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All manuals and user guides at all-guides.com Acer AL2023W Service Guide Service guide files and updates are available on the CSD web: for more information, Please refer to http://csd.acer.com.tw/ 100% Recycled Paper - 1 -...
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“as is ”. Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, of its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
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All manuals and user guides at all-guides.com Conventions The following conventions are used in this manual: Denotes actual messages that appear on Screen messages screen Gives bits and pieces of additional information Note related to the current topic. Alerts you to any damage that might result Warning from doing or not doing specific actions.
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DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and Service of customer machines.
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All manuals and user guides at all-guides.com WARNING: (FOR FCC CERTIFIED MODELS) NOTE: this equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
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All manuals and user guides at all-guides.com PRECAUTIONS Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, Swimming pool or in a wet basement. Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance.
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All manuals and user guides at all-guides.com SPECIAL NOTES ON LCD MONITORS The following symptoms are normal with LCD monitor and do not indicate a problem. NOTES Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the Power Switch and then turn it on again to make sure the flicker disappears.
All manuals and user guides at all-guides.com Chapter 1 Monitor Feature Driving system TFT Color LCD Size 20"W Pixel pitch 0.258(H) * 0.258 (V)mm Viewable angle 80/80/80/80 degree Brightness panel: 300 cd/m2(typ) Contrast Ratio 1000:1 (typ.);800:1(min.) LCD Panel Response time 5ms (Tr+Tf) Video R,G,B Analog, DVI box (optional)
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All manuals and user guides at all-guides.com * Power Switch * MENU / EXIT / Volume / Volume * AUTO / ENTER Switch * Contrast/brightness * Focus * Clock * H.Position * W.Position * Language * OSD Color temperature * OSD Position & Timeout * Auto Config * Input * Information...
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All manuals and user guides at all-guides.com Timings The product has 34 memory modes in total. 26 modes are preset and 8 modes are user definable. MODE NO. RESOLUTION 720 x 400 640 x 480 640x480 640 x 480 Dot clock(MHz) 28.321 25.175 30.24...
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All manuals and user guides at all-guides.com MODE NO. RESOLUTION 640 x 480 800 x 600 800 x 600 800 x 600 31.5 49.5 Dot clock(MHz) 37.500kHz 35.16kHz 37.879kHz 46.875kHz H-Total ( us ) 26.667(840 dots) 28.44(1024 dots) 26.40 (1056 dots) 21.333 (1056dots) H-Sync ( us ) 2.032 (64 dots)
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All manuals and user guides at all-guides.com MODE NO. RESOLUTION 800 x 600 832 x 624 1024 x 768 1024 x 768 Dot clock(MHz) 57.283 48.077kHz 49.72kHz 48.363kHz 56.48kHz H-Total ( us ) 20.80 (1040dots) 20.11(1152 dots) 20.677(1344 dots) 17.71(1328 dots) H-Sync ( us ) 2.400 ( 120 dots) 1.12(64 dots)
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All manuals and user guides at all-guides.com MODE NO. RESOLUTION 1024 x 768 1280 x 1024 1280 x 1024 1152 x 864 Dot clock(MHz) 78.75 60.02kHz 63.981kHz 79.976KHz 67.5 KHz H-Total ( us ) 16.66(1312 dots) 15.630 (1688 dots) 12.504 (1688 dots) 14.815(1600 dots) H-Sync ( us ) 1.22 (96 dots)
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All manuals and user guides at all-guides.com MODE NO. RESOLUTION 1280 x 960 1600 x 1200 1280 x 720 1280 x 768 Dot clock(MHz) 74.481 79.5 60.000 KHz 75.000 KHz 44.760KHz 47.776KHz H-Total ( us ) 16.667 (1800dots) 13.333 (2160 dots) 22.341 (1664dots) 20.931 (1664dots) H-Sync ( us )
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All manuals and user guides at all-guides.com MODE NO. RESOLUTION 1280 x 768 1360 x 768 1440 x 900 1440 x 900 Dot clock(MHz) 102.25 85.5 106.5 136.75 60.289KHz 47.712KHz 55.935KHz 70.635KHz H-Total ( us ) 16.587 (1696dots) 20.959 (1792dots) 17.878 (1904dots) 14.157 (1936dots) H-Sync ( us )
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All manuals and user guides at all-guides.com MODE NO. RESOLUTION 1680 x 1050 848 x 480 Dot clock(MHz) 146.25 33.75 65.29 KHz 31.02 KHz H-Total ( us ) 15.316 (2240 dots) 32.237 (1088 dots) H-Sync ( us ) 1.203 ( 176 dots) 3.319 (112 dots) H-B-P ( us ) 1.915 (280 dots)
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All manuals and user guides at all-guides.com Monitor block diagram Main Board LVA0P LVA0P GNDR GNDR LVA0M LVA0M PC5V LVA1P LVA1P GNDG GNDG LVA1M LVA1M LVA2P LVA2P GNDB GNDB LVA2M LVA2M LVACKP LVAC VSYNC VSYNC LVACKM LVAC PC5V HSYNC HSYNC LVA3P LVA3P LVA3M...
