Acer X203H Acer X203H Service Guide
Acer X203H Manual
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- Acer X203H | 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 X203H | Acer X203H Service Guide - Page 2
/ Appearance / Alignment Service 34 5.1 Alignment procedure (for function adjustment 34 5.2 Software / Firmware Upgrade Process 38 5.3 EDID 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 - Acer X203H | 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 X203H | Acer X203H Service Guide - Page 4
test equipment for servicing. 5. Never assume the product's power is disconnected from the mains power supply. Check that Service Manual contains general information. There are 3 levels of service: Level 1: Cosmetic / Appearance / Alignment Service Level 2: Circuit Board or Standard Parts Replacement - Acer X203H | 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 X203H | Acer X203H Service Guide - Page 6
No Mechanical Tilt base design Yes VESA wall mounting design Yes Mechanical Rotate design No Mechanical Lift base design No Kensington compatible lock design Yes Color at User preset 90-264 Volts, 47-63 Hz. - Acer X203H | Acer X203H Service Guide - Page 7
-pin D-Sub 24-pin DVI-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 - Acer X203H | Acer X203H Service Guide - Page 8
TMDS Ground 12 Floating 3.2.3 Video performance Item Condition Max. support Pixel rate Max. Resolution Rise time + Fall time Settling Time after overshoot /undershoot Overshoot/Undershoot Pin Signal Assignment 13 Floating 14 +5V Power 15 Ground 16 Hot Plug Detect 17 TMDS RX0 - Acer X203H | 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 X203H | 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 X203H | Acer X203H Service Guide - Page 11
Millions colors √ Test Condition: Set Contrast at 50, Brightness at 100, Color at User preset. Test Equipment: Westar TRD 100 or equal level equipment ; 6 bit+Hi- -operating Operating Non-operating Altitude Operating Non-operating Spec 0 ~ +40 к -20 ~ +65 к 20 ~ 80% 20 ~ 80% 12,000 feet at 25°C - Acer X203H | 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 X203H | Acer X203H Service Guide - Page 13
3.3.7 EMC Item TCO03 EMI Condition Electric Magnetic FCC part 15J class B EN55022 class B Spec OK Band 1 < 10 V/m Band 2 < 1 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 - Acer X203H | 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 X203H | Acer X203H Service Guide - Page 15
3.4.2 Optical characteristics of LCD panel SEC LTM200KT03 Item Viewing Angle Contrast ratio Response Time = 10 (Down) Normal Direction Rising Time Falling Time Rising + Falling Red x Red y Green x Green y Blue x Blue y White x White y 9 points measurement - 15 - Min. 70 70 60 70 700 0.643 0.331 - Acer X203H | Acer X203H Service Guide - Page 16
key for Auto Hot key for Contrast Hot key for Volume Hot key for Input Select Hot key for Mode Wide mode ACM DDC-CI Spec OK Auto-Geometry √ √ √ √ √ √ √ Cool(9300K) Warm(6500K) User: Separate R/G/B √ adjustment OSD Horizontal position OSD Vertical position √ From 10 sec to 120 sec - Acer X203H | Acer X203H Service Guide - Page 17
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 Condition - Acer X203H | Acer X203H Service Guide - Page 18
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 Dimension w/ Base W*H*D (mm) mm - Acer X203H | Acer X203H Service Guide - Page 19
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 2003 CB4943 EN60950 IEC60950 89/336/EEC FCC Part 15 B Class B Class B VCCI Class B CNS 13438 AS/ NZS CISPR22 - 19 - Acer X203H | 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 X203H | 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 X203H | Acer X203H Service Guide - Page 22
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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 The tape must 1 panel which can protect cover the connect of the Light-wire. the wire Check and put CLM-F on the cushion 2 carefully, 3 - Acer X203H | 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 X203H | 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 DVI. - 25 - - Acer X203H | Acer X203H Service Guide - Page 26
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 - 26 - - Acer X203H | 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 X203H | 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 X203H | 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 X203H | Acer X203H Service Guide - Page 30
