2 Troubleshooting Procedures
Satellite A660/A665 Series Maintenance Manual
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:
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. Phillips screwdriver (3.5 mm)
2. 2DD or 2HD formatted work disk for floppy disk drive testing
3. Multimeter
4. External monitor
5. USB compatible keyboard
6. Multimedia sound system with line-in and line-out ports
7. Headphones
8. USB test module and USB cable
9. Music CD
10. MIC module and MIC line
11. Audio loop back
12. Finger print module
13. TV tuner signal generator
14. USB3.0 HDD
15. Felica card
16. Remote controller
17. HDMI
18. CRT