Acer B203W user manual

User manual for the device Acer B203W

Device: Acer B203W
Category: Computer Monitor
Manufacturer: Acer
Size: 3.68 MB
Added : 8/12/2013
Number of pages: 48
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Summary of the content on the page No. 1
















Acer B203W
Service Guide















1

Summary of the content on the page No. 2

Service Guide Version and Revision Version Release Date Revision History TPV model TA7AM6D8W7AYDN/ A00 Apr.-2-2008 Initial Release TA7AM6D8W7AYHN 2

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Copyright Copyright © 2003 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. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated mak

Summary of the content on the page No. 4

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 FE

Summary of the content on the page No. 5

Precautions Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance. Use only a trolley or stand recommended by the manufacturer or sold with the monitor. If you mount the monitor on a wall or shelf, uses a mounting kit approved by the manufacturer and follow th

Summary of the content on the page No. 6

Table Of Contents Chapter 1 Monitor Features ………………………………………… 7 Introduction ……………………………………… 7 Electrical Requirements ……………………………………… 8 LCD Monitor General Specification ……………………………………… 9 LCD Panel Specification ……………………………………… 10 Support Timing ……………………………………… 13 Monitor Block Diagram ……………………………………… 14 Main Board Diagram ……………………………………… 15 Software Flow chart ……………………………………… 16 Main Board Layout ……………………………………… 18 Installation ……………………………………… 19 Attaching/Removing the bas

Summary of the content on the page No. 7

Chapter 1 Monitor Features Introduction Scope This specification defines the requirements for the 20” MICROPROCESSOR based Multi-mode supported high resolution color LCD monitor. This monitor can be directly connected to general 15-pin D-sub VGA connector and 24 pin DVI connector, also supports VESA DPMS power management and plug & play function. Description The LCD monitor is designed with the latest LCD technology to prov

Summary of the content on the page No. 8

Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient light Dark room (< 1 cd/m2) Viewing distance 40 cm for LCD performance, 20 cm for LCD failures Warm up time >30 minutes Analog Input signal 700 mVss Control temperature 6500 °K (e-Color set to “User” mode) Brightness control The value under user mode Set to The value under user mode, which allows that the brightest User contrast control

Summary of the content on the page No. 9

LCD Monitor General Specification Driving system TFT Color LCD Active Display Area 433.41(H) x 270.90(V) Pixel pitch 0.258(H) x 0.258(W) LCD Panel Contrast Ratio 1000 : 1 Response time 5ms Luminance of White 300(Type) cd/ ㎡ Separate Sync. H/V TTL Input H-Frequency 30kHz – 83kHz V-Frequency 56-75Hz Viewing angle CR=10: H:170 / V:170 ( type) ;CR=5: H:176 / V:176 ( type) Display Colors 16.7M Display mode 1680 x 1050 @60Hz ON Mode < 49W EPA ENERGY STAR® OFF Mode < 1W Set to The

Summary of the content on the page No. 10

LCD Panel Specification This specification applies to the 20.1 inch-wide Color TFT-LCD Module M201EW02. The display supports the WSXGA+ (1680(H) x 1050(V)) screen format and 16.7M colors (RGB 6-bits+Hi-RFC data). All input signals are 2 Channel LVDS interface compatible. This module does not contain an inverter card for backlight. General Specifications Functional Block Diagram 10

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Electrical Characteristics TFT LCD Module -Power Specification Backlight Unit 11

Summary of the content on the page No. 12

Optical Specifications 12

Summary of the content on the page No. 13

Support Timing Horizontal Vertical Nominal Sync Nominal Sync Nominal Frequency Polarity Freq. Polarity Pixel Mode Resolution Total +/- 0.5kHz +/- 1 Hz Clock (MHz) 640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175 VGA 640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500 640x480@75Hz 840 x 500 37.500 N 75.00 N 31.500 800x600@56Hz 1024 x 625 35.156 N/P 56.250 N/P 36.000 800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.000 SVGA 800x600@72Hz 1040 x 666 48.077 P 72.188 P 50.000 800x600@75Hz

Summary of the content on the page No. 14

Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, and key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage. Flat Panel and CCFL Drive. CCFL backlight Inverter Board Main Board (include adapter) Input : Input : Key board D-SUB Signal DVI Signal

Summary of the content on the page No. 15

Main Board Diagram Crystal LCD Interface (X401) (CN301) 14.31818MHZ Key Board U401 Control Scalar IC TSUM5PFHL-LF (CN402) (Include MCU ,ADC, OSD) · H sync V sync RGB D-Sub DVI Connector Connector (CN101) (CN102) 15

Summary of the content on the page No. 16

Software Flow Chart 1 Y 2 3 N N 4 N 5 Y 6 N 7 8 Y Y 9 N 10 11 Y N N 12 13 Y Y N 14 15 16 Y 17 N 18 19 Y 16

Summary of the content on the page No. 17

Remark: 1) MCU initializes. 2) Is the EEPROM blank? 3) Program the EEPROM by default values. 4) Get the PWM value of brightness from EEPROM. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode. 9) Save the power key status into EEPROM. Turn on the LED and set it to green color. Scalar initializes. 10) In standby mode? 11) Update the lifetime of back light. 12) Check the analog port, are there any signals coming?

Summary of the content on the page No. 18

Main Board Layout Symbol Description Symbol Description CN402 WAFER CN102 DVI 24PIN CONNECTOR U103/U104/U105/ CN701 WAFER 9P RIGHT ANELE PITCH IC AZC099-04S SOT23-6L U106/U107 CN301 CONNECTOR U403 IC M24C04-WMN6TP SO8 CN101 D-SUB 15PIN U402 SST25LF020A-33-4C-SAE U401 IC TSUM5PFHL-LF U701 AP1117E33LA 18

Summary of the content on the page No. 19

Installation To install the monitor on your host system, please follow the steps below: Steps 1.Connect the video cable A: Make sure both the monitor and computer are switched off. B: Connect the VGA video cable to the computer. C: Connect the digital cable (only for dual-input models). (1) Make sure both the monitor and computer are switched off. (2) Connect one end of the 24-pin DVI cable to the back of the monitor and the other end to the computer's port. 2.Connect the power cord

Summary of the content on the page No. 20

Attaching/Removing The Base Install: Align the base with the stand and push the base towards the top of the monitor, and then rotate the base clockwise. Tighten the screw clockwise. Remove: Reverse the steps to remove the base. Screen Position Adjustment In order to optimize the best viewing position, you can adjust the height/tilt/swivel/pivot of the monitor. Height Adjustment After pressing the top of the monitor, push the lock button towards right, then you can adjust the height


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