Manual Acer A231H

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  • Acer A231H - page 1

    Acer Acer –LCD-A231H Service Manual LCD Monitor Acer A231H ...

  • Acer A231H - page 2

    1 1 T able of Content s Important Safety Notice ......................................................................................... 02 01 Product S pecification .......................................................................................... 03 02 Flat Panel S pecification ............................................................ ...

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    Acer Acer –LCD-A231H Import ant Safety Notice 1. Safety precautions This monitor is manufactured and tested on a ground pr inciple that a user ’s safety comes first. However , improper used or installation may cause damage to the monitor as well as to the user . W arning: z This monitor should be operated only at the corre ct power sources indi ...

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    Acer Acer –LCD-A231H 01 Product S pecification 1. General: Acer A231H is designed with L V DS interface and VGA/DVI-D/HDMI(option) i nput, it featured with embedded universal AC power supplies and audio i nput. It’s a green product and meet s all ROHS standard. The power button and display control buttons are on the front of the monitor . The m ...

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    Acer Acer –LCD-A231H 1.2 Accessories Items VGA cable DVI cable Audio cable User ’ s manual W arranty card Quick-st art Guide Description 1.8m 1.8m 1.8m Multi Multi Multi Option ● ● ● ● ● ● 2. Operation Specifications The unit should suffer no visible co smetic damage and should operate with no degradat ion in display qualit y during ...

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    Acer Acer –LCD-A231H 2.2 Safety , EMC, Ergonomics and Compatibility Requirements EMC Safety EMC&Safety Ergonomics Compatibility Windows 95/98/Me/2000/XP/VIST A/7 Power Management Energy S tar 5.0 2.3 Electrost atic Discharge Requirement s 2.4 Reliability Items Condition Spec Note MTBF Operating condition is 25 ° C ≧ 50,000 Hours CCFL Life ...

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    Acer Acer –LCD-A231H 3. Electrical and Optica l Characteristics and Performance 3.1 Main Power Suppl y 3.1.1 Input characteristics Items Condition Spec Note AC Input V oltage range Universal input full range 90~264Vac AC Input V oltage rating Universal input full range 100~24 0Vac AC input frequency range 90~264V ac 47~63Hz AC input frequency rat ...

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    Acer Acer –LCD-A231H OTP(Over temperature protection) Fuse protection Table-1 Stat us H-sync V- s y n c V ideo Pow er LED Power On on on active ≤ 55W Blue off on blanked < 1W Amber on off blanked < 1W Amber Power Saving off of f blanked < 1W Amber Power Of f -- -- -- < 1W Of f 3.2 Backlight Pow er Supply Panel: L TM230HT02 Items Spe ...

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    Acer Acer –LCD-A231H 3.3 Brightness output The test to verify specifications in this secti on shall be performed under t he following standard conditions unless otherwise noted. T emperature : 25 ± 5°C T est pattern : white V ideo Resolution : 1920 x 1080 V ideo input level : 700 mV ± 2% W arm-up time : 30 minutes Set brightness control and al ...

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    Acer Acer –LCD-A231H 3.5 Brightness uniformit y The test standard conditions refer to Sec 3.3. % ≥ 75 ) (backlight points nine of luminance Max. ) (backlight points nine of luminance Min. 4. Input / Output Signal Specifications 4.1 AC in 4.1.1 AC Input V oltage: 100~240V AC 4.1.2 AC Input Current: 1.2A @100V ac, 0.6A @240V ac 4.1.3 AC Frequency ...

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    Acer Acer –LCD-A231H 6 TMDS Data1- 16 SDA 7 TMDS Data0+ 17 DDC/CEC Ground 8 TMDS Data0 shield 18 +5V Power 9 TMDS Data0- 19 Hot Plug Detect 10 TMDS Clock+ 4.4 DVI-D in DVI-D Connector Pin assignment: Pin Symbol Pin Symbol 1 TMDS Data 2- 16 Hot Plug Detect 2 TMDS Data 2+ 17 TMDS Data 0- 3 TMDS Data 2/4 shield 18 TMDS Data 0+ 4 N/C 19 TMDS Data 0/5 ...

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    Acer Acer –LCD-A231H 9 PC +3.3/+5V 10 Sync. Ground 1 1 N/C 12 DDC SDA 13 H sync 14 V sync 15 DDC SCL ...

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    Acer Acer –LCD-A231H 4.5.2 Signal SPEC: Items Condition Specification Analog RGB signal Input impedance =75 Ohm 0.7Vp-p Sync Input impedance ≧ 1k Ohm TTL level, Separate H/V -sync(+/-) H-Sync Frequency 31K~83KHz V -Sync Frequency 56~76Hz 4.6 Timing table Mode Resolution (active dot) Resolution (total dot) Horizontal Frequency (KHz) Vertical Fre ...

