Toshiba Satellite L450 L450d Pro Maintanance Manual

							 
 
 
 
 
 
Toshiba Personal Computer Satellite  
Maintenance Manual 
 
 
 
 
 
 
 
 
 
 
TOSHIBA CORPORATION  
 
 
 
 
 
[CONFIDENTIAL]  
						

							 
ii                                                          [CONFIDENTIAL]     Satellite L450D / ProL450D Series Maintenance 
Manual 
 
 
 
 
 
 
Copyright 
© 2009 by Toshiba Corporation. All rights reserved.  Under the copyri\
ght laws, this manual 
cannot be reproduced in any form without the prior written permission of Toshiba.  No patent 
liability is assumed with respect to the use of the information contained herein. 
Toshiba Personal Computer Satellite Maintenance Manual 
First edition May. 2009 
Disclaimer 
The information presented in this manual has been reviewed and validated for accuracy.  The 
included set of instructions and descriptions are accurate for the Satel\
lite Series at the time of this 
manuals production.  However, succeeding computers and manuals are subject to change without 
notice.  Therefore, Toshiba assumes no liability for damages incurred directly or indirectly from 
errors, omissions, or discrepancies between any succeeding product and this manual. 
Trademarks 
IBM is a registered trademark, and OS/2 and PS/2 are trademarks of IBM Corporation. 
Microsoft, MS-DOS, Windows, DirectSound and DirectMusic are registered trademarks of 
Microsoft Corporation. 
Intel and Pentium are registered trademarks, and SpeedStep is a trademark of Intel Corporation. 
Sound Blaster is a registered trademark of Creative Technology Ltd. 
Centronics is a registered trademark of  Centronics Data Computer Corporation. 
Photo CD is a trademark of Eastman Kodak. 
All other properties are trademarks or registered trademarks of their respective holders.  
						

							  
Satellite L450D / ProL450D Series Maintenance Manual                    \
    [CONFIDENTIAL] iii 
Preface 
This maintenance manual describes how to perform hardware service maintenance for the Toshiba 
Personal Computer Satellite, referred to as the Satellite Series in this manual. 
The procedures described in this manual are intended to help service technicians isolate faulty 
Field Replaceable Units (FRUs) and replace them in the field. 
SAFETY PRECAUTIONS 
Four types of messages are used in this m

anual to bring important information to your attention.  
Each of these messages will be italicized and identified as shown below. 
DANGER:  “Danger” indicates the existence of a hazard that could result in \
death or 
serious bodily injury if the safety instruction is not observed. 
 
WARNING:  “Warning” indicates the existence of a hazard that could result in\
 bodily 
injury if the safety instruction is not observed. 
 
CAUTION:   “Caution” indicates the existence of a hazard that could result in\
 property 
damage if the safety instruction is not observed. 
 
NOTE:   “Note” contains general information that relates to your safe main\
tenance 
service. 
 
Improper repair of the computer may result in safety hazards. Toshiba requires service technicians 
and authorized dealers or service providers to en sure the following safety precautions are adhered 
to strictly. 
Be sure to fasten screws securely with the right screwdriver. If a screw\
 is not fully fastened, it could come loose, creating a danger of a short circuit, which could cause overhea\
ting, 
smoke or fire. 
If you replace the battery pack or RTC battery, be sure to use only the \
same model battery or  an equivalent battery recommended by Toshiba. Installation of the wrong battery can 
cause the battery to explode. 
  
						

							 
iv                                                          [CONFIDENTIAL]     Satellite L450D / ProL450D Series Maintenance 
Manual 
The manual is divided into the following parts:  Chapter 1  Hardware Overview describes the Satellite Series system unit and each  FRU. 
Chapter 2  Troubleshooting Procedures explains how to diagnose and resolve FRU  problems. 
Chapter 3  Test and Diagnostics describes how to perform test and diagnostic  operations for maintenance service. 
Chapter 4  Replacement Procedures describes the removal and replacement of the  FRUs. 
Appendices  The appendices describe the following:    Handling the LCD module 
Board layout 
Pin assignments 
Keyboard scan/character codes 
Key layout 
Screw torque list 
Reliability 
 
Conventions 
This manual uses the following form
 ats to describe, identify, and highlight terms and operating 
procedures. 
Acronyms 
On the first appearance and whenever necessary for clarification, acrony\
ms are enclosed in 
parentheses following their definition. For exam

ple: 
  Read Only Memory (ROM) 
Keys 
Keys are used in the text to describe many operations. The key top sym
 bol as it appears on the 
keyboard is printed in  boldface type.  
						

