Compaq 1200US - Presario - Celeron 800 MHz Manual

United States January 3, 2003
Maintenance & Service Guide
Presario Series
Models: 1246, 1277, 1278, and 1279
Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures |Specifications
Pin Assignments |Battery Pack Operations
Welcome to the Maintenance & Service Guide (MSG). This online guide is
designed to serve the needs of those whose job it is to repair Compaq
products. The Notice contains the copyright and trademark information. The
Preface shows symbol conventions,
Technician Notes, and Serial Number locations on the unit.
This MSG will be periodically maintained and updated online as needed.
For content comments or questions, contact the Editor.
To report a technical problem, contact your Regional Support Center or IM
Help Center.
privacy and legal statement

United States January 3, 2003
Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279
|Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures |Specifications
Pin Assignments |Battery Pack Operations
Notice
The information in this guide is subject to change without notice.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR
EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL
OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING,
PERFORMANCE, OR USE OF THIS MATERIAL.
This guide contains information protected by copyright. No part of this guide may be
photocopied or reproduced in any form without prior written consent from Compaq
Computer Corporation.
1999 Compaq Computer Corporation.
All rights reserved. Printed in the U.S.A.
Compaq, Presario Series Registered U. S. Patent and Trademark Office.
Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft Corporation.
Windows 98 is a trademark of Microsoft Corporation.
The software described in this guide is furnished under a license agreement or
nondisclosure agreement. The software may be used or copied only in accordance with
the terms of the agreement.
Product names mentioned herein may be trademarks and/or registered trademarks of
their respective companies.
Maintenance and Service Guide
Compaq Presario Series Portable Computer
First Edition (October 1999)
Compaq Computer Corporation
privacy and legal statement

United States January 3, 2003
Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279
| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures |Specifications
Pin Assignments |Battery Pack Operations |
Preface
This Maintenance and Service Guide is a troubleshooting guide that can be used for reference
when servicing Compaq Presario Series Portable Computers.
Compaq Computer Corporation reserves the right to make changes to the Compaq Presario Series
Portable Computers without notice.
Symbols
The following words and symbols mark special messages throughout this guide.
WARNING.GIF
(918
bytes)
WARNING: Text set off in this manner indicates that failure to follow directions in the
warning could result in bodily harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions could
result in damage to equipment or loss of data.
IMPORTANT: Text set off in this manner presents clarifying information or specific instructions.
NOTE: Text set off in this manner presents commentary, sidelights, or interesting points of
information.
Technician Notes
WARNING.GIF
(918
bytes)
WARNING: Only authorized technicians trained by Compaq should repair this
equipment. All troubleshooting and repair procedures are detailed to allow only
subassembly/module-level repair. Because of the complexity of the individual boards
and subassemblies, the user should not attempt to make repairs at the component
level or to make modifications to any printed circuit board. Improper repairs can create
a safety hazard. Any indications of component replacement or printed circuit board
modifications may void any warranty.
Serial Number
When requesting information or ordering spare parts, you should provide the computer serial
number to Compaq. The serial number is located on the bottom of the computer.
Locating Additional Information
The following documentation is available to support this product:
●Compaq Presario Series Portable Computer documentation set
●Introducing Windows 98 Guide
●Service Training Guides
●Compaq Service Advisories and Bulletins
●Compaq QuickFind
●Compaq Service Quick Reference Guide
privacy and legal statement

United States January 3, 2003
Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279
|Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures |Specifications
Pin Assignments |Battery Pack Operations
Product Description
Models and
Features
Controls
and Lights
Front Bezel
Lights
Front Bezel
Buttons
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Power
Management
for Windows
98
The Compaq
Presario
Series
Portable
Computer is
a continuation
of the new
generation of
multimedia
portable
computers with
an innovative
and integrated
design,
outstanding
audio and
video,
advanced core
features, and
attractive
styling. This full-
function, AMD-
K6II-based
portable
computer
allows full
desktop
functionality.
privacy and legal statement