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    Acer Acer –LCD-A231H 4.7 HDMI timing t able( For HDMI Module ) For DVD Player Input, Attached timing is s upported : Mode Resolution Pixel Clock MHz H sync KHz V sync Hz VGA 640 x 480p 25.2 31.5 60 NTSC (480i) 4:3 720 x 480 13.50 15.73 60 NTSC (480i) 16:9 720 x 480 13.50 15.73 60 NTSC (480p) 4:3 720 x 480 27.00 31.47 60 NTSC (480p) 16:9 720 x 480 ...

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    Acer Acer –LCD-A231H 4.8 Audio output SPEC( For Audio Module ) Specifica tion Items Min TYP MAX TEST CONDITIONS Output power (W) 1.2 1.5 1.8 THD+N = 10% ﹐ AT 1KHz 1V rms Output impedance ( Ω ) 3.4 4 4.6 A T 1KHz 1V rms T otal harm onic distortion plus noise --- --- 10% Po ≦ 2.0W Signal to noise ratio (dB) 40 --- --- THD+N ≦ 5% PWM frequen ...

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    Acer Acer –LCD-A231H 4.9.1 VGA EDID table 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 04 72 C9 00 45 23 01 01 1 0A 14 01 03 08 33 1D 78 EA 60 85 A6 56 4A 9C 25 2 12 50 54 B3 0C 10 71 4F 81 00 81 80 95 00 D1 C0 3 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 4 45 00 FD 1E 11 00 00 1A 00 00 00 FC 00 50 32 33 5 36 48 0A 20 20 20 20 2 ...

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    Acer Acer –LCD-A231H 5 25 00 13 2A 21 00 00 9E 01 1D 00 BC 52 D0 1E 20 6 B8 28 55 40 13 2A 21 00 00 1E 01 1D 80 D0 72 1C 7 16 20 10 2C 25 80 13 2A 21 00 00 9E 00 00 00 FF ...

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    Acer Acer –LCD-A231H 5. Function Specifications All the tests to verify specifications in this section shall be perform ed under the following standard conditions unless otherwise noted . The st andard conditions are: T emperature : 25 ± 5°C W arm-up time : 30 minutes minimum Checking display modes : All the specified modes 5.1 Panel general sp ...

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    Acer Acer –LCD-A231H 5.2 Optical characteristic of LCD p anel The test methods fo r the below items’ d efinition, please refer t o the specification of INL MT230DW01 panel. Item Unit Conditions Min. Ty p . Max. Remark Right 70 80 [degree] Horizont al Left 70 80 - - Up 70 80 Viewing Angle ( CR >= 10 ) [degree] Ve r t i c a l Down 70 80 - - Co ...

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    Acer Acer –LCD-A231H [POWER] Power on or power of f the monitor 5.3.2 Hot Key Operation HOT KEY OPERATION FUNCTION e Color AUTO MENU ◄ ► POWER DESCRIPTION FACTORY MODE ● ON Press [e], and then press [POWER] for DC power on. OSD menu wil l be shown with “F ” on the left top. Select “F” for entering fa ctory mode. ...

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    Acer Acer –LCD-A231H 5.4 OSD Structure The On-Screen Display (OSD) shall be an easy to use icon based menu through keypad OSD buttons or remote control unit. The unit shall leave t he factory with all OSD controls set to their default values. First Second Third Fourth Control Range Default Value e-color e mpowering technology --- --- --- Auto --- ...

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    Acer Acer –LCD-A231H Digital --- --- --- HDMI --- --- --- EMEA NO-EMEA --- --- English English --- --- Russian 繁體中文 --- --- Deutsch Deutsch --- --- Français Français --- --- Español Español --- --- Italiano Italiano --- --- Dutch 简 体中文 --- --- Language Finnish 日本語 --- --- English Reset --- --- --- --- Resolution --- --- ...

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    Acer Acer –LCD-A231H 5.5 OSD Translation Main menu (N O_EMEA) English ( 英 语 ) 繁體中文 Deutsch ( 德 语 ) Français ( 法 语 ) Español ( 西班牙 语 ) Italiano ( 意大 利语 ) 简 体中文 日本語 Picture 畫面 Bild Image Imagen Immagine 画面 ピクチャー Brightness 亮度 Helligkeit Luminosité Brillo Luminosità 亮 度 ...

