Compaq 1825, 1800T specifications Removing the System Board, Removal

Page 86

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 System Board

Removal

Sequence

 

 

To remove the system board, complete the following steps:

 

 

Electrostatic

 

Discharge

1. Prepare the computer for disassembly.

 

 

 

 

Service

2. Remove the palmrest cover with touchpad.

Considerations

 

 

 

 

Cables and

3. Remove the keyboard.

Connectors

 

 

 

 

 

Preparing the

4. Remove the heatspreader.

Computer for

 

Disassembly

5. Remove the status panel assembly.

 

 

Battery Pack

 

 

6. Remove the Internet Button board.

 

Palmrest

Cover with

 

Touch Pad

7. Remove the display panel assembly.

 

 

Keyboard

 

 

8. Remove the hard drive.

 

Status Panel

 

 

 

 

 

Internet

9. Remove the Upper CPU cover.

Button Board

 

 

 

 

 

Heatspreader

10. Disconnect the DisqPlay module cable from the system board.

 

 

Network

 

Interface Card

11. Remove the processor.

 

 

 

 

Modem

12. Remove the modem.

 

 

Hard Drive

 

 

 

 

 

DisqPlay

13. Remove the Network Interface Card.

Module

 

 

14. Remove the DVD or CD drive.

 

Processor

 

 

 

 

DVD or

15. Remove the fan assembly.

CD Drive

 

 

 

 

 

Display Panel

16. Disconnect the diskette or LS120 drive cable from the system board.

Assembly

 

 

 

 

 

Upper CPU

17. Remove the battery charger board.

Cover

 

 

 

 

 

Fan Assembly

18. Disconnect the speaker assembly cables.

 

 

Diskette Drive

Next Step

 

 

Battery

 

Charger Board

 

 

 

 

 

Speaker

 

Assembly

 

 

 

 

 

System Board

 

 

 

Memory

 

Module

 

 

 

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Image 86
Page 85 Page 87
Contents Page Page Symbols PrefaceProduct Description Troubleshooting Follow the Preliminary StepsIllustrated Parts Catalog Removal Sequence Removal and Replacement ProceduresSerial Number Location Specifications Connector Pin Assignments Conditioning a Battery Pack Battery Pack OperationsIncreasing Battery Pack Operating Time Disposing of a Used Battery PackHard Drive CD or DVD Drive Models and FeaturesModels and Features Modem Kbps Data/Fax with PCI NetworkingIntegrated Speakers Controls and LightsControls Lights Internet Zone Buttons Lights Internet Zone Buttons LightsFront Bezel Components Front Bezel ComponentsLeft Side Components with Diskette Drive Left Side ComponentsLeft Side Components with LS120 Drive Right Side Components Right Side ComponentsBottom of Unit Bottom UnitBack Connectors Back ConnectorsPort Replicator Components Port Replicator ComponentsPort Replicator Back Connectors Port Replicator ConnectorsPower Management for Windows Preliminary Steps Run Computer CheckupClearing the Power-on Password Power-On Self Test Post Running PostCompaq Diagnostics Computer Checkup TestContacting Compaq Support Shipping PreparationDiagnostic Error Codes Troubleshooting Without Diagnostics Before Replacing PartsSolving Minor Problems Solving Printer Problems Solving PC Card ProblemsSolving Power Problems Solving TouchPad/Pointing Device ProblemsSystem Unit System UnitDescription Part Number BoardsBoards Display Assembly Boards Display AssemblyDescription Spare Part Number Mass Storage DevicesMass Storage Devices Description Quantity Miscellaneous Cables KitMiscellaneous Cables Kit Miscellaneous Hardware Kit Miscellaneous Hardware KitMiscellaneous Plastics Kit Miscellaneous Plastics KitMiscellaneous Parts Miscellaneous PartsDocumentation and Software Documentation and SoftwareElectrostatic Discharge Generating StaticService Considerations Return to Removal & Replacement ProceduresSelect the desired illustration Cables and ConnectorsCables Plastic PartsBack to Cables and Connectors Ribbon cable position for the hard drive Ribbon cable position for the DVD or CD drive Ribbon cable position for the diskette drive Ribbon cable position for the LS120 drive Back to Cables and Connectors Cable position for the modem Cable position for the Network Interface Card Ribbon cable position for the keyboard Preparing the Computer for Disassembly Removal & Replacement Procedures Removing the Battery PackRemoving the Palmrest Cover with TouchPad Palmrest Cover with TouchPadRemoving Palmrest Cover with TouchPad Removal & Replacement Procedures Removing the Keyboard KeyboardRemoving Status Panel Assembly Status PanelRemoving the Status Panel Assembly Removal & Replacement Procedures Return to Removal Replacement Procedures Removing Internet Button Board Removal & Replacement Procedures Removing the Heatspreader Removing the Network Interface Card Removing the Modem Removing Hard Drive Removing the Hard Drive Mounting Brackets Removing the DisqPlay Module DisqPlay ModuleRemoving the Processor Replacing the Processor Removing the DVD or CD Drive DVD or CD DriveRemoval & Replacement Procedures Return to Removal Replacement Procedures Removing Display Panel Assembly Remove the status panel assemblyRemoving the Display Panel Assembly Return to Removal & Replacement Procedures Removing Upper CPU Cover Upper CPU CoverRemoving Fan Assembly Fan AssemblyRemoving the Fan Assembly Removing the Diskette or LS120 Drive Return to Removal & Replacement Procedures Removing Battery Charger Board Removing the Speaker Assembly Remove the Upper CPU coverRemoving the System Board RemovalRemove ten standoffs from the system board Removal & Replacement Procedures Remove four screws from the system board Before replacing Memory Module Removing Memory ModuleRemoving the Memory Module
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