Texas Instruments 5000 Bedienungsanleitung Seite 131
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5.5.15 Removing and Replacing the DAB
Board
To remove the DAB Board, refer to Figure 5-18 and perform the following
procedure:
1. Turn off the computer, remove the battery packs and disconnect the
ac power adapter (if it is attached).
2. Remove the Display Bezel as described in paragraph 5.5.14.
c
Caution: If the notebook is powered up with the LCD bezel removed,
you can be exposed to high voltages which could result in shock and
equipment damage. Ensure that the batteries and AC adapter are re-
moved from the notebook when working on the LCD/Display assembly.
3. Peel back the protective insulator from the DAB Board.
4. Remove the two screws that secure the DAB board to the cover.
Carefully disconnect all cables that mate with the DAB Board.
n
Note: The display cable connects on the bottom side of the board with a ZIF
connector.
5. Remove the DAB Board protective insulator from the cover.
6. To install a replacement DAB Board, reverse steps 1 through 4 above.
Carefully insert the video cable (ribbon cable) into the ZIF connector
on the DAB Board (unlock the connector, insert the cable and then
lock the connector) and insert the small connector on Connector J2
on the Power Inverter Board. Ensure that the grounding strap is
placed underneath the right side of the DAB board and tightly
secured by the right side screw. Tighten down the DAB Board, secure
the DAB Board insulator to the top of the board, and replace the LCD
plastic bezel.
Field Service 5-25
- 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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