Troubleshooting procedures, Field service, 5 troubleshooting procedures – Texas Instruments EXTENSA 570CD User Manual
Page 5: 6 field service
4.2.4 . . . Hard Disk Subsystem . . . . . . . . . . . . . . . . . . . . . 4-6
4.2.5 . . . Floppy Diskette Drive Subsystem . . . . . . . . . . . . . 4-7
4.2.6 . . . CD-ROM Subsystem . . . . . . . . . . . . . . . . . . . . . . 4-7
4.2.7 . . . PCMCIA Subsystem . . . . . . . . . . . . . . . . . . . . . . . 4-7
4.2.8 . . . Sound Subsystem (Model Dependent) . . . . . . . . . 4-8
4.2.9 . . . Power Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
5.1 . . . . General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.2 . . . . Overview of Fault Isolation Process . . . . . . . . . . . . . . 5-1
5.3 . . . . Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . 5-3
5.3.1 . . . Troubleshooting a Power Supply Problem. . . . . . . 5-3
5.3.2 . . . Troubleshooting a Display Problem . . . . . . . . . . . 5-5
5.3.3 . . . Fault Isolation Using Self Test . . . . . . . . . . . . . . . 5-5
5.3.4 . . . PCMCIA Modem Problems . . . . . . . . . . . . . . . . . . 5-5
5.3.5 . . . Fault Isolation Using Diagnostics . . . . . . . . . . . . 5-6
6.1 . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.2 . . . . Preventive Maintenance. . . . . . . . . . . . . . . . . . . . . . . 6-1
6.2.1 . . . Cleaning the Computer . . . . . . . . . . . . . . . . . . . . 6-1
6.2.2 . . . Protecting the Disk Drives . . . . . . . . . . . . . . . . . . 6-1
6.2.3 . . . Handling the Computer Battery Pack . . . . . . . . . . 6-2
6.2.4 . . . Restoring System Software . . . . . . . . . . . . . . . . . . 6-2
6.3 . . . . Required Tools and Equipment . . . . . . . . . . . . . . . . 6-2
6.4 . . . . Notebook Field-Replaceable Parts and Assemblies . . . 6-3
6.4.1 . . . Cover-Display Assembly. . . . . . . . . . . . . . . . . . . . 6-3
6.4.2 . . . System Base Assembly . . . . . . . . . . . . . . . . . . . . . 6-5
6.5 . . . . FRU Removal and Replacement Procedures. . . . . . . . 6-8
6.5.1 . . . Removing/Replacing the Notebook Battery Pack . 6-8
6.5.2 . . . Removing/Replacing the Floppy Drive/CD-ROM . 6-8
6.5.3 . . . Removing/Replacing the Hard Drive . . . . . . . . . . 6-9
6.5.4 . . . Removing/Replacing DIMM Modules . . . . . . . . . . 6-9
6.5.5 . . . Removing/Replacing the Keyboard Assembly . . . 6-10
6.5.6 . . . Removing/Replacing the Display Assembly . . . . . 6-11
Contents v