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Acer X221 Service Manual

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Acer X221W
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
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  Summary of Contents for Acer X221

  • Page 1 Acer X221W 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 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 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 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: Special Notes On Lcd Monitors

    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

    Table of contents Chapter 1 MONITOR FEATURE …………………………………………………………….9 Chapter 2 OPERATING INSTRUTION ……………………………………………………...26 Chapter 3 MACHINE ASSEMBLY……………………………………………………………32 Chapter 4 TROBLE SHOOTING …………………………………………………………….44 Chapter 5 CONNECTOR INFORMATION…………………………………………………..47 Chapter 6 FRU LIST…………………………………………………………………………..49 Chapter 7 SCHEMATIC DIAGRAM …………………………………………………………53 Chapter 8 POWER BOARD INFORMATION ………………………………………………62 - 8 -...
  • Page 9: Chapter 1 Monitor Feature

    Chapter 1 Monitor Feature Driving system TFT Color LCD Size 22" Pixel pitch 0.282(H) * 0.282 (V)mm Viewable angle 160(H) x 170 (V) degree Brightness panel: 300 cd/m2(typ) CHIMEI: 700:1 (typ) Contrast Ratio AUO: 1000:1(typ.) LCD Panel Response time 5ms (Tr+Tf) Video R, G, B Analog, DVI box (optional) Input...
  • Page 10 * 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 * Reset...
  • Page 11 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 31.5 31.469kHz 31.469kHz 35.0kHz 37.861kHz H-Total ( us )
  • Page 12 MODE NO. RESOLUTION 640 x 480 800 x 600 800 x 600 800 x 600 Dot clock(MHz) 31.5 49.5 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) 2.00(72 dots) 3.200 (128 dots)
  • Page 13 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) 1.037 (112 dots) 1.067 (144 dots)
  • Page 14 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 ) 1.252 ( 128 dots) 1.31 ( 112 dots) 1.427 ( 152 dots)
  • Page 15: Monitor Block Diagram

    Monitor Block Diagram LVA0P LVA0P GNDR GNDR LVA0M LVA0M PC5V LVA1P LVA1P GNDG GNDG LVA1M LVA1M LVA2P LVA2P GNDB GNDB LVA2M LVA2M LVACKP LVACKP VCC12 VSYNC VSYNC LVACKM LVACKM PC5V HSYNC HSYNC LVA3P LVA3P LVA3M LVA3M VCC12 LVB0P LVB0P LVB0M LVB0M LVB1P LVB1P...
  • Page 26: Operating Instructions

    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 27 OSD Menu Picture Contrast: This adjusts dark and light shades of color relative to each other to achieve a comfortable contrast. Brightness: This adjusts the brightness of the picture on the screen. Color temp. : There are three ways of adjusting color: Warm (Reddish white) Cool (Bluish white) User : You can adjust the colors red, green and blue to the...
  • Page 28 Option Auto Config. : System runs auto -configuration. nformation: This shows brief information on the screen. Analog Input: Setting Language: Select the OSD menu language from English, French, German, Italian, Spanish, Simplified Chinese, Traditional Chinese, Japanese and Russian. OSD H. Position OSD V.
  • Page 29 R,G,B GAIN: Adjust current RGB Driver value. SPREAD : Adjust chip set internal frequency spread effect for EMI testing . Factory 2 Adjustment: This page only visible in factory mode AUTO BURN: Use the chip set internal pattern for hot running monitor panel and inverter.
  • Page 30: Led Definition

    LED Definition The system equips one dual color (blue/amber) led to indict system status and defined as bellows: LED Color System Status Blue System in normal operation mode Amber System in power-saving mode Dark System in power-off mode 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 &...
  • Page 31 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 32: Chapter 3 Machine Assembly

