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Replicator Welcome to the Presario 1800 Series Maintenance and Service Guide. This Components online guide is designed to serve the needs of those whose job it is to repair Port Compaq products. The Replicator Preface Connectors locations on the unit.
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.
This Maintenance and Service Guide is a troubleshooting guide that can be used for reference when servicing the Compaq Presario 1800 Series Portable Computers. Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 1800 Series Portable Computers without notice.
Back Connectors Port Replicator Components Port Replicator Connectors Power Management for Windows Presario 1800 Series Models: 1825 and 1800T Specifications Compaq Presario 1800 Series Portable Computers are a new generation multimedia portable computers with a thin and light- weight design,...
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Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Troubleshooting Preliminary Steps This section covers troubleshooting information for the Compaq Presario 1800 Series Portable Computers. The basic steps in troubleshooting include: Clearing the Power-On 1. Follow the...
Pin Assignments | Battery Pack Operations Illustrated Parts Catalog This section provides a breakdown of spare parts and System Unit identifies the spare part ordering number associated with Boards each item for Compaq Presario 1800 Series Portable Display Computers. Assembly Mass Storage Devices...
Assembly Upper CPU Cover Fan Assembly Diskette Drive Battery Charger Board Speaker Assembly System Board Memory Module Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T Pin Assignments | Battery Pack Operations to Compaq when requesting information or...
Nonoperating Shock Operating Non operating Vibration Operating Nonoperating NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. Compaq Explorer Series Portable Computers operate well within this range of temperatures. Top of Page System Interrupts Hardware IRQ IRQ0 IRQ1...
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Connector Pin Assignments This section provides connector pin assignment tables for Compaq Presario 1800 Series Portable Computers. For more information on connectors, refer to the sections on Replicator Connectors.
Disposing of a Used Battery Pack In the interest of safeguarding our environment. Compaq Computer Corporation recommends that nickel metal hydride (NiMH) and lithium ion (Li ion) battery packs be recycled. Battery packs should be handled in accordance with country, state, province, or local regulations.
| Home Page | Notice | Preface | Product Description | Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Models and Features Compaq Presario 1800 Series Portable Computer Models Models and Features Controls and...
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Product Description Models and Features Controls and Lights Internet Zone Buttons and Lights Front Bezel...
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Product Description Models and Features Controls and Lights Internet Zone Buttons and Lights...
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Product Description Models and Features Controls and Lights Internet Zone Buttons and Lights...
| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Product Description Models and Features Controls and Lights Internet Zone Buttons and Lights Front Bezel Components Left Side...
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Product Description Presario 1800 Series Models: 1825 and 1800T Specifications Left Side Components with LS120 Drive...
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Maintenance & Service Guide | 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 Internet Zone Buttons and...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Product Description Models and Features Controls and Lights Internet Zone Buttons and Lights Front Bezel Components Left Side Components Right Side Components...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Product Description Models and Features Controls and Lights Internet Zone Buttons and Lights Front Bezel Components Left Side Components Right Side Components...
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Maintenance & Service Guide | 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 Internet Zone Buttons and...
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Product Description Models and Features Controls and Lights Internet Zone Buttons and Lights...
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System.) IMPORTANT: If the computer is on a network, Compaq recommends System Standby be set to Never. There are five categories of power management settings under the Control Panel. The default setting for each feature is listed below in the tables.
Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Preliminary Steps Before running POST, complete the following preliminary steps: 1.
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Troubleshooting Clearing the Power-on Password Presario 1800 Series Models: 1825 and 1800T Troubleshooting Specifications Clearing the power-on...
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Running POST To run POST, complete these directions: Turn off the computer, then turn on the computer. As soon as the Compaq logo appears press the ESC key to clear the logo and display the POST messages as they occur.
Compaq Diagnostics is installed on the hard drive of the computer. Run the Diagnostics utilities when you want to view or test system information and if you have installed or connected devices. If you run Compaq Diagnostics from a diskette, ensure that it is version 10.11 or later.
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| Home Page | Notice | Preface | Product Description | Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Contacting Compaq Support Obtain the following information before contacting Compaq Reseller Support: Product name Product serial number Purchase date...
Diagnostic Error Codes Diagnostic error codes occur if the system recognizes a problem while running the Compaq Diagnostic program. These error codes help identify possibly defective subassemblies. The following tables list error codes, a description of the error condition, and the action required to resolve the error condition.
Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Troubleshooting Without Diagnostics This section provides information about how to identify and correct some common hardware, memory, and software problems.
