HP 1234, 1242 manual Removing the Display Panel Assembly

Page 61

Presario 1200 Series

Models: 1234, 1235, 1236, 1237, 1238, 1240, 1242, 1250, and 1252

Before You Begin

 

Specifications

 

Parts Catalog

 

 

 

 

 

 

 

 

 

 

Removal Sequence

 

Troubleshooting

 

Battery Operations

 

 

 

 

 

 

 

 

 

Index

Product Description

 

Pin Assignments

 

 

 

 

 

 

Removing the Display Panel Assembly

Disassembly

Sequence

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 display panel assembly, 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 the modem.

6.Pull up the hinge covers and lift the covers off the chassis.

Carefully remove the

IMPORTANT: displaypanel assembly hinge covers.

Next Step

Image 61
Contents Parts Catalog Before You BeginRemoval Sequence IndexIndex Preface SymbolsProduct Description Specifications Parts CatalogProduct Description AMD-K6 266 MMX Models and FeaturesModels and Features Front Bezel Lights Controls and LightsControls Lights Left Side Components Models Features Controls LightsLeft Side Components Card Diskette Eject Drive Lever Slot ButtonBattery CD Drive Compartment Models Features Controls Lights Left Side ComponentsRight Side Components Right Side ComponentsBottom of Unit Rear Connectors Power Management For Windows Bottom of UnitBottom Unit Memory Feet CompartmentRear Connectors Rear ConnectorsPower Management For Windows Rear Connectors Power Management for Windows Post TroubleshootingPreliminary Steps Running Post Power-On Self Test PostDiagnostic Error Codes Computer Checkup Test Compaq DiagnosticsView System Information Inspect AudioShipping Preparation Contacting Compaq SupportBefore Replacing Parts Troubleshooting Without DiagnosticsSolving Minor Problems Solving Power Problems Solving PC Card ProblemsSolving Printer Problems Solving Touch Pad/Pointing Device ProblemsBattery Pack Operating Time Connector Pin Assignments Illustrated Parts Catalog System Unit System UnitSystem Unit BoardsBoards Display Assembly Display AssemblySystem Unit Boards Mass Storage Devices System Unit Boards Display AssemblyMass Storage Devices Mass Storage Devices Miscellaneous Cables KitMiscellaneous Cable Kit Cables Power CordCables Miscellaneous Hardware Plastics Kit Miscellaneous Hardware and Plastics KitsMiscellaneous Parts Documentation Software Miscellaneous Parts Miscellaneous PartsDocumentation Software Info. Not Available Documentation and SoftwareDocumentation QuickFind Part Number SuffixSerial Number Location Removal and Replacement ProceduresGenerating Static Electrostatic DischargeTo service the computer, you need the following Service ConsiderationsRemoving a Cable from a ZIF Connector Cables and ConnectorsCables Select the desired illustrationZIF Connectors Maintenance & Service Guide Ribbon cable position for the CD drive Ribbon cable position for the diskette drive Back to Cables and Connectors Battery Pack Removing the Battery PackRemove the battery Battery pack tabTo replace the battery Previous proceduresPalmrest Cover with Touch Pad Removing the Palmrest Cover with Touch PadBattery Operations Removing the Heatspreader Specifications Parts Catalog Removal SequenceHeatspreader To remove the heatspreader, complete the following stepsKeyboard Removing the KeyboardTo remove the keyboard, complete the following steps Disconnect the flex Connector onCable from the ZIF To replaceTo remove the processor, complete the following steps Removing the ProcessorTo replace the processor complete the following steps Hard Drives Removing the 3.2-GB, 4.1-GB, and 6.4-GB Hard DrivesDrive data cable from Disconnect the hardHard drive Remove fromDrive mounting bracket To remove the hardComplete the following StepsRemoving the CD Drive Open the CD drive tray using a small paper clip Drive cable from the CD Disconnect the CDDrive and remove CD drive fromBattery Charger Board Removing the Battery Charger BoardRemoving the Modem Modem cable from DisconnectModem To replace the modemDisplay Panel Assembly Removing the Display Panel AssemblyFrom the ZIF connector Display panel assemblyCable attached to On the system boardBacklight cable attached Assembly fromTo the display panel Support the back Assembly and removeDisplay panel Two screws from eachPanel assembly, reverse Panel assembly withWhen removing Assembly flexUpper CPU Cover Removing the Upper CPU CoverSpeaker Assembly Removing the Speaker AssemblyRemoving the Diskette Drive Fan Assembly System Board Dip Switch Settings Memory ModuleDiskette Drive To remove the diskette drive, complete the following stepsCable from the system Diskette drive dataBoard To replace the disketteFan Assembly Removing the Fan AssemblySystem Board Dip Switch Settings Memory Module Previous procedure Assembly, reverseFan assembly To remove the fanRemoving the System Board Dip Switch Settings Memory ModuleTo remove the system board, complete the following steps System BoardStandoffs from Remove threeFrom the CD Drive Remove two screwsMounting rails Remove the mountingScrews from the system Up the right side of the system board and pull Pull the Pcmcia eject lever out straight, liftForward to remove the system board from Specifications Memory Module Removing the Memory ModuleRelease the memory Pull side levers toModule and unplug Memory module fromPresario 1200 Series IndexWeight DimensionsStand-Alone Battery Pack Power Requirements AC Power RequirementsHardware IRQ System Function System InterruptsHardware DMA System Function Address Hex System Function Shipping ConfigurationMemory Address System Function System Memory CatalogTotal Power Consumption Display DimensionsContrast Ratio BrightnessCylinders High/Low Memory Expansion System Memory Expansion Board Total MemoryNumber of Read/Write Heads Capacity Per Drive Information not availableSeek Times Logical ConfigurationTransfer Rate Capacity Per DriveAverage Random Access Time Spin Up time Access TimeNickel Metal Hydride NiMH Lithium Ion Li ion Dimensions Weight Battery Pack Operating Time Energy
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1242, 1234 specifications

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