							  
Satellite L450D / ProL450D Series Maintenance Manual                    \
    [CONFIDENTIAL] v 
Key operation 
Some operations require you to simultaneously use two or more keys. We identify such operations 
by the key top symbols separated by a plus (+) sign. For example, Ctrl + Pause (Break) means 
you must hold down Ctrl  and at the same time press Pause (Break) . If three keys are used, hold 
down the first two and at the same time press the third. 
User input 
Text that you are instructed to type in is shown in the boldface type be\
low:  
  DISKCOPY  A:  B: 
The display 
Text generated by the computer that appears on its display is presented in the typeface below: 
Format complete 
System transferred 
 
   
						

							 
vi                                                          [CONFIDENTIAL]     Satellite L450D / ProL450D Series Maintenance 
Manual 
Table of Contents 
Chapter 1  Hardware Overview 
1.1
 Features ........................................................................\
......Error! Bookmark not defined. 
1.2 2.5-inch HDD.....................................................................Error! Bookmark not defined. 
1.3 DVD Super Multi (+-R Double Layer) .............................Error! Bookmark not defined. 
1.4 Power Supply .....................................................................Error! Bookmark not defined. 
1.5 Batteries ........................................................................\
.....Error! Bookmark not defined. 
1.5.1 Main Battery........................................................Error! Bookmark not defined. 
1.5.2 Battery Charging Control ....................................Error! Bookmark not defined. 
1.5.3 RTC Battery ........................................................Error! Bookmark not defined. 
 
 Chapter 2  Troubleshooting Procedures 
2.1 Troubleshooting Introduction ............................................Error! Bookmark not defined.  
2.2 Troubleshooting Flowchart ................................................ Error! Bookmark not defined. 
2.3  Power Supply Troubleshooting ......................................... Error! Bookmark not defined. 
2.4 Display Troubleshooting ................................................... Error! Bookmark not defined. 
2.5 Keyboard Troubleshooting ................................................ Error! Bookmark not defined. 
2.6   External USB Devices Troubleshooting................................ Error! Bookmark not defined. 
2.7 Touchpad Troubleshooting ................................................ Error! Bookmark not defined. 
2.8 Speaker Troubleshooting ................................................... Error! Bookmark not defined. 
2.9  Optical drive troubleshooting ............................................ Error! Bookmark not defined. 
2.10 Modem Troubleshooting.................................................... Error! Bookmark not defined. 
2.11  Wireless LAN Troubleshooting ......................................... Error! Bookmark not defined. 
2.12 Camera Troubleshooting.................................................... Error! Bookmark not defined. 
2.13  3 in 1 card Troubleshooting ............................................... Error! Bookmark not defined. 
2.14 HDD Troubleshooting ....................................................... Error! Bookmark not defined. 
2.15 CRT Port Troubleshooting...........................................\
.......... Error! Bookmark not defined. 
2.16 HDMI Troubleshooting ..................................................... Error! Bookmark not defined.  
						

							  
Satellite L450D / ProL450D Series Maintenance Manual                    \
    [CONFIDENTIAL] vii 
2.17 MIC troubleshooting process …………………………\
……………………………….. 42 
2.18 Thermal Module troubleshooting .......................................... Error! Bookmark not defined. 
2.19 LAN troubleshooting ............................................................. Error! Bookmark not defined. 
 
