User Manual
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...0.1% Hexavalent Chromium 0.1% Cadmium 0.01% Directive 2009/125/EC with the following harmonized standard: -. EN61000-3-2, Class D -. Easy Lai /Manager Regulation, Acer Inc. Acer Incorporated 8F, 88, Sec. 1, Hsin Tai Wu Rd., Hsichih Taipei Hsien 221, Taiwan Tel : 886-2-2696-1234 Fax : 886-2-2696-3535...SA Via Cantonale, Centro Galleria 2 6928 Manno Switzerland Hereby declare that: Product: Trade Name: Model Number: SKU Number: LCD Monitor Acer A231H A231H xxxxxx ((("x" = 0~9, a ~ z, A ~ Z or B lank) Is compliant with the essential requirements and other relevant provisions of...
...0.1% Hexavalent Chromium 0.1% Cadmium 0.01% Directive 2009/125/EC with the following harmonized standard: -. EN61000-3-2, Class D -. Easy Lai /Manager Regulation, Acer Inc. Acer Incorporated 8F, 88, Sec. 1, Hsin Tai Wu Rd., Hsichih Taipei Hsien 221, Taiwan Tel : 886-2-2696-1234 Fax : 886-2-2696-3535...SA Via Cantonale, Centro Galleria 2 6928 Manno Switzerland Hereby declare that: Product: Trade Name: Model Number: SKU Number: LCD Monitor Acer A231H A231H xxxxxx ((("x" = 0~9, a ~ z, A ~ Z or B lank) Is compliant with the essential requirements and other relevant provisions of...
User Manual
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... Commission Declaration of Conformity This device complies with Part 15 of Responsible Party: 333 West San Carlos St. Contact Person: Acer Representative Phone No.: 254-298-4000 Fax No.: 254-298-4147 EN-23 Operation is responsible for this device must accept...received, including interference that may not cause harmful interference, and (2) this declaration: Product Name: LCD Monitor Main Model Number: A231H Series Model Number: Name of Responsible Party: A231H xxxxxx (""" x" === 0~~~ 9, a~~~ z, A~~~ Z or Blank) Acer America Corporation Address of the FCC Rules.
... Commission Declaration of Conformity This device complies with Part 15 of Responsible Party: 333 West San Carlos St. Contact Person: Acer Representative Phone No.: 254-298-4000 Fax No.: 254-298-4147 EN-23 Operation is responsible for this device must accept...received, including interference that may not cause harmful interference, and (2) this declaration: Product Name: LCD Monitor Main Model Number: A231H Series Model Number: Name of Responsible Party: A231H xxxxxx (""" x" === 0~~~ 9, a~~~ z, A~~~ Z or Blank) Acer America Corporation Address of the FCC Rules.
Service Guide
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Acer A231H Service Manual 1 1 Table of InnoLux Tech. Corp. Ltd. Ltd All Rights Reserved This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to any electronic or machine readable form without prior written permission of Contents Important Safety Notice 02 01 Product Specification 03 02 Flat Panel Specification 15 03 Exploded Diagram 36 04 Troubleshooting ...37 05 Spare Parts List 42 06 Schematics and Layouts 43 07 Assembly and Disassembly 46 Appendix : User's manual Copyright Copyright 2010 InnoLux Tech. Corp.
Acer A231H Service Manual 1 1 Table of InnoLux Tech. Corp. Ltd. Ltd All Rights Reserved This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to any electronic or machine readable form without prior written permission of Contents Important Safety Notice 02 01 Product Specification 03 02 Flat Panel Specification 15 03 Exploded Diagram 36 04 Troubleshooting ...37 05 Spare Parts List 42 06 Schematics and Layouts 43 07 Assembly and Disassembly 46 Appendix : User's manual Copyright Copyright 2010 InnoLux Tech. Corp.
Service Guide
Page 3
... cleaner onto the cloth, not directly onto the class screen. z Do not try to reduce interference. Clean the cabinet with a clean, dry cloth. Acer Important Safety Notice Acer -LCD-A231H 1. Safety precautions This monitor is damaged. Have it . Service notes z When replacing parts or circuit boards, clamp the lead wires around terminals before...
... cleaner onto the cloth, not directly onto the class screen. z Do not try to reduce interference. Clean the cabinet with a clean, dry cloth. Acer Important Safety Notice Acer -LCD-A231H 1. Safety precautions This monitor is damaged. Have it . Service notes z When replacing parts or circuit boards, clamp the lead wires around terminals before...
