HP 1900-XL160 manual Preparing the Computer for Disassembly, Electrostatic, Remove any PC Cards

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Maintenance & Service Guide

Presario 1900 Series

Models: XL1, XL160, XL161, XL162, XL163, and XL165

Before You Begin		Specifications		Parts Catalog

Removal Sequence		Troubleshooting		Battery Operations


Product Description		Pin Assignments		Index

Removal and Replacement Procedures

		Preparing the Computer for Disassembly
	Electrostatic	Preparing the Computer for Disassembly
	Discharge	Before beginning removal and replacement procedures, complete the following procedures:


	Service
	Service
	Considerations	1. Disconnect AC power and any external devices.

	Cables and	2. Remove the battery pack.
	Connectors	2. Remove the battery pack.


	Preparing the	3. Remove any PC Cards.
	Computer for
	Disassembly	4. Remove the wedge.

	Battery Pack
	Battery Pack
				The battery pack should be removed before performing any internal maintenance on

	Hard Drive		IMPORTANT:
				the computer.
	Keyboard			the computer.
	Keyboard


	Memory
	Module


	Modem		WARNING: Metal objects can damage the battery pack as well as the battery contacts in
			the battery compartment. To prevent damage, do not allow metal objects to touch the
	Heatspreader
	Heatspreader		battery contacts. Place only the battery pack for the Compaq Presario 1900 Series


	Processor
	Processor		Portable Computers into the battery compartment. Do not force the battery pack into
			the bay if insertion does not occur easily.
	Display Panel		the bay if insertion does not occur easily.
	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

DVD or CD

Drive

CAUTION: Do not crush, puncture, or incinerate the battery pack. Do not open a battery pack, as this damages the pack, makes it unusable, and exposes potentially harmful battery components. There are no field-serviceable parts located inside the battery pack.

The Compaq Presario 1900 Series Portable Computers have several screws of various sizes NOTE: which are not interchangeable. Care must be taken during reassembly to ensure that the

correct screws are used in their correct location. During removal please keep respective screws with their associate sub-assembly.

Image 39

Contents Battery Operations IndexPin Assignments Before You Begin Table Of ContentsMaintenance & Service Guide Preface SymbolsSpecifications Specifications Devices System TimerSystem DMA System I/O Address System Memory CatalogDisplay Information TFT Display Hard DrivesCD ROM Drive DVD Drive Illustrated Parts Catalog Before You Begin Specifications Parts CatalogSystem Unit Illustrated Parts CatalogSystem Unit Boards Illustrated Parts CatalogSystem Unit Display Panel Assembly Documentation Software Mass Storage DevicesMiscellaneous Hardware Plastics Kit System Unit Documentation and Software Description Spare Part NumberQuickFind Part Number Suffix CD- ROM Product Description Model Compaq Discovery 1900 Series Portable ComputerModel XL160 XL161 Model XL162 XL163 & NewModels Features Models Features Controls Lights Models Features Controls Lights Status Panel Right Side Components Bottom Unit Left Side Top Wedge Components Right Side Wedge Components Product Description Port Replicator Connectors Components Power Management RearProduct Description Integrated 10/100BaseT Ethernet Port Replicator ConnectorsPort Replicator Components Full Off Main Power Off Mode Power Management SettingsHibernation Mode Rebooting After a LockupExternal VGA Monitor Connector Parallel ConnectorSerial Connector Keyboard/Mouse ConnectorSerial Number Removal and Replacement ProceduresElectrostatic Discharge Generating StaticTypical Electrostatic Voltages Removal and Replcement Procedures Plastic Parts Cables and ConnectorsCables Select the desired illustrationRemoving a Cable from Zif Connector Remove the wedge Preparing the Computer for DisassemblyElectrostatic Remove any PC CardsTo remove the battery pack, complete the following steps Removing the Battery PackRemoving Hard Drive Removal and Replacement ProceduresRemoving the Keyboard Return to Removal Replacement Procedures Removing the Memory Module Removing the Modem Removal and Replacement Procedures Removing the Heatspreader with Thermal Pad Removal and Replacement Procedures Remove the larger half of the heatspreader Free Removing the ProcessorWhich can be easily damaged, if not properly removed Prepare the computer for disassembly Remove the keyboard Removing Inch Display Panel AssemblyRemoving the 13.3 inch 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 Fan Assembly System Board Speaker DVD or CD Drive System Board Speaker Assembly DVD or CD Drive Removing the Fan AssemblyRemoving the System Board Speaker Assembly DVD or CD DriveNext Step Removing Display Panel Assembly Hinge Bracket Illustration not shown but is forthcoming DVD or CD Drive Removing the DVD or CD- ROM Drive Prepare the computer for disassembly Disassemble the wedgeRemoving the DVD or CD-ROM Drive Troubleshooting Preliminary Steps Run Compaq diagnosticsRunning Post Power-On Self-Test MessagesClearing Power-on Password System Memory Compaq DiagnosticsComputer Checkup Test View System Information InspectShipping Preparation Contacting Compaq SupportProcessor Test Error Codes Diagnostic Error CodesBefore Replacing Parts Troubleshooting Without DiagnosticsSolving Power Problems Solving PC Card ProblemsSolving CD/DVD Drive Problems Solving Minor ProblemsSolving Audio Problems Solving Battery Pack and Battery Gauge ProblemsMinimizing the Energy Required Increasing Battery Pack Operating TimeConditioning a Battery Pack Disposing of a Used Battery Pack

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