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ViewSonic VX2245wm-1 Service Manual

22” color tft lcd display
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Service Manual

ViewSonic VX2245wm-1
Model No. VS11349
22" Color TFT LCD Display
(VX2245wm-1_SM Rev. 1a Oct. 2006)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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Summary of Contents for ViewSonic VX2245wm-1

  • Page 1: Service Manual

    Service Manual ViewSonic VX2245wm-1 Model No. VS11349 22” Color TFT LCD Display (VX2245wm-1_SM Rev. 1a Oct. 2006) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...

  • Page 2: Revision History

    Further, ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes.

  • Page 3: Table Of Contents

    Specification Front Panel Function Control Description Circuit Description Adjustment Procedure Troubleshooting Flow Chart Recommended Spare Parts List Exploded Diagram and Exploded Parts List Block Diagram 10. Schematic Diagrams 11. PCB Layout Diagrams ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

  • Page 4: Precautions And Safety Notices

    (1) Since front polarizer is easily damaged, pay attention not to scratch it. (2) Be sure to turn off power supply when connecting or disconnecting input connector. (3) Wipe off water drops immediately. Long contact with water may cause discoloration or spots. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 5 (14) The LCD module is designed so that the CCFL in it is supplied by a Limited Current Circuit (IEC60950 or UL1950). Do not connect the CCFL to a Hazardous Voltage Circuit ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 6 Take out the monitor by grasping the LCD panel. That may cause “ MURA“. Place the monitor on a clean & soft foam pad . Place the monitor on foreign objects . That could scratch the surface of panel ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

  • Page 7: Specification

    20 % - 85 % Global: CB, MPR II,WEEE,ROHS , ISO13406-2 , Energy Star VSA:UL, cUL, FCC-B, TUV-S, NOM, VSE:TUV/ERGO(covers ISO13406-2&MPR II),CE GOST-R+Hygienic ,SASO , Regulation ENERGY VSI: BSMI, CCC, PSB, C-TICK, MIC VSCN:CCC VX2245wm-1 ViewSonic Corporation Confidential - Do Not Copy...
  • Page 8 Global: CB, WEEE,ROHS VSA:UL, cUL, FCC-B, TUV-S, NOM Certifications VSE:CE ,GOST-R+Hygienic ,SASO VSI:BSMI, CCC, PSB, C-TICK, MIC VSCN:CCC Accessories USB A-B Cable ; 2-in-1 Cable ; Power adaptor ; iPod adapter set VX2245wm-1 ViewSonic Corporation Confidential - Do Not Copy...
  • Page 9 ViewSonic CD Wizard Arabic, English, Finnish, Spanish, German, Italian, Japanese, Swedish, Polish, Korean Portuguese, Russian, French, Simplified ViewSonic Quick Start Guide Chinese, Traditional Chinese, Czech, Hungarian ViewSonic Card-reader driver CD Screen Protector Mylar Portrait CD(Version xxx) Extrme Label (5ms)

  • Page 10: General Specification

    ½ cycle of AC power is randomly missing at nominal input. The power supply shall not produce audible noise that would be Power Supply Acoustics detectable by the user. Audible shall defined to be in VX2245wm-1 ViewSonic Corporation Confidential - Do Not Copy...

  • Page 11: Timing Table

    (Still at the center), And the OSD 720 x 400 @ 85 Hz, 37.9 KHz will be 640x350/640x400/720x400 (primary = 720x400). 720 x 480 @ 60 Hz, 31.5 KHz For Analog sync, the image vertical size image will VX2245wm-1 ViewSonic Corporation Confidential - Do Not Copy...
  • Page 12 *3. The image quality of 85Hz mode might be worse than 75Hz. Primary Presets 1680x1050 @ 60Hz User Presets Number of User Presets (recognized timings) Available: 10 presets total in FIFO configuration VX2245wm-1 ViewSonic Corporation Confidential - Do Not Copy...