United States January 3, 2003
Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279
| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures |Specifications
Pin Assignments |Battery Pack Operations
Product Description
Models and Features
Models and
Features
Controls and
Lights
Front Bezel
Lights
Front Bezel
Buttons
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Power
Management
for Windows
98
Compaq Presario Series Portable Computer Models
Model 1246 Model 1247
Display 12.1" HPA 12.1" HPA
Processor AMD-K6II MMX 400-Mhz AMD-K6II MMX 400-Mhz
Hard Drive 4.3-GB 4.3-GB
CD Drive 24x CD-ROM 24x CD-ROM
Modem 56.0 Kbps PCI data/fax 56.0 Kbps PCI data/fax
System
Memory 32-MB 32-MB
Battery 3800 MAH NiMH 3800 MAH NiMH
Model 1277 Model 1278
Display 13.0" HPA 12.1" HPA
Processor AMD-K6II MMX 400-Mhz
(or)
AMD-K6II MMX 433-Mhz
AMD-K6II MMX 433-Mhz
Hard Drive 4.8-GB 4.8-GB
CD Drive 24x CD-ROM 24x CD-ROM
Modem 56.0 Kbps PCI data/fax 56.0 Kbps PCI data/fax
System
Memory 64-MB 64-MB
Battery 3200 MAH sLION 3200 MAH sLION
Model 1279
Display 12.1" HPA
Processor AMD-K6II MMX 433-
Mhz
Hard Drive 4.8-GB
CD Drive 24x CD-ROM
Modem 56.0 Kbps PCI data/fax
System
Memory 64-MB
Battery 3200 MAH sLION
privacy and legal statement

United States January 3, 2003
Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279
| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures |Specifications
Pin Assignments |Battery Pack Operations
Product Description
Controls and Lights
Models and
Features
Controls and
Lights
Front Bezel
Lights
Front Bezel
Buttons
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Power
Management
for Windows
98
1. Display
2. Power
(On/Off)
Button
3.
Keyboard
4. Touch
Pad
5. Touch
Pad Button
(Left)
6.
Headphone
Jack
7.
Microphone
Jack
8. Touch
Pad Button
(Right)
9.
Integrated
Speakers
and Ports
privacy and legal statement

United States January 3, 2003
Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279
| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures |Specifications
Pin Assignments |Battery Pack Operations
Product Description
Front Bezel Lights
Models and
Features
Controls
and Lights
Front Bezel
Lights
Front Bezel
Buttons
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Power
Management
for Windows
98
1. Power
Light
2. Battery
Charge
Light
3. Power
Cord Light
4. Num Lock
Light
5. Cap Lock
Light
6. Scroll
Lock Light
privacy and legal statement

United States January 3, 2003
Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279
| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures |Specifications
Pin Assignments |Battery Pack Operations
Product Description
Front Bezel Buttons
Models and
Features
Controls
and Lights
Front Bezel
Lights
Front Bezel
Buttons
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Power
Management
for Windows
98
1. Instant
Internet
Access
Button
2. Instant
Search
Button
3. Volume
Down
Button
4. Scroll
Up/Down
Button
5. Volume
Up Button
6. Secure
E-
Commerce
Button
(or favorite
Web site)
7. Instant
E-Mail
Button
privacy and legal statement

United States January 3, 2003
Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279
| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures |Specifications
Pin Assignments |Battery Pack Operations
Product Description
Left Side Components
Models and
Features
Controls
and Lights
Front Bezel
Lights
Front Bezel
Buttons
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Power
Management
for Windows
98
1. PC Card Eject Lever
2. PC Card Slot
3. Diskette Drive Slot
4. Diskette Eject Button
privacy and legal statement

United States January 3, 2003
Maintenance & Service Guide
Presario Series
Models: 1246, 1247, 1277, 1278, and 1279
|Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures |Specifications
Pin Assignments |Battery Pack Operations
Product Description
Right Side Components
Models and
Features
Controls
and Lights
Front Bezel
Lights
Front Bezel
Buttons
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Power
Management
for Windows
98
1. Battery
Compartment
2. CD Drive
Eject Button
3. CD Drive
Manual Eject
Hole
privacy and legal statement