compaq contura 400 family User Manual

Notice 
The information in this guide is subject to change without notice.
Compaq Computer Corporation shall not be liable for technical or editorial
errors or omissions contained herein; nor for incidental or consequential
damages resulting from the furnishing, performance, or use of this
material.
This guide contains information protected by copyright. No part of this
guide may be photocopied or reproduced in any form without prior written
consent from Compaq Computer Corporation.
Copyright 1994, 1995...

Preface 
This Maintenance and Service Guide is used for reference when servicing
the Compaq Contura 400 Family of Personal Computers.
Compaq Computer Corporation reserves the right to make changes to the
Compaq Contura 400 Family of Personal Computers without notice.
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Chapter 1. Illustrated Parts Catalog 
 
Introduction 
Chapter 1.1 Illustrated Parts Breakdown 
The computer combines a display assembly and system unit module. The
display and system unit module are joined together by clutches on either
side secured by screws in the chassis and display enclosure allowing it to
open and close. The system unit module is secured to the CPU base by screw
locks in the rear and screws in the bottom of the system unit enclosure.
The display assembly is secured by screws...

Chapter 1.2 Serial Number 
The computer serial numbers should be provided to Compaq whenever
requesting information or ordering spare parts. The serial number is
located on the bottom of the computer.
The serial number on the Docking Base is located on the rear of the base.
Chapter 1.3 System Unit Module Overview 
The system unit module (Figure 1-4) contains the following upgradable
components:
o Hard drive
o Memory expansion board
o Processor upgrade (Contura 400 only)
A complete list of replaceable...

o Battery pack and compartment components
o Keyboard assembly
o Integrated trackball assembly
o Diskette drive
o System board
o PC Card (PCMCIA) ejector rails and components
The hard drive, memory expansion board, and battery pack are accessed from
the bottom of the computer. To service the remaining system unit module
components, the keyboard assembly must be removed. Most major components
connect directly to the system board by connectors. The only cables in
this unit are the display assembly cable,...

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Models 400 and 410
This section provides a description of the system unit module components
for Models 400 and 410. These components are accessed from the bottom of
the computer:
o Hard drive -- The hard drive is easily replaced or upgraded from the
bottom of the computer. Remove two screws from the hard drive
compartment cover to access the hard drive. The hard drive mounts to the
system chassis with a hard drive bracket and...

PC Card ejection levers are replaceable, but are not interchangeable 
with those used in the Models 420 and 430.
o Diskette drive -- The diskette drive attaches to the system board by a bracket and three screws. It is connected by a diskette drive cable and 
LIF connector. The bracket attaches to the drive with four screws. The 
drive is protected by an insulator between the system board and the 
drive.
Models 420 and 430 
This section provides a description of the system unit module components 
for...

o Battery pack -- The Nickel Metal Hydride battery pack is accessedthrough the battery compartment.
To access the remaining system unit components, open the computer and 
remove the keyboard assembly. These components include the following: 
o Integrated trackball assembly -- This optical trackball is centrally located at the bottom of the keyboard assembly. The assembly consists of 
the trackball, retaining ring, and connector. The trackball assembly 
connects directly to the system board and is secured...

Chapter 1.4 Display Assembly Overview 
Display Assembly Description
This section provides a description of the display assembly and
components.
All display assemblies (Figure 1-5 and Figure 1-6) include the following
replaceable parts:
o Bezel
o Enclosure latches
o Inverter board
o Liquid crystal display (LCD) panel
o Shield
o Enclosure
o Display cable and display ground cable