Acer X203H Service Manual
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Acer X203H Service Manual

Acer computer monitor user manual
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Product Service Manual – X203H
Service Manual for acer: X203H
P/N : 9J.0VH14.T1K
Applicable for All Regions
Version : 001
Date : 2009/5/8
Notice:
- For RO to input specific "Legal Requirement" in specific NS regarding to responsibility and liability
statements.
First Edition (May, 2009)
© Copyright Acer Corporation 2009. All Right Reserved.
- 1 -

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Summary of Contents for Acer X203H

  • Page 1 Applicable for All Regions Version : 001 Date : 2009/5/8 Notice: - For RO to input specific “Legal Requirement” in specific NS regarding to responsibility and liability statements. First Edition (May, 2009) © Copyright Acer Corporation 2009. All Right Reserved. - 1 -...

  • Page 2: Table Of Contents

    Content Index Abbreviations & Acronyms...3 1. About This Manual...3 1.1 Trademark ... 3 2. Introduction ...4 2.1 RoHS (2002/95/EC) Requirements... 4 2.2 Safety Notice... 4 2.3 Compliance Statement... 4 2.4 General Descriptions ... 4 3. Product Overview ...5 3.1 Introduction ... 5 3.2 Operational Specification ...

  • Page 3: Abbreviations & Acronyms

    Abbreviations & Acronyms 1. About This Manual This manual contains information about maintenance and service of acer products. Use this manual to perform diagnostics tests, troubleshoot problems, and align the acer product. Trademark The following terms are trademarks of Acer Inc. :...

  • Page 4: Introduction

    2. Introduction This section contains general service information, please read through carefully. It should be stored for easy access place for quick reference. 2.1 RoHS (2002/95/EC) Requirements – Applied to all countries require RoHS. The RoHS (Restriction of Hazardous Substance in Electrical and Electronic Equipment Directive) is a legal requirement by EU (European Union) for the global electronics industry which sold in EU and some counties also require this requirement.

  • Page 5: Product Overview

    3. Product Overview 3.1 Introduction X203H is defined as our new 20’W model in ACER V series which will be the ACER project in Qisda. X203H is defined as 20’W LCD Monitor supports 1600(H) x 900(V) resolution with DPMS (Display Power Management System) and ACER eColor function. There are double input types, D-sub, and DVI.

  • Page 6: Operational Specification

    AC power input DC power input (with AC power adapter) DPMS supported LED indicator for power status showed OSD for control & information supported Multi-language supported for OSD Buttons control supported Flywheel control supported Scaling function supported Auto adjustment function supported DDC function supported (EDID ver.
  • Page 7 IEC1000-4-5 (Surge) CCFL operation range 90 ~ 264VAC CCFL Frequency 90 ~ 264VAC Power cord 3.2.2 Signal interface Item Condition 15-pin D-Sub Signal Cable 24-pin DVI-D 15-pin D-sub connector 24-pin DVI-D Pin assignment connector 19-pin HDMI connector Signal type Analog input Level Impedance Signal type...
  • Page 8 Signal Assignment Red video Green video Blue video Ground Cable Detected Red Ground Green Ground Blue Ground Note-2: The pin assignment of 24-pin DVI-D connector is as below, Signal Assignment TMDS RX2- TMDS RX2+ TMDS Ground Floating Floating DDC Clock DDC Data Floating TMDS RX1-...

  • Page 9: Support Timings

    3.2.4 Scan range Item Condition Horizontal Vertical 3.2.5 Plug & Play DDC2B DDC-CI Support Item Condition DDC channel type EDID DDC-CI 3.2.6 Support Timings 640x480@60Hz 640x480@72Hz 640x480@75Hz 640x480@66.66Hz 720x400@70Hz 800x600@56Hz 800x600@60Hz 800x600@72Hz 800x600@75Hz 832x624@74.55Hz 1024x768@60Hz 1024x768@70Hz 1024x768@75Hz 1152x870@75Hz 1152x864@75Hz 1280x960@60Hz 1280x1024@60Hz 1280x1024@75Hz 1280x720@60Hz...

