Troubleshooting Introduction - Toshiba Satellite A350D Maintenance Manual

Tables
Table 2-1 Battery LED ....................................................................................................... 11
Table 2-2 DC-IN LED ........................................................................................................ 12
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
2. Keyboard
3. External USB
ports
4. Touch Pad
5. UWB
6. Speaker
The Diagnostics Disk operations are described in Chapter 3. Detailed replacement
procedures are given in Chapter 4.
The following tools are necessary for implementing the troubleshooting procedures:
1. Diagnostics Disk (Repair and Sound Repair)
2. USB Floppy driver
3. Phillips screwdriver (2 mm)
4. 6mm nut driver (for the helix screw nuts on the rear ports for CPU door)
5. 2DD or 2HD formatted work disk for floppy disk drive testing
6. Sycard (EXPRESS CARD test card)
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7. Optical drive 13. Bluetooth
8. Modem 14. 4in1 card
9. Express card
unit 15. HDD
10. IEEE 1394 port 16. CRT port
11. Wireless LAN 17. HDMI
12. Camera 18. SPDIF
4
2 Troubleshooting Procedures
19. MIC 25. Thermal
20. Finger print 26. TV-out
21. FM Tuner 27. LAN
22. E-SATA
23. Sensor
button
24. LED