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[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
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1-14
1.3
Keyboard
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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
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2-1
2.2
Troubleshooting Flowchart
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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