HP 1630 manual Preface, Symbols, Technician Notes Serial Number, Locating Additional Information

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Maintenance & Service Guide

Presario 1600 Series Portable Computers

Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog

Removal & Replacement Procedures Specifications Connector Pin Assignments Battery Pack

Preface

This Maintenance and Service Guide is a troubleshooting guide that can be used for reference when servicing the Compaq Presario 1625/1635 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: 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 1624/1625/1635/1636 Series Portable Computer documentation set

Introducing Windows 95 Guide

Service Training Guides

Compaq Service Advisories and Bulletins

Compaq QuickFind

Compaq Service Quick Reference Guide

Home

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Contents Maintenance & Service Guide Maintenance and Service Guide Maintenance & Service GuideLocating Additional Information SymbolsPreface Technician Notes Serial NumberCompaq Presario 1600 Series Portable Computers Product DescriptionTroubleshooting Illustrated Parts Catalog Removal & Replacement Procedure Serial Number LocationSerial Number Location Specifications Connector Pin Assignments Battery Pack Models & Features FeaturesModels Front of Unit Front of UnitLeft Side Components Left Side ComponentsRight Side Components Right Side ComponentsBottom Of Unit Preliminary Steps DiagnosticClearing the Power-On Password Clearing the Power-On PasswordRunning Post Power On Self Test PostBefore Replacing Parts Troubleshooting Without DiagnosticsKeyboard Solutions Solving Minor ProblemsSolving Keyboard/Numeric Keypad Problems Hard Drive Solutions Solving Hard Drive ProblemsSolving Hard Drive Problems Probable Cause Solutions Format a Diskette SolutionsSolving Audio Problems ProblemSolving Audio Problems Probable Cause Solutions Solving Battery Pack and Battery Gauge Problems Problem Probable Cause Solutions Power SolutionsSolving Power Problems Solving Power ProblemsCD Drive Solutions Solving CD Drive ProblemsSolving CD Drive Problems Probable Cause Solutions Solving Hardware Installation Problems Hardware Installation SolutionsMemory Solutions Solving Memory ProblemsProblem Solving Memory Problems Probable Cause Solutions Global Settings tab, PC Card SolutionsSolving PC Card Problems Solving PC Card Problems Probable Cause SolutionsSolving Printer Problems Printer SolutionsTouch Pad Solutions Solving Touch Pad/Pointing Device ProblemsSolving Touch Pad/Pointing Device Problems Cause Solutions Error Codes Description Spare Part Number System UnitLCD BoardsDisplay Mass Storage Devices AC Power Cords Not Shown Description Spare Part Number CablesModem Cables Description Spare Part Number Miscellaneous Hardware and Screws Miscellaneous Parts Description SpareReturn Kits Description Quantity Electrostatic Discharge Service Considerations Tool and Software RequirementsScrews Plastic Parts Cables and ConnectorsSpeaker Assembly Cable Installation Cable PositionsSequence ChartRemoving the Battery Pack Removing the Screws from the Palmrest Cover with Touch Pad Removing The Palmrest Cover with Touch PadRemoving the Palmrest Cover with Touch Pad Disconnecting the Palmrest Cover with Touch Pad Removing The Keyboard Removing the Keyboard Removing Screws and Heatspreader Removing The HeatspreaderReleasing and Removing the Status Panel Cover Removing The Status PanelBack to Preparing Computer for Disassembly Removing the Screws from the Interface Board Removing The Interface BoardMaintenance & Service Guide Removing the Interface Board with Header Attached Interface Board Components Designator Connector Interface BoardInterface Board Components Removing The Hard Drive Disconnecting the Hard Drive Data Cable from the Hard Drive Removing The Battery Charger Board Removing the Screws and the Battery ChargerBoard Removing the Screws from the CD Drive Removing The CD DriveOpening the CD Drive Tray Releasing the Lever Disconnecting the CD Drive Cable from the CD Drive Hard Drive Removing the Hinge Covers Removing The Display AssemblyRemoving Screws from the Display Assembly Removing the Display Assembly with Flex Cable Attached Removing the Screws from the Plastic Subpanel Assembly Removing The Plastic Subpanel AssemblyReleasing the Plastic Subpanel Assembly Removing the Plastic Subpanel Assembly from the Chassis Removing The CD Drive Cable Disconnecting the CD Drive Cable from the System BoardRemoving the Screws from the CD Guide Support Bracket Removing The Speaker AssemblyCable routing Removing The Modem Assembly Removing the Modem from the ChassisDisconnecting the Modem Cable from the Modem Removing The Diskette Drive Disconnecting the Diskette Drive Cable from the System BoardRemoving the Diskette Drive Standoff Remove the Diskette Drive from the Chassis Removing The Fan Status Panel Removing the Screws and Audio Assembly Board Removing The Audio Assembly BoardRemoving The System Board Removing the Screws and Standoffs from System Board Maintenance & Service Guide Dip Switch Settings CPU Core Voltage SettingDip Switch System Board Settings Removing the Screw from the Memory Module Door Removing The Memory ModuleRemoving the Memory Module from the System Board Rear Connectors Rear ConnectorsSystem Overview Port ReplicatorPower Management Port Replicator Rear Connectors Port Replicator Rear ConnectorsPin Connectors
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