Compaq 1245 specifications Removing the Modem

Page 53

Maintenance & Service Guide

Presario 1200 Series

Model: 1245

Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations

Removing the Modem

Electrostatic

Discharge

Service

Considerations

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Cover with

Touch Pad

Heatspreader

Keyboard

Processor

Hard Drives

CD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

Upper CPU

Cover

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Dip Switch

Settings

Memory

Module

To remove the modem, complete the following steps:

1.Prepare the computer for disassembly.

2.Remove the palmrest cover with touch pad.

3.Remove the heatspreader.

4.Remove the keyboard.

5.Remove two screws securing modem and pull the modem off the connector on the system board.

Next Step

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Contents Maintenance & Service Guide Maintenance & Service Guide Preface SymbolsProduct Description CompaqBattery ES NiMH System Memory 32 MB Models & FeaturesDisplay 12 HPA Processor Hard Drive CD Drive 24× MAX ModemControls and Lights Front Panel ComponentsLeft Side Components Right Side Components Bottom of Unit Rear Connectors Power Management for Windows Display Properties Power Management SettingsPower Management Properties Sleep Mode To Initiate To End Indicators Hibernation ModeRebooting After a Lockup Servicing Your Computer Full Off Mode Illustrated Parts Catalog System Unit Place cursor over each device to obtain its part numberPlace cursor over each device to obtain its part number BoardsDisplay Assembly Place cursor over each device to obtain its part number Mass Storage DevicesMiscellaneous Cables Kit Cables Power CordMiscellaneous Hardware and Plastics Kit Miscellaneous Hardware and Plastics KitMiscellaneous Parts Spare Part Number Documentation and SoftwareDescription Serial Number Location Removal and Replacement ProceduresGenerating Static Electrostatic DischargeService Considerations Plastic Parts Cables and ConnectorsSelect the desired illustration ZIF Connectors Ribbon cable position for the 3.2-GB hard drive Ribbon cable position for the CD drive Ribbon cable position for the diskette drive Back to Cables and Connectors Preparing the Computer for Disassembly To remove the battery pack, complete the following steps Removing the Battery PackReplacement Procedures Removing the Palmrest Cover with Touch Pad Prepare the computer for disassemblyWhen replacing the palmrest cover, ensure Return to Removal Removing the Heatspreader Removing the Keyboard Removing the Processor To replace the processor complete the following steps Maintenance & Service Guide Removing the Hard Drive Presario 1200 Series Models Replacement Procedures Removing the CD Drive Maintenance & Service Guide To replace the CD drive, reverse the previous procedures Removing the Battery Charger Board Removing the Modem To replace the modem, reverse the previous procedures Removing the Display Panel Assembly Maintenance & Service Guide Maintenance & Service Guide Maintenance & Service Guide When removing the display panel assembly Return to Removal Removing the Upper CPU Cover Removing the Speaker Assembly Removing the Diskette Drive Fan Assembly System Board Dip Switch Settings Memory ModuleReplacement Procedures System Board Dip Switch Settings Memory Module Removing the Fan AssemblyTo replace the fan assembly, reverse the previous procedure Removing the System Board Remove three standoffs from the system board Maintenance & Service Guide Remove three screws from the system board To replace the system board, reverse the previous procedures Memory Module Removing the Memory ModuleReplacement Procedures Physical and Environmental SpecificationsHardware System Function System InterruptsSystem Interrupts Hardware DMA System Function System DMASystem DMA System I/O Address Address Hex System Function Shipping ConfigurationSystem I/O Address System Memory Catalog System Memory CatalogDisplay Memory Expansion Environmental Requirements Battery PackEnergy Diskette Drive Hard Drives Logical ConfigurationHard Drives Capacity Per Drive Formatted Seek TimesCD Drive 24× CD Drive DimensionsRotational Speed Typical Transfer RateConnector Pin Assignments Increasing Battery Pack Operating Time Battery Pack Operating TimeConditioning a Battery Pack Disposing of a Used Battery PackFollow the Preliminary Steps TroubleshootingRun Computer Checkup Preliminary StepsRunning Post Power-On Self Test PostProbable Cause Recommended ActionView System Information Inspect Compaq DiagnosticsPerform Computer Checkup Test Shipping Preparation Contacting Compaq SupportRemove the Palmrest Cover with Touch Pad Clearing the Power-on PasswordSelect error codes by number or type Diagnostic Error CodesBefore Replacing Parts Troubleshooting Without DiagnosticsSolving Minor Problems Solving Power Problems Solving PC Card Problems