Acer X203Hbd Acer X203H Service Guide
Acer X203Hbd - 20" LCD Monitor Manual
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- Acer X203Hbd | Acer X203H Service Guide - Page 1
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 - Acer X203Hbd | Acer X203H Service Guide - Page 2
Upgrade Procedure 42 5.4 OSD Operation Guide 46 6. Level 2 Circuit Board and Standard Parts Replacement 51 6.1 Trouble Shooting Guide 51 6.2 Circuit Operation Theory 57 6.3 Spare Parts List 61 Appendix 1 - Screw List / Torque 64 Appendix 2 - Physical Dimension Front View and Side view 66 - Acer X203Hbd | Acer X203H Service Guide - Page 3
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. 1.1 Trademark The following terms are trademarks of Acer Inc. : Acer Importance Only trained - Acer X203Hbd | Acer X203H Service Guide - Page 4
Laser device. Refer to the product specifications and your local Laser Safety Compliance Requirements. 2.4 General Descriptions This Service Manual contains general information. There are 3 levels of service: Level 1: Cosmetic / Appearance / Alignment Service Level 2: Circuit Board or Standard Parts - Acer X203Hbd | Acer X203H Service Guide - Page 5
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. X203H adopts SEC LTM200KT03 - Acer X203Hbd | Acer X203H Service Guide - Page 6
90-264 Volts, 47-63 Hz. - Acer X203Hbd | Acer X203H Service Guide - Page 7
-D Pin assignment Analog input 15-pin D-sub connector 24-pin DVI-D connector 19-pin HDMI connector Signal type Level Impedance Signal type Sync input Digital input Level Impedance Sync Pulse Width (SPW) Level Impedance Spec Color: Black Length: 1800 +/- 30 mm Color: Black Length: 1800 +/- 50 - Acer X203Hbd | Acer X203H Service Guide - Page 8
15 SCL Note-2: The pin assignment of 24-pin DVI-D connector is as below, Pin Signal Assignment 1 Item Condition Max. support Pixel rate Max. Resolution TMDS RX0+ 19 TMDS Ground 20 Floating 21 Floating 22 TMDS Ground 23 TMDS Clock+ 24 TMDS Clock- Spec 151.25 MHz OK N.A - Acer X203Hbd | Acer X203H Service Guide - Page 9
Item Horizontal Vertical Condition Spec 31-83 KHz 56-76 Hz OK N.A Remark √ √ HDMI supports 50Hz 3.2.5 Plug & Play DDC2B DDC-CI Support Item DDC channel type Condition Spec DDC2B EDID Version 1.3 DDC-CI Version 1.1 or Later OK N.A √ √ √ Remark Refer to S/W spec. document to see the - Acer X203Hbd | Acer X203H Service Guide - Page 10
" 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. 3.3 Operational & Functional Specification 3.3.1 Video performance *All spec. of monitor need to warm - Acer X203Hbd | Acer X203H Service Guide - Page 11
max) √ Viewing angle At Contrast ratio = 10 At Contrast ratio = 10 CIE coordinate of White Display colors R/L: 85/85 degrees (typ.) 70/70 degrees (min) √ U/D: 75/85 degrees ( Operating Non-operating Altitude Operating Non-operating Spec 0 ~ +40 к -20 ~ +65 к 20 ~ 80% 20 ~ 80% 12,000 feet at - Acer X203Hbd | Acer X203H Service Guide - Page 12
3.3.5 Transportation Item Condition Spec OK N.A Remark Test Specification: 1. Frequency Hertz 5 ~ 250 HZ , PSD Level (1) Vibration Package, Non-Operating 0.0054 (G2/Hz) 2. Grms = 1.146 √ 3. Sweep Time : 30 minutes per Axis 4. Axes : X,Y,Z Test Spectrum: 20 Hz 0.0185(g2/Hz) (2) - Acer X203Hbd | Acer X203H Service Guide - Page 13
Preamp + Power amp (1)Output power (2)THD (@ 1W) (3)S/N ratio Speaker Driver (1)Nominal impedance (2)Rated input power (3)Frequency response (4)Output sound pressure level (5)Dimension of box Audio Control (1)Volume range (2)Mute Spec OK N.A Remark 1 Wrms/CH @ 1KHz √ 40dB √ 8 ohm - Acer X203Hbd | Acer X203H Service Guide - Page 14
LGD LM200WD1-TLC1 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 Spec LGD LM200WD1-TLC1 20.0" Diagonal (508.05 mm) 462 - Acer X203Hbd | Acer X203H Service Guide - Page 15
