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Confidential
PCG-XG38/XG38K/XG39/XG39K
US Model
Canadian Model
SERVICE MANUAL
NOTEBOOK COMPUTER
9-872-131-11
S400
Sony Corporation
Information Technology Company
9-872-131-11
PCG-XG38/XG38K/XG39/XG39K (UC)
PCG-XG38/XG38K/XG39/XG39K
(UC)
9-872-131-11
2000K1605-1
®
This manual and the constituent data may not be
replicated, copied nor reprinted in whole or in part
without prior written authorization of Sony Corporation.
English
2000K1605-1
Printed in U.S.A.
© 2000 Sony Corporation
VAIO Customer Link (JAPAN)
Illust : PCG-XG39K


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PCG-XG38/XG38K/XG39/XG39K (UC)
Information in this document is subject to change without notice.
Sony and VAIO are trademarks of Sony. Intel logo and Intel Inside
logo are registered trademarks of Intel Corporation. Pentium MMX
is a trademark of Intel Corporation. Microsoft, MS-DOS, Windows,
the Windows 95 and Windows 98 logo are trademarks of Microsoft
Corporation.
All other trademarks are trademarks or registered trademarks of
their respective owners. Other trademarks and trade names may be
used in this document to refer to the entities claiming the marks and
names or their products. Sony Corporation disclaims any proprietary
interest in trademarks and trade names other than its own.
Service and Inspection Precautions
1. Obey precautionary markings and instructions
Labels and stamps on the cabinet, chassis, and components identify areas
requiring special precautions. Be sure to observe these precautions, as well
as all precautions listed in the operating manual and other associated
documents.
2. Use designated parts only
The set's components possess important safety characteristics, such as
noncombustibility and the ability to tolerate large voltages. Be sure that
replacement parts possess the same safety characteristics as the originals.
Also remember that the 0 mark, which appears in circuit diagrams and
parts lists, denotes components that have particularly important safety
functions; be certain to use only the designated components.
3. Always follow the original design when mounting
parts and routing wires
The original layout includes various safety features, such as inclusion of
insulating materials (tubes and tape) and the mounting of parts above the
printer board. In addition, internal wiring has been routed and clamped so
as to keep it away from hot or high-voltage parts. When mounting parts or
routing wires, therefore, be sure to duplicate the original layout.
4. Inspect after completing service
After servicing, inspect to make sure that all screws, components, and wiring
have been returned to their original condition. Also check the area around
the repair location to ensure that repair work has caused no damage, and
confirm safety.
5. When replacing chip components...
Never reuse components. Also remember that the negative side of tantalum
capacitors is easily damaged by heat.
6. When handling flexible print boards...
· The temperature of the soldering-iron tip should be about 270
°C.
· Do not apply the tip more than three times to the same pattern.
· Handle patterns with care; never apply force.
Caution: Remember that hard disk drives are easily damaged by
vibration. Always handle with care.
Caution Markings for Lithium/Ion Battery - The following or similar
texts shall be provided on battery pack of equipment or in both the
operating and the service instructions.
CAUTION: Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by
the manufacturer. Discard used batteries according to the
manufacturer's instructions.
CAUTION: The battery pack used in this device may present a fire
or chemical burn hazard if mistreated. Do not disassemble, heat
above 100
°C (212°F) or incinerate.
Dispose of used battery promptly.
Keep away from children.
CAUTION: Changing the back up battery.
· Overcharging, short circuiting, reverse charging, multilation or
incineration of the cells must be avoided to prevent one or more
of the following occurrences; release of toxic materials, release of
hydrogen and/or oxygen gas, rise in surface temperature.
· If a cell has leaked or vented, it should be replaced immediately.
Do not touch the battery without protection.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE 0 SUR LES
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
Confidential