    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. 2.
  • Page 33 Real View: Top View: - 33 -...
  • Page 34 Side View: ( unit : mm ) - 34 -...
  • Page 35 Assembly process Picture Description CHECKING THE FOAM CUSHION AND PUT IT TO PRODUCTION LINE CHECKING THE PCB SHIELDING AND PUT IT TO PRODUCTION LINE STICK 2*PCS RUBBER ON THE LOCATION OF SHIELDING AS LEFT SHOW PUT 1*PCS FLOW CARD ON THE PRODUCTION LINE CHECKING THE MAIN BOARD WHETHER BAD...
  • Page 36 CHECKING THE POWER BOARD WHETHER BAD SCAN THE CODE OF S/N AND P/B ON FLOW CARD CHANGE THE LAMP CURRENT OF PANEL CONNECT THE CABLE AND POWER/B BY WHITE GOOEY MARK THE APPOINTED LOCATION BY PEN AS LEFT SHOW PUT THE POWER BOARD TO PRODUCTION LINE CONNECT THE MAIN BOARD AND POWER BOARD...
  • Page 37 LOCK UP 2*PCS SCREWS ON THE LOCATION OF MAIN BOARD GET THE MYLAR OF POWER/B AND INSERT IT TO THE SHIELDING LOCK UP 1*PCS SCREWS(M4*8-B) ON THE LOCATION OF POWER BOARD AS LEFT SHOW LOCK UP 3*PCS SCREWS(M3*6-B) ON THE LOCATION OF POWER BOARD AS LEFT SHOW MOVE THE SHIELDING ON FRONT OF POWER BOARD...
  • Page 38 TEAR OFF THE PLASTIC FILM AND CHECKIN IF BE SCRAPED OR DIRTY STICK PLASTIC FILM ON THE PANEL TURN OVER THE PANEL AND TEAR OFF THE PLASTIC FILM TEAR OFF 1*PCS CODE ON THE PANEL FROM FLOW CARD SCAN THE FLOW CARD S/N AND CODE, AND P/N OF PANEL GETTING AND CHECKING THE RIGHT BRACKET WHETHER ANAMORPHIC...
  • Page 39 GET THE LEFT BRACKET AND CHECKIN WHETHER ANAMORPHIC AND RUSTY, THEN STICK 1*PCS FOAM ON THE BULGE PUT THE LEFT BRACKET ON THE RIGHT OF PANEL AND LOCK UP 2*PCS ON THE LOCATION AS LEFT SHOW TURN OVER THE PANEL AND TEAR OFF PLASTIC FILM GET THE BEZEL AND TEAR OFF PACKING, THEN CHECKING...
  • Page 40 LOCK UP3*PCS SCREWS ON THE LOCATION OF THE LEFT OF BEZEL TEAR OFF THE PLASTIC FILM AND RECLAIM STICK 2*PCS RUBBER ON THE LOCATION OF PANEL PUT 2*PCS HOOKS ON THE LOCATION OF BEZEL LOCK UP 2*PCS SCREWS TO HOOKS FOR RIVET BEZEL INSERT THE BUTTON CABLE TO THE JACK OF BUTTON BOARD...
  • Page 41 LOCK UP 2*PCS SCREWS ON THE VGA SINK OF MAIN BOARD LOCK UP 2*PCS SCREWS ON THE DVI SINK OF MAIN BOARD(IF HAVE DVI SINK) INSERT THE UPSIDE LAMP CABLE INSERT THE DOWNSIDE LAMP CABLE CHECKING THE LAMP CABLE WHETHER ANY MISS WITH INSTRUMENTS STICK 1*PCS AL FOIL(50*70) TO THE PANEL AND SHIELDING FOR...
  • Page 42 CHECKING THE COLLOID OF OUTSIDE OF LCD WHETHER FIRMED CHECKING THE CABLE OF BUTTON/B AND SPEAKER & LAMP CABLE WHETHER SETTLED FIRMED THE AL FOIL TURN OVER LCD AND CHECKIN WHETHER ANY DIRTY CHECKING THE REAR COVER AND PUT IT TO THE BEZEL STICK 1*PCS OF CODE ON THE LOCATION OF REAR COVER FROM FLOW CARD AS LEFT SHOW...
  • Page 43 CHECKING THE SCREWS OF REAR COVER WHETHER UNLOCKED PUT THE STAND TO THE LOCATION OF REAR COVER LOCK UP 4*PCS ON SCREWS ON THE STAND FOR RIVETING INSERT THE VGA SIGNAL CABLE TO THE SINK OF LCD PUT THE BASE ON THE STAND OF STAND UP THE LCD INSERT THE POWER CABLE TO THE POWER SINK AND TURN ON IT...
  • Page 44: Trouble Shooting

