Page 2 - Initial
2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 Mar.-20-2008 Initial Release TA7ANCD8W7AYNN
Page 4 - Preface; user's authority to operate the equipment.
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 r...
Page 5 - Precautions; monitor from damage due to power surges.; Special Notes On LCD Monitors; then turn it on again to make sure the flicker disappears.
5 Precautions z Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. z 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....
Page 6 - Table Of Contents
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 …………………………...
Page 7 - Monitor Features; Introduction; Scope; Chapter 1
7 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, also supports VESA DPMS power management and plug &...
Page 8 - Electrical Requirements; Standard Test Conditions
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...
Page 9 - LCD Monitor General Specification
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) Contrast Ratio 1000 : 1 Response time 5ms LCD Panel Luminance of White 300(Typ.) cd/ ㎡ Separate Sync. H/V TTL H-Frequency 30kHz – 83kHz Input V-Frequency 56-75Hz...
Page 10 - LCD Panel Specification; General Specifications
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 cont...
Page 11 - Electrical Characteristics; TFT LCD Module
11 Electrical Characteristics TFT LCD Module － Power Specification Backlight Unit
Page 12 - Optical Specifications
Page 13 - Support Timing; Horizontal Vertical
13 Support Timing Horizontal Vertical Mode Resolution Total Nominal Frequency +/- 0.5kHz Sync Polarity Nominal Freq. +/- 1 Hz Sync Polarity Nominal Pixel Clock (MHz) 640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175 640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500 VGA 640x480@75Hz 840 x 500 37.500 N 75...
Page 14 - Monitor Block Diagram; Inverter Board
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. I...
Page 16 - Software Flow Chart
16 Software 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 18
Page 18 - Main Board Layout; Symbol Description Symbol Description; JS
18 Main Board Layout Symbol Description Symbol Description U402 AZ431AN-A-E1 CN701 WAFER 6PIN U401 NT68625HMFG-128 JS CN702 WAFER 9P RIGHT ANELE PITCH U702 AP1117E33LA CN403 D-SUB 15PIN CN101 CONNECTOR X401 NXS12.000AC30F-BT-2
Page 19 - Installation; Make sure both the monitor and computer are switched off.
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. 2 Connect the power cord Connect the power cord to the monitor, th...
Page 20 - Attaching/Removing the Base
20 Attaching/Removing the Base Attaching: Align the release button on the bottom of the monitor with the corresponding slots on the bottom of the base. Removing: Press the release button as indicated, then pull in the direction of the arrow to remove the base.
Page 21 - Operating Instructions; The power cord should be connected.; External Controls; Front panel controls; Chapter 2
21 Operating Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. • The power cord should be connected. • Connect the video cable f...
Page 23 - How to Adjust a Setting
Page 24 - Adjusting the picture
Page 26 - OSD Message; b. The Description For OSD Message; Item Description
26 OSD Message a. Outline b. The Description For OSD Message Item Description Auto Config Please Wait When Analog signal input, if User Press Hot-Key “Auto”, will show this message, and the monitor do the auto config function. Input Not Supported When the Hsync Frequency, Vsync Frequency or Resoluti...
Page 27 - Logo; How To Optimize The DOS-Mode
27 Logo When the monitor is power on, the LOGO will be showed in the center, and disappear slowly. How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the ho...
Page 28 - Machine Disassembly; Disassembly Procedure; Chapter 3
28 Machine Disassembly This chapter contains step-by-step procedures on how to disassemble the monitor for maintenance. Disassembly Procedure 1. Remove the cover hinge as the following indicator. (Fig 1) Fig 1 2. Remove the screws as following indicate to release base stand. (Fig 2) Fig 2 Chapter 3
Page 31 - Troubleshooting; Chapter 4
31 Troubleshooting This chapter provides troubleshooting information for the V203W: 1. No Power Chapter 4 No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the power section Check if X401 oscillate waveforms are nor...
Page 33 - Panel Power Circuit
33 3. Panel Power Circuit White screen Measure Q705 base is high level? X401 oscillate waveform is normal Check CN101 is solder and Q704,Q705 is OK? Check Correspondent component. Replace PANEL Check Correspondent component. Replace U401 OK OK OK Replace X401 OK NG NG NG NG Check reset circuit of U4...
Page 35 - No power
35 5. Power Board No power Check to CN902 Pin10,11 =14V and Pin6,7 = 5 V OK Check Interface board Check AC line volt 120V or 220V Change F901, Check BD901, L901, IC901 Check the voltage of C905(+) Check bridge retified circuit Check start voltage for the Pin2 of IC901 Change IC901 OK Check the auxil...
Page 37 - Connector Information; Chapter 5
37 Connector Information The following figure shows the connector locations on the monitor: Chapter 5
Page 38 - FRU (Field Replaceable Unit) List; Chapter 6
38 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of V203W.Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). NOTE: Please note WHEN ORDERING FRU PARTS, that you should...
Page 39 - Part List; Item Picture; Base
39 Part List Above picture show the description of the following component. Item Picture Description 1 Base 2 Main Frame 3 Panel
Page 41 - Schematic Diagram; Main Board; Chapter 7
41 Schematic Diagram Main Board 2K2 1/16W 5% R438 HS G1 VGA_VDD 1K 1/16W 5% R425 VSI 4 220pF C423 GI1 4 22pF C425 B1 D402 BAV99 3 1 2 75R 1/ 16W 5% R427 4K7 1/ 16W 5% R435 R1 VS D-SUB1 B1 HS 1K 1/16W 5% R430 SOGI 4 GI1- 4 R431 470R 1/16W 5% 100R 1/16W 5% R424 0.047uF C421 FB405 30 OHM 1 2 VS R434 10...
Page 42 - LVDS
42 T2M 4 LCD-VDD T5M Q705 PMBS3904 T1P 4 T7P 4 TCLK2M 4 PANEL_ON 4 T4M T1M TCLK1P 4 T7M 4 T0P 4 LCD-VDD T6M 4 T0P TCLK2M R713 10K 1/16W 5% T4P 4 T5P T4M 4 T5P 4 T6M T3M TCLK1M T0M 4 T2M CN101 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 LCD-VDD T4P C716 1uF 1...
Page 47 - Key board; ECOLOR; AUTO
47 Key board LED_RED# C 006 NC EC O LOR ECOLOR VOL+ R001 2K OHM 1/16W ECOLOR C 008 NC (GND) LBADC1 LED C005 NC CN001 CONN 1 2 3 4 5 6 C0 07 NC AUTO LED_RED# POWER_Key C002 NC LED001 LED 3 4 1 2 ME NU 0 V C001 NC POW E R _Key LBADC2 VOL+ LBADC2 C003 NC MENU CONNECTOR (GND) VO L- C004 NC AUTO R003 1K ...
