Page 2 - Initial
2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 Apr.-2-2008 Initial Release TA7AM6D8W7AYDN/ TA7AM6D8W7AYHN
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 and 24 pin DVI connector, also supports VESA DPMS po...
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(Type) 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; WAFER
18 Main Board Layout Symbol Description Symbol Description CN402 WAFER CN102 DVI 24PIN CONNECTOR CN701 WAFER 9P RIGHT ANELE PITCH U103/U104/U105/ U106/U107 IC AZC099-04S SOT23-6L CN301 CONNECTOR U403 IC M24C04-WMN6TP SO8 CN101 D-SUB 15PIN U402 SST25LF020A-33-4C-SAE U401 IC TSUM5PFHL-LF U701 AP1117E3...
Page 19 - Installation
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 ...
Page 20 - Attaching/Removing The Base; Remove: Reverse the steps to remove the base.; Screen Position Adjustment; Height Adjustment
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 posi...
Page 21 - Tilt; Please see the illustration below for an example of the tilt range.; Swivel
21 Tilt Please see the illustration below for an example of the tilt range. Swivel With the built-in pedestal, you can swivel the monitor for the most comfortable viewing angle. Monitor Pivot Adjust height to the top position before rotation the monitor. Rotate clockwise until the monitor stops at 9...
Page 22 - Operating Instructions; The power cord should be connected.; External Controls; Front panel controls; Chapter 2
22 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 24 - How to Adjust a Setting
Page 25 - Adjusting the picture
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 HINGE ASSEMBLY as the following indicator. (Fig 1) Fig 1 2. Remove the back cover and bezel. (Fig 2) Fig 2 Chapter 3
Page 30 - Troubleshooting; Chapter 4
30 Troubleshooting This chapter provides troubleshooting information for the B203W: 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 32 - Panel Power Circuit
32 3. Panel Power Circuit White screen Measure Q301 base is low level? X401 oscillate waveform is normal Check CN301 is solder and Q301,Q302 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 U40...
Page 34 - No power
34 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 36 - Connector Information; Chapter 5
36 Connector Information The following figure shows the connector locations on the monitor: D-SUB connector Chapter 5
Page 37 - DVI Connector
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 B203W.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; HINGE ASSEMBLY
39 Part List Above picture show the description of the following component. Item Picture Description 1 HINGE ASSEMBLY 2 Main Frame 3 Panel
Page 41 - Schematic Diagram; Main Board; Prevent NC contact Discharge; from MVCC to ESD_VCC to; Chapter 7
41 Schematic Diagram Main Board R115 100R 1/16W 5% DSUB_V 2 DSUB_SC L C119 NC D DC2_SCL 2 Prevent NC contact Discharge => Connect NC Pin of CN101 to GND C121 1000pF DD C1_SDA 2 F B104 300 OHM U104 AZ C099-04S 1 2 3 4 5 6 I/O1GND I/O2 I/O3 VDD I/O4 VGA_R+ C N102 JACK 1 2 3 4 5 67 8 9 10 11 12 13 1...
Page 42 - Change the type
42 C302 0.1uF/16V PA[ 0. .9] LVB3M LVA0P RXOC- LVB3P U301 NC\AO4411 1 2 3 4 8 7 6 5 S S S G D D D D PB[ 0.. 9] PB9 3 PB4 C301 0. 1uF/ 16V RXEC+ PB1 LVB1M RXO0+ 1 LVA0M RXE3- RXO1+ PA3 PA8 Q302 2N3906S-RTK/PS PA7 LVB0P PB2 CMVCC LVA3M LVA2P RXO3+ PB[ 0. .9] 2 PANEL_VCC LVBCKM C303 NC S LVB0M PA6 PA1 ...
Page 45 - Power board
45 Power board ! +5V CN902 HARNESS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R907 NC C930 0.1uF MUTE R962 100 OHM 1/4W - + BD901 2KBP08M 2 1 3 4 L904 1.1uH ! ! R938 10K 1/8W Z D901 NC 1 2 ! R925 1K 1/8W HS3 HEAT SI NK(Q901) 12 + C915 470uF /16V D916 LL4148 T901 POWER X'FMR 4 5 6 7 8 9 10 11 12 4 61 3 D905 SP...
Page 47 - Layout; V type
47 R608 0R05 1/8W LOUT- C617 0.47uF/16V change R601 R613 +5V_Audio CN602 PHONEJACK 1 2 3 5 4 R605 10K 1/10W 5% R613 330 OHM +-5% 1/10W R617 1K 1/10W 5% CN604 ㎝ CN603 Layout U601 EUA6021AIIT1 56G 616 40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PGN D ROUT- PVD D RIN+ RIN- VD D LIN- LIN+ PV...
Page 48 - Key board; AUTO
48 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 ...
