Toshiba Satellite L450 L450d Pro Maintanance Manual
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Toshiba Personal Computer Satellite
Maintenance Manual
TOSHIBA CORPORATION
[CONFIDENTIAL]](http://img.usermanuals.tech/thumb/76/48988/w300_satellite-l450-l450d-pro-maintanance-manual-0.png "Page 1
Toshiba Personal Computer Satellite
Maintenance Manual
TOSHIBA CORPORATION
[CONFIDENTIAL]")
Toshiba Personal Computer Satellite Maintenance Manual TOSHIBA CORPORATION [CONFIDENTIAL]
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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...](http://img.usermanuals.tech/thumb/76/48988/w300_satellite-l450-l450d-pro-maintanance-manual-1.png "Page 2
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...")
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...
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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...](http://img.usermanuals.tech/thumb/76/48988/w300_satellite-l450-l450d-pro-maintanance-manual-2.png "Page 3
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...")
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...
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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...](http://img.usermanuals.tech/thumb/76/48988/w300_satellite-l450-l450d-pro-maintanance-manual-3.png "Page 4
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...")
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...
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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...](http://img.usermanuals.tech/thumb/76/48988/w300_satellite-l450-l450d-pro-maintanance-manual-4.png "Page 5
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...")
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...
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vi [CONFIDENTIAL] Satellite L450D / ProL450D Series Maintenance
Manual
Table of Contents
Chapter 1 Hardware Overview
1.1
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1.3 DVD Super Multi (+-R Double Layer) .............................Error! Bookmark...](http://img.usermanuals.tech/thumb/76/48988/w300_satellite-l450-l450d-pro-maintanance-manual-5.png "Page 6
vi [CONFIDENTIAL] Satellite L450D / ProL450D Series Maintenance
Manual
Table of Contents
Chapter 1 Hardware Overview
1.1
Features ........................................................................\
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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...](http://img.usermanuals.tech/thumb/76/48988/w300_satellite-l450-l450d-pro-maintanance-manual-6.png "Page 7
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...")
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...
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viii [CONFIDENTIAL] Satellite L450D / ProL450D Series Maintenance
Manual
Chapter 4 Replacement Procedures
4.1
General ........................................................................\
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Safety Precautions .............................................................. Error! Bookmark not defined.
Before You Begin ..............................................................Error! Bookmark not...](http://img.usermanuals.tech/thumb/76/48988/w300_satellite-l450-l450d-pro-maintanance-manual-7.png "Page 8
viii [CONFIDENTIAL] Satellite L450D / ProL450D Series Maintenance
Manual
Chapter 4 Replacement Procedures
4.1
General ........................................................................\
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Safety Precautions .............................................................. Error! Bookmark not defined.
Before You Begin ..............................................................Error! Bookmark not...")
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...
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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...](http://img.usermanuals.tech/thumb/76/48988/w300_satellite-l450-l450d-pro-maintanance-manual-8.png "Page 9
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.
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Installing the...")
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...
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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!...](http://img.usermanuals.tech/thumb/76/48988/w300_satellite-l450-l450d-pro-maintanance-manual-9.png "Page 10
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!...")
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!...