User Manual
Page 16
Actual product specifications may vary. The OSD can be used for general reference only. For advanced settings, please refer to following content is for adjusting the settings of ...
Actual product specifications may vary. The OSD can be used for general reference only. For advanced settings, please refer to following content is for adjusting the settings of ...
User Manual
Page 20
... AudioInput model) (Optional) No sound, or sound level is in minimum position and try to raise the volume level. Unstable Picture · Check if the specification of the host PC is too low · Check the audio cable with non-standard signals. LED displays amber color · Check if video signal...
... AudioInput model) (Optional) No sound, or sound level is in minimum position and try to raise the volume level. Unstable Picture · Check if the specification of the host PC is too low · Check the audio cable with non-standard signals. LED displays amber color · Check if video signal...
Service Guide
Page 2
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 Ltd. 1 Table of InnoLux Tech. Corp.
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 Ltd. 1 Table of InnoLux Tech. Corp.
Service Guide
Page 4
... Response time (Tr+Tf) Viewing angle Input interface Audio system Power management Plug & Play University AC power supply For Non-EMEA OSD language For EMEA Specifications 1920 x 1080 @ 60Hz 4 CCFL 265.2 um (H) x 265.2 um (V) 509.76mm (H) x 286.74mm (V) 1000׃1 (TYP.)... ROHS standard. The monitors shall automatically to display lower resolution video modes into 1920x1080 full screen display. 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 ...
... Response time (Tr+Tf) Viewing angle Input interface Audio system Power management Plug & Play University AC power supply For Non-EMEA OSD language For EMEA Specifications 1920 x 1080 @ 60Hz 4 CCFL 265.2 um (H) x 265.2 um (V) 509.76mm (H) x 286.74mm (V) 1000׃1 (TYP.)... ROHS standard. The monitors shall automatically to display lower resolution video modes into 1920x1080 full screen display. 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 ...
Service Guide
Page 5
... 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. High Temperature +40°C / 20% R.H., 12 hrs. Operation Specifications The unit should suffer no visible cosmetic damage and should operate with no...
... 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. High Temperature +40°C / 20% R.H., 12 hrs. Operation Specifications The unit should suffer no visible cosmetic damage and should operate with no...
Service Guide
Page 8
Power ≤55W < 1W < 1W < 1W < 1W LED Blue Amber Amber Amber Off Specification 4 CCFL 23.8---28V 1.2A (Typ.), 1.4A (Max.) 3.6VÚV onÚ 2.0 V (on off off ) ... 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 --...(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 -- Video active blanked blanked blanked --
Power ≤55W < 1W < 1W < 1W < 1W LED Blue Amber Amber Amber Off Specification 4 CCFL 23.8---28V 1.2A (Typ.), 1.4A (Max.) 3.6VÚV onÚ 2.0 V (on off off ) ... 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 --...(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 -- Video active blanked blanked blanked --
Service Guide
Page 9
...to measure the screen center, the light output shall BL ≥ 200 cd/m2 . 3.4 White balance The test standard conditions refer to verify specifications in this section shall be performed under default value) Mode Cool Warm User 9300K 6500K Chromaticity Coordinate x y 0.283 ± 0.030 0.297 ...± 0.030 0.313 ± 0.030 0.329 ± 0.030 Panel While x Panel While y 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.
...to measure the screen center, the light output shall BL ≥ 200 cd/m2 . 3.4 White balance The test standard conditions refer to verify specifications in this section shall be performed under default value) Mode Cool Warm User 9300K 6500K Chromaticity Coordinate x y 0.283 ± 0.030 0.297 ...± 0.030 0.313 ± 0.030 0.329 ± 0.030 Panel While x Panel While y 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.