  • Page 13: Main Menu Controls

    Audio Adjust Volume*4, Mute*4 Color Adjust SRGB, 9300K,7500K, 6500K(default), 5400,User Color [R, G, B] Information [H Frequency, V Frequency, Resolution, Pixel Clock, Serial Number, Model Number, [“www.ViewSonic.com” ] Manual Image Adjust Horizontal Size* , H/V. Position* , Fine Tune* , Sharpness*...

  • Page 14: Function Descriptions

    3.5mm stereo cable / 1.8m length Cable type / length SPEAKERS STAY OFF WHEN THE REST OF THE MONITOR Audio DPMS IS IN POWER SAVING * No any sympathetic or abnormal noise allowed. VX2245wm-1 ViewSonic Corporation Confidential - Do Not Copy...

  • Page 15: Display Size

    Lv (sRGB) – Condition: 110 nits ≦ Lv (sRGB) ≦ 140 nits Contrast = Default Brightness = Default CCT = sRGB Lv (6500k) – Lv (6500K) / Lv (Max) x 100% > 85% VX2245wm-1 ViewSonic Corporation Confidential - Do Not Copy...
  • Page 16 Preset Color Temperature Each color preset shall be adjustable. Red, Green, and Blue shall Adjustability be individually controlled. * Any gray level and Contrast/Brightness should not get reddish, greenish or bluish. VX2245wm-1 ViewSonic Corporation Confidential - Do Not Copy...

  • Page 17: Front Panel Function Control Description

    Displays the Main Also a shortcut to display Menu or exits the the Contrast adjustment control screen and control screen ( ) / saves adjustments. OptiColor ( ) ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 18 • If necessary, make small adjustments using H. POSITION and V. POSITION until the screen image is completely visible. (The black border around the edge of the screen should barely touch the illuminated “active area” of the LCD display.) ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 19 Enabling this setting allows the LCD display to more accurately display colors the way they were originally intended. Enabling the sRGB setting will cause the Contrast and Brightness adjustments to be disabled. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 20 Preset Timing Mode, colors return to the 6500K factory preset. Information displays the timing mode (video signal input) coming from the graphics card in the computer, the LCD model number, the serial number, and the ViewSonic website URL. See your graphics card’s user guide for ®...
  • Page 21 Scenery optimized for displaying outdoor scenery images. Vivid optimized for color luster and sharpness. These 7 presets are carefully chosen by Viewsonic, but may not suit all users' tastes. In that case, the user can either return to the Standard setting and manually adjust the brightness and contrast as desired.
  • Page 22 OSD Background allows the user to turn the OSD background On or Off. Memory Recall returns the adjustments back to factory settings if the display is operating in a factory Preset Timing Mode listed in the Specifications of this manual. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

  • Page 23: Physical Description

    Physical Description Please refer to the following illustrations to identify the components of the ViewDock. Front View Rear view ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

  • Page 24: Card Reader Installation

    3. After completing installation, connect the ViewDock to your PC's USB port. The card reader is now operational. 4. Each slot of the card reader will be recognized as a Removable Disk and the icon will be shown in "My Computer." ViewSonic Corporation VX2245wm-1...
  • Page 25 4. Wait for a few seconds for the iTunes software to launch. 5. Play your favorite song with iTunes software (for all iPod models) or play music from iPod directly (excluding iPod shuffle.) ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 26 4. In order to obtain the optimum listening environment, please adjust the volume of stereo speakers in the monitor head via the monitor OSD menu to match and balance the subwoofer volume. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

