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Acer X241W 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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Conventions The following conventions are used in this manual: Screen messages Note Warning Caution Important Denotes actual messages that appear on screen Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result 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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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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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.
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.
Monitor Feature LCD Panel Input Display Color Maximum Dot Clock ® Max Resolution Plug & Play EPA ENERGY STAY Audio output Input Connector Input Video Signal Screen Size (Active) Power Source Environmental Considerations Weight (N.W.) Dimension Driving system TFT Color LCD Size 24"...
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Switch External Controls : Regulatory Compliance * Power Switch * MENU / EXIT / Volume / Volume * AUTO / ENTER * Contrast/brightness * Focus * Clock * H.Position * W.Position * Language * OSD Color temperature * OSD Position & Timeout * Auto Config * Input * Information...
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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 Dot clock(MHz) 31.469kHz H-Total ( us ) 31.78(900dots) H-Sync ( us ) 3.813(108dots) H-B-P ( us ) 1.907(54dots) H-Active ( us ) 25.42(720dots)
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MODE NO. RESOLUTION 800 x 600 Dot clock(MHz) 48.077kHz H-Total ( us ) 20.80 (1040dots) H-Sync ( us ) 2.400 ( 120 dots) H-B-P ( us ) 1.280 (64 dots) H-Active ( us ) 16.00 (800 dots) H-F-P ( us ) 1.120 (56 dots) 72Hz (72.188) V-Total (ms )
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MODE NO. RESOLUTION 1280 x 960 Dot clock(MHz) 60.000 KHz H-Total ( us ) 16.667 (1800dots) H-Sync ( us ) 1.037 ( 112 dots) H-B-P ( us ) 2.889 (312 dots) H-Active ( us ) 11.852 (1280 dots) H-F-P ( us ) 0.889 (96 dots) 60.00Hz V-Total (ms )
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MODE NO. RESOLUTION 1680 x 1050 Dot clock(MHz) 146.25 65.29 KHz H-Total ( us ) 15.316 (2240 dots) H-Sync ( us ) 1.203 ( 176 dots) H-B-P ( us ) 1.915 (280 dots) H-Active ( us ) 11.487 (1680 dots) H-F-P ( us ) 0.711 (104 dots) 59.954 Hz...
Monitor Block Diagram Page 4 03. Graphic Inputs RED+ RED- GREEN+ GREEN- BLUE+ BLUE- VGA_SCL VGA_SDA VGA_CAB PROJECT : WDTB PROJECT : Title Title Title 02. Top Level 02. Top Level 02. Top Level Size Size Size Document Number Document Number Document Number WDTB SCHEMATIC1...
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 ○...
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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. Clock: If there are any vertical stripes seen on the background of the screen, this renders them less noticeable by minimizing their size.
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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. OSD Settings: This changes the position of the OSD window on the screen and the staying time.
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Information: This shows information about the screen. Reset: Resets all settings to default levels. Exit: Exit from OSD.
LED Definition The system equips one dual color (blue/amber) led to indict system status and defined as bellows: LED Color Green Amber Dark LOGO: When the monitor is power on, the LOGO will be showed in the center, and disappear slowly. HOW TO OPTIMIZE THE DOS-MODE Plug and play Plug &...
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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).
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. 2.
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ASSEMBLY PROCESS PUT THE PCB SHIELDING ON THE FOAM. INSERT THE M/B CABLE TO THE SINK OF M/B, THEN PUT IT TO THE PRODUCTION LINE CONNECT THE POWER BOARD AND MAIN BOARD AND PUT THE TO SHIELDING SCAN THE FLOW CARD AND POWER BOARD CODE...
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LOCK UP3*PCS SCREW(F3*6-T) WITH POWER BOARD AS LEFT SHOW LOCK UP 1*PCS SCREW(M4.0*8-B) WITH INV/B AS LEFT SHOW PUT THE POWER/MYLAR TO THE SHIELDING LOCK UP 3*PCS SCREW(F3*6T) WITH MAIN BOARD AS LEFT SHOW GET THE INVERTER BOARD / CABLE AND CHECKING INSERT THE CABLE TO THE SINK OF INVERTER BOARD...
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GET THE PLASTIC SCREW AND INSERT IT INTO THE INVERTER BOARD STICK 1*PCS MYLAR ON THE INVERTER BOARD SCAN THE FLOW CARD AND INVERTER BOARD CODE PUT 2*PCS BRACKET TO THE INVERTER BOARD LOCK UP 4*PCS SCREWS( M4.0*6-B) TO THE INVERTER BOARD AS LEFT SHOW MOVE THE INVERTER BOARD TO THE FRONT OF PRODUCTION LINE...
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TEAR OFF THE PLASTIC FILM OF PANEL AND CHECKING WHETHER SCRAPE OR DIRTY STICK GOOEY ON THE PLASTIC FILM FOR FIXING TURN OVER THE LCD AND TEAR OFF THE GOOEY OF CCFT CABLE SCAN THE FLOW CARD THE PANEL CODE STICK 1*PCS FLOW CODE ON THE PANEL AS LEFT SHOW INSERT THE UPSIDE LAMP CABLE TO THE...
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SCAN THE FLOW CARD THE MAIN BOARD CODE INSERT 3*PCS DOWNSIDE LAMP CABLE TO THE INVERTER BOARD PUT THE LEFT BRACKET TO THE INVERTER BOARD LOCK UP 4*PCS(F3*6-T) WITH BRACKET LOCK UP 2*PCS(M3*4-I) WITH THE LEFT BRACKET LOCK UP 2*PCS(M3*4-I) WITH LEFT BRACKET TURN OVER THE LCD...