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    Acer Acer –LCD-A231H English ( 英 语 ) 繁體中文 Deutsch ( 德 语 ) Français ( 法 语 ) Español ( 西班牙 语 ) Italiano ( 意大 利语 ) 简 体中文 日本語 Auto Config Please Wait 自動調整 請稍待 Autom. Abgl. Bitte warten Autoréglage Veuillez patienter Autoajuste Espere, porfavor Autoregolaz ione Attendere prego 自动 ? ...

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    Acer Acer –LCD-A231H Blue Синий Blau Bleu Azul Blu Blauw Sininen Auto Config Ав тонастро йк а Autom. Abgl. Autoréglage Autoajuste Autoregolazione Autom.conf iguratie Autom. asetukset OSD OSD OSD T imeout Вр . ото б р . Меню OSD-Dauer Délai de l'OSD T . de espera OSD Intervallo OSD Time-out OSD A ikakatkaisu Set ...

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    Acer Acer –LCD-A231H Graphics Изображен ие Grafiken Images Gráficos Gr afica Grafische Grafiikka Movie Кино S pielfilm Film Película Film Film Elokuva User Пользовате ль Benutzer Utilisateur Usuario Utente Gebruiker Käyttäjä Adjust/Exit Настроить / Выход Abstimmen/Be enden Ajuster/Quitter Ajuste/salir ...

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    Acer Acer –LCD-A231H 7. Package 7.1 Unit Package Specification 7.1.1 Units pack age Items S pec Packaging Refer to ME P ACKING SPEC Ink COLOR Length 620+/-2.0mm Height 483+/-2.0mm Width 146+/-2.0mm Gross Wei ght 7.7±0.5kg for INL panel (INL p anel weight 3.05Kg) Units per Pall et 59sets/p allet 40’ /20’ Cont ainer Loading, Palletized 1 180se ...

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    Acer Acer –LCD-A231H 7.1.3 Non operation Thermal Shock Tes t Item Description T emperature -20 0 C to 60 0 C Reset cycl es times 25 ºC >60 ºC (10hrs)>25 ºC (2hrs)>-20 ºC (10hrs)>25 ºC 3cycles , every transition time 0.5 hr , T otal cy cles 3 cycles 7.1.4 Package Drop Drop height (Select drop height according to t he gross wei ght ...

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    Acer Acer –LCD-A231H 02. Flat Panel Specification ...

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    Acer Acer –LCD-A231H 03 Exploded Diagram 3.1. Screw List Item Part No. Description Qty Fixed T(kg*cm) Remark 1 509146306200R SCREW,P,CROSS,W /WAS,M3*6,Zn-Cc 6 6.5 ± 0.5 I/F Board to Chassis*1 Power Board to Chassis*4 2 509000000700R BOLT,#4-40x11.8,Ni ROHS 4 3.75 ± 0.25 D-SUB CON*2 DVI CON*2 3 509212608120R SCREW,F,CROSS,T4*8,Zn,ROHS(5.8~6.2) 3 ...

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    Acer Acer –LCD-A231H 04 T roubleshooting 1 . No Power & Power LED Off No power Check primary rectifier voltage Check IC802, C804, T801, Check circuit if short Check F801, P801, R T801,D801 Check pin6 of IC802 voltage about 16V CheckC810,D803,C807, Check pin2 of IC802 voltage about 3V Check primary OVP , OLP and secondary feedback, OVP circu ...

  • Acer A231H - page 73

    Acer Acer –LCD-A231H 2 . DC output voltage is unst able Check the R pin volta g e of IC803 Check R832 Check D803, C80 7,C810 Change Check pin6 of IC802 voltage Check pin3 of IC802 voltage Check R805, R81 4,R815 END Check the C pin voltage of IC803 Change Unstabl e power Check sampli ng C i r c u i t Check R822,R825,R826, R822,R825,R826, ...

  • Acer A231H - page 74

    Acer Acer –LCD-A231H 3 . Backlight can’t be turned on N o raster? LED Green? Ye s Ye s Ye s Backlight can’t be turned on. No Check power supply Is there high-level volt age on pin6 of IC501? No Is Ok R505? Check I/F board Ye s R505 open No Ye s Is there insta nt aneously pulse wave on pin1, pin16 of IC501 at the moment of restart? No Is Ok ...

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    Acer Acer –LCD-P236H 4. Black screen ...

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    Acer Acer –LCD-P236H 5. White Screen ...

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    Acer Acer –LCD-P236H 6. Bad Screen ...