  • Page 10: Operational & Functional Specification

    1. Show “Input Not Supported” warning message. When Vertical Frequency is over 76Hz or under 56Hz, the display is Black and showing “Input Not Supported” warning message. (HDMI supports 50Hz for PAL video signals.) 2. If Hf /Vf is set in the range of 31KHz~83KHz and 56Hz ~76Hz, but is not the above Resolution, then it will display the nearest mode.
  • Page 11 At R/G/B saturated Brightness condition Response time Rising + Falling time At Contrast ratio = 10 Viewing angle At Contrast ratio = 10 CIE coordinate of White Display colors 3.3.2 Brightness Adjustable Range Item Condition At default contrast level (saturate point) & Full- Brightness adjustable white color pattern range...
  • Page 12 3.3.5 Transportation Item Condition (1) Vibration Package, Non-Operating Unpackaged, Non- (2) Unpackaged Vibration Operating (3) Drop Package, Non-Operating Wooden package, Non- (4) Shock Operating 3.3.6 Electrostatic Discharge Requirements Item Condition Electrostatic Discharge IEC801-2 standard Spec Test Specification: 1. Frequency Hertz 5 ~ 250 HZ , PSD Level 0.0054 (G2/Hz) 2.
  • Page 13 3.3.7 EMC Item Condition Electric TCO03 Magnetic FCC part 15J class B EN55022 class B 3.3.8 Reliability Item Condition MTBF Prediction Refer to MIL-217F At 25 2 , under CCFL Life time 7.0mA Note-4: CCFL lifetime is determined as the time at which brightness of lamp is 50%. The typical lifetime of CCFL is on the condition at 7.0mA lamp current.

  • Page 14: Lcd Characteristics

    3.4 LCD Characteristics 3.4.1 The Physical definition & Technology summary of LCD panel SEC LTM200KT03 Item Condition LCD Panel Supplier Panel type of Supplier Screen Diagonal Display area Unit=mm Physical Size Unit=mm Weight Unit=gram Technology Pixel pitch Unit=um Pixel arrangement Display mode Support color LGD LM200WD1-TLC1...
  • Page 15 3.4.2 Optical characteristics of LCD panel SEC LTM200KT03 Item Viewing Angle Contrast ratio Response Time Color / Chromaticity Coordinates (CIE) Color Coordinates (CIE) White Luminance Uniformity White Luminance @ CCFL 7.0mA (center) Crosstalk (in 75Hz) LGD LTM200WD1-TLC1 Item Viewing Angle Contrast ratio Response Time Color / Chromaticity...

  • Page 16: User Controls

    3.5 User Controls 3.5.1 User’s hardware control definition Item Condition Power button Auto button(Exit button) Right/Inc. button Left/Dec. button Menu button Mode button Input Select button E-Key button Mute button 3.5.2 OSD control function definition Item Condition Auto Adjust Brightness Contrast Horizontal Position Vertical Position...

  • Page 17: Mechanical Characteristics

    Acer eColor Management Exit PS: “E-key” +” Power” to enter factory mode The detailed firmware functions’ specification, please refer to C212 S/W spec. document. 3.6 Mechanical Characteristics 3.6.1 Dimension Item Condition Bezel opening Monitor without Stand W x H x D mm...

  • Page 18: Pallet & Shipment

    3.7 Pallet & Shipment 3.7.1 Container Specification Stowing Type Container With pallet Without pallet 3.7.2 Carton Specification 3.7.2.1 Product: Net Weight (Kg) Gross Weight (Kg) 4.1kg 5.6 kg 3.7.2.2 Package: Carton Interior Dimension (mm) L*W*H 532*126*399mm Quantity of Quantity of Products products (sets) (sets) (Every...

  • Page 19: Certification

    3.8 Certification Item Condition Green design Blue Angel E-2000 Environment TCO’99 TCO’03 MPR2 Green Mark Microsoft Windows DPMS PC-Monitor DDC 2B UL (USA) CSA (Canada) Nordic / D.N.S.F FIMKO CE Mark Safety TUV/GS CCC (China) GOST TUV type-approved SASO CE Mark FCC (USA) EN55022 CISPR 22...

