Troubleshooting Introduction - Toshiba Satellite A660-BT3G25X Maintenance Manual

2 Troubleshooting Procedures
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 7. Optical driver 13. HDMI CEC
8. Modem
2. Keyboard
3. USB ports 9. Express card
4. MIC 10.Wireless LAN 16. E-SATA
5. Touch Pad 11.Camera
6. Speaker 12.Bluetooth
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. Express card
4. Multimeter
5. External monitor
6. USB compatible keyboard
7. Multimedia sound system with line-in and line-out ports
8. Headphones
9. USB test module and USB cable
10. Music CD
11. MIC module and MIC line
12. Audio loopback
13. Finger print module
14. TV tuner signal generator
15. E-SATA HDD
16. Felica card
17. Remote controller
18. HDMI
19. CRT
SatelliteA660/ProA660 Series Maintenance Manual
4. TV-Tuner&B-Cas
19. 3D Sensor 20. Sleep & Charge
15. Finger printer 21. Bridge Media slot
22. Sleep & Play music 28. CIR
17. Felica card 23. Wimax
18. JET 24. 3G
25. LAN
26. Light sensor
27. HDD
4