Service Guide
Page 4
...a green product and meets all ROHS standard. The monitors shall automatically to display lower resolution video modes into 1920x1080 full screen display. Acer 1. The power button and display control buttons are on the front of the monitor. It support HDCP and color management function. 1.1...(DVI-D 24 pin & HDMI 19Pin) 1.5 W *2 Compatible with embedded universal AC power supplies and audio input. General: 01 Product Specification Acer -LCD-A231H Acer A231H is designed with LVDS interface and VGA/DVI-D/HDMI(option) input, it featured with VESA, DPMS VESA DDC/CI YES English, Deutsch, Espa...
...a green product and meets all ROHS standard. The monitors shall automatically to display lower resolution video modes into 1920x1080 full screen display. Acer 1. The power button and display control buttons are on the front of the monitor. It support HDCP and color management function. 1.1...(DVI-D 24 pin & HDMI 19Pin) 1.5 W *2 Compatible with embedded universal AC power supplies and audio input. General: 01 Product Specification Acer -LCD-A231H Acer A231H is designed with LVDS interface and VGA/DVI-D/HDMI(option) input, it featured with VESA, DPMS VESA DDC/CI YES English, Deutsch, Espa...
Service Guide
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... °C (hold 3.5 hrs) Storage Low Temperature -30°C / humidity not controlled High temperature &low humidity +65°C/ 10% R.H. Acer 1.2 Accessories Items Description Option VGA cable 1.8m µ DVI cable 1.8m µ Acer -LCD-A231H Audio cable 1.8m µ User's manual Multi µ Warranty card Multi µ Quick-start Guide Multi µ 2. Test Profile...
... °C (hold 3.5 hrs) Storage Low Temperature -30°C / humidity not controlled High temperature &low humidity +65°C/ 10% R.H. Acer 1.2 Accessories Items Description Option VGA cable 1.8m µ DVI cable 1.8m µ Acer -LCD-A231H Audio cable 1.8m µ User's manual Multi µ Warranty card Multi µ Quick-start Guide Multi µ 2. Test Profile...
Service Guide
Page 6
..., Ergonomics and Compatibility Requirements EMC Safety Acer -LCD-A231H EMC&Safety Ergonomics Compatibility Power Management Windows 95/98/Me/2000/XP/VISTA/7 Energy Star 5.0 2.3 Electrostatic Discharge Requirements Item Condition Spec Contact discharge: 4KV Electrostatic ...
..., Ergonomics and Compatibility Requirements EMC Safety Acer -LCD-A231H EMC&Safety Ergonomics Compatibility Power Management Windows 95/98/Me/2000/XP/VISTA/7 Energy Star 5.0 2.3 Electrostatic Discharge Requirements Item Condition Spec Contact discharge: 4KV Electrostatic ...
Service Guide
Page 7
...star not component be 10 minutes at least after the latest test. Before each test, the buck capacitor need to be discharged. Acer 3. Before each test, it must be damaged. See Note2 3.1.2 Output characteristics Items Condition Spec Note Ripple and Noise +25V ...output +5V output Electrical and Optical Characteristics and Performance 3.1 Main Power Supply 3.1.1 Input characteristics Acer -LCD-A231H Items Condition Spec Note AC Input Voltage range Universal input full range 90~264Vac AC Input Voltage rating Universal input full range ...
...star not component be 10 minutes at least after the latest test. Before each test, the buck capacitor need to be discharged. Acer 3. Before each test, it must be damaged. See Note2 3.1.2 Output characteristics Items Condition Spec Note Ripple and Noise +25V ...output +5V output Electrical and Optical Characteristics and Performance 3.1 Main Power Supply 3.1.1 Input characteristics Acer -LCD-A231H Items Condition Spec Note AC Input Voltage range Universal input full range 90~264Vac AC Input Voltage rating Universal input full range ...