  • Acer A231H - page 78

    Acer Acer –LCD-A231H 05 S pare p art s List 8231EY81A120R PARTNAME ACER PAR T NO. OEM PA RT NO DESCRIPTION CN MAIN BOARD 55.LNW0J.001 795611300800R PCBA,IF/B(A09,EMEA,W/SPK),LE23ER-812 ROH POWER BOARD 55.LNW0J.002 795611400800R PCBA,PI/B,W/SPK,LE23ER-812 ROHS KEYPAD BOARD 55.LNX 0J.001 795691500800R PCBA,KEYPAD/B,LE23EY-812 ROHS LVDS CABLE 50.LK6 ...

  • Acer A231H - page 79

    Acer Acer –LCD-A231H COVER 60.LNX0J.003 71405E23EY00R ASSY BACK COVER SEC 1A1D LE23EY BASE 60.LNX0J.004 71402E23EY00R ASSY BASE LE23EY STAND UP 42.LNX0J.001 50126E23EY00R STAND UP LE23EY SPEAKER 23.LK60J.001 618100103150R SPEAKER 1.5W 4 Ω 100&120mm R/B/G W/CASE PANEL LK.23006.014 631102230260HA LCP 23" LTM230HT01-A09(A)(SAMSUNG)HF ...

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    Acer Acer –LCD-A231H 06 Schematics and Layout s 6.1 IF BD Layout ...

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    Acer Acer –LCD-A231H 6.2 Power BD Layout ...

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    Acer Acer –LCD-A231H 6.3 Keyp ad BD Layo ut ...

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    Acer Acer –LCD-A231H 6.4 IF BOARD schematics a nd Power Suppl y circuit ...

  • Acer A231H - page 84

    5 5 4 4 3 3 2 2 1 1 D D C C B B A A LEFT GND 8 (KEY2) To Key pad Board 7 (LED_G) +5V 1 (KEY1) SDA RESET LED_BLUE GND 6 (GND) 5 (LED_A) POWER 2 (ADC_KEY1) LED_ORANGE 3 (ADC_KEY2) The Green section is added for Touchpad function key 4 (LED_B) LED_BLUE FOR SINGLE LVDS INPUT Auto RIGHT POWER CN104 Pin definition CN104 Pins LED_YELLOW MENU U105 SCL Maes ...

  • Acer A231H - page 85

    5 5 4 4 3 3 2 2 1 1 D D C C B B A A usb5v +5V BRIGHTNESS 3 AudioVCC5V 4 VOLUME 6 AUDIO_SW 6 HDMI_AUDIO_L 6 PSC 6 ON/OFF 3 USB 5V 6 VCC5V HDMI_AUDIO_R 6 MUTE 6 PSC 6 USB 5V 6 +24V 3,4 VCC5V InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : DRAWN BY : CHECK BY : APPRO BY : V01 6 2 Custom P236H POWER SUPPLY 2010-01-15 InnoLux Document Num ...

  • Acer A231H - page 86

    5 5 4 4 3 3 2 2 1 1 D D C C B B A A InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : DRAWN BY : CHECK BY : APPRO BY : V02 6 3 A P236H POWER Control 2010-01-15 InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : DRAWN BY : CHECK BY : APPRO BY : V02 6 3 A P236H POWER Control 2010-01-15 InnoLux Document Number : SIZE : TITLE : ...

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    5 4 3 2 1 D C B A A VS3 VS2 OP1 IS1 PWM IS1 VSEN IS2 VS4 PWM VSEN VS2 VS1 IS2 VS3 DRIV OP2 VDDA DRIV VS1 OP1 VS4 OP2 0 0 0 0 0 0 VDDA 0 0 VCC5V +24V VCC5V BRIGHTNESS 2 +24V BRIGHTNESS InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : DRAWN BY : CHECK BY : APPRO BY : V01 6 4 A4 P236H INVERTER SUPPLY 2010-01-15 InnoLux Document Number : ...

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    5 4 3 2 1 D C B A A IS1 VS4 VS2 OP1 OP2 IS2 VS3 VS1 IS2 OP1 VS2 OP2 IS1 VS4 VS1 VS3 0 0 0 0 +25V Briness VCC5V ON/OFF InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : DRAWN BY : CHECK BY : APPRO BY : V01 6 5 A4 P236H INVERTER SUPPLY 2010-01-15 InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : DRAWN BY : CHECK BY : APPRO B ...

