Toshiba C70-A Series Maintenance Manual

Chapter 2
Troubleshooting Procedures
Chapter 2 Contents
2.1 Troubleshooting Introduction ...................................................................................... 4
2.2 Troubleshooting Flowchart ……………………………………………………………5
2.3 Power Supply Troubleshooting ……………………………………………………...11
2.4 Display Troubleshooting ..............................................................................................16
2.5 Keyboard Troubleshooting ......................................................................................... 19
2.6 External USB Devices Troubleshooting ......................................................................21
2.7 TV-tuner Troubleshooting ...........................................................................................23
2.8 TouchPad Troubleshooting ..........................................................................................24
2.9 Speaker Troubleshooting .............................................................................................27
2.10 Optical drive troubleshooting ......................................................................................29
2.11 Modem Troubleshooting …………………………………………… ……………….32
2.12 Express card Troubleshooting ......................................................................................34
2.13 Wireless LAN Troubleshooting ...................................................................................36
2.14 Camera Troubleshooting…………………………………………… ……………….38
2.15 Bluetooth Troubleshooting…………………...…………………………….……….. 40
2.16 Bridge Media slot Troubleshooting……………………………………………..……42
2.17 HDD/SSD Troubleshooting…………………………………………………………..44
2.18 CRT failure Troubleshooting ………………………………………………………. 46
2.19 HDMI CEC Troubleshooting ………………………………………………………...48
2.20 MIC Troubleshooting ………………………………………………………………. 50
2.21 Finger print Troubleshooting ……………………………………………………….. 52
2.22 E-SATA Troubleshooting ………………………………………….……………….. 54
2.23 Felica Troubleshooting ………………………….………………………………….. 56
2.24 JET Troubleshooting………..………..……………………………………...……….58
2.25 3D sensor troubleshooting process …………………………………………………..60
2.26 Sleep & charge Troubleshooting……………………………………………………..62
2.27 CIR Troubleshooting…………………………………………………………………64
2.28 Sleep & Play music Troubleshooting………….……………………………………. 66
2.29 Wimax Troubleshooting ..............................................................................................68
2.30 3G Troubleshooting…………………………………………………………………..70
2.31 LAN Troubleshooting………………………………………………...………………73
2.32 Ambient Light sensor Troubleshooting ……………….…………...………………75

Toshiba C70-A Series Specifications

General

Processor	Intel Celeron, Pentium, or Core i3/i5/i7 (varies by model)
Storage	500GB or 1TB HDD (varies by model)
Graphics	Intel HD Graphics (varies by model)
Optical Drive	DVD SuperMulti Drive
Connectivity	Wi-Fi 802.11b/g/n, Bluetooth 4.0 (varies by model)
Ports	USB 3.0, USB 2.0, HDMI, VGA, headphone/microphone combo jack