  • Page 20: Packing

    DHHS (21 CFR) DNHW X- Ray Requirement TUV / Ergo Ergonomics ISO 13406-2 prEN50279 3.9 Packing USA X- Ray Standard German X- Ray standard √ - 20 - √ √ √ √ √...

  • Page 21: Disassembly /Assembly

    Assembly Disassembly / 4.1 Exploded View - 21 -...
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  • Page 23: Disassembly /Assembly

    4.2 Disassembly /Assembly 4.2.1 Assembly SOP Preparation before assemble 1. Clean the room for work 2. Identify the area for material 3. Prepare the implement, equipments, materials as bellow: 1) Press-fixture 2) working table 3) Screw-driver 4) knife*1 5) glove 6) cleaning cloth 7) ESD protection item...
  • Page 24 Assemble the SPK to the main-SHD, the correct position Screw-driver reference on the picture, then the lock 4 screws to fasten it. Assemble the FFC to the I/F, the correct position reference on the picture Assemble the PCBA to Main-SHD Lock 3 screws on the PCBA board with this Screw-driver...
  • Page 25 Scan for fooling Fasten the LVDS to panel and fix the Main- BKT to CLM-F Stick one Al foil on the right between pane land Main-BTK only for SEC panel Stick two pieces of Al foil on the under between panel and Main-BTK only for SEC panel Lock screws of side on...
  • Page 26 Mylar Assemble the L-SHD the correct position reference on the picture Insect the inverter wire one by one and insect the speaker wire Stick a tap to fix the speaker wire Stick a Mylar under the audio connector - 26 - Keep all wires in.
  • Page 27 Stick an acetic tape to fix the wire one by one as the picture Fix the big Al tape to panel Assemble the C/B wire to the C/B connect Assemble the C/B to the BZL and insert the C/B wire to the I/F BD - 27 - Not fix the panel to the edge...
  • Page 28 Fix the C/B wire to the Check and put CLM-F on the Main-Chassis carefully. Assemble the Rear Cover. Check and put CLM- abs on working table carefully and assemble them together - 28 - None hurt outside.
  • Page 29 Assemble the Hinge to the CLM-abs Lock screws*6 onto the Screw-driver hinge with screw-driver (FABF- DSSDA1-*** Lock 4 screws to RC. 60-80mm 9 1kg.cm Cover the CLM of L and - 29 -...
  • Page 30 4.2.2 Disassembly SOP Preparation before disassemble 1. Clean the room for disassemble 2. Identify the area for monitor 3. Check the position that the monitors be placed and the quantity of the monitor ;prepare the area or material flow; according to the actual condition plan the disassemble layout 4.
  • Page 31 Tear out the acetic tape Unlock the wires. Disassembled the SHD Screw-driver shielding : 5 screw Tear down three pieces of Al foil - 31 -...
  • Page 32 Mylar Tear down the Mylar and the tap Disassembled the AC- soc shielding . Unlock the LVDS wires. Disassembled the Screw-driver PCBA shielding : 5 screws Disassembled the SPK Screw-driver shielding : 4 screws - 32 -...
  • Page 33 Get off the panel from the bezel Get off the big tap from the tape Disassemble the control board - 33 -...

  • Page 34: Level 1 Cosmetic / Appearance / Alignment Service

    5. Level 1 Cosmetic / Appearance / Alignment Service 5.1 Alignment procedure (for function adjustment) 5.1.1 Preparation 1. Setup input timing to any preset modes or patterns. 2. Enter factory mode (press “Empowering” & “Power” buttons at the same time to turn on monitor). 3.
  • Page 35 Figure-1: Preset Timing modes list 640x480@60Hz 640x480@72Hz 640x480@75Hz 640x480@66.66Hz 720x400@70Hz 800x600@56Hz 800x600@60Hz 800x600@72Hz 800x600@75Hz 832x624@74.55Hz 1024x768@60Hz 1024x768@70Hz 1024x768@75Hz 1152x870@75Hz 1152x864@75Hz 1280x960@60Hz 1280x1024@60Hz 1280x1024@75Hz 1280x720@60Hz 1280x800@60Hz 1600x900@60Hz 1600x900@60Hz_RB 1600x900@75Hz 800 x 525 31.469 832 x 520 37.861 840 x 500 37.500 864x525 900x449 31.469...
  • Page 36 5.1.3 ADC calibration (Auto color balance adjustment) ~~Analog only, it is not required for DVI-D input source 1. Setup input timing ICL-605( 1280x1024@75Hz ), pattern 42(5-Mosaic pattern with white color block) with Analog signals from Chroma video pattern generator. (it depends on Scaler IC supplier’s recommendation) 2.
  • Page 37 5. Repeat step 4 and write the digital EDID data into EEPROM for DVI-D input(ie. 24-pin DVI- 6. Read both EEPROM data and confirm it to match with the Q212 definition. (Note : The DVI-D input may not operation correctly if the digital EDID data do not exist.) - 37 -...

