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