Acer X233HZ Technical Information

1 Acer X233HZ&X243HQ Service Guide http://www.wjel.net

10LCD Panel Specification of X233HZ&X243HQ M236H1-L01 is a 23.6” TFT Liquid Crystal Display module with 4 CCFL Backlight unit and 30 pins 2ch-LV

11Back light Unit Electrical Characteristics http://www.wjel.net

12 Optical Specifications http://www.wjel.net

13Factory Preset Timing of X233HZ&X243HQ VESA MODES Horizontal Vertical Mode Resolution Total Nominal Frequency +/- 0.5kHz Sync Polarit

14Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, a usb board and a key board which house the flat panel control logi

15Main Board Diagram Flash Memory SST25VF010A (U402) Panel Interface (CN301) Crystal 12MHz (X401) Key control Interface (CN4

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

17Remark: 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)

18Main Board Layout Symbol Description Symbol Description U401 IC NT68667UFG/C QFP-128L CN402 WAFER U703 IC LD1117DT33TR DPAK CN701 WAFER

19Installation To install the monitor to your host system, please follow the steps as given below: Steps 1. 1-1 Connect Video Cable a. Make sure bo

2 Service Guide Version and Revision Version Release Date Revision History Customer model TPV model A00 Dec.-18-2008 Initial Release X233HZ&am

20 Attaching / Removing the Base Install: Align the release button on the bottom of the monitor with the corresponding slots on the bottom of the bas

21Operating Instructions Press the power butt

22eColor Management (OSD) Operation instructions Acer eColor Management Step 1: Press “ Key” to open the Acer e-Color Management OSD and access t

23How to Adjust a Setting 1. Press the MENU-button to activate the OSD window. 2. Press < or > to select the desired function. 3. Press the MEN

24If selected to “USER” item, will appear the Standard OSD Adjusting the picture The descriptions for function control LEDS htt

25 http://www.wjel.net

26 http://www.wjel.net

27How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature This monitor is equipped with VESA DDC2B capabilities according to the VE

3 Copyright Copyright © 2003 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, Transmitted, transcribed, stor

4 Preface Before using this information and the product it supports, please read the following general information. 1. This Service Guide provides y

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. 

6 Table Of Contents Chapter 1 Monitor Features ………………………………………… 7 Introduction ……………………………………… 7 Electrical Requirements ………………………………

7 Monitor Features Introduction

8 Electrical Requirements of X233HZ&X243HQ Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise

9 LCD Monitor General Specification Model name X233HZ&X243HQ LCD Panel Driving system TFT Color LCD Active Display Area 525.22 (H) x 297.22(