  • Page 38: Software / Firmware Upgrade Process

    5.2 Software / Firmware Upgrade Process 5.2.1 Hardware prepared: Hardware Requirement: 1. ISP board x 1 VGA signal input from 15pin D- sub cable of PC or NB. 2. DSUB VGA cables x 2 3. Printer cable (with one male connector and another female connector) x 1. 4.
  • Page 39 5.2.2 Firmware Upgrade Procedure Step 1: Un-zip Port95nt and install into your computer. Step 2: Un-zip ISP application tool (RTDTool) Step 3: Press “RTD 2120 ISP” button to execute firmware program application. - 39 -...
  • Page 40 Step 4: Press “64K” button to load *series*.hex file and press “64~96” button to load *extend*.hex file from your computer. Step 5: Select “Erase” option and execute lightning button first, and then select “Auto” option and execute lightning button to start upgrade firmware to the monitor. - 40 -...
  • Page 41 Note: you can change program speed bar to meet your equipment speed if program firmware fail. 5.2.3 Turn Off Burn In IF the monitor without signal input has Burn In pattern. As the following figure ENTER and RIGHT to Burn In Off Press “MENU”...

  • Page 42: Edid Upgrade Procedure

    5.3 EDID Upgrade Procedure Step 1: Run the program “Q-EDID-V012.exe”, when the UI popped up - 42 -...
  • Page 43 Note: If “VGA” choose 128bytes, and “DVI” choose 128bytes Step 2: Click “Open File” and select “VGA” or “DVI” EDID file - 43 -...
  • Page 44 Step 3: If load file is successful, it shows “Open EDID Table OK..”. And then, Click “Write EDID” button to update EDID Step 4: If write EDID is successful, it shows”Write EDID OK …” And then, Click “Read EDID” button to check if successful or not. - 44 -...
  • Page 45 Step 5: If read EDID is successful, it shows”Read EDID OK …” - 45 -...

  • Page 46: Osd Operation Guide

    5.4 OSD Operation Guide - 46 -...
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  • Page 51: Level 2 Circuit Board And Standard Parts Replacement

    6. Level 2 Circuit Board and Standard Parts Replacement 6.1 Trouble Shooting Guide 6.1.1 No Display or display is unstable (Interface Board) Screen is Blank and Power LED is White. OSD shown when key pressed? Keypad OK? Backlight turned Scalar output Data ? “Check LCD Module”...
  • Page 52 6.1.2 Check Control Board Checking Control Board Working ? Traces OK ? Components to Control board OK ? Replace a new Control board Replug the control wire, then retry Replace the Control Board, then retry Replace the components, then retry - 52 -...
  • Page 53 6.1.3 Check Scalar - 53 -...
  • Page 54 6.1.4 Check LCD Module No Picture No Picture Lamp connector OK ? Lamp wire LCD module fail LCD module fail To display To display image image Connection between Connection between Bad Connection Bad Connection or connector, or connector, Inverter board failed LCM failed - 54 -...
  • Page 55 6.1.5 Power Board no work troubleshooting - 55 -...
  • Page 56 6.1.6 Audio Function - 56 -...

