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
II
Copyright
Copyright®2006 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced,
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.
IV
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.
V
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.
VI
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
Scart RGB
Tuner
SPEAKER-L
IR & power button B
d
Key Board
SPEAKER-R
INVERTE
R
PANEL
Board
POWER
M
AIN Board
Line Out
3Chapter1
LCD Main Board Block Diagram
Chapter14
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