2.1 Troubleshooting Introduction 2 Troubleshooting Procedures
Tecra A3/S2 Series Maintenance Manual 2-1

2.1 Troubleshooting Introduction

Chapter 2 describes how to determine if a Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. The FRUs covered are:
1. Display 6. Printer (parallel) port 11. PCMCIA unit
2. USB Floppy Drive 7. TouchPad 12. IEEE 1394 port
3. Keyboard 8. Speaker 13. Wireless LAN system
4. USB ports 9. Optical drive
5. TV-out port 10. Modem
The Diagnostics Disk operations are described in Chapter 3. Detailed replacem ent procedures
are given in Chapter 4.
The following tools are necessary for implementing the troubleshooting procedures:
1. Diagnostics Disk (Repair and Sound Repair)
2. Phillips screwdriver (2 mm)
3. 6mm nut driver (for the helix screw nuts on the rear ports for CPU door)
4. 2DD or 2HD formatted work disk for floppy disk drive testing
5. Printer port loopback connector
6. Sycard (PCMCIA test card)
7. Cleaning kit for floppy disk drive troubleshooting
8. Cleaning kit for optical drive troubleshooting
9. Multimeter
10. External monitor
11. USB compatible keyboard
12. Multimedia sound system with line-in and line-out ports
13. Headphones
14. USB test module and USB cable
15. Music CD