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TABLE OF CONTENTS
SECTION 1
CHAPTER 1. OPERATION
1-1. VAIO Notebok User Guide .............................................. 1-1
(to 1-70)
SECTION 2
CHAPTER 1. REMOVAL
1-1. Flowchart ......................................................................... 1-1
1-2. Main Electrical Parts Location Diagram ......................... 1-1
1-3. Removal ........................................................................... 1-2
1. Hinge Cover ..................................................................... 1-2
2. Keyboard Unit ................................................................. 1-2
3. HDD Assy ........................................................................ 1-3
4. Hou Flap Assy, Flap Base Plate ....................................... 1-3
5. Hou Palmrest Assy, Display Base, IFX-70 Board ........... 1-4
6. Display Assy .................................................................... 1-4
7. MBX-43 Board Assy (1) .................................................. 1-5
8. Speaker Assy, V/L Richargeable Battery,
CNX-75 Board, ANL-17 Board ....................................... 1-5
9. MBX-43 Board Assy (2) .................................................. 1-6
10. LCD Section (XG39/XG39K Model) ­ Made by HI ­ ... 1-7
1. Flash Panel, Bezel Housing Assy ................................ 1-7
2. LCD Unit, Inverter Assy, LCD Flexible Print ............. 1-8
11. LCD Section (XG38/XG38K Model) ­ Made by SA ­ ... 1-9
1. Flash Panel, Bezel Housing Assy ................................ 1-9
2. LCD Unit, Inverter Assy, LCD Cable ........................ 1-10
(to 1-10)
CHAPTER 2. SELF DIAGNOSTICS
2-1. Required Tools and Peripheral Devices ........................... 2-1
2-2. Tools and Peripheral Device Connection ......................... 2-3
2-3. Starting up the Service Diagnostics ................................. 2-4
2-4. Outline of Service Diagnostics Functions ....................... 2-4
2-5. Inspecting Windows ......................................................... 2-8
(to 2-8)
CHAPTER 3. BLOCK DIAGRAM ............................... 3-1
(to 3-2)
CHAPTER 4. FRAME HARNESS DIAGRAM ........ 4-1
(to 4-2)
CHAPTER 5. EXPLODED VIEWS AND
PARTS LIST ............................................ 5-1
5-1. Main Section (XG39/XG39K Model) ............................. 5-2
5-2. Main Section (XG38/XG38K Model) ............................. 5-5
5-3. LCD Section
(XG39/XG39K Model) ­ Made by HI ­ ......................... 5-9
5-4. LCD Section
(XG38/XG38K Model) ­ Made by SA ­ ....................... 5-11
(to 5-12)
Section
Title
Page
·
Abbreviations
UC : US model / Canadian model
PCG-XG38/XG38K/XG39/XG39K (UC)
Confidential


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1-1
PCG-XG38/XG38K/XG39/XG39K (UC)
Confidential
CHAPTER 1.
SECTION 1
OPERATION
VAIO® Notebook
User Guide
PCG-XG38/PCG-XG38K/
PCG-XG39/PCG-XG39K


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VAIO Notebook User Guide
2
Notice to Users
© 2000 Sony Electronics Inc. All rights
reserved. This manual and the software
described herein, in whole or in part, may not
be reproduced, translated, or reduced to any
machine-readable form without prior written
approval.
SONY ELECTRONICS INC. PROVIDES NO
WARRANTY WITH REGARD TO THIS
MANUAL, THE SOFTWARE, OR OTHER
INFORMATION CONTAINED HEREIN AND
HEREBY EXPRESSLY DISCLAIMS ANY
IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR
ANY PARTICULAR PURPOSE WITH
REGARD TO THIS MANUAL, THE
SOFTWARE, OR SUCH OTHER
INFORMATION. IN NO EVENT SHALL
SONY ELECTRONICS INC. BE LIABLE
FOR ANY INCIDENTAL,
CONSEQUENTIAL, OR SPECIAL
DAMAGES, WHETHER BASED ON TORT,
CONTRACT, OR OTHERWISE, ARISING
OUT OF OR IN CONNECTION WITH THIS
MANUAL, THE SOFTWARE, OR OTHER
INFORMATION CONTAINED HEREIN OR
THE USE THEREOF.
Sony Electronics Inc. reserves the right to make
any modification to this manual or the
information contained herein at any time
without notice. The software described herein is
governed by the terms of a separate user license
agreement.
This product contains software owned by Sony
and licensed by third parties. Use of such
software is subject to the terms and conditions
of license agreements enclosed with this
product. Some of the software may not be
transported or used outside the United States.
Software specifications are subject to change
without notice and may not necessarily be
identical to current retail versions.
Updates and additions to software may require
an additional charge. Subscriptions to online
service providers may require a fee and credit
card information. Financial services may
require prior arrangements with participating
financial institutions.
The International
ENERGY STAR Office
Equipment Program is an international program
that promotes energy saving through the use of
computers and other office equipment. The
program backs the development and
dissemination of products with functions that
effectively reduce energy consumption. It is an
open system in which business proprietors can
participate voluntarily. The targeted products
are office equipment such as computers,
displays, printers, facsimiles and copiers. Their
standards and logos are uniform among
participating nations.
ENERGY STAR is a U.S.
registered mark.
This product incorporates copyright protection
technology that is protected by method claims
of certain U.S. patents and other intellectual
property rights owned by Macrovision
Corporation and other rights owners. Use of this
copyright protection technology must be
authorized by Macrovision Corporation, and is
intended for home and other limited viewing
uses only unless otherwise authorized by
Macrovision Corporation. Reverse engineering
or disassembly is prohibited.
Sony, i.LINK, MovieShaker, PictureGear,
DVgate, Mavica, Handycam, Jog Dial, Media
Bar, VAIO and the VAIO logo are trademarks of
Sony Corporation. Microsoft, Windows Me,
As an
ENERGY STAR
Partner, Sony Corporation
has determined that this
product meets the
ENERGY STAR
guidelines for energy
efficiency.