Troubleshooting Flowchart - Toshiba Satellite L670D Maintenance Manual

2 Troubleshooting Procedures
1. Display
2. USB Floppy Drive 6. Speaker/Head
3. Keyboard
4. USB ports
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. E-SATA HDD
12. HDMI
2.2

Troubleshooting Flowchart

If you know the location of the malfunction, turn directly to the appropriate section of this
chapter. If the problem is unspecified, use the flowchart in Figure 2-1 as a guide for
[CONFIDENTIAL]
5. Touch Pad
7. Optical Drive
8. Modem
Satellite L670D/L675D/ProL670D Series Maintenance Manual
9. Wireless LAN
10. Camera
11. Bluetooth
12. HDMI
13. MIC
14. E-SATA
15. LAN
3