000 Pentium, 10.4 TFT 137
- 810HD, Domestic Notebook with 137
- Pack, P/N 9798842-0001 137
- Domestic Unit Assembly, P/N 139
- 9798843, Parts Listing 139
- Figure 6-2 140
- P/N 9798843 (Sheet 2 of 2) 140
- P/N 9798843, Parts Listing 141
- TM5000 Series Notebooks 146
- Listings 147
- Figure 6-5 161
- Figure 6-6 162
- (continued) 164
- Schematic Diagrams 187
- Figure 7-1 188
- To Be Supplied 209
- Figure 7-2 210
- Figure 7-3 222
- Figure 7-4 227
- Figure 7-5 228
- Figure 7-6 230
- Figure 7-7 232
- Logic Diagram (Sheet 1 of 1) 232
- Figure 7-8 233
- Figure 7-9 236
- Character Sets 238
- A-2 Character Sets 239
- Character Sets A-3 240
- A-4 Character Sets 241
- Character Sets A-5 242
- B.1 Introduction 243
- B-2 Keyboard Layouts 244
- Keyboard Layouts B-3 245
- B-4 Keyboard Layouts 246
- Keyboard Layouts B-5 247
- B-6 Keyboard Layouts 248
- PC-Doctor Diagnostics 249
- C.3 Keyboard Navigation 250
- C.4 Mouse Navigation 250
- C.5 PC-Doctor Menus 251
- C.5.3 Interactive Tests Menu 252
- C.5.4 Hardware Info Menu 253
- C.5.5 Utility Menu 253
- C.6 Quitting PC-Doctor 254
- C.7 Remote Operation 254
- Configuring Memory 255
- D.2.1 Extended Memory 256
- D.2.2 Expanded Memory 256
- D.3 Memory Device Drivers 257
- D.3.2 EMM386.EXE 258
- Screen Standards 259
- E.3 Extended VGA Modes 260
- E.4 Standard LCD Modes 263
- E.5 Extended LCD Modes 264
- E.6 Standard SimulSCAN Modes 264
- E.7 Extended SimulScan Modes 265
- Added Interrupt 15 Functions 266
- Get/Set Battery Status 268
- Call with: 269
- AH = F7h 269
- Get Model Information 270
- Get Standby Level 272
- Set Standby Level 272
- Get Extended Model ID 273
- Get RAM Information 274
- Get Video Information 274
- CY = Set on error (see AH) 276
- Get Setup Information 277
- BL = Setup Parameter 278
- BL = Setup Parameter (cont.) 279
- 76543210 279
- CY = Set on Error (see AH) 281
- BIOS Updates 282
- Alphabetical Index 283
- 2 Index 284
- Index 3 285
- Printed in U.S.A 286
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