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GET THE BEZEL AND CHECKING PUT THE BEZEL TO THE PANEL STICK PLASTIC FILM ON THE BEZEL TURN OVER THE LCD...
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LOCK UP 3*PCS SCREWS (M3*4-I) WITH THE RIGHT SIDE BEZEL PUT 1*PCS FASTENER TO THE PANEL BACKSIDE LOCK UP3*PCS SCREWS (M3*4-I) TO THE LEFT SIDE BEZEL INSERT THE LVDS CABLE TO THE SINK OF PUT THE SHIELDING ON THE LCD...
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STICK GOOEY ON THE SINK OF LVDS CABLE LOCK UP4*PCS SCREWS WITH THE SHEILDING AND BRACKET PUT THE FASTENERS TO BOTH SIDES OF LCD LOCK UP 4*PCS(F3*10-B) TO BOTH SIDES FOR FIXING...
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GET BUTTON BOARD AND CABLE AND INSERT THE CABLE TO THE SINK OF BUTTON BOARD PUT THE BUTTON BOARD TO THE BEZEL AND INSERT CABLE TO IT STICK 1*PCS AL FOIL TO THE BRACKET AS LEFT SHOW STICK 1*PCS AL FOIL TO THE SHIELDING AS LEFT SHOW INSERT THE INVERTER BOARD CABLE TO THE POWER BOARD...
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LOCK UP 4*PCS I/O NUT TO THE DOWNSIDE OF VGA STICK 1*PCS AL FOIL ON THE SHIELDING AS LEFT SHOW STICK 1*PCS AL FOIL TO THE BRACKET AS LEFT SHOW STICK 1*PCS AL FOIL TO THE SHIELDING AS LEFT SHOW PUT THE CABLE TO THE FASTENER AND STICK 1*PCS GOOEY ON THE LOCATION AS LEFT SHOW...
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CHECKING THE AL FOIL(5*PCS) WHETHER WRONG MODE AND LOCATION CHECKING THE CABLE WHETHER SETTLED CHECKING THE GOOEY WHETHER UNSTICK OR SETTLED ROCK THE LCD WHETHER ANY DIFFERENT THINGS GET THE REAR COVER AND CHECKING PUT THE REAR COVER TO THE BEZEL STICK 1*PCS GOOEY TO THE REAR COVER AS LEFT SHOW LOCK UP 2*PCS SCREWS TO THE BEZEL AND...
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CHECKING THE TWO SCREWS ON REAR COVER WHETHER SETTLED LOCK UP 4*PCS SCREWS(M4*10-B) TO THE REAR COVER FOR FIXING GET THE BASE AND CHECKING PUT THE BASE TO THE STAND OF REAR COVER PUT THE BAG OF TOOL TO THE BASE STAND UP THE LCD AND PUT OUT THE FOAM...
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TEAR OFF THE PASTIC FILM OF BEZEL AND PANEL AND CHECKING THE GAP WHETHER WRONG CHECKING THE OUTLINE OF LCD WHETHER SCRAPE AND DIRTY CHECKING GAP BETWEEN THE BEZEL AND REAR COVER WHETHER WRONG INSERT THE SIGNAL CABLE AND POWER CORD TO LCD AND SETTLE IT STICK FLOW CARD ON THE BEZEL...
TROUBLE SHOOTING 1. No Power Change Power Board Check Short Of Main Board Change U13,U12 Change X1 or Change U7 or Change U7 RUN Software No Power Check CN7 +12V and +5V Check U13=1.8V U12=3.3V Check X1=14.318MHz Check U8 Pin 1,2,5,6 Clock Check Key Board...
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2. Missing Color Change Cable Change R4,R8,R10,U Change U7 or CN5 Cable or Panel Adjustment R/G/B Color Missing Color Check VGA or DVI Cable Check R4,R8,R10 Check CN5 LVDS Signal Check OSD R/G/B Gain Change Panel...
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3. Always show “NO SIGNEL” Change Cable VGA Check R4,R8,R10,R20, Change VGA Cable or R4, R8,R10,R20, R21 or U7 “NO SIGNEL” Check VGA or DVI Cable Change U7 DVI Check U7 109,110,112,113, 117, 118,120,121 Change DVI Cable or U7...
Connector Information Phone jack stereo PIN1. AC power cord PIN2. Audio cable PIN3. Audio Video signal connector 15P Mini D-Sub connector x 1 Signal Green Blue No Pin Ground Ground Red Ground Green Ground Blue +5 V for DDC Ground Ground SDA (DDC Data) H –...
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Proprietary connecting of DVI box 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 TMDS data0-...
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. - 58 -...
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RUBBER FOOT L7TA GP FBWDTB04012 STANDARD BASE PLATE WDTB GP MF30070FBJ6 SCREW F3.0*7-F(NI)GO MF40160PJ22 SCREW M4.0*16-P(BLACK NI)GP MM4.100B244 SCREW M4.0*10-B BLACK (NYLDK)GP HCWDTB01014 RATING LABEL-EN WDTB GP JXWDTB01014 LCD FILM-EN WDTB GP AAM240M2006 LCD 24'LTM240M2-L02 FOR ACER CON GP NUIT...
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Part list Above picture show the description of the following component Item Picture - 61- Description Part No back cover 25WDTBLC001 bezel 34WDTBLB004 base 38WDTBBS006 stand 37WDTBSU007 screw MM40080BBW1...