Compaq 8000 - Elite Convertible Minitower PC Bedienungsanleitung

Notice

The information in this guide is subject to change without notice.

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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.

1998 Compaq Computer Corporation.

Compaq and Deskpro are registered in the U. S. Patent and Trademark

Office.

Microsoft, MS-DOS, Windows, Windows NT, and other names of

Microsoft Products referenced herein are trademarks or registered

trademarks of Microsoft Corporation.

Product names mentioned herein may be trademarks and/or registered

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Maintenance & Service Guide

Compaq TFT8000 Flat Panel Monitor

First Edition (December 1998)

Part Number 307912-001

Compaq Computer Corporation

Preface v

preface

This Maintenance & Service Guide is a troubleshooting guide that can be used for reference when

servicing the Compaq TFT8000 Flat Panel Monitor. Only authorized technicians trained by

Compaq should attempt to repair this equipment.

Compaq Computer Corporation reserves the right to make changes to the Compaq TFT8000 Flat

Panel Monitor without notice.

Symbols and Conventions

The following words and symbols mark special messages throughout this guide:

!WARNING: Text set off in this manner indicates that failure to follow directions in the

warning could result in bodily harm or loss of life.

CAUTION: Text set off in this manner indicates that failure to follow directions could

result in damage to equipment or loss of data.

✎Text set off in this manner presents commentary, sidelights, clarifying information, or

specific instructions.

Technician Notes

!WARNING: Only authorized technicians trained by Compaq should attempt to repair this

equipment. All troubleshooting and repair procedures are detailed to allow only

subassembly/module level repair. Because of the complexity of the individual

components and subassemblies, no one should attempt to make repairs at the component

level or to make modifications to any printed wiring board. Improper repairs can create

a safety hazard. Any indications of component replacement or printed wiring board

modifications may void any warranty.

CAUTION: To properly ventilate your monitor, you must provide at least 3 inches (7.6

cm) of clearance at the back of the monitor.

CAUTION: The monitor is designed to be electrically grounded. To ensure proper

operation, plug the AC power cord into a properly grounded AC outlet only.

System Serial Number

The serial number is displayed on the monitor's back panel.

vi Preface

Locating Additional Information

The following documentation is available to support the monitor:

„#User’s Guide (hard copy)

„#Compaq Service Advisories and Bulletins

„#Compaq QuickFind

„#Compaq Service Quick Reference Guide

Contents iii

CONTENTS

Preface

Symbols and Conventions .............................................................................................v

Technician Notes ...........................................................................................................v

System Serial Number...................................................................................................v

Locating Additional Information..................................................................................vi

chapter 1

Removal and Replacement Procedures

1.1 Electrostatic Discharge........................................................................................ 1-1

1.1.1 Preventing Electrostatic Discharge........................................................... 1-1

1.1.2 Grounding Methods .................................................................................. 1-1

1.2 Serial Number...................................................................................................... 1-2

1.3 Features................................................................................................................ 1-3

1.4 Front Bezel Assembly Controls and LEDs.......................................................... 1-4

1.5 Disassembly and Assembly Procedures ............................................................. 1-5

1.5.1 Disconnecting the AC Adapter................................................................. 1-5

1.5.2 Disconnecting the Video Connector......................................................... 1-6

1.5.3 Separating the Monitor Base from the Monitor Panel.............................. 1-6

1.5.4 Replacing the Backlights .......................................................................... 1-8

1.5.5 Removing the Back Cover........................................................................ 1-9

1.5.6 Removing the Backlight Bulbs............................................................... 1-10

chapter 2

Illustrated Parts Map

.............................................................................................................. 2-1

Removal and Replacement Procedures 1-1

chapter 1

REMOVAL AND REPLACEMENT

PROCEDURES

This chapter provides removal and replacement assembly procedures for the Compaq TFT8000.

1.1 Electrostatic Discharge

A discharge of static electricity from a finger or other conductor may damage system boards or other

electrostatic-sensitive devices. This type of damage may reduce the life expectancy of the devices.

1.1.1 Preventing Electrostatic Discharge

To prevent electrostatic damage, observe the following precautions:

„#Avoid hand contact by transporting and storing products in electrostatic-safe containers.

„#Keep electrostatic-sensitive parts in their containers until they arrive at electrostatic-free

workstations.

„#Place parts on a grounded surface before removing them from their containers.

„#Avoid touching pins, leads, or circuitry.