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All manuals and user guides at all-guides.com PCB LAYOUT Main Board - 19 -...
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All manuals and user guides at all-guides.com Chapter 2 OPERATING INSTRUCTIONS Front Panel Definition This Section defines the front panel User Interface for Led Indictor and Key function. Key Definition: There are five keys defined in this system and described bellows. * Adjusting display settings External Controls Power on/off...
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All manuals and user guides at all-guides.com OSD menu Contrast: This adjusts dark and light shades of color relative to each other. Brightness: This adjusts the brightness of the picture on the screen. Focus: This removes any horizontal distortion and makes the picture clear and sharp.
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All manuals and user guides at all-guides.com Language for Asia: Select the OSD menu language. Select from English, German, Spanish, Simplified Chinese, Traditional Chinese, French, Italian, and Japanese. Language for EMEA: Select the OSD menu language. Select from English, German, Spanish, Russia, Nederlands, French, Italian, and Finnish.
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All manuals and user guides at all-guides.com Information: This shows information about the screen. This page only be visible in factory mode R,G,B OFFSET : Adjust current RGB cut off level R,G,B GAIN : Adjust current RGB Driver value. SPREAD : Adjust chip set internal frequency spread effect for EMI testing.
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All manuals and user guides at all-guides.com Acer e -Color management Brightness Contrast User Text Standard Graphics Movie Uživatelský Filmový Textový Standardní Grafický režim režim režim režim režim...
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All manuals and user guides at all-guides.com LED Definition The system equips one dual color (green/amber) led to indict system status and defined as bellows : LED Color System Status System in normal operation mode Green Amber System in power-saving mode Dark System in power-off mode LOGO :...
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All manuals and user guides at all-guides.com THIS MONITOR WILL APPEAR TO BE NON-FUNCTIONAL IF THERE IS NO VIDEO INPUT SIGNAL. IN ORDER FOR THIS MONITOR TO OPERATE PROPERLY, THERE MUST BE A VIDEO INPUT SIGNAL. This monitor meets the Green monitor standards as set by the Video Electronics Standards Association(VESA) and/or the United States Environmental Protection Agency (EPA) and The Swedish Confederation Employees (NUTEK).
All manuals and user guides at all-guides.com Chapter 3 Machine assembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance and trouble shooting 1. The screws for the different components vary in size. During the disassembly process, group the NOTE : screws with the corresponding to avoid mismatch when putting back the components.
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All manuals and user guides at all-guides.com Real View: Top View: - 32 -...
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All manuals and user guides at all-guides.com Side View: (unit : mm ) - 33 -...
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All manuals and user guides at all-guides.com Assembly process PICTURE DESCRIPTION CHECKING THE FOAM CUSHION AND PUT IT TO THE PRODUCTION LINE CHECKING THE SHIELDING AND PUT IT TO THE PRODUCTION LINE PUT 1*PCS FLOW CARD TO PRODUCTION LINE GET THE MAIN BOARD AND CHECKING CHECKING THE LVDS CABLE AND INSERT IT TO THE SINK OF MAIN BOARD CHECKING THE BUTTON BOARD CABLE AND...
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All manuals and user guides at all-guides.com CHECKING THE POWER BOARD AND SCAN THE S/N AND P/B OF FLOW CODE. CHANGE THE JUMPER NUMBER OF P/B ACCORDING PANEL CONNECT THE P/B AND JUMPER CABLE WITH COLLOID MARK THE LOCATION AS LEFT SHOW WITH COLOR PEN PUT THE P/B TO THE PRODUCTION LINE GET THE SPEAKER AND CHECKING...
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All manuals and user guides at all-guides.com LOCK UP 3*PCS SCREWS TO THE LOCATION OF MAIN BOARD LOCK UP 1*PCS SCREW(M4*8-B) TO THE LOCATION OF POWER BOARD LOCK UP 3*PCS SCREWS TO THE LOCATION OF POWER BOARD AS LEFT SHOW GET THE MYLAR OF P/B AND INSERT IT TO THE SHIELDING OF P/B TEAR OFF THE PACKING OF PANEL...
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All manuals and user guides at all-guides.com TEAR OFF THE PROTECT FILM OF PANEL AND CHECKING WHETHER DIRTY AND SCRAPE STICK PROTECT FILM TO PANEL TURN OFF IT AND TEAR OFF PLASTIC FILM PUT 1*PCS FLOW CODE TO THE PANEL SCAN THE FLOW CODE, S/N CODE AND PANEL GET THE RIGHT BRACKET AND CHECKING PUT THE RIGHT BRACKET TO THE LEFTSIDE...
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All manuals and user guides at all-guides.com GET THE LEFT BRACKET AND PUT IT THE RIGHTSIDE, LOCK UP 2*PCS SCREWS TO FIX IT TURN OVER IT AND TEAR OFF THE PROTECT FILM GET THE BEZEL AND CHECKING PUT THE BEZEL TO THE PANEL STICK PROTECT FILM TO THE BEZEL TURN OVER IT SCAN THE S/N CODE AND MAIN BOARD CODE...