    Chapter 4 Trouble Shooting 1. No Power No Power Change Check CN1 Power Board +12V and +5V Check Short Of Main Board Check D1=1.8V U1 out=3.3V Change Q3,D1,U1,D2 Change X1 Check X1=14.318MHz Change U5 or Check U5 Pin 42,43 Clock Change U5 RUN Software Check U6...
  • Page 45 2. Missing Color Missing Color Change Check VGA Cable Cable Check R27,R29,R31 Change R1,R5,R10, Check CN2 Change U4 LVDS Signal or CN2 Cable or Panel Adjustment Change Check OSD R/G/B Color Panel R/G/B Gain...
  • Page 46 3. Always show “NO SIGNEL” “NO SIGNEL” Change Check VGA Cable Cable VGA Check Change U4 C23,C24,R44,R4 Change R42,R43,FB1,R 44,R45 C23,C24...
  • Page 47: Chapter 5 Connector Information

    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 Ground DB15HD Ground Red Ground Green Ground Blue +5 V for DDC...
  • Page 48 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-...
  • Page 49: 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. - 49 -...
  • Page 51 EAWBTB03028 BEZEL_E_X WBTD DD0L9ELC030 CABLE LVDS MM30030IBJ4 SCREW M3*3-I-NI FCWBTB01019 MYLAR POWER WBTB AAM220EW000 LCD(TFT) 22'' M220EW01 V0 FOR ACER CON GP MM30060BBJ3 SCREW M3.0*6, B(NI) GP FAWBTB02013 LCD BKT-L WBTB MM40080BBW1 SCREW M4.0*8.0-B(NI, WAHSER) FCL7TA01018 SHIELDING MYLAR L7TA AS05B5E0408...
  • Page 52 Part list Above picture show the description of the following component. Picture Description Part No. Item Back Cover 25L7TBLC000 Stand 26L7TBSA001 Bezel 34L7TBLB002 Base 38L9TBBS000 Screw MM40080BBW1 - 52 -...
  • Page 53: Chapter 7 Schematic Diagram

