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Acer X241W Service Manual

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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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Summary of Contents for Acer X241W

  • Page 1 All manuals and user guides at all-guides.com 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 -...
  • Page 2 “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.
  • Page 3 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.
  • Page 4 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.
  • Page 5 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.
  • Page 6 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.
  • Page 7 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.

  • Page 8: Table Of Contents

    All manuals and user guides at all-guides.com Table of contents Chapter 1 MONITOR FEATURE ……………………………………………………………..9 Chapter 2 OPERATING INSTRUTION ……………………………………………………..31 Chapter 3 MACHINE ASSEMBLY…………………………………………………………...37 Chapter 4 TROBLE SHOOTING …………………………………………………………….53 Chapter 5 CONNECTOR INFORMATION…………………………………………………..56 Chapter 6 FRU LIST…………………………………………………………………………...58 Chapter 7 SCHEMATIC DIAGRAM …………………………………………………………62 Chapter 8 POWER BOARD INFORMATION..............70 - 8 -...

  • Page 9: Chapter 1 Monitor Feature

    All manuals and user guides at all-guides.com Chapter 1 Monitor Feature Driving system TFT Color LCD Size 24" Pixel pitch 0.27(H) * 0.27(V)mm Viewable angle 178(H) x 178 (V) degree Brightness Sumsungl: 500 cd/m2(typ) Contrast Ratio Sumsung: 1000:1 (typ) LCD Panel Response time 16ms (Tr+Tf) Video...
  • Page 10 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...
  • Page 11 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...
  • Page 12 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)
  • Page 13 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 )
  • Page 14 All manuals and user guides at all-guides.com MODE NO. RESOLUTION 1680 x 1050 848 x 480 1920X1200 Dot clock(MHz) 146.25 33.75 65.29 KHz 31.02 KHz 74.038Khz H-Total ( us ) 15.316 (2240 dots) 32.237 (1088 dots) 13.506 (2080 dots) H-Sync ( us ) 1.203 ( 176 dots) 3.319 (112 dots) 0.208 (32 lines)
  • Page 15 Monitor Block Diagram All manuals and user guides at all-guides.com Page 4 Page 5 Page 6 03. Graphic Inputs ADO_R ADO_R ADO_L ADO_L RED+ MUTE RED+ RED+ MUTE MUTE RED- RED- RED- GREEN+ GREEN+ GREEN+ ADO_C ADO_C GREEN- GREEN- GREEN- BLUE+ Audio BLUE+...
  • Page 16 All manuals and user guides at all-guides.com PCB CONDUCTOR VIEW Main Board - 16 -...
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  • Page 26 All manuals and user guides at all-guides.com Button Board...
  • Page 27 All manuals and user guides at all-guides.com...
  • Page 28 All manuals and user guides at all-guides.com POWER BOARD - 16 -...
  • Page 29 All manuals and user guides at all-guides.com...
  • Page 30 All manuals and user guides at all-guides.com...

  • Page 31: Chapter 2 Operating Instrution

    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...
  • Page 32 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.
  • Page 33 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.
  • Page 34 All manuals and user guides at all-guides.com Information: This shows information about the screen. Reset: Resets all settings to default levels. Exit: Exit from OSD.
  • Page 35 All manuals and user guides at all-guides.com LED Definition The system equips one dual color (blue/amber) led to indict system status and defined as bellows: LED Color System Status Green System in normal operation mode Amber System in power-saving mode Dark System in power-off mode LOGO:...
  • Page 36 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).

  • Page 37: Chapter 3 Machine Assembly

    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.
  • Page 38 All manuals and user guides at all-guides.com Real View: Top View: - 38 -...
  • Page 39 All manuals and user guides at all-guides.com Side View: (unit : mm ) - 39 -...
  • Page 40 All manuals and user guides at all-guides.com 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...
  • Page 41 All manuals and user guides at all-guides.com 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...
  • Page 42 All manuals and user guides at all-guides.com 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...
  • Page 43 All manuals and user guides at all-guides.com 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...
  • Page 44 All manuals and user guides at all-guides.com 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...
  • Page 45 All manuals and user guides at all-guides.com GET THE BEZEL AND CHECKING PUT THE BEZEL TO THE PANEL STICK PLASTIC FILM ON THE BEZEL TURN OVER THE LCD...
  • Page 46 All manuals and user guides at all-guides.com 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...
  • Page 47 All manuals and user guides at all-guides.com 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...
  • Page 48 All manuals and user guides at all-guides.com 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...
  • Page 49 All manuals and user guides at all-guides.com 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...
  • Page 50 All manuals and user guides at all-guides.com 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...
  • Page 51 All manuals and user guides at all-guides.com 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...
  • Page 52 All manuals and user guides at all-guides.com 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...

  • Page 53: Chapter 4 Troble Shooting

    All manuals and user guides at all-guides.com Chapter 4 TROUBLE SHOOTING 1. No Power No Power Change Check CN7 Power Board +12V and +5V Check Short Of Main Board Check U13=1.8V U12=3.3V Change U13,U12 Change X1 or Check X1=14.318MHz Change U7 or Check U8 Pin 1,2,5,6 Clock Change U7...
  • Page 54 All manuals and user guides at all-guides.com 2. Missing Color Missing Color Change Check VGA or Cable DVI Cable Check R4,R8,R10 Change R4,R8,R10,U Check CN5 Change U7 LVDS Signal or CN5 Cable or Panel Adjustment Change Check OSD R/G/B Color Panel R/G/B Gain...
  • Page 55 All manuals and user guides at all-guides.com 3. Always show “NO SIGNEL” “NO SIGNEL” Change Check VGA or Cable DVI Cable DVI Check U7 VGA Check Change U7 R4,R8,R10,R20, 109,110,112,113, 117, 118,120,121 Change VGA Change DVI Cable or R4, R8,R10,R20, Cable or U7 R21 or U7...