Chapter 3  Tests and Diagnostics 
3.1  The Diagnostic Test ............................................................. Error! Bookmark not defined. 
3.2  Executing the Diagnostic Test ............................................. Error! Bookmark not defined. 
3.3 Display Configuration ......................................................... Error! Bookmark not defined. 
3.4  Beep sound Test ................................................................... Error! Bookmark not defined. 
3.5  Fan ON/OFF Test ........................................................................\
........................................ 10 
3.6 
 Main Battery Charge Test ........................................................................\
............................ 12 
3.7 FDD 
 Test........................................................................\
........................................... ....... …13 
3.8 Mem
 ory Check...................................................................\
............................................ ...... 14 
3.9 Keyboard 
 Test ........................................................................\
...................................... ........ 17 
3.10 
 Mouse (Pad) Test ........................................................................\
.................................. ....... 19 
3.11 
 LCD Pixels Mode Test ........................................................................\
................................ 20 
3.12 
 Magnetic switch Test ........................................................................\
................................... 21 
3.13 LAN 
 Test ........................................................................\
.......................................... ........... 23 
3.14 RTC 
 Test ........................................................................\
.......................................... ............ 26 
3.15 
 Read 1394 GUID ........................................................................\
......................................... 27 
3.16     Speaker EQ Check…………...………….…….…\
…………..……………...……………28 
3.17     Button Test…………..………………………\
.………….……………….….…. ……….28 
3.18     Front edge Logo Check

........................................................................\
.............................. ..29 
3.19    1st HDD Test  ……………………………....…\
………….……………....….…………..32 
3.20    2
nd HDD Test  ……………………………....…………\
….……………....….…………..34 
3.21    RDMI Test ………………...…………………\
……….………………...…..……………38 
3.22    WDMI Test     …………….…………………………\
….…………….…....….………… 38 
 
 
  
						

							 
viii                                                          [CONFIDENTIAL]     Satellite L450D / ProL450D Series Maintenance 
Manual 
 
Chapter 4  Replacement Procedures 
4.1
 General ........................................................................\
.......Error! Bookmark not defined. 
Safety Precautions .............................................................. Error! Bookmark not defined. 
Before You Begin ..............................................................Error! Bookmark not defined. 
Disassembly Procedures.....................................................Error! Bookmark not defined. 
Assembly Procedures .........................................................Error! Bookmark not defined. 
Tools and Equipment .........................................................Error! Bookmark not defined. 
Screw Tightening Torque...................................................Error! Bookmark not defined. 
Colors of Screw Shanks .....................................................Error! Bookmark not defined. 
Symbols of Screws on the Laptop Body ............................Error! Bookmark not defined. 
Symbol examples ...............................................................Error! Bookmark not defined. 
4.2 Battery........................................................................\
........Error! Bookmark not defined. 
Removing the Battery Pack................................................ Error! Bookmark not defined. 
Installing the Battery Pack .................................................Error! Bookmark not defined. 
4.3 HDD ........................................................................\
...........Error! Bookmark not defined. 
Removing the HDD............................................................ Error! Bookmark not defined. 
Installing the HDD .............................................................Error! Bookmark not defined. 
4.4 Memory........................................................................\
......Error! Bookmark not defined. 
Removing the Optional Memory ....................................... Error! Bookmark not defined. 
Installing the Optional Memory ......................................... Error! Bookmark not defined. 
4.5 WLAN Card....................................................................... Error! Bookmark not defined. 
Removing the WLAN Card................................................ Error! Bookmark not defined. 
Installing the WLAN Card .................................................Error! Bookmark not defined. 
4.6 Modem Card (BTO)...........................................................Error! Bookmark not defined. 
Removing the Modem Card ............................................... Error! Bookmark not defined. 
Installing the Modem Card.................................................Error! Bookmark not defined. 
4.7 ODD ........................................................................\
...........Error! Bookmark not defined. 
Removing the ODD Bay Module....................................... Error! Bookmark not defined. 
Installing the ODD Bay Module ........................................Error! Bookmark not defined.  
						

