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vi [CONFIDENTIAL] TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
Table of Contents
Chapter 1 Hardware Overview
1.1 Features...................................................................................................................... 1-1
1.2 2.5-inch Hard Disk Drive......................................................................................... 1-14
1.3 Keyboard.................................................................................................................. 1-16
1.4 Optical Drive............................................................................................................ 1-17
1.5 TFT Color Display...................................................................................................1-21
1.6 Power Supply........................................................................................................... 1-24
1.7 Batteries ................................................................................................................... 1-28
1.8 AC Adaptor..............................................................................................................1-30
Chapter 2 Troubleshooting Procedures
2.1 Troubleshooting ......................................................................................................... 2-1
2.2 Troubleshooting Flowchart........................................................................................ 2-3
2.3 Power Supply Troubleshooting.................................................................................. 2-7
2.4 System Board Troubleshooting................................................................................ 2-21
2.5 USB FDD Troubleshooting ..................................................................................... 2-45
2.6 HDD Troubleshooting ............................................................................................. 2-48
2.7 Keyboard and Touch pad Troubleshooting.............................................................. 2-53
2.8 Display Troubleshooting.......................................................................................... 2-56
2.9 Optical Drive Troubleshooting ................................................................................ 2-58
2.10 Modem Troubleshooting.......................................................................................... 2-60
2.11 LAN Troubleshooting.............................................................................................. 2-62
2.12 Bluetooth Troubleshooting ...................................................................................... 2-63
2.13 Wireless LAN Troubleshooting............................................................................... 2-65
2.14 Sound Troubleshooting............................................................................................2-67
2.15 SD card Slot Troubleshooting.................................................................................. 2-70
2.16 Fingerprint sensor Troubleshooting.........................................................................2-71