  • Page 57: Circuit Operation Theory

    6.2 Circuit Operation Theory I. Introduction The X203H is a 20” W (1600x900), LCD type is TN+Film and Normally White, 16.7M colors(R, G, B 6- bit data + Hi-FRC data) TFT LCD with HDCP support monitor. It’s have dual (D-SUB and DVI) interface LCD monitor with a 15 pins D-sub signal cable and 24 pin DVI signal cable which support HDCP function.
  • Page 58 III. Circuit Implementations: A.) THE MAIN BODY: A-1.) Interface board block diagram : M C U RT D 21 20 L E E P R O M AT M E L 2 4C 16 (a) Circuit operations: A basic operation theory for this interface board is to convert analog signals of Red, Green and Blue to digital signals of Red, Green and Blue.
  • Page 59 (3) “Left” key: to select next and to decrease adjustment (4) “Auto” key: to perform auto adjustment and Exit key (5) “Empowering”: to Open the Acer eColor Management OSD and access the scenario modes (6) “Power” key: to turn/off power of monitor (7) LED: It indicates the DPMS status of this LCD monitor;...
  • Page 60 #1 EMI Filter This circuit (Fig.2) is designed to inhibit electrical and magnetic interference for meeting FCC, VDE, VCCI standard requirements. C603 2200PF C601 0.1U C602 0.1U C604 2200PF L601 75MH Fig.2 - 60 -...

  • Page 61: Spare Parts List

    6.3 Spare Parts List Picture Board CATEGORY DESCRIPTION CCFL LCD SAMSUNG 20"W HD+ None Glare LTM200KT03 TBD LF 250nit 5ms 1000:1 2 CCFL(acer B/S) BOARD CONTROL BOARD BOARD POWER BOARD SEC AUDIO MAIN BOARD SEC DUAL WITH BOARD SPEAKER - 61 - ACER PART NO.
  • Page 62 Cable CABLE POWER CORD US CABLE DVI CABLE CABLE BETWEEN CONTROL CABLE BOARD AND M/B CABLE BETWEEN M/B AND CABLE POWER BOARD CABLE BETWEEN M/B AND LCD CABLE PANEL CABLE SIGNAL CABLE - 62 - 27.LDW0Q.003 50.LBJ0Q.001 50.LHC0Q.001 50.LE10Q.001 50.LGP0Q.001 50.LBJ0Q.002...
  • Page 63 CASE/COVER /BRACKET STAND NECK ASSEMBLY CASE/COVER /BRACKET STAND BASE DUAL ASSEMBLY CASE/COVER /BRACKET LCD BEZEL ASSY ASSEMBLY CASE/COVER BACK COVER SEC DUAL WITH /BRACKET AUDIO ASSEMBLY - 63 - 60.LDX0Q.003 60.LDX0Q.010 60.LHC0Q.001 60.LHC0Q.002...

  • Page 64: Appendix 1 - Screw List / Torque

    Appendix 1 – Screw List / Torque (A) STANDARD SCREW TORQUE SPEC. ITEM DESCRIPTION SCRW MACH HEX #4- 8F.205B4.019 SCRW TAP W/FL 8F.00518.100 M3*10L(S3.8) ZN SCRW MACH PH M4*8L 8F.1A556.8R0 SCRW MACH FH M4*8L B- 8F.5A356.8R0 SCRW MACH FLAT-P 8F.5A422.2R4 SCRW TAP PH F/10WSH 8F.00273.6R0 M3*6L C-ZN...
  • Page 65 M3*1.34P*8L B-ZN 8F.5A224.6R0 SCRW MACH FLAT M3*5L 8F.00010.161 SCRW TAPTILE TRS W/EXT M4*8L (B) SPECIAL SCREW TORQUE SPEC. ITEM P/N DESCRIPTION *SCREW Q’TYPE AND POSITION REFERRED TO C328. *NOTES: 1. (A)STANDARD SCREW TORQUE SPEC. 2. (B)SPECIAL SCREW TORQUE SPEC. 3. T: TAPPING SCREW. 4.

  • Page 66: Appendix 2 - Physical Dimension Front View And Side View

    Appendix 2 – Physical Dimension Front View and Side view Fig. 1 Physical Dimension Front View and Side view - 66 -...
  • Page 67 Fig. 2 Appearance Description - 67 -...

  • Page 68: Appendix 3 - Interface Board

    Appendix 3 – Interface Board - 68 -...
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