Summary of the content on the page No. 1
Toshiba Personal Computer
NB250/NB255
Maintenance Manual
TOSHIBA CORPORATION
Summary of the content on the page No. 2
Copyright © 2010 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 Personal Computer NB250/NB255 Maintenance Manual First edition April.2010 Disclaimer The information presented in this manual has been reviewed and validated for accuracy. The included set of ins
Summary of the content on the page No. 3
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 manual to bring important information to your attention. Each of these messages will be i
Summary of the content on the page No. 4
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
Summary of the content on the page No. 5
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 compute
Summary of the content on the page No. 6
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 Power Supply .................................................................... Error! Bookmark not defined. 1.4 Batteries............................................................................. Error
Summary of the content on the page No. 7
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 Audio sound Test .................................................................Error! Bookmark not defined. 3.5 Fan ON/
Summary of the content on the page No. 8
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 Procedu
Summary of the content on the page No. 9
Removing the Logic Upper Assembly...............................Error! Bookmark not defined. Installing the Logic Upper Assembly ................................Error! Bookmark not defined. 4.9 Speaker...............................................................................Error! Bookmark not defined. Removing the Speaker .......................................................Error! Bookmark not defined. Installing the Speaker.........................................................
Summary of the content on the page No. 10
Figures Figure 4.1 Removing the Battery Pack ................................... Error! Bookmark not defined. Figure 4.2 Removing the HDD door....................................... Error! Bookmark not defined. Figure 4.3 Removing the HDD from the HDD bay ................ Error! Bookmark not defined. Figure 4.4 Removing the HDD plate....................................... Error! Bookmark not defined. Figure 4.5 Removing the RAM door....................................... Error! Bookmark
Summary of the content on the page No. 11
Figure 4.31 Removing the screws from the LCD module .......Error! Bookmark not defined. Figure 4.32 Removing the LCD Hinge Assembly...................Error! Bookmark not defined. Figure 4.33 Removing the Camera from the LCD panel.........Error! Bookmark not defined. Figure 4.34 Removing the LVDS cable from the LCD moduleError! Bookmark not defined. Appendices Appendix A Handling the LCD Module ..........................................................................................A-
Summary of the content on the page No. 12
Chapter 1 Hardware Overview
Summary of the content on the page No. 13
1 Hardware Overview Chapter 1 Contents 1.1 Features .................................................................................................................. 1-1 1.2 2.5-inch HDD ......................................................................................................... 1-8 1.3 Power Supply ......................................................................................................... 1-9 1.4 Batteries......................................................
Summary of the content on the page No. 14
1 Hardware Overview Figures Figure 1-1A ID Parts Description Placement Part A.......................................................... 1-4 Figure 1-2 S-ATA HDD .................................................................................................. 1-8 Tables Table 1-1 HDD Specifications ....................................................................................... 1-8 Table 1-2 Quick/Normal Charging Time ..............................................................
Summary of the content on the page No. 15
Summary of the content on the page No. 16
1.1 Features 1 Hardware Overview 1.1 Features ® TM The Toshiba NB200 is a small-size PC notebook equipped with an Intel Atom Processor, providing high-speed processing capabilities and advanced features. The computer employs a lithium ion battery that allows it to be battery-operated for long periods of time. The display uses 10.1-inch WSVGA LCD panel. Many features can be Built To Order (BTO) to customize the system for each user. The computer has the following features: Processor
Summary of the content on the page No. 17
1 Hardware Overview 1.1 Features Graphics ® The computer uses Intel NM10 Express Chipset for integrated graphics display. Keyboard The computer is equipped with a tile or flat keyboard. It comes with 85 or 86 keys supported and with optional Windows and application keys (except for Linux models). Pointing Device The integrated Touch Pad and two control buttons in the palm rest allow control of the on- screen pointer and support functions such as the scrolling of windows. E
Summary of the content on the page No. 18
1.1 Features 1 Hardware Overview Internal Microphone The computer has a built-in internal microphone equipped with echo-cancellation. Headphones/Line-out Jack This jack connects speakers or stereo headphones. When connected to speakers or headphones, the internal speaker is automatically disabled. Microphone/Line-in Jack A 3.5mm mini microphone jack enables connection of a three-conductor microphone for monaural input and also enables the connection of a stereo device for audi
Summary of the content on the page No. 19
1 Hardware Overview 1.1 Features Figure 1-1A shows the computer and its system unit configuration. External monitor port Thermal vent holes USB ( USB Sleep and Charge function is supported by this port only. ) Figure 1-1A ID Parts Description Placement Part A NB250/NB255 Maintenance Manual 1-4
Summary of the content on the page No. 20
1.1 Features 1 Hardware Overview A B C D E Compal Confidential Model Name : KAVAA Fan Control Thermal Sensor Clock Generator Intel Diamondville SC page 28 EMC1402 SLG8SP556VTR File Name : LA-5121P FCBGA8-437 Pins page 4 page 12 1 1 (22x22mm) page 4,5 FSB H_A#(3..31) H_D#(0..63) 400/533MHz CRT Conn. Intel Calistoga GSE page 14 200pin DDRII-SO-DIMM Memory BUS(DDRII) FCBGA998 page 11 LVDS LED Conn. page 13 (27x27mm) 1.8V DDRII 400/533 ONE CHANNEL page 6,7,8,9,10 DMI x 2 2 USB Conn X3 Int. Camera