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All manuals and user guides at all-guides.com LOCK UP 3*PCS SCREWS TO FIX THE LEFTSIDE OF BEZEL TEAR OFF THE PROTECT FILM AND RECLAIM PUT THE SHIELDING TO THE LEFT AND RIGHT BRACKETS INSERT THE LCD CABLE TO THE SINK OF PANEL STICK 1*PCS ADHESIVE TAPE ON THE LCD CABLE...
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All manuals and user guides at all-guides.com PUT THE LEFT AND RIGHT SPEAKERS TO THE LOCATION OF BEZEL INSERT THE BUTTON BOARD CABLE TO THE JACK OF B/B GET THE CARD OF B/B AND STICK 1*PCS ADHESIVE TAPE CHECKING THE SPEAKER LOCK UP 2*PCS SCREWS TO FIX THE RIGHT SPEAKER LOCK UP 2*PCS SCREWS TO FIX THE LEFT...
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All manuals and user guides at all-guides.com INSERT THE UPSIDE LAMP CABLE INSERT THE DOWNSIDE LAMP CABLE CHECKING THE LAMP CABLE WHETHER SETTLED WITH THE TOOLS STICK 2*PCS AL FOIL(50*40) BETWEEN THE PANEL AND SHIELDING SETTLED THE AL FOIL BY HANDS CHECKING THE AL FOIL AND ADHESIVE TAPE WHETHER SETTLED CHECKING THE B/B AND SPEAKER CABLE...
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All manuals and user guides at all-guides.com CHECKING THE REAR COVER PUT THE REAR COVER TO THE BEZEL STICK 1*PCS FLOW CARD TO THE LOCATION OF REAR COVER CHECKING THE REAR COVER WHETHER SETTLED LOCK UP 2*PCS SCREWS TO FIX THE REAR COVER GET THE STAND NECK AND PUT IT TO THE PRODUCTION LINE...
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All manuals and user guides at all-guides.com CHECING THE SCREWS ON THE REAR COVER WHETHER UNLOCKED PUT THE STAND NECK TO THE LOCATION OF REAR COVER LOCK UP 4*PCS SCREWS ON THE STAND NECK INSERT THE VGA SIGNAL CABLE TO THE SINK OF LCD GET THE BASE AND PUT IT TO THE STAND NECK...
All manuals and user guides at all-guides.com Chapter 4 TROUBLE SHOOTING This chapter provides trouble shooting information for AL2023W 1. No Power No Power Check CN1 Change +12V and +5V Power Board Check Short Of Main Board Check D1=1.8V U1 out=3.3V...
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All manuals and user guides at all-guides.com 2. Missing Color Missing Color Change Check VGA Cable Cable Check R15,R18,R23 Change R15,R18,R23 Check CN5 Change U4 or CN2 Cable LVDS Signal or Panel Adjustment Check OSD Change R/G/B Color R/G/B Gain Panel - 45 -...
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All manuals and user guides at all-guides.com 3. Always show “NO SIGNEL” “NO SIGNEL” Change Check VGA Cable Cable VGA Check Change U4 C23,C24,R26,R2 Change R25,R27,L8,R26 ,R28 C23,C24 - 46 -...
All manuals and user guides at all-guides.com Chapter 5 Connector Information Phonejack stereo PIN1. AC power cord : CEE22 typed connector PIN2. Audio cable PIN3. Audio : Line-in receptacle Video signal connector 15P Mini D-Sub connector x 1 DB15HD SIGNAL MNEMO Red Video Green Video...
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All manuals and user guides at all-guides.com DVI-D connector The PIN assignment of the 24 pin DVI-D connector / cable is as follows: Signal TMDS data2- TMDS data2+ TMDS data2 shield DDC clock DDC data Not connected TMDS data1- TMDS data1+ TMDS data1 shield Ground (return for +5 V and H/V sync) Hot plug detect...
Acer office to order FRU parts repair and service of customer machines. NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how best to dispose it, or follow the rules set by your regional Acer office on how to return it.
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All manuals and user guides at all-guides.com Part Number of Exploded View Item Part Number Part Description Q'TY Item Part Number Part Descripti EAW0TB01011 LCD BEZEL W0TB-S W0TB DDL0TDBU000 CABLE MB-B MM30030IBJ4 SCREW M3*3-I-NI FAW0TB01011 LCD BKT-L W AAM201EW121 LCD (TFT)20*M201EW02 V8 DDM0TWLC010 CABLE LVDS FAW0TB02018...
All manuals and user guides at all-guides.com Power Board Information Panel P/N Description Current Ty AAM201EW121 LCD(TFT)20" M201EW02 V8 FOR ACER CON GP P/B P/N Description AS05B312426 ADP/INV,FSP055-2PI02(90-264V,6.~7.5MA)GP When the lam current value 7.5mA, the j should be do picture left s...