3.4.2 Optical characteristics of LCD panel SEC LTM200KT03 Item Viewing Angle Contrast ratio Response Time Unit [degree] [degree] [degree] [degree] [msec] [msec] [msec] Color / Chromaticity Coordinates (CIE) Color Coordinates (CIE) - Acer X203Hbd | Acer X203H Service Guide - Page 16
Language Recall Input Select Sharpness Display Information Volume Mute Hot Select Hot key for Mode Wide mode ACM DDC-CI Spec OK Auto-Geometry √ √ √ √ √ √ √ Cool Non-EMEA languages for Asia/Europe √ Version Recall All √ D-sub DVI √ For input timing √ √ √ √ Full/Aspect √ ON - Acer X203Hbd | Acer X203H Service Guide - Page 17
Acer eColor Management User/Text/Standard/Graphi c/Movie √ 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 Bezel opening Monitor without Stand - Acer X203Hbd | Acer X203H Service Guide - Page 18
90 Pallet B: Pallet A: 20 Pallet B: X Pallet B: X 20' X X Without pallet 40' X X X X X X 3.7.2 Carton Specification 3.7.2.1 Product: Net Weight (Kg) 4.1kg Gross Weight (Kg) 5.6 kg 3.7.2.2 Package: Carton Interior Dimension (mm) L*W*H 532*126*399mm Dimension w/o Base W*H*D (mm) mm - Acer X203Hbd | Acer X203H Service Guide - Page 19
3.8 Certification Item Environment PC-Monitor Safety EMC Condition Spec Green design API Doc. 715-C49 Blue Angel E-2000 EPA TCO'99 TCO'03 MPR2 Green Mark Microsoft Windows DPMS DDC 2B USB UL (USA) CSA (Canada) Nordic / D.N.S.F FIMKO CE Mark CB CB TUV/GS CCC (China) GOST TUV type-approved SASO - Acer X203Hbd | Acer X203H Service Guide - Page 20
X- Ray Requirement Ergonomics 3.9 Packing DHHS (21 CFR) DNHW PTB TUV / Ergo ISO 13406-2 prEN50279 USA X- Ray Standard German X- Ray standard √ √ √ √ √ √ - 20 - - Acer X203Hbd | Acer X203H Service Guide - Page 21
4. Disassembly /Assembly 4.1 Exploded View 12 1 23 14 13 15 7 25 24 17 18 2 10 8 9 19 20 16 22 21 3 6 11 4 5 - 21 - - Acer X203Hbd | Acer X203H Service Guide - Page 22
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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 picture Operation Tool Notes Stick the big Al tape to The tape must - Acer X203Hbd | Acer X203H Service Guide - Page 24
Assemble the SPK to Keep the ware in. the main-SHD, the 4 correct position reference on the Screw-driver picture, then the lock 4 screws to fasten it. Assemble the FFC to 5 the I/F, the correct position reference on Without the gap within the picture 6 Assemble - Acer X203Hbd | Acer X203H Service Guide - Page 25
Main-BTK only for SEC panel The position refer to the picture Lock screws of side on Attention the order 13 Main-Chassis with Screw-driver by one to four. 2/4,based on - Acer X203Hbd | Acer X203H Service Guide - Page 26
Assemble the L-SHD 14 the correct position reference on the picture Insect the inverter wire 15 one by one and insect Keep all wires in. the speaker wire 16 Mylar 17 Stick a tap to fix the speaker wire The tap must not stick to the part of the IF Stick a Mylar under the audio connector - Acer X203Hbd | Acer X203H Service Guide - Page 27
Not fix the panel to the edge Stick an acetic tape to 18 fix the wire one by one as the picture 19 Fix the big Al tape to panel 20 Assemble the C/B wire to the C/B connect Assemble the C/B to 21 the BZL and insert the C/B wire to the I/F BD - 27 - - Acer X203Hbd | Acer X203H Service Guide - Page 28
22 Fix the C/B wire to the BZL Check and put CLM-F 23 on the Main-Chassis None hurt outside. carefully. 24 Assemble the Rear Cover. Check and put CLM- 25 abs on working table carefully and assemble them together - 28 - - Acer X203Hbd | Acer X203H Service Guide - Page 29
26 Assemble the Hinge to the CLM-abs 27 Lock screws*6 onto the hinge with screw-driver Screw-driver (FABF- DSSDA1-***α 28 Lock 4 screws to RC. 60-80mm Ϟ2 9±1kg.cm 29 Cover the CLM of L and R - 29 - - Acer X203Hbd | Acer X203H Service Guide - Page 30
