Acer AT2001 Manuale utente

AT2001

Service Guide

PRINTED IN TAIWAN

Service guide files and updates are available

on the AIPG/CSD web; for more information,

please refer to http://csd.acer.com.tw

Revision History

Please refer to the table below for the updates made on AT2001 service guide.

Date Chapter Updates

III

transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in

any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without

the prior written permission of Acer Incorporated.

Disclaimer

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

Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the

contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular

purpose. Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the

programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its

dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential

damages resulting from any defect in the software.

Acer is a registered trademark of Acer Corporation.

Intel is a registered trademark of Intel Corporation.

Other brand and product names are trademarks and/or registered trademarks of their respective holders.

Conventions

The following conventions are used in this manual:

Screen messages Denotes actual messages that appear

on screen.

NOTE Gives bits and pieces of additional

information related to the current

topic.

WARNING Alerts you to any damage that might

result from doing or not doing specific

actions.

CAUTION Gives precautionary measures to

avoid possible hardware or software

problems.

IMPORTANT Reminds you to do specific actions

relevant to the accomplishment of

procedures.

Preface

Before using this information and the product it supports, please read the following general information.

1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION

decided for Acer's "global" product offering. To better fit local market requirements and enhance product

competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g.

add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered

in this generic service guide. In such cases, please contact your regional offices or the responsible

personnel/channel to provide you with further technical details.

2. Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information

available on your regional web or channel. If, for whatever reason, a part number change is made, it will

not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer

office may have a DIFFERENT part number code to those given in the FRU list of this printed Service

Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and

service of customer machines.

Chapter 1 System Specifications....................................................1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

LCD Panel Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Display Electrical and Function Specifications . . . . . . . . . . . 10

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Mechanism Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Regulatory and Reliability Requirements. . . . . . . . . . . . . . . . 31

Chapter 2 Machine Disassembly and Reassembly.....................35

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Disassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Removing the Stand Assy . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Removing the IO Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Disassembly the Main Unit . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Chapter 3 Troubleshooting.........................................................44

Chapter 4 FRU(Field Replaceable Unit) List.............................47

Exploded Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

FRU List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Chapter 1 1

Features

The chapter describes the function and performance targets for the AT2001 LCD TV which can support PAL

systems.

LCD Panel

TMax. resolution: 800X600

TLamp Quantity:Direct 6 U-lamp

TDisplay area: 20 inches diagonal

TDisplay color: 16.7M(8 bits) colors

TInput Signal: TTL

TContrast ratio: 500:1 (Typical)

TBrightness: 450 cd/m2(Typical)

TResponse TIme: 16ms

TViewing angle: 80o(L)/80o(R), 60o(U)/60o(D)

I/O functions:

TRCA jack for Audio, Video

T21 Pin Euro-SCART(R.G.B)

T15 pin D-Sub for VGA

TS-Din for S-Video

TTV input: PH jack(for PAL system)

TAudio input: Stereo right and left on RCA jack

TAudio output: Earphone jack

Video Functions

TSupport PAL/NTSC/SECAM video format

TSupport 480i,480p format

TBuild in morion adaptive 2D Digital Comb filter

TBuild in Teletext functions

Mechanical

TTilt: 0,+15

TVESA mounting holes

SAP system

TNICAM, FM Stereo(A2)

Power Soutce:

TInput Voltage: 90~264V, 47~63 Hz

System Specifications

Chapter 1

2Chapter 1

TInput current: 1.5A

TMax.Power output: 63 Watts

TStand-by: 5 Watts Max.

Remote COntrollers

TMulti-function remote controller

Speaker

TInternal speaker. 3W*2 stereo, volume adjustable.

Others

TOn screen display adjustment function

TISP(In System Programming) function available for revising driver easily.

D D

C C

B B

A A

Decoder

SAA7154

Scaler & uP

WT8811S

VGA CONNECTOR LCD Panel

Sound Processor

AN5891

Audio Amp

TPA6011

L,R

LVDS Tx

THC63LVDM83R

Data BUS LVDS BUS

Earphone

Speakers

Data BUS I2C

I2C I2C

C1H-A For PAL Main Board BLOCK

Audio Selector

74HC4052

Page 2

Page 4

Page 3 R.G.B._H&V_SYNC

Page 6

Page 7 Page 8 Page 8

Buttons& IR/LED Receiver Board

Page 9,10

POWER DC-DC

15V/15VDDM/12V/9VA_A/5V/5VA/5V_AUD/5V_7154

3VDDM/3.3V/3.3VA/2.5VDDM/1.8V/1.8VA

I/O BOARD Connector

DVD

CONNECTOR

Sound(L,R) Input

PC Sound

Input

PC Sound(L,R)

Page 2

Teletext

Page 5

PAL(OPTION)

Tuner

HEAD_PHONE

SCART

Signal

CVBS_TTxTeletext

R,G,B

H-Sync

V-Sync

I2C

I2C=48H/49H I2C=82H

I2C=0X60H

DVD Sound(L,R)

DVD Video

DVD Board

Page 2

NTSC(OPTION)

Tuner Y,Cb,CrS1AV1AV1 S1

MUTE

TTL_BUS

AV2/OPTION

OPTION

10 PAGE DATA

MB BLOCK

110Thursday, December 30, 2004

SizeDocument Number Rev

Date: Sheet of

D D

C C

B B

A A

C1H-A PAL I/O Board BLOCK Diagram

TO M/B

Page 2

Tuner

FQ1216MK3

Page 3

AV RCA Connector S-Video

Page 3Page 3

SCART Connector

Page 4

Sound Processor

MSP 3415G

Page 5

CVBS1

SCART IN(L,R)

SCART OUT(L,R)

Page 5

Audio Switch

AV(L,R)

TV(L,R)

L,R

CVBS2

M/B BLOCK

1 5Thursday, December 30, 2004

SizeDocument Number Rev

Date: Sheet of

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