Service Guide
Page 10
luminance Max. Acer -LCD-A231H Min. luminance of of nine nine points points (backlight) (backlight) 75% 4. Input / Output Signal Specifications 4.1 AC in 4.1.1 AC Input Voltage: 100~240VAC 4.1.2 AC Input Current: 1.2A @100Vac, 0.6A @240Vac 4.1.3 AC Frequency Range: 50~60Hz 4.2 Audio in (Option) 4.2.1 Input impedance u Ú ... 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.
luminance Max. Acer -LCD-A231H Min. luminance of of nine nine points points (backlight) (backlight) 75% 4. Input / Output Signal Specifications 4.1 AC in 4.1.1 AC Input Voltage: 100~240VAC 4.1.2 AC Input Current: 1.2A @100Vac, 0.6A @240Vac 4.1.3 AC Frequency Range: 50~60Hz 4.2 Audio in (Option) 4.2.1 Input impedance u Ú ... 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.
Service Guide
Page 13
... Power Macintosh and Sun Ultra is a reference value Non-interlace signals only (An interlace signal cannot be display) 2. Please refer to F/W specification for more detail 3. 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...
... Power Macintosh and Sun Ultra is a reference value Non-interlace signals only (An interlace signal cannot be display) 2. Please refer to F/W specification for more detail 3. 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
Page 15
... (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 1KHz 1Vrms Total harmonic distortion...
... (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 1KHz 1Vrms Total harmonic distortion...
Service Guide
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... are: Temperature Warm-up time Checking display modes : 25 ± 5°C : 30 minutes minimum : All the specified modes 5.1 Panel general specifications Item Supplier Model name Display Area(mm) Pixel Pitch(mm) Display Colors Number of Pixel Brightness Contrast Ratio Viewing Angle Display Mode Response Time Surface... (TYP. 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 be performed under the following standard conditions unless otherwise noted. Acer Acer -LCD-A231H 5.
... are: Temperature Warm-up time Checking display modes : 25 ± 5°C : 30 minutes minimum : All the specified modes 5.1 Panel general specifications Item Supplier Model name Display Area(mm) Pixel Pitch(mm) Display Colors Number of Pixel Brightness Contrast Ratio Viewing Angle Display Mode Response Time Surface... (TYP. 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 be performed under the following standard conditions unless otherwise noted. Acer Acer -LCD-A231H 5.
Service Guide
Page 19
... value; When OSD disappear not including "e Color OSD", press [e Color] to show on the screen; [AUTO] B. 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 an adjustment item, or change an adjustment value; When "MENU OSD" displays, press these keys...
... value; When OSD disappear not including "e Color OSD", press [e Color] to show on the screen; [AUTO] B. 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 an adjustment item, or change an adjustment value; When "MENU OSD" displays, press these keys...
Service Guide
Page 26
... Ajuste/salir Выбор Auswahl Sélectionner Seleccionar Grafica Film Utente Regola/Esci Seleziona Acer -LCD-A231H Grafische Grafiikka Film Elokuva Gebruiker Käyttäjä Aanpassen/v erlaten Säädä/Lopeta Selecteren Valitse...Cabinet Material Cabinet Plastic Material Front Bezel Back Cover Base Cabinet Texture ABS HB BLACK BLACK BLACK ACER SPECIFICATION Spec 6.3 Mechanical Specification Mechanical Bezel Gap Specification Screen printed Parts Ù1.3mm Front bezel Spec 6.4 Base Mechanical Interface Tilt Wall Mount items...
... Ajuste/salir Выбор Auswahl Sélectionner Seleccionar Grafica Film Utente Regola/Esci Seleziona Acer -LCD-A231H Grafische Grafiikka Film Elokuva Gebruiker Käyttäjä Aanpassen/v erlaten Säädä/Lopeta Selecteren Valitse...Cabinet Material Cabinet Plastic Material Front Bezel Back Cover Base Cabinet Texture ABS HB BLACK BLACK BLACK ACER SPECIFICATION Spec 6.3 Mechanical Specification Mechanical Bezel Gap Specification Screen printed Parts Ù1.3mm Front bezel Spec 6.4 Base Mechanical Interface Tilt Wall Mount items...