Check the drive letter in the path statement. Use another diskette. Run Computer Checkup from the Compaq Diagnostics diskette. Format the diskette. At the system prompt, enter FORMAT A: Use the type of diskette required by the drive.
PC Card in MS- DOS mode. Contact your Compaq authorized service provider for a list of PC Cards tested successfully in Compaq PC Card platforms. Ensure that the card is inserted in the correct orientation. Check and secure telephone connection.
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Illustrated Parts Catalog System Unit Boards Display Assembly Mass Storage Devices Miscellaneous Cable Kit Miscellaneous Hardware Kit Miscellaneous Plastics Kit Miscellaneous Parts...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Illustrated Parts Catalog System Unit Boards Display Assembly Mass Storage Devices Miscellaneous Cable Kit Miscellaneous Hardware Kit Miscellaneous Plastics Kit Miscellaneous Parts...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Illustrated Parts Catalog System Unit Boards Display Assembly Mass Storage Devices Miscellaneous Cable Kit Miscellaneous Hardware Kit...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Illustrated Parts Catalog System Unit Boards Display Assembly Mass Storage Devices Miscellaneous Cable Kit Miscellaneous Hardware Kit...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Illustrated Parts Catalog System Unit Boards Display Assembly Mass Storage Devices Miscellaneous Cables Kit Miscellaneous Hardware Kit...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Illustrated Parts Catalog System Unit Boards Display Assembly Mass Storage Devices Miscellaneous Cable Kit Miscellaneous Hardware Kit...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Illustrated Parts Catalog System Unit Boards Display Assembly Mass Storage Devices Miscellaneous Cable Kit Miscellaneous Hardware Kit...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Illustrated Parts Catalog System Unit Use the scroll down menu for the description and spare part number of spare parts Boards Shown.
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Illustrated Parts Catalog Documentation and Software System Unit Boards Description Display Assembly...
Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Electrostatic Discharge A sudden discharge of static electricity from a finger or other conductor can destroy static-sensitive devices or microcircuitry.
The screws used in the computer are not interchangeable. If an incorrect screw is used during the reassembly process, it can damage the unit. Compaq strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations.
| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Cables and Connectors Most cables used throughout the unit are ribbon cables. Cables must be handled with extreme care to avoid damage. Apply only the tension required to seat or unseat the cables during insertion or removal from the connector.
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Presario 1800 Series Models: 1825 and 1800T The computer uses a zero insertion force (ZIF) connector for the keyboard cable to the system board.
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations The ribbon cable position for the hard drive. Back to Cables and Connectors.
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations The ribbon cable position for the DVD or CD drive. Back to Cables and Connectors.
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations The ribbon cable position for the diskette drive. Back to Cables and Connectors.
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations The ribbon cable position for the LS120 drive. Back to Cables and Connectors.
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations The cable position for the speaker assembly is shown below. The cable is routed under the battery charger board and under the edge of the system board.
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations The cable position for the modem. Back to Cables and Connectors.
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations The cable position for the Network Interface Card. Back to Cables and Connectors.
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations The ribbon cable position for the keyboard. Back to Cables and Connectors.
To prevent damage, do not allow metal objects to touch the battery contacts. Place only the battery pack for the Compaq Presario 1800 Series Portable Computers into the battery compartment. Do not force the battery pack into the bay if insertion does not occur easily.
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removal Sequence Electrostatic Discharge Service Considerations Cables and Connectors...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removal Sequence Electrostatic Discharge Service Considerations Cables and Connectors Preparing the Computer for Disassembly...
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removing the Palmrest Cover with TouchPad, continued...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T Removing the Palmrest Cover with TouchPad, continued 7.
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removal Sequence Electrostatic Discharge Service Considerations Cables and Connectors Preparing the Computer for Disassembly...
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removal Sequence Electrostatic Discharge Service Considerations Cables and Connectors...
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removing the Status Panel Assembly,...
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removing the Status Panel Assembly, continued...
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removing the Status Panel Assembly,...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removal Sequence Electrostatic Discharge Service Considerations Cables and Connectors Preparing the Computer for...
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Maintenance & Service Guide Presario 1800 Series Models: 1825 and 1800T | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removing the Internet Button Board, continued...
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| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removal Sequence Electrostatic Discharge Service Considerations Cables and Connectors Preparing the Computer for...
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Maintenance & Service Guide | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Removal Sequence Electrostatic Discharge Service Considerations Cables and Connectors...
| Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations Removal & Replacement Procedures Replacing the Processor To replace the processor complete the following steps: When installing the processor, be sure that the system board connector fully aligns with the processor IMPORTANT: connector.