  • Page 27: Circuit Description

    TSMC 0.18um e-FLASH process. Here we use the package of PLCC44/LQFP48 if we would like to have a discrete MCU controller or we make a multi-chip package with our LCD monitor controller to form one chip package to save the cost of package and PCB material. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 28 Time: 13:26:13 Date: Thu Jun 08, 2006 ______________________________________________________________________ ______________________________________________________________________ VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VX2245wm ______________________________________________________________________ ______________________________________________________________________ EDID Block 0, Bytes 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...
  • Page 29 ______________________________________________________________________ (54-71) Detailed Timing / Descriptor Block 1: 1680x1050 Pixel Clock: 146.25 MHz ______________________________________________________________________ Horizontal Image Size: 474 mm Vertical Image Size: 296 mm Refreshed Mode: Non-Interlaced Normal Display - No Stereo ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 30 Max Horiz. Freq - 82 KHz Pixel Clock - 150 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VX2245wm (126) No Extension EDID Block(s) (127) CheckSum OK ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 31 Time: 13:27:26 Date: Thu Jun 08, 2006 ______________________________________________________________________ ______________________________________________________________________ VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VX2245wm ______________________________________________________________________ ______________________________________________________________________ EDID Block 0, Bytes 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...
  • Page 32 ______________________________________________________________________ (54-71) Detailed Timing / Descriptor Block 1: 1680x1050 Pixel Clock: 146.25 MHz ______________________________________________________________________ Horizontal Image Size: 474 mm Vertical Image Size: 296 mm Refreshed Mode: Non-Interlaced Normal Display - No Stereo ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 33 Max Horiz. Freq - 82 KHz Pixel Clock - 150 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VX2245wm (126) No Extension EDID Block(s) (127) CheckSum OK ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

