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[CONFIDENTIAL]
PORTÉGÉ R400 Maintenance Manual (960-623)
Table of Contents
Chapter 1
Hardware Overview
1.1
Features
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1-1
1.2
System Unit Block Diagram
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1-8
1.3
3.5-inch Floppy Disk Drive (USB External)
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1-13
1.4
2.5-inch Hard Disk Drive
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1-14
1.5
1.8-inch Hard Disk Drive
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1-15
1.6
DVD-Super Multi Drive Optical Drive (ODD)
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1-16
1.7
Keyboard
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1- 17
1.8
TFT Color Display
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1- 18
1.9
Power Supply
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1- 19
1.10
Batteries
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1- 22
1.11
AC Adaptor
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1- 25
Chapter 2
Troubleshooting Procedures
2.1
Troubleshooting
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2-1
2.2
Troubleshooting Flowchart
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2-2
2.3
Power Supply Troubleshooting
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2-6
2.4
System Board Troubleshooting
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2-15
2.5
USB FDD Troubleshooting
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2-31
2.6
HDD Troubleshooting
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2-35
2.7
Keyboard and Dual point Troubleshooting
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2-40
2.8
Display Troubleshooting
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2-42
2.9
Optical Drive Troubleshooting
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2-44
2.10
LAN Troubleshooting
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2-46
2.11
Bluetooth Troubleshooting
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2-47
2.12
Wireless LAN Troubleshooting
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2-50
2.13
Sound Troubleshooting
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2-53
2.14
SDcard Slot Troubleshooting
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2-55