    Chapter 7 SCHEMATIC DIAGRAM WBTD-D MSTAR MB RSDS/LVDS CONTENTS SCHEMATIC SHEET cover POWER VGA AND TMDS INPUT SCALAR TSUMU58WHJ Panel interface of of Audio CONTENT...
  • Page 54 CONN 4x2-R VCC12 VCC12 VCTRL 0/1206 47/6 VCC1.8 VCC3.3 VCC3.3 4.7uF/16V VCC1.8 10K/6 SSM12LL 1K/6 2SB1132PT on_BACKLIGHT 4 2K/6 10K/6 MMST3906 VCC3.3 0.1uF/6/NC 1N4148 10K/6 VCC3.3 1K/6 100/6 0/6 5% VCC3.3 1uF/8/NC 2N3904 2.2K/6 Adj_BACKLIGHT 4 SOT-89 PC5V PC5V U3-A1 3,4,5 VOUT ADJ/GND...
  • Page 55 56/6 1% 30/6 bead 47nF/6 56/6 1% 30/6 bead 47nF/6 56/6 1% 30/6 bead 47nF/6 470/6 1n/6 PC5V 75/6 1% 100/6 1% 47nF/6 GNDR 100/6 1% 47nF/6 GNDG 100/6 1% 47nF/6 GNDB BAV99/NC BAV99/NC BAV99/NC ESD_5V C20 0.1uF/6/NC C21 0.1uF/6/NC 0.1uF/6/NC 100/6/NC PC5V...
  • Page 56 MEMPLL_33 VDDP_33 AVDD_33 AVDD_18 VDDC_18 VCC3.3 VCC3.3 VCTRL VCTRL VDDP_33 100/6/NC RIN0P VCC3.3 100/6/NC CX201209813/8 GNDR RIN0M LVA4P GIN0P LVA4M GNDG GIN0M LVA3P LVA3P SOGIN0 LVA3M LVA3M JWT-A2001WV2-04/NC LVACKP BIN0P LVACKP GNDB LVACKM BIN0M LVACKM HSYNC HSYNC0 LVA2P LVA2P VCC1.8 VDDC_18 VSYNC VSYNC0...
  • Page 57 LVB0M RXO0- RXO0+ LVB0P LVB0P LVB0M LVB1M RXO1- RXO1+ LVB1P LVB1P LVB1M LVB2M RXO2- RXO2+ LVB2P LVB2P LVB2M VCC12 VPANEL LVBCKM RXOC- RXOC+ LVBCKP LVBCKP LVBCKM LVB3M RXO3- RXO3+ LVB3P LVB3P LVB3M LVA0M RXE0- RXE0+ LVA0P LVA0P VCC12 2,6 LVA0M LVA1M RXE1- RXE1+...
  • Page 58 +12V_A +12V_A VCC12 1K/6 10K/6 10K/6 VOLU VCC12 CX201209813/8 2K/6 VOLUME 2N3904 +12V_A CX201209813/8 AGND 0.1uF/6 330U/16V AUDIO-IN AGND AL3 CX201209813/8 L_LINE Z0415 100/6 LIN_PC 1uF/8 SPKOUTL OUTL 330U/16V R_LINE Z0416 100/6 RIN_PC 1uF/8 VAROUT_L ACN1 ZD005D100 AL4 CX201209813/8 CX201209813/8 VOLU VOLUME CX201209813/8...
  • Page 59: Key Board

    TOUCH SWITCH 4P MENU_O MENU TOUCH SWITCH 4P SEL_O AUTO PWR_O RIGHT_O LEFT_O AMBER_O TOUCH SWITCH 4P GREEN_O POWER JST 8Pin PH2.0mm H TOUCH SWITCH 4P RIGHT TOUCH SWITCH 4P LEFT LD1 LED Dual AMBER GREEN LD2 LED Dual Title Key Board Size Document Number...
  • Page 60 ON/OFF IC_VCC IC_VCC DBRT ENSYNC ABRT OUTL DBRT VCCL OUTR COMP VCCR JP10 IC_VCC TILE: FSP055-2PI02(INVERTER) 3BS0137110GP P/N: size: A3 rev: 1.00 DESIGNER: Alex_Lu Date: 24-May-2006 PCB File: 55-2PI2A0.PCB Sheet File: \\Jean\OPEN FRAME\FSP055\55-2PI02( ¹F¸Î )\55-2PI2A0\55-2PI2A0.ddb - Documents\5 ½u¸ô¹Ï ªí³æ½s¸¹ :7000P-0106...
  • Page 61 F101 CN100 LF102 TH101 C260 SW101 LF101 INVERTER R260 BD101 R101 F260 C263 C261 R112 T101 +12V C114 R102 +12V/0.8A 9.10 C264 ZD260 R262 D260 R264 R113 CY102 CY104 D110 R123 R122 R121 R120 D240 L240 F240 U101 +5V/2.5A R124 Ilimit Drain R241...
  • Page 62 Chapter 8 Power board Current set information Lamp Current Model Name AAM220EW000 7.0mA LCD(TFT)22'' M220EW01 V0 AAO220Z1008 7.0mA LCD(TFT)22'' M220Z1-L01 AAO220Z1016 7.0mA LCD(TFT)22'' M220Z1-L01 When the lamp current value is 7.0MA, the jumper should be done as the picture left show.

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