Compaq 1688, 1687, 1685, 1694, 1683, 1693, 1692, 1690 manual System Board

Page 60

Presario 1600 Series

Models: 1683, 1685, 1687, 1688, 1690, 1692, 1693, and 1694

Before You Begin

 

Specifications

 

Parts Catalog

 

 

 

 

 

 

 

 

 

 

Removal Sequence

 

Troubleshooting

 

Battery Operations

 

 

 

 

 

 

 

 

 

Index

Product Description

 

Pin Assignments

 

 

 

 

 

 

Removal and Replacement

Prior to conducting any removal and/or replacement procedures, you should IMPORTANT: review and fully understand the section titled "Before You Begin".

Removal

System Board

Sequence

 

 

 

1.

 

Cables and

Prepare the computer for disassembly.

Connectors

2.

Remove the palmrest cover with touch pad.

 

3.

Remove the keyboard.

 

Battery Pack

4.

Remove the heatspreader.

 

 

Palmrest

5.

Remove the processor.

Cover with

6.

Remove the modem.

Touch Pad

7.

Remove the hard drive.

 

8.

Remove the display panel assembly.

Heatspreader

 

9.

Remove the Upper CPU cover.

 

Keyboard

10.

Remove the battery charger board.

 

 

Processor

11.

Remove the speaker assembly.

 

12.

Remove the diskette drive.

Hard Drive

 

13.

Remove the CD or DVD drive.

DVD or

14.

Remove the fan assembly.

CD Drive

 

 

 

 

 

When replacing the system board remove the memory module

Battery

IMPORTANT:

 

on the system board.

Charger

 

 

 

 

Board

Next Step

 

 

Modem

 

 

 

 

 

 

 

 

 

 

 

Display Panel

 

 

 

Assembly

 

 

 

 

 

 

 

 

 

 

 

Upper CPU

 

 

 

Cover

 

 

 

 

 

 

 

 

 

 

 

Speaker

 

 

 

Assembly

 

 

 

 

 

 

 

 

 

 

 

Diskette

 

 

 

Drive

 

 

 

 

 

 

 

 

 

 

 

Fan Assembly

 

 

 

 

 

 

 

 

 

 

 

System Board

 

 

 

 

 

 

 

Dip Switch

 

 

 

Settings

 

 

 

 

 

 

 

 

 

 

 

Memory

 

 

 

Module

 

 

 

 

 

 

 

Image 60
Contents Index Product Description Pin AssignmentsIndex Serial Number Locating Additional InformationSystem Interrupts System DMASystem I/O Address Parts Catalog Removal and Replacement IntroductionPost Increasing Battery Pack Operating Time Conditioning a Battery PackDisposal of a Used Battery Pack Minimizing the Energy RequiredProduct Description Connector Pin Assignments Connector Pin SignalBefore You Begin Electrostatic Electrostatic Discharge Generating StaticTypical Electrostatic Voltages DischargeService Considerations ServiceConsiderations Preparing the Computer for Disassembly Preparation for DisassemblyPart Description Spare Part Number Models 1692, 1693 Series CTO DescriptionSystem Unit System Boards System BoardsDescription Spare Part Number System Unit Display Assembly Display AssemblyMass Storage Devices Mass Storage DevicesMiscellaneous Cable Kit Miscellaneous Cable Kit1d Touchpad each Cable System Unit Miscellaneous Hardware Kit Miscellaneous Hardware KitDescription Quantity Miscellaneous Plastics Kit Miscellaneous Plastics KitMiscellaneous Parts Miscellaneous PartsDocumentation and Software Documentation and SoftwareCables and Connectors main Cables ConnectorsCables Select the Desired IllustrationMaintenance & service guide Removal ZIF ConnectorsRemoving a ZIF Cable Cables and Connectors Hard Drive RibbonCompaq Presario Series DVD or CD Drive RibbonDiskette Drive Ribbon Speaker Cable Assembly Removal Removing the Battery Pack step To replace the battery pack, reverse the previous procedures Removing the Palmrest Cover with Touch Pad Palmrest Cover with Touch PadRemoving the Palmrest Cover with Touch Pad steps 4 Previous StepRemoving the Palmrest Cover with Touch Pad step Previous StepsRemoval Heatspreader Removal steps 1 HeatspreaderRemoval Heatspreader Removal step Removal Removing the Keyboard KeyboardRemoval Removing the Processor ProcessorRemoval Replacing the Processor Removing the ProcessorRemoving the Hard Drive steps 1 Hard DriveRemoval Removing the Hard Drive step Product Description Removal Removal of DVD or CD Drive DVD or CD DriveRemoval Removal of DVD or CD Drive step Return Removing the Battery Charger Board Battery Charger BoardRemoval Removing the Modem steps 1 ModemRemoval Removing the Modem step Removal Removing the Display Panel Assembly Display Panel AssemblyRemoving the Display Panel Assembly step Assembly hinge covers Before You Begin Specifications Assembly Removing the Display PanelSteps 10 Removal Removing the Upper CPU Cover Upper CPU CoverRemoving the Upper CPU Cover steps 8 Removal Removing the Speaker Assembly Speaker AssemblyFan Assembly System Board Dip Switch Settings Memory Module Removal Removing the Diskette DriveRemoval Fan Assembly Fan AssemblySpecifications Parts Catalog System Board Removing the System Board step System BoardPrevious Step Remove three screws from the system board Important from the system board Dip Switch Settings System boardComputer and/or system board Removal Memory Module Memory ModuleRemoving the Memory Module step ReturnPreliminary Steps Preliminary StepsPower-On Self Test Post Running PostPreliminary Compaq Diagnostics Compaq DiagnosticsComputer Checkup Test View System Information InspectContacting Compaq Support Shipping PreparationContacting Compaq Support Hard Drive Test Error Codes Diagnostic Error CodesSolving Minor Problems Solving Audio ProblemsSolving Hard Drive Problems Solving Hardware Installation ProblemsModels and Features Hard Drive DVD or CD Modem System MemoryModel 1687 Model 1690Models and Controls and Lights Controls LightsModels and Front Bezel Lights Front Bezel LightsModels and Front Bezel Buttons Front Bezel ButtonsModels and Left Side Components Left Side ComponentsModels and Right Side Components Right Side ComponentsModels and Underside of Unit Underside UnitRear Connectors Models and Rear ComponentsPower Management for Windows Power Management PropertiesPow Display Properties