Service Guide
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... Vrms (25˚C) Operating frequency 40~60 KHz Protect delay time > 1 second Efficiency ≥75% Note: Other panels please refer to the reference panel specs. Acer OTP(Over temperature protection) Fuse protection Table-1 Status Power On Power Saving Power Off H-sync on off on off -- 3.2 Backlight Power Supply Panel: LTM230HT02 Items... Lamp Input Voltage Input current On/Off switch level Brightness PWM Duty (ACM Off) Brightness PWM Duty (ACM On) CCFL operating Voltage Acer -LCD-A231H V-sync on on ) -0.3v ≤ V off ≤ 0.8 V (off --
... Vrms (25˚C) Operating frequency 40~60 KHz Protect delay time > 1 second Efficiency ≥75% Note: Other panels please refer to the reference panel specs. Acer OTP(Over temperature protection) Fuse protection Table-1 Status Power On Power Saving Power Off H-sync on off on off -- 3.2 Backlight Power Supply Panel: LTM230HT02 Items... Lamp Input Voltage Input current On/Off switch level Brightness PWM Duty (ACM Off) Brightness PWM Duty (ACM On) CCFL operating Voltage Acer -LCD-A231H V-sync on on ) -0.3v ≤ V off ≤ 0.8 V (off --
Service Guide
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Acer Acer -LCD-A231H 3.3 Brightness output The test to Sec 3.3. (Brightness and contrast are under the following standard conditions unless otherwise noted. Temperature Test pattern Video Resolution Video input ...
Acer Acer -LCD-A231H 3.3 Brightness output The test to Sec 3.3. (Brightness and contrast are under the following standard conditions unless otherwise noted. Temperature Test pattern Video Resolution Video input ...
Service Guide
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... Symbol 1 TMDS Data2+ 2 TMDS Data2 shield 3 TMDS Data24 TMDS Data1+ 5 TMDS Data1 shield Pin Symbol 11 Cable detect 12 TMDS Clock13 CEC 14 N/C 15 SCL Acer 3.5 Brightness uniformity The test standard conditions refer to Sec 3.3. Acer -LCD-A231H Min. luminance Max. luminance of of nine nine points points (backlight) (backlight) 75% 4.
... Symbol 1 TMDS Data2+ 2 TMDS Data2 shield 3 TMDS Data24 TMDS Data1+ 5 TMDS Data1 shield Pin Symbol 11 Cable detect 12 TMDS Clock13 CEC 14 N/C 15 SCL Acer 3.5 Brightness uniformity The test standard conditions refer to Sec 3.3. Acer -LCD-A231H Min. luminance Max. luminance of of nine nine points points (backlight) (backlight) 75% 4.
Service Guide
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... more detail 3. Each frequency of Power Macintosh and Sun Ultra is a reference value Non-interlace signals only (An interlace signal cannot be display) 2. Acer 4.5.2 Signal SPEC: Acer -LCD-A231H Items Condition Specification Analog RGB signal Sync H-Sync Frequency V-Sync Frequency Input impedance =75 Ohm Input impedance Ú1k Ohm 0.7Vp-p TTL level, Separate...
... more detail 3. Each frequency of Power Macintosh and Sun Ultra is a reference value Non-interlace signals only (An interlace signal cannot be display) 2. Acer 4.5.2 Signal SPEC: Acer -LCD-A231H Items Condition Specification Analog RGB signal Sync H-Sync Frequency V-Sync Frequency Input impedance =75 Ohm Input impedance Ú1k Ohm 0.7Vp-p TTL level, Separate...
Service Guide
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Acer 4.7 HDMI timing table(For HDMI Module) For DVD Player Input, Attached timing is supported : Mode VGA NTSC (480i) 4:3 NTSC (480i) 16:9 NTSC (480p) 4:3 NTSC (480p) ....5 15.73 15.73 31.47 31.47 15.63 31.27 31.27 37.5 44.96 28.125 33.72 56.250 67.50 Acer -LCD-A231H V sync Hz 60 60 60 60 60 50 50 50 50 60 50 60 50 60
Acer 4.7 HDMI timing table(For HDMI Module) For DVD Player Input, Attached timing is supported : Mode VGA NTSC (480i) 4:3 NTSC (480i) 16:9 NTSC (480p) 4:3 NTSC (480p) ....5 15.73 15.73 31.47 31.47 15.63 31.27 31.27 37.5 44.96 28.125 33.72 56.250 67.50 Acer -LCD-A231H V sync Hz 60 60 60 60 60 50 50 50 50 60 50 60 50 60
Service Guide
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... : See the attached table (for Class-D Output Power and THD+N Measurement 4.9 DDC data EDID File Format : VESA's EDID Standard Version #3, Revision #0, EDID Structure : Version #1, Revision #3. Acer Acer -LCD-A231H 4.8 Audio output SPEC(For Audio Module) Items Specification Min TYP MAX TEST CONDITIONS Output power (W) 1.2 1.5 1.8 THD+N = 10%pAT 1KHz 1Vrms Output impedance (Ω) 3.4 4 4.6 AT...
