Toshiba Qosmio F40 User manual

Qosmio F40/F45 Maintenance Manual
Toshiba Personal Computer
Qosmio F40/F45
(PQF43x)
(PQF44x)
(PQF46x)
(PQF47x)
Maintenance Manual
TOSHIBA CORPORATION
S/ No

ii Qosmio F40/F45 Maintenance Manual
Copyright
© 2007 by Toshiba Corporation. All rights reserved. Under the copyright 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 Qosmio F40/F45 Maintenance Manual
First edition May 2007
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 Qosmio F40/F45 at the time
of this manual's 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
Intel and Pentium are registered trademarks of Intel Corporation.
IBM, IBM PC/XT, PC/AT, PS/2 and OS/2 are registered trademarks of IBM Corporation.
Windows XP home edition are registered trademarks of Microsoft Corporation.
Sound Blaster and Pro are trademarks of Creative Technology Ltd.
UNIX is a registered trademark of X/Open Company Ltd.
NetWare are registered trademarks of Novell, Inc.
All other properties are trademarks or registered trademarks of their respective holders.

Qosmio F40/F45 Maintenance Manual iii
Preface
This maintenance manual describes how to perform hardware service maintenance for the
Toshiba Personal Computer Qosmio F40/F45, referred to as Qosmio F40/F45 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 manual 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 maintenance
service.
Improper repair of the computer may result in safety hazards. Toshiba requires service
technicians and authorized dealers or service providers to ensure 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
overheating, smoke or fire.
If you replace the battery pack, RTC battery or backup 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 Qosmio F40/F45 Maintenance Manual
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the Qosmio F40/F45 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
BIOS Rewrite Procedures
EC/KBC Rewrite Procedures

Qosmio F40/F45 Maintenance Manual v
Conventions
This manual uses the following formats to describe, identify, and highlight terms and
operating procedures.
Acronyms
On the first appearance and whenever necessary for clarification acronyms are enclosed in
parentheses following their definition. For example:
Read Only Memory (ROM)
Keys
Keys are used in the text to describe many operations. The key top symbol as it appears on
the keyboard is printed in boldface type.
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 below:
DISKCOPY A: B:
The display
Text generated by the XXXXX that appears on its display is presented in the type face
below:
Format complete
System transferred

Chapter 1
Hardware Overview

1 Hardware Overview 1.1 Features
Qosmio F40/F45 Maintenance Manual 2

1.1 Features 1 Hardware Overview
Chapter 1 Contents
1.1 Features......................................................................................................................... 5
1.2 System Unit Components ........................................................................................... 14
1.3 2.5-inch HDD.............................................................................................................. 22
1.4 DVD Super Multi (+-R Double Layer)....................................................................... 23
1.5 HD DVD-ROM........................................................................................................... 25
1.6 HD DVD-R................................................................................................................. 26
1.7 Power Supply.............................................................................................................. 27
1.8 Batteries ...................................................................................................................... 28
1.1.1 Main Battery.......................................................................................... 28
1.1.2 Battery Charging Control...................................................................... 28
1.1.3 RTC Battery .......................................................................................... 29
Qosmio F40/F45 Maintenance Manual 3

1 Hardware Overview 1.1 Features
Figures
Figure 1-1A ID Parts Description Placement Part A...........................................................10
Figure 1-1B ID Parts Description Placement Part B...........................................................11
Figure 1-2 Computer Block Diagram ...............................................................................12
Figure 1-3 System Board Configurations .........................................................................13
Figure 1-4 System Unit Block Diagram ...........................................................................15
Figure 1-5 SATA HDD.....................................................................................................22
Figure 1-6 DVD Super Multi Drive..................................................................................23
Tables
Table 1-1 HDD Specifications.........................................................................................22
Table 1-2 DVD Super Multi Drive Specifications..........................................................23
Table 1-3 HD DVD-ROM Drive Specifications.............................................................25
Table 1-4 HD DVD-R Drive Specifications....................................................................26
Table 1-5 Battery Specifications .....................................................................................28
Table 1-6 Quick/Normal Charging Time ........................................................................29
Qosmio F40/F45 Maintenance Manual 4

1.1 Features 1 Hardware Overview
1.1 Features
The Toshiba Qosmio F40/F45 a full size notebook PC based on the Core2 Duo Processor and
Celeron M Processor, providing high-speed processing capabilities and advanced features.
The computer employs a Lithium Ion battery that allows it to be battery-operated for a longer
period of time. The display uses 15.4-inch WXGA LCD panel, at a resolution of 1280 by
800 pixels. The uPGA socket supports BTO/CTO for the CPU so that the system can be
designed to suit your needs.
The computer has the following features:
Processor
The CPU is the Core2 Duo Processor and Celeron M Processor.
Core2 Duo Processor (800MHz)
T7100(1.80G)/T7300(2.00G)/
T7500(2.20G)/T7700(2.40G) Hz
Celeron M Processor (533MHz)
540(1.86G)/550(2.00G) Hz
Host Bridge System Controller
System Controller: Intel Crestline PM965/GM965/GL960 + ICH8M.
Graphics
Intel GM965/GL960 integrated graphic or PM965 with nVIDIA NB8P-GS/NB8M-
GS.
Memory
The computer has two SO-DIMMs slot comes standard with DDRII-667MHz module.
It supports PC2-5300 and uses SO-DIMMs (DDRII SDRAM) driven at 1.8 V,
accepting BTO/CTO for your memory requirements. It can incorporate up to 4 GB of
main memory.
Using the following sizes of memory modules:
y512 MB (32M×16×8P)/667 MHZ
Qosmio F40/F45 Maintenance Manual 5