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 (4) parts of bezel When disassembly the bezel ,notice don't bend - Acer X203H | 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 X203H | 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 X203H | 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 X203H | Acer X203H Service Guide - Page 34
enable burn-in mode. 4.Power off the monitor, remove the input source and then power on again. 5.Setup unit and keep it warm up for at least 30 minutes. 6.Setup input timing ICL-605( 1280x1024@75Hz = Warm Language = English Then, turn off the monitor power. 3. Turn on power enter user area. - 34 - - Acer X203H | 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 X203H | Acer X203H Service Guide - Page 36
. 5.1.4 Color temperature adjustment 1. Setup input timing to any preset modes, pattern 41(full white color pattern) with Analog signals from Chroma video pattern generator. 2. Enter factory mode (press "Empowering" & "Power" buttons at the same time to turn on monitor). 3. Move cursor into "Burn - Acer X203H | 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 X203H | Acer X203H Service Guide - Page 38
5.2 Software / 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 - Acer X203H | 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 X203H | 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 X203H | 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 time to exit - Acer X203H | 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 X203H | 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 X203H | 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 X203H | Acer X203H Service Guide - Page 45
Step 5: If read EDID is successful, it shows"Read EDID OK ..." - 45 - - Acer X203H | Acer X203H Service Guide - Page 46
5.4 OSD Operation Guide - 46 - - Acer X203H | Acer X203H Service Guide - Page 47
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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 Board". Yes Backlight turned - Acer X203H | 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 X203H | Acer X203H Service Guide - Page 53
6.1.3 Check Scalar ˬ˘˦ ˬ˘˦ ˬ˘˦ ˬ˘˦ - 53 - - Acer X203H | 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 - Acer X203H | Acer X203H Service Guide - Page 55
6.1.5 Power Board no work troubleshooting - 55 - - Acer X203H | Acer X203H Service Guide - Page 56
6.1.6 Audio Function - 56 - - Acer X203H | Acer X203H Service Guide - Page 57
. II. Block diagram The X203H consists of a LCD module with 2 lamps, a power board, a control board, and an interface board. The block diagram is shown as below. HEAD LCD module with 2 lamps(backlight) Power BD and SPK Inverter BD I/F BD w ith HDCP support CTRL BD AC Input DVI VGA St - Acer X203H | 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 this interface board is to convert analog signals of Red, Green and Blue to digital signals of Red, Green and Blue. The scaling IC has internal A/D converter - Acer X203H | Acer X203H Service Guide - Page 59
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; green light means DPMS on (Normal operating condition). Amber light means DPMS off (Power Saving). A-3.) Power board diagram: EMI Filter Rectifier and filter - Acer X203H | 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 X203H | Acer X203H Service Guide - Page 61
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 SPEAKER - Acer X203H | 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 X203H | Acer X203H Service Guide - Page 63
CASE/COVER /BRACKET STAND 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 - Acer X203H | Acer X203H Service Guide - Page 64
Appendix 1 - Screw 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 - Acer X203H | Acer X203H Service Guide - Page 65
SCRW MACH FLAT M3*5L ZN 14 ZN 15 8F.00010.161 SCRW TAPTILE TRS W/EXT M4*8L NI METAL METAL 5 Side M3*0.5 #2 mount:3~4 Other: 4±0.6 10±1.0 M4*0.7 #2 (B) SPECIAL SCREW TORQUE SPEC. ITEM P/N DESCRIPTION *SCREW Q'TYPE AND POSITION REFERRED TO C328. *NOTES: 1. (A)STANDARD SCREW TORQUE - Acer X203H | 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 X203H | Acer X203H Service Guide - Page 67
Fig. 2 Appearance Description - 67 - - Acer X203H | Acer X203H Service Guide - Page 68
Appendix 3 - Interface Board - 68 - - Acer X203H | Acer X203H Service Guide - Page 69
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