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vi [CONFIDENTIAL] Satellite R20/TECRA M7 Maintenance Manual (960-572)
Table of Contents
Chapter 1 Hardware Overview
1.1 Features...................................................................................................................... 1-1
1.2 System block diagram................................................................................................ 1-8
1.3 2.5-inch Hard Disk Drive......................................................................................... 1-14
1.4 Optical Drive............................................................................................................ 1-17
1.5 Keyboard.................................................................................................................. 1-25
1.6 TFT Color Display...................................................................................................1-26
1.7 Power Supply........................................................................................................... 1-28
1.8 Batteries ................................................................................................................... 1-31
1.9 AC Adapter .............................................................................................................. 1-34
Chapter 2 Troubleshooting Procedures
2.1 Troubleshooting ......................................................................................................... 2-1
2.2 Troubleshooting Flowchart........................................................................................2-2
2.3 Power Supply Troubleshooting.................................................................................. 2-6
2.4 System Board Troubleshooting................................................................................ 2-16
2.5 USB 3.5” FDD Troubleshooting.............................................................................. 2-32
2.6 2.5” HDD Troubleshooting...................................................................................... 2-35
2.7 Keyboard Troubleshooting ...................................................................................... 2-40
2.8 Display Troubleshooting.......................................................................................... 2-41
2.9 Touch Pad Troubleshooting.....................................................................................2-43
2.10 Optical Drive Troubleshooting ................................................................................ 2-44
2.11 Modem Troubleshooting.......................................................................................... 2-45
2.12 Bluetooth Troubleshooting ...................................................................................... 2-47
2.13 LAN Troubleshooting.............................................................................................. 2-49
2.14 Sound Troubleshooting............................................................................................ 2-50
2.15 Bridge media Slot Troubleshooting......................................................................... 2-51
2.16 Tablet Pen Troubleshooting..................................................................................... 2-52
2.17 Wireless LAN Troubleshooting...............................................................................2-54
2.18 Fingerprint sensor Troubleshooting......................................................................... 2-56