... : See the attached table (for Class-D Output Power and THD+N Measurement 4.9 DDC data EDID File Format : VESA's EDID Standard Version #3, Revision #0, EDID Structure : Version #1, Revision #3. Acer Acer -LCD-A231H 4.8 Audio output SPEC(For Audio Module) Items Specification Min TYP MAX TEST CONDITIONS Output power (W) 1.2 1.5 1.8 THD+N = 10%pAT 1KHz 1Vrms Output impedance (Ω) 3.4 4 4.6 AT...
Service Guide
Page 18
Acer Acer -LCD-A231H 5. ON/OFF) Anti-Glare, 3H 4 CCFLs 534.0(W) ×311.7(H) ×12(D) (TYP.) Notice: Other second panel pls refer to verify specifications in this section shall ...
Acer Acer -LCD-A231H 5. ON/OFF) Anti-Glare, 3H 4 CCFLs 534.0(W) ×311.7(H) ×12(D) (TYP.) Notice: Other second panel pls refer to verify specifications in this section shall ...
Service Guide
Page 19
..., or change the contents of it , if search the port with signal in order) b. B. Press [►] key one time to search (a port with signal D. C. C. C. A. Acer Acer -LCD-A231H 5.2 Optical characteristic of LCD panel The test methods for the below items' definition, please refer to the specification of menu icon that port c. Item Viewing...
..., or change the contents of it , if search the port with signal in order) b. B. Press [►] key one time to search (a port with signal D. C. C. C. A. Acer Acer -LCD-A231H 5.2 Optical characteristic of LCD panel The test methods for the below items' definition, please refer to the specification of menu icon that port c. Item Viewing...
Service Guide
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Select "F" for DC power on the left top. Acer [POWER] Power on or power off the monitor Acer -LCD-A231H 5.3.2 Hot Key Operation HOT KEY OPERATION FUNCTION e Color AUTO MENU ◄ ► POWER DESCRIPTION FACTORY MODE ● Press [e], and then press [POWER] ON for entering factory mode. OSD menu will be shown with "F" on .
Select "F" for DC power on the left top. Acer [POWER] Power on or power off the monitor Acer -LCD-A231H 5.3.2 Hot Key Operation HOT KEY OPERATION FUNCTION e Color AUTO MENU ◄ ► POWER DESCRIPTION FACTORY MODE ● Press [e], and then press [POWER] ON for entering factory mode. OSD menu will be shown with "F" on .
Service Guide
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...factory with all OSD controls set to use icon based menu through keypad OSD buttons or remote control unit. Acer 5.4 OSD Structure Acer -LCD-A231H The On-Screen Display (OSD) shall be an easy to their default values. Control Range --- ----- empowering...Red Green Blue 0~100 0~100 0~100 0~100 -- --0~100 0~100 0~100 --10~120 --- Input Acer eColor Management --- ON OFF --- First Second e-color Auto Function Menu Main menu Third empowering technology --- Standard User mode 77 Text mode 44 Standard mode ...
...factory with all OSD controls set to use icon based menu through keypad OSD buttons or remote control unit. Acer 5.4 OSD Structure Acer -LCD-A231H The On-Screen Display (OSD) shall be an easy to their default values. Control Range --- ----- empowering...Red Green Blue 0~100 0~100 0~100 0~100 -- --0~100 0~100 0~100 --10~120 --- Input Acer eColor Management --- ON OFF --- First Second e-color Auto Function Menu Main menu Third empowering technology --- Standard User mode 77 Text mode 44 Standard mode ...
Service Guide
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...ñol --- Italiano Italiano --- Info V.Freq --- --- --- --- Others depend on timing. Dutch Finnish ˚͉Ⴇ --- --- --- --- --- Notes: ¯1 Clock default 50 is for Visa timing. H.Freq --- --- --- --- Acer -LCD-A231H -- --- Input Type --- --- --- --- English English --- English -- --- S/N --- --- --- --- Acer Language Reset Resolution Digital --- HDMI ---
...ñol --- Italiano Italiano --- Info V.Freq --- --- --- --- Others depend on timing. Dutch Finnish ˚͉Ⴇ --- --- --- --- --- Notes: ¯1 Clock default 50 is for Visa timing. H.Freq --- --- --- --- Acer -LCD-A231H -- --- Input Type --- --- --- --- English English --- English -- --- S/N --- --- --- --- Acer Language Reset Resolution Digital --- HDMI ---