cloth 7) ESD protection item picture Operation Tool Notes Kick the board first. 1 Disassemble the stand 4 screws Screw-driver Disassembly the bezel 2 from the monitor, notice the disassembly order : 1.Left (1) parts of bezel 2.Top (2) parts of bezel 3.Bottom (3) parts of bezel 4. Right - Acer X203Hbd | Acer X203H Service Guide - Page 31
4 Tear out the acetic tape 5 Unlock the wires. 6 Disassembled the SHD Screw-driver shielding : 5 screw 7 Tear down three pieces of Al foil - 31 - - Acer X203Hbd | Acer X203H Service Guide - Page 32
Mylar 8 Tear down the Mylar and the tap 9 Disassembled the ACsoc shielding . 10 Unlock the LVDS wires. 11 Disassembled the PCBA shielding : 5 Screw-driver screws 12 Disassembled the SPK shielding : 4 screws Screw-driver - 32 - - Acer X203Hbd | Acer X203H Service Guide - Page 33
13 Get off the panel from the bezel 14 Get off the big tap from the tape 15 Disassemble the control board - 33 - - Acer X203Hbd | Acer X203H Service Guide - Page 34
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.Move cursor into "Burn-in - Acer X203Hbd | Acer X203H Service Guide - Page 35
Figure-1: Preset Timing modes list 640x480@60Hz 640x480@72Hz 640x480@75Hz [email protected] 720x400@70Hz 800x600@56Hz 800x600@60Hz 800x600@72Hz 800x600@75Hz [email protected] 1024x768@60Hz 1024x768@70Hz 1024x768@75Hz 1152x870@75Hz 1152x864@75Hz 1280x960@60Hz 1280x1024@60Hz 1280x1024@75Hz 800 x 525 832 - Acer X203Hbd | Acer X203H Service Guide - Page 36
for DVI-D to meet following spec requirement, the 1st method is the 2nd method is by manually and must be in factory monitor power. 5.1.5. Writing EDID data into monitor 1. Setup a PC with DDC card. 2. Connect PC to monitor with a D-sub signal cable. 3. Please refer to the Q212 for the correct EDID file - Acer X203Hbd | Acer X203H Service Guide - Page 37
5. Repeat step 4 and write the digital EDID data into EEPROM for DVI-D input(ie. 24-pin DVID). 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 - - Acer X203Hbd | Acer X203H Service Guide - Page 38
Firmware Upgrade Process 5.2.1 Hardware prepared: Hardware Requirement: 1. ISP board x 1 VGA signal input from 15pin Dsub cable of PC or NB. Connect to target monitor Check the Jumpers on the ISP Circuit Board (make sure J5, J6, J7, J8 are set at ping 1,2 ) Connect ISP board and PC with printer - Acer X203Hbd | Acer X203H Service Guide - 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 - - Acer X203Hbd | Acer X203H Service Guide - 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 - - Acer X203Hbd | Acer X203H Service Guide - 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" and ">" key at the same - Acer X203Hbd | Acer X203H Service Guide - Page 42
5.3 EDID Upgrade Procedure Step 1: Run the program "Q-EDID-V012.exe", when the UI popped up - 42 - - Acer X203Hbd | Acer X203H Service Guide - Page 43
Note: If "VGA" choose 128bytes, and "DVI" choose 128bytes Step 2: Click "Open File" and select "VGA" or "DVI" EDID file - 43 - - Acer X203Hbd | Acer X203H Service Guide - 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 - - Acer X203Hbd | Acer X203H Service Guide - Page 45
Step 5: If read EDID is successful, it shows"Read EDID OK ..." - 45 - - Acer X203Hbd | Acer X203H Service Guide - Page 46
5.4 OSD Operation Guide - 46 - - Acer X203Hbd | Acer X203H Service Guide - Page 47
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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. Yes OSD shown when key pressed? Follow instructions from OSD dialog No Keypad OK? Proceed to No "Check Control - Acer X203Hbd | Acer X203H Service Guide - Page 52
6.1.2 Check Control Board Checking Control Board Yes Working ? Yes Traces OK ? Yes Components to Control board OK ? Yes No Replug the control wire, then retry No Replace the Control Board, then retry No Replace the components, then retry Replace a new Control board - 52 - - Acer X203Hbd | Acer X203H Service Guide - Page 53
