Troubleshooting Introduction; Figure - Toshiba Satellite L670D Maintenance Manual

2 Troubleshooting Procedures
Figures

Figure 2-1

Troubleshooting Flowchar(1/2) ......................................................5
Figure 2-1 Troubleshooting Flowchart (2/2) ......................................................6
Figure 2-2 Power Supply Troubleshooting Process..............................................9
Figure 2-3 Display Troubleshooting Process.................................................................... 14
Figure 2-4 Keyboard Troubleshooting Process................................................................. 17
Figure 2-5 External USB Device Troubleshooting Process.............................................. 19
Figure 2-6 TouchPad Troubleshooting Process ................................................................ 21
Figure 2-7 Speaker Troubleshooting Process ................................................................... 23
Figure 2-8 Optical Drive Troubleshooting Process .......................................................... 25
Figure 2-9 Modem Troubleshooting Process.....................................................28
Figure 2-10 Wireless LAN Troubleshooting Process.............................................30
Figure 2-11 Camera Troubleshooting Process....................................................32
Figure 2-12 Bluetooth Troubleshooting Process...................................................34
Figure 2-13 3 in 1 Card TroubleshootingProcess..................................................36
Figure 2-14 HDD Troubleshooting Process........................................................38
Figure 2-15 CRT Failure Troubleshooting Process ...............................................40
Figure 2-16 HDMI Troubleshooting Process ......................................................42
Figure 2-17 MIC Troubleshooting Process ........................................................44
Figure 2-18 E-SATA Troubleshooting Process ....................................................46
Figure 2-19 LAN Troubleshooting Process .........................................................48
Tables
Table 2-1 Battery LED ....................................................................................................... 10
Table 2-2 DC-IN LED ........................................................................................................ 11
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:
Satellite L670/L675/ProL670 Series Maintenance Manual
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