HP 1915, 1930, 1925, 1920 manual Removing the Keyboard

Page 42

Maintenance & Service Guide

Presario 1900 Series

Models: 1900T, 1905, 1906, 1910, 1915, 1919, 1920, 1922, 1925, 1926, 1927, 1928, 1929, and 1930

Before You Begin

 

Specifications

 

Parts Catalog

 

 

 

 

 

Removal Sequence

 

Troubleshooting

 

Battery Operations

 

 

 

 

 

 

 

 

 

 

Product Description

 

Pin Assignments

 

Index

 

 

 

 

 

Removal and Replacement Procedures

Electrostatic

Discharge

Service

Considerations

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Hard Drive

Keyboard

Memory

Module

Modem

Heatspreader

Processor

Display Panel

Assembly

Upper CPU

Cover with

Palmrest and

TouchPad

Hard Drive/

Battery

Charger Board

Converter

Board

Low Voltage

Differential

Signal Board

Fan Assembly

System Board

Speaker

Assembly

Disassembling

the Wedge

DVD or CD

Drive

System to

Wedge

Interface

Board

Diskette Drive

Wedge to Port

Replicator

Interface

Board

How to use

Processor Jig

Removing the Keyboard

To remove the keyboard, complete the following steps:

1.Prepare the computer for disassembly.

2.Partially close the unit and place it on its side.

3.Slide the keyboard eject switch located in the center of the bottom of the unit to the right to release the keyboard.

Next Step

Image 42
Contents Battery Operations IndexPin Assignments Maintenance & Service Guide SymbolsBefore You Begin Specifications Specifications Specifications System DMA Display Information System I/O AddressSystem Memory Catalog TFT Display10.0-GB MetricDrive LS-120 Drive CD ROM Drive DVD Drive 24XIllustrated Parts Catalog Before You BeginIllustrated Parts Catalog System UnitBoards Documentation SoftwareDescription Spare Part Number Display Panel Assembly Description Spare Part NumberMass Storage Devices Mass Storage DevicesMiscellaneous Hardware Plastics Kit Miscellaneous Hardware Plastics Kit Description QuantityDescription Spare Part Number AC 45W 358976 Adapter 001 Documentation and Software QuickFind Part Number SuffixHard Drive System MemoryDiskette Drive MiscellaneousModels and Features Status Panel Left Side Components Bottom Unit Left Side Top Wedge ComponentsModels Features Controls and LightsControls Lights Status Panel Lights Port Replicator Connectors Components Power Management Left Side ComponentsRight Side Components Right Side ComponentsBottom of Unit Bottom UnitWedge Components Left Side Top Components Removable Drive WedgeRight Side Components Removable Drive Wedge Rear Connectors Product DescriptionIntegrated 10/100BaseT Ethernet Port Replicator Connectors Product DescriptionPort Replicator Components Integrated 10/100BaseT Ethernet Port Replicator ComponentsRebooting After a Lockup Power Management SettingsHibernation Mode Full Off Main Power Off ModeRemoval and Replacement Procedures Serial NumberTypical Electrostatic Voltages Electrostatic DischargeGenerating Static Relative Humidity Event 10% 40% 55%Removal and Replcement Procedures Select the desired illustration Cables and ConnectorsCables Plastic PartsZIF Connector Speaker Assembly Preparing the Computer for Disassembly How to use Processor JigRemoving the Battery Pack Battery PackRemoval and Replacement Procedures Removing the Hard DriveRemoving the Keyboard Return to Removal Replacement Procedures Removing the Memory Module Display Panel Assembly Removing the ModemRemoval and Replacement Procedures Removing the Heatspreader with Thermal Pad Removing the Modem Cover Removing Fan Mounting Bracket Disconnecting Fan Cable Removing the Processor Removing Display Panel Assembly Display Panel AssemblyRemoving the 13.3 Display Panel Assembly Removal and Replacement Procedures Removal and Replacement Procedures Next Step Return to Removal Replacement Procedures Removing the Upper CPU Cover with Palmrest and TouchPad Remove two screws on the rear of the unit Replacement Procedures Removing the Hard Drive/Battery Charger Board Removing Converter Board Low Voltage Differential Signal Board Removing the Fan Assembly To remove the fan assembly, complete the following stepsRemoving the System Board System BoardNext Step Next Step Index Speaker Assembly Disassembling the Removable Drive Wedge Disassembling WedgeDisassembling Removable Drive Wedge Removal and Replacement Procedures Removal and Replacement Procedures Remove the reinforcement bracket from the front of the wedge Removing the DVD or CD- ROM Drive DVD or CD ROM DriveRemoving DVD or CD-ROM Drive Removing the System to Wedge Interface Board Removing the Diskette Drive or the LS-120 Drive Remove the screw from Removing the Wedge to the Port Replicator Interface Board Electrostatic DischargeLocking Processor Unlocking Processor Troubleshooting Run Compaq diagnostics Preliminary StepsClearing Power-on Password Power-On Self-Test Messages Running PostDiagnostic Error Codes Processor Test Error CodesView System Information Inspect Compaq DiagnosticsComputer Checkup Test System MemoryContacting Compaq Support Shipping PreparationTroubleshooting Without Diagnostics Before Replacing PartsSolving Battery Pack and Battery Gauge Problems Solving Minor ProblemsSolving Audio Problems Solving CD/DVD Drive ProblemsSolving PC Card Problems Solving Power ProblemsDisposing of a Used Battery Pack Increasing Battery Pack Operating TimeConditioning a Battery Pack Minimizing the Energy RequiredPresario 1900 Series Keyboard/Mouse Connector Parallel ConnectorSerial Connector External VGA Monitor Connector
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