„#Always be properly grounded when touching an electrostatic-sensitive component or

assembly.

1.1.2 Grounding Methods

There are several methods for grounding. Use one or more of the following methods when handling

or installing electrostatic-sensitive parts.

„#Use a wrist strap connected by a ground cord to a grounded workstation or computer chassis.

Wrist straps are flexible straps with a minimum of 1 megohm +/- 10 percent resistance in the

ground cords. To provide proper ground, wear the strap snug against the skin.

„#Use heel straps, toe straps, or boot straps at standing workstations. Wear the straps on both

feet when standing on conductive floors or dissipating floor mats.

„#Use conductive field service tools.

„#Use a portable field service kit with a folding, electrostatic-dissipating work mat.

✎If you do not have the suggested equipment for proper grounding, or if you need more

information on static electricity or assistance with product installation, contact a Compaq

authorized service provider.

1-2 Removal and Replacement Procedures

1.2 Serial Number

The monitor serial number should be given to Compaq when requesting information or ordering

Spare parts. The serial number is displayed on the monitor’s rear enclosure.

Locating the serial number

Removal and Replacement Procedures 1-3

1.3 Features

„#Large 18.1-inch (45.97 cm) viewable area display

„#1280 × 1024 resolution, plus full-screen support for lower resolutions

„#Wide viewing angle to allow viewing from a sitting or standing position, or moving side-to-

side

„#Removable base for flexible mounting solutions

„#Plugs into a standard VGA connector; does not require a special video adapter card

„#Plug and play capability if supported by your system

„#Universal Serial Bus (USB) bus-powered hub interface—plug and play connectors for use

with USB devices (mouse, keyboard, etc.)

„#On-Screen Display (OSD) adjustments in six different languages: English, Dutch, French,

German, Italian, and Spanish for ease of set-up and screen optimization

„#Programmable sleep mode timer

„#Security lock slot

„#Fault Management and AssetControl

„#Energy Saver feature for Energy Star compliance

„#Compliant with the following regulated specifications:

❏ Swedish MPR II 1990

❏ EPA Energy Star

❏ European Union CE Directives

❏ Swedish TCO 1995

1-4 Removal and Replacement Procedures

1.4 Front Bezel Assembly Controls and LEDs

The controls and LEDs located on the monitor’s front bezel assembly are identified below.

Front Bezel Controls and LEDs

No. Cable/Connector Function

nComputer Signal Switch Selects computer to monitor interface

oMenu Selection Button 1. Launches on-screen display

2. Selects function adjustments.

3. Exits menus and on-screen display.

pMinus Button Selects and adjusts the functions.

qPlus Button Selects and adjusts the functions

5Power Button Turns the monitor on and off.

6Power LED 1. Green indicates monitor is turned on.

2. Yellow indicates suspend mode.

3. Amber indicates sleep mode.

4. Blinking Green/Amber indicates programmable sleep

mode.

Removal and Replacement Procedures 1-5

1.5 Disassembly and Assembly Procedures

This section provides disassembly and assembly procedures for only the parts that are spared for the

Compaq TFT8000. Before you begin any of these procedures, be sure to turn off the power to the

monitor, computer system, and other attached devices; then disconnect the power cable from the

electrical outlet.

CAUTION: As you disassemble the monitor, be sure to place the screws in a safe place,

and separate them according to their groupings.

1.5.1 Disconnecting the AC Adapter

1. Disconnect the power cord 1from the wall socket.

2. Before removing the AC Adapter, disconnect the AC Adapter connector o

(Spare part nos. 307913-001/Opal, 307913-002/Carbon) from the monitor.

✎

Disconnecting the AC Adapter

To reconnect the AC adapter, reverse this procedure.

✎Replace the AC adapter if the monitor does not power on and

there is power to the AC adapter.

1-6 Removal and Replacement Procedures

1.5.2 Disconnecting the Video Connector

Disconnect the video connector from the monitor panel.

Disconnecting the Video Connector from the Monitor

1.5.3 Separating the Monitor Base from the Monitor Panel

1. Lay the front bezel on a soft area to prevent it from getting scratched, defaced, or broken.

2. Grasp the hinge cover 1and press it in on both sides. Then, lift up and pull off the hinge

cover. (Spare part nos. 307916-001/Opal, 307916-002/Carbon).

3. Remove the two screws 2as shown below.

Removing the Hinge Cover

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