  • Acer A231H - page 89

    5 5 4 4 3 3 2 2 1 1 D D C C B B A A RI LI ROUT- LOUT- LI AR RI AL LOUT+ AL AR ROUT+ Audio VCC5V Audio VCC5V Audio VCC5V Audio VCC5V HDMI_AUDIO_L 2 ROUT- Audio VCC5V 2 AR HDMI_AUDIO_R 2 MUTE 2 AUDIO_SW 2 ROUT+ LOUT+ AL AR AL VOLUME 2 LOUT- InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : DRAWN BY : CHECK BY : APPRO BY : V02 6 6 Custom ...

  • Acer A231H - page 90

    Acer Acer –LCD-A231H 07 Assembly and disassembly S1 Release the base from st and. S2 Release the st and cover . S3 Screw out the 3 screws in st and. ...

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    Acer Acer –LCD-A231H S4 T ake of f the st and. S5 Release the front bezel at 3 sides S6 T urn over the monitor , release the back-cover . ...

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    Acer Acer –LCD-A231H S7 Release the keyp ad cable and release the keyp ad board. S8 Pull out lamp cables and L VDS cable. S9 Release the chassis. ...

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    Acer Acer –LCD-A231H S10 Screw out the 4 bolt screws S1 1 Release the 6 screws from interface board and pow er board. S12 Release the speaker cable. ...

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    Acer Acer –LCD-A231H S13 T ake out interface board and pow er board. S14 T ake out LCD panel. ...

  • Acer A231H - page 95

    Acer Acer –LCD-A231H 08 FW & EDID upgrade procedure 1. SOP of PCBA ISP Programming (FW T OOL: INL PN 799999942100R/Acer PN 6K.L46VF .001) 1.1 Operational condition: Equipment: PC, ISP card, signa l cable and power cable. ESD requirement s: antist atic wrist s, anti st atic gloves(fingers), and connecting cable Name of ISP program: ISP_T ool_V ...

  • Acer A231H - page 96

    Acer Acer –LCD-A231H Secondly ﹐ download FW software: first select “READ” , and then load FW softw are in Rooter (Fig.2). Thirdly, select “AUTO”, and keep its default value. Click “RUN” for beginning programming. There will be prompting if programming is OK. Note: if programming fails or success ra te is not high, click “Config” ...

  • Acer A231H - page 97

    Acer Acer –LCD-A231H in “I2C Speed Setting”and check Communication Setting. If connect port is print port, please check port type. ...

  • Acer A231H - page 98

    Acer Acer –LCD-A231H 3. Flow Chart 2. SOP of EDID (EDID T OOL: INL PN 799999942000R/ Acer PN 6K.LBQ0J.001) 2.1 Request of hardware and sof tware: 1. Sof tware a.port95nt.exe ...

  • Acer A231H - page 99

    Acer Acer –LCD-A231H b.Edid.exe c.A231H model 2. Hardware a . P C ( wi nXP or win2000 ) 1PCS ; b . T o o l ( EDID Card 、 VGA cable & DVI cable) 2.2 Operational step s: 1. First set up Port95nt.exe ...

  • Acer A231H - page 100

    Acer Acer –LCD-A231H 2. Click next button continua lly then can finish setting. A : USB interface provide +5V DC power ( No Power is ok ) B : Connect DDC Card and PC with collateral interface ; C :VGA 、 DVI use different cable to link DDC and PC ...

  • Acer A231H - page 101

    Acer Acer –LCD-A231H EDID ISP Card: A : Collateral printing inte rface (connect with PC) B : VGA interface (one VGA connect with PC to provide signal for m onitor the other one connect with PC VGA interface to write VGA EDID, Writ e EDID can without providing signal) C : DVI interface (connect with Monitor) 3. Write EDID Process : 3.1 Choose ...

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    Acer Acer –LCD-A231H A231H ...

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    Acer Acer –LCD-A231H 3.2 Cloose the Model in main menu, and the p assword is 1234. A231H ...

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    Acer Acer –LCD-A231H 3.3 Choose the model, A231H_A(Up dat e VGA) ,A231H_D(Up date DVI) . A231H A 231H _ D A231H_A ...

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    Acer Acer –LCD-A231H 3.4 Input S/N in the Blan k , eg:ETLA10C1098051 1 1D94023 , the program can write directly . A231H ...

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    Acer Acer –LCD-A231H 3.5 Af ter the process is ok , the pr ogram can check that automatically A231H ...

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    Acer Acer –LCD-A231H 3.6 If write successfully , you can see P ASS in the right A231H A231H ...

Manufacturer Acer Category Car Video System

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Acer A231H by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Acer A231H.

A complete Acer manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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2. Contents - index of all tips concerning the Acer A231H, that we can find in the current document
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4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Acer A231H
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Acer A231H in a specific country, if it was not possible to solve the problem on our own.

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