6.1.3 Check Scalar ˬ˘˦ ˬ˘˦ ˬ˘˦ ˬ˘˦ - 53 - - Acer X203Hbd | Acer X203H Service Guide - Page 54
Module No Picture LCD module fail To display image White Screen Lamp connector OK ? YES Lamp wire OK ? NO Bad Connection or connector, YES Inverter board failed NO Connection between LVDS cable and - Acer X203Hbd | Acer X203H Service Guide - Page 55
6.1.5 Power Board no work troubleshooting - 55 - - Acer X203Hbd | Acer X203H Service Guide - Page 56
6.1.6 Audio Function - 56 - - Acer X203Hbd | Acer X203H Service Guide - Page 57
Theory I. Introduction The X203H is a 20" W (1600x900), LCD type is TN+Film and Normally White, 16.7M colors(R, G, B 6bit 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 - Acer X203Hbd | Acer X203H Service Guide - Page 58
EL 24C 16 S ca la r RTD 2545LH (Support HDCP) D C +3.3V D C +1.8V CTRL BD DVI VGA (a) Circuit operations: A basic operation theory for Display Data Channel) function: We use DDC IC to support DDC2Bi function. DDC data is store in 24C02 (EEPROM). Those data related to LCD monitor specification - Acer X203Hbd | Acer X203H Service Guide - Page 59
just like the OSD display setting, the adjustable items, adjusted data storage, the external IIC communication, support DDC2Bi. . 4.) EEPROM 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 - Acer X203Hbd | Acer X203H Service Guide - Page 60
#1 EMI Filter This circuit (Fig.2) is designed to inhibit electrical and magnetic interference for meeting FCC, VDE, VCCI standard requirements. L4 C603 2200PF C 604 2200PF C 602 0.1U 1 2 3 4 L601 75MH L3 C 601 0. 1U Fig.2 - 60 - - Acer X203Hbd | Acer X203H Service Guide - Page 61
Parts List ʳ Picture ʳʳ Board ʳ ʳ CATEGORY DESCRIPTION ACER PART NO. LCD CCFL LCD SAMSUNG 20"W HD+ None Glare LTM200KT03 TBD LF LK.20006.006 250nit 5ms 1000:1 2 CCFL(acer B/S) BOARD CONTROL BOARD ʳ 55.LBJ0Q.004 BOARD POWER BOARD SEC AUDIO 19.LHC0Q.001 ʳ BOARD MAIN BOARD SEC DUAL WITH - Acer X203Hbd | Acer X203H Service Guide - Page 62
Cable CABLE POWER CORD US 27.LDW0Q.003 CABLE DVI CABLE 50.LBJ0Q.001 CABLE CABLE BETWEEN CONTROL BOARD AND M/B 50.LHC0Q.001 CABLE CABLE BETWEEN M/B AND POWER BOARD 50.LE10Q.001 CABLE CABLE BETWEEN M/B AND LCD PANEL 50.LGP0Q.001 CABLE SIGNAL CABLE - 62 - 50.LBJ0Q.002 - Acer X203Hbd | Acer X203H Service Guide - Page 63
NECK ASSEMBLY 60.LDX0Q.003 ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ CASE/COVER /BRACKET STAND BASE DUAL ASSEMBLY 60.LDX0Q.010 ʳ ʳ ʳʳ ʳ ʳ ʳ ʳ CASE/COVER ʳ /BRACKET LCD BEZEL ASSY ʳ ASSEMBLY 60.LHC0Q.001 ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ CASE/COVER /BRACKET ASSEMBLY BACK COVER AUDIO SEC DUAL WITH 60.LHC0Q - Acer X203Hbd | Acer X203H Service Guide - Page 64
List / Torque (A) STANDARD SCREW TORQUE SPEC. ITEM P/N 1 8F.205B4.019 2 8F.00518.100 DESCRIPTION SCRW MACH HEX #440*0.3" N SCRW TAP W/FL M3*10L(S3.8) ZN Color Mounting Material TORQUE (KG-CM) HOLE SIZE (MM) Screw Head Metal; Ni D-SUB;DVI 5.0±0.6 #4-40 X Connector None treadΚ 8Д10 - Acer X203Hbd | Acer X203H Service Guide - Page 65
*NOTES: 1. (A)STANDARD SCREW TORQUE SPEC. 2. (B)SPECIAL SCREW TORQUE SPEC. 3. T: TAPPING SCREW. 4. M: MACHING SCREW. MOUNTING TORQUE MATERIAL (KG-CM) HOLE SIZE Screw (MM) Head D-SUB Connector SCREW TORQUE SPEC. DVI Connector SCREW TORQUE SPEC. SCREW D-SUB SCREW DVI SCREW TORQUE: 1.2±0.3 (KG - Acer X203Hbd | Acer X203H Service Guide - Page 66
Appendix 2 - Physical Dimension Front View and Side view Fig. 1 Physical Dimension Front View and Side view - 66 - - Acer X203Hbd | Acer X203H Service Guide - Page 67
Fig. 2 Appearance Description - 67 - - Acer X203Hbd | Acer X203H Service Guide - Page 68
Appendix 3 - Interface Board - 68 - - Acer X203Hbd | Acer X203H Service Guide - Page 69
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