HP 1660 manual Preface, Symbols

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Maintenance & Service Guide

Presario 1660 Model

MSG Index 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 the Compaq Presario 1660 Model Portable Computers. Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 1660 Model Portable Computers without notice.

Symbols

The following words and symbols mark special messages throughout this guide.

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: 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, the computer serial number should be provided 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 1660 Model Portable Computer documentation set

Introducing Windows 95 Guide

Service Training Guides

Compaq Service Advisories and Bulletins

Compaq QuickFind

Compaq Service Quick Reference Guide

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Contents Maintenance & Service Guide Presario 1660 Model Maintenance & Service GuidePreface SymbolsCompaq Product DescriptionFollow the Preliminary Steps TroubleshootingIllustrated Parts Catalog Serial Number Location Removal and Replacement ProceduresParallel Connector Pin Signal Connector Pin AssignmentsIncreasing Battery Pack Operating Time Battery Pack Operating TimeModels and Features Controls and Lights Front Bezel Buttons Front Bezel Lights Left Side Components Right Side Components Bottom of Unit Rear Connectors Power Management Settings Power Management for WindowsRun Computer Checkup Preliminary StepsClearing the Power-on Password Running Post Power-On Self Test PostComputer Setup Compaq DiagnosticsShipping Preparation Contacting Compaq SupportProcedures Diagnostic Error CodesHard Drive Test Error Codes Diagnostic Error CodesBefore Replacing Parts Troubleshooting Without DiagnosticsAudio Problems Solving Minor ProblemsDisplay Problems Solving Minor ProblemsSolving Minor Problems Illustrated Parts Catalog Illustrated Parts Catalog Illustrated Parts Catalog Removal and Replacement Procedures Generating Static Electrostatic DischargeService Considerations Cables and Connectors ZIF Connectors Back to Cables Connectors Back to Cables and Connectors Ribbon cable position for the diskette drive Back to Cables Connectors Preparing the Computer for Disassembly Removing the Battery Pack Return to Removal Replacement Procedures Prepare the computer for disassembly Removing the Palmrest AssemblyRemoving the Palmrest Assembly Removing the Palmrest Assembly Removing the Keyboard and Heatspreader Next step Return to Removal Replacement Procedures To reinsert the processor Removing the ProcessorRemoving the Hard Drive Removing the mounting bracket Bracket, reverse the previous steps Removing the Upper CPU Cover Removing the DVD Drive Removing the DVD Drive Removing the Battery Charger Board Removing the Modem To replace the modem, reverse the previous steps Removing the Display Panel Assembly Slide the cable out of the connector cable guide Removing the Display Panel Assembly Removing the Display Panel Assembly Return to Removal Replacement Procedures Removing the Speaker Assembly Speakers Removing the Diskette DriveReturn to Removal & Replacement Procedures Removing the Fan Assembly Removing the System Board Return to Removal Replacement Procedures Remove the two long standoff nuts from the system board Removing the System Board Remove four screws from the system board Removing the System Board Return to Removal & Replacement Procedures Removing the Memory Module Return to Removal Replacement Procedures Physical and Environmental SpecificationsSystem I/O Address SpecificationsDiskette Drive Illustrated Parts Catalog Illustrated Parts Catalog AC Power Cord Miscellaneous Hardware Kit Spare Part Number Other parts not shown Description
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