Acer AT2621/22 Manuel utilisateur

Acer AT2621/22 LCD TV

ServiceGuide

PRINTED IN CHINA

Service guide files and updates are available on

the ACER/CSD web. For more information,

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

Revision History

Pleaserefer tothe table below for the updates ofLCD TV AT2621/22 serviceguide.

Date Chapter Updates

2007/10/10 Chapter 1 ~ 3 1st edition

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.

III

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 Incorporated.

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, you should check the most up-to-date information available

on your regional web or channel. For whatever reason, if 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 Specification

Specification

LCD Panel

Max. resolution: 1366 x 768

6 CCFTs Backlight system

Display area: 575.769 (H) x 323.712 (V)

Display color: 16.7 M colors

Input Signal: 1-ch LVDS

Contrast ratio: 800:1 ( Typical )

Brightness: 500 Cd/m² ( Typical )

Response Time: 8 ms ( Gray to Gray )

Viewing angle: 80° ( L ) / 80° ( R ), 80° ( U ) / 80° ( D )

I/O functions

21 pin Euro-SCART ( RGB ) for Video, S-Video, R.G.B. and Audio

21 pin Euro-SCART ( RGB ) for Video, S-Video, R G B and Audio

RCA jack ( YUV and CVBS ) for YPbPr, YCbCr, Video and Audio

RCA jack ( R and L) for Audio Line Out (the output will change according to user’s selection)

15 pin D-Sub for VGA

19 pin HDMI connector * 2

DIN45325 ( IEC169-2 ) Terminal for TV / CATV input

3.5 mm∮Earphone jack for PC Audio Line input

Video Functions

Support PAL / NTSC / SECAM video format

Support 480i/576i, 480p/576p, 1080i and 720p format

Build in Teletext functions

Build in Dynamic adaptive smoothing filter

Build in Dynamic temporal frame-filtering Noise Reduction

Build in Dynamic motion and edge adaptive De-interlacing

1Chapter1

Film mode 3:2 & 2:2 pull down

Screen display model: Auto / 4:3 / 16:9 / panorama / Letterbox 1,2,3

Mechanical

VESA mounting holes

Compatibility

Multi-Sound system

NICAM

FM Stereo ( A2 )

Power Source

Input voltage: AC: 90 ~ 264 V, 47 ~ 63 Hz

Input current: 1A (AC 220V)

Power consumption: 161 Watts

Stand-by: 2 Watts Max.

Remote controllers

Multi-function remote controller

Speaker

Internal speaker: 5 W x 2 stereo

Others

On screen display adjustment function

ISP ( In System Programming ) function available for revising driver easily

Chapter12

System Block & Wiring Diagram

I/O Board

Scart RGB

Tuner

SPEAKER-L

IR & power button B

Key Board

SPEAKER-R

INVERTE

PANEL

Board

POWER

AIN Board

Line Out

3Chapter1

LCD Main Board Block Diagram

Chapter14

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