							  
Satellite L450D / ProL450D Series Maintenance Manual                    \
    [CONFIDENTIAL] ix 
Disassembling the ODD Drive...........................................Error! Bookmark not defined. 
Assembling the ODD Drive ...............................................Error! Bookmark not defined. 
4.8 Keyboard Cover and Keyboard .........................................Error! Bookmark not defined. 
Removing the Keyboard Cover and Keyboard .................. Error! Bookmark not defined. 
Installing the keyboard Cover and Keyboard.....................Error! Bookmark not defined. 
4.9 Logic Upper Assembly ......................................................Error! Bookmark not defined. 
Removing the Logic Upper Assembly ............................... Error! Bookmark not defined. 
Installing the Logic Upper Assembly ................................Error! Bookmark not defined. 
4.10 Power Board.............................................................\
..........Error! Bookmark not defined. 
Removing the Power Board ............................................... Error! Bookmark not defined. 
Installing the power switch board ......................................Error! Bookmark not defined. 
4.11 Speakers ........................................................................\
.....Error! Bookmark not defined. 
Removing the Speakers ...................................................... Error! Bookmark not defined. 
Installing the Speakers .......................................................Error! Bookmark not defined. 
4.12 Touch Pad Bracket .............................................................Error! Bookmark not defined. 
Removing the Touch Pad Bracket...................................... Error! Bookmark not defined. 
Installing the Touch Pad Bracket .......................................Error! Bookmark not defined. 
4.13 Thermal Fan .......................................................................Error! Bookmark not defined. 
Removing the Thermal Fan ................................................ Error! Bookmark not defined. 
Installing the Thermal Fan .................................................Error! Bookmark not defined. 
4.14 Motherboard.......................................................................Error! Bookmark not defined. 
Removing the Motherboard ............................................... Error! Bookmark not defined. 
Installing the Motherboard .................................................Error! Bookmark not defined. 
4.15 CPU and Thermal Module .................................................Error! Bookmark not defined. 
Removing CPU and Thermal Module................................ Error! Bookmark not defined. 
Installing CPU and Thermal Module .................................Error! Bookmark not defined. 
4.16 Display Assembly ..............................................................Error! Bookmark not defined. 
Removing the Display Assembly ....................................... Error! Bookmark not defined. 
Installing the Display Assembly ........................................Error! Bookmark not defined. 
4.17 LCD Bezel Assembly ........................................................Error! Bookmark not defined. 
Removing the LCD Bezel Assembly ................................. Error! Bookmark not defined.  
						

							 
x                                                          [CONFIDENTIAL]     Satellite L450D / ProL450D Series Maintenance 
Manual 
Installing the Display Mask ...............................................Error! Bookmark not defined. 
4.18 LCD Module and Inverter Board .......................................Error! Bookmark not defined. 
Removing the LCD Module and Inverter Board................ Error! Bookmark not defined. 
Installing the LCD Module and Inverter Board .................Error! Bookmark not defined. 
4.19 Camera (BTO) ...................................................................Error! Bookmark not defined. 
Removing the Camera ........................................................ Error! Bookmark not defined. 
Installing the Camera .........................................................Error! Bookmark not defined. 
4.20 Hinge Saddle ......................................................................Error! Bookmark not defined. 
Removing the Hinge Saddle............................................... Error! Bookmark not defined. 
Installing the Hinge Saddle ................................................Error! Bookmark not defined. 
4.21 USB Board ........................................................................\
.Error! Bookmark not defined. 
Removing the USB Board.................................................. Error! Bookmark not defined. 
Installing the USB Board ...................................................Error! Bookmark not defined. 
4.22 RJ11 Jack ........................................................................\
...Error! Bookmark not defined. 
Removing the RJ11 Jack .................................................... Error! Bookmark not defined. 
Installing the RJ11 Jack .....................................................Error! Bookmark not defined. 
 
 
Figures 
Figure 4.1   Removing the Battery Pack ........................................................................\
......... 4-8 
Figure 4.2   Removing the HDD door ........................................................................\
........... 4-10 
Figure 4.3   Removing the HDD plate ........................................................................\
.......... 4-11 
Figure 4.4   Removing the RAM door ........................................................................\
.......... 4-13 
Figure 4.5   Removing the RAM from the laptop ................................................................. 4-14 
Figure 4.6   Removing the ODD Bay module ....................................................................... 4-16 
Figure 4.7   Removing the bracket from the ODD drive....................................................... 4-17 
Figure 4.8   Removing the keyboard cover ........................................................................\
... 4-19 
Figure 4.9   Removing screws from the keyboard ................................................................ 4-20 
Figure 4.10   Removing the keyboard ........................................................................\
............. 4-21 
Figure 4.11   Removing the WLAN card ........................................................................\
........ 4-22