  • Page 56: Chapter 5 Connector Information

    All manuals and user guides at all-guides.com Chapter 5 Connector Information Phone jack 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 Signal Green Blue No Pin...
  • Page 57 All manuals and user guides at all-guides.com 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...

  • Page 58: Chapter 6 Fru List

    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 -...
  • Page 59 All manuals and user guides at all-guides.com EXPLODED VIEW...
  • Page 60 All manuals and user guides at all-guides.com PART LIST OF EXPLODED VIEW ITEM PART NUMBER PART DESCRIPTION NUIT ITEM PART NUMBER PART DESCR 21L0TBMB006 L0TB M/B ASSY(GM5861)GP FBWDTB06015 PANEL HOOK W AS05B560004 ADP/INV,EAIP-102AFB,90~264V REV1A GP MF30100B008 SCREW F3.0*1 23L7TBBB001 L7TB BUTTON/B ASSY GP EBWDTB01013 INVERTOR SU EAWDTB01012...
  • Page 61 All manuals and user guides at all-guides.com Part list Above picture show the description of the following component Item Picture Description Part No back cover 25WDTBLC001 bezel 34WDTBLB004 base 38WDTBBS006 stand 37WDTBSU007 screw MM40080BBW1 - 61-...

  • Page 62: Chapter 7 Schematic Diagram

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM WUXGA/UXGA LCD Controller Board Design Genesis 5861 RD1 CONTENTS REVISION HISTORY Date Author Comments SCHEMATIC Name SHEET 2005/11/2 XXXXX Initial Release 01. Cover Page 02. CONTENTS 03. GRAPHIC INPUT 04. FLI5961 05.SDRAM /AMP/ OUTPUT POWER/KEYPAD...
  • Page 63 Modify for EMI 11/08 VGA_+5V All manuals and user guides at all-guides.com AGND AGND AGND 47R 1% 47R 1% 0.1uF 0.1uF BLUE1+ 75R 1% 75R 1% 75R 1% 75R 1% 75R 1% 75R 1% SCL_VGA VGA_cable_detect VS_VGA 75R 1%/NC 75R 1%/NC 0.1uF 0.1uF SOGMCSS1...
  • Page 64 +1.8_DVDD +1.8V_AVDD L1206 L1206 All manuals and user guides at all-guides.com L1206 L1206 47uF/10V 47uF/10V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 47uF/10V 47uF/10V...
  • Page 65 All manuals and user guides at all-guides.com DQ_B_[0..15] DQ_B_[0..15] DQ_A_[0..15] DQ_A_[0..15] A[0..10] A[0..10] +3.3_MEM +3.3_MEM_Q +3.3_MEM +3.3_MEM_Q IC50TSOPII IC50TSOPII IC50TSOPII IC50TSOPII 3904 DQ_A_0 DQ_A_15 DQ_B_0 DQ_B_15 DQ15 DQ15 DQ_A_1 DQ_A_14 DQ_B_1 DQ_B_14 Component DQ14 DQ14 top view VSSQ VSSQ VSSQ VSSQ DQ_A_2 DQ_A_13...
  • Page 66 Change 5V to 3.3V +12V All manuals and user guides at all-guides.com +18V +3.3_DVDD FB32 L1206 FB32 L1206 200UH 200UH C206 C206 SSM54PT SSM54PT 2200pF/6 2200pF/6 C207 C207 R237 R237 R225 R225 0.1uF /6 0.1uF /6 R224 R224 C204 C204 R170 R170 150/1206...
  • Page 67 All manuals and user guides at all-guides.com TOUCH SWITCH 4P TOUCH SWITCH 4P MENU_O MENU TOUCH SWITCH 4P TOUCH SWITCH 4P SEL_O AUTO PWR_O RIGHT_O LEFT_O AMBER_O TOUCH SWITCH 4P TOUCH SWITCH 4P GREEN_O POWER JST 8Pin PH2.0mm H JST 8Pin PH2.0mm H TOUCH SWITCH 4P TOUCH SWITCH 4P RIGHT...
  • Page 68 All manuals and user guides at all-guides.com ON/OFF ON/OFF NDR_B PDR_A PGND LCT DIM LPWM PDR_CNDR_D OZ964S CTMR OVP ENA VDDA GNDA REF CR34 Vadj Vadj CR14 CR15 CR35 CR16 CR20 CR36 R24 C15 CR37 圖號•DWG.No. 名稱•NAME 數Q 日 Felix Liu 設計•DESIGN 日...
  • Page 69 All manuals and user guides at all-guides.com T103 F101 CR101 R105 CR102 R106 C110 C111 C112 C101 CR10 Q105 C108 C109 T101 C105 CR10 Q106 T102 C106 CR10 T104 CR108 CR109 CR11 R100 C100 R101 C102 R102 C103 R103 C104 圖號•DWG.No.

  • Page 70: Chapter 8 Power Board Information

    All manuals and user guides at all-guides.com Power Board Current set Information Power Board AS08B360411 Model Name AS08B360411 AS08B360411 FSP112-3F01(T43) 90~240V NO Jump...