  • Page 34: Adjustment Procedure

    Test Pattern: Checkered Pattern Every One Pixel (50%Green & 50%Blue) Inspection Item: Flicker, Mura 6. Window BG Test Signal: 1280*1024@60Hz Test Pattern: Window standard pattern Inspection Item: Line Defect, Function Defect & Mura ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 35 Inspection Item: Particle, Line Defect, Power, Image Remain & Mura 10. Black Box Test Signal: 1280*1024@60Hz Test Pattern: Window standard pattern Inspection Item: Bright Dot, Line Defect & Power 11. RED Test Signal: 1280*1024@60Hz Test Pattern: ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 36 Full Screen 50% Red Figure 4 Green Full Screen 50% Green Figure 5 Blue Full Screen 50% Blue Figure6 White Full Screen White Figure7 Black_Tile Black Tile Under White Background Figure 8 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 37 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 38 If the O.S. was Win2000 or Win XP please have to install Fig1 PORT95NT.exe In order to ensure can execute ISP program, please set BIOS in PC or Notebook as Fig 2 Fig 2 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 39 2.2 After extracting the zip file, the total files list as Fig 2.2, and double click the file of setup.exe to install. Fig 2.2 2.3 Press “Next＂ button to continue., see Fig 2.3 Fig 2.3 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 40 2.4 Keep default setting or press “Change＂ button for selecting the path that you want , and then press“Next＂button to continue, see Fig 2.4. Fig 2.4 2.5 Press “Install＂ button to continue, see Fig 2.5 Fig 2.5 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 41 2.6 The Installer Information shows package warning, press “Ignore＂ button to continue, see Fig 2.6. Fig 2.6 2.7 Installation has finished, press “Finish＂ button, see Fig 2.7. Fig 2.7 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 42 3.1 After installation, we could find the shortcut in the setting path or the program bar (default setting), see Fig 3.1 Fig 3.1 2.2 Security file is a key to use ISP function, press “確定＂ button, see Fig 3.2. Fig 3.2 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 43 3.3 The warning is used to remind user of that different CPU rate may cause ISP function fail(it is limited by IIC protocol), press “確定＂ button, see Fig 3.3. Fig 3.3 security code. Adjusting bar to decrease speed of IIC bus, see Fig 3.4. 2.4 Press“Create Security File＂ button to key in Fig 3.4 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 44 Command No of security code, see Fig 3.5, and different security code between hardware ISP and software ISP. The security code of software ISP is set by user while coding, but the security code of hardware ISP is set by Myson Century. Fig 3.5 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 45 ISP, it needs Fig 3.6 shows the setting for security code of Command No, and key in command sequentially 94, 94, AC, CA, Fig 3.6 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 46 Command No, and key in command sequentially 7C, 4C, 77. The Command No and command must be set by user while coding. About the detail of setting, please refer to Section 6 Boot code of ISP. Fig 3.7 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 47 4.3 CRC (cyclic redundancy check): the host can check CRC register＇s result instead of reading every byte in flash. The message of Check MCU CRC OK means that the Host verify ok for the progress of program. Fig 4.1 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 48 5.1 Only software ISP could read the MCU content, it is according to program the boot code while coding. The limitation is used for the security of customer＇s code. Select “Read Target＂ item, and press“RUN＂ button, the MCU content will show as Fig 5.1. Fig 5.1 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 49 5.2 If user uses hardware ISP to read MCU content, it shows as Fig 5.2. Fig 5.2 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 50 6 Re-entry the ISP Mode MCU＇ button and enter ISP mode again, you refer the message as below: When you could not select or click ｀Reset ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 51 (1)Disable the ‘Enter ISP Mode’ option to avoid the error message display. (2)If you using the MTV312M64 or before MCU serials, the MCU will always in ‘ISP Mode’even programming fail or erase MCU that instead of select or press ‘Reset MCU’. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 52 (a) Clear watchdog to prevent reset during ISP period (b) Disable all interrupt to prevent CPU wake-up (c) Write ISP slave address (d) Write 93h to ISP enable address to enable ISP (e) Enter 8051 idle mode ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 53 7.4 The followings show the relationship between the code and the security code ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 54 8. ISP Adaptor Schematic 9. Adaptor Linking ISP Adaptor Connect with The Monitor Set PC/HOST Printer Cable 25Pins to 25Pins Connect with VGA Cable 15Pins to 15Pins ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 55 1.3 Put the cushion into the carton then place the monitor on the cushion. (Figure 3) 1.4 Join the cushions to the monitor then place all the accessories into the carton. As last, close the carton and seal it with tape. (Figure 4) Figure 3 Figure 4 ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 56 1 Separate Stand Assy 1 Remove Stand Cover Step 1 : Remove the Stand Covers. Step 2 : Loose and remove 6 screws Step4 : Remove the Stand Assy Step 5 : Completed. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 57 Separate Bezel hooks to take Bezel and Rear Cover apart. Step 1 : Loose and remove 3 screws. Step 2 : Separate Bezel hooks to take Bezel and Rear Cover apart. Step 3 : Remove Rear Cover. Step 4 : Completed. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 58 Remove FFC from OSD Board. Step 2 : Lift up LCD module and remove bezel. Step 3 : Remove 4 pieces of Backlight wires. Step 4 : Loose and remove 4 screws. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 59 Loose and remove 4 screws. Step 7 : Remove the PCBA Cover 3.2 Remove Power Board and AD Board Step 1 : Loose and remove 4 screws. Step 2 : Remove Lips Board ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 60 Step 3 : Remove 2 pieces of FFCs. Step 4 : Remove the FFC. Step 5 : Loose and remove 4 screws. Step 6 : Remove AD PCBA. Step7 : Completed. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 61 And fasten 4 fixed screws. Step 2 : Fasten 4 fixed screws. Step 3 : Insert FFC. Step 4 : Insert 2 pieces of FFCs . Step 5 : Insert new Lips Board. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 62 Step 6 : Fasten 4 fixed screws. Step 7 :Completed. 5. Remove OSD Board Step 1 : Separate both Audio Cable. Step 2 : Take OSD Board apart. Step 3: Completed. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 63 Insert Audio cable to connectors of New OSD Board. Step 3: Completed. 7. Add Cover to AD PCB Heatsink Step 1 : Join the PCB Cover. Step 2 : Fasten 4 fixed screws. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 64 Step 4 : Fasten 4 fixed screws. Step 5 : Insert 4 pieces of Backlight wires. Step 6 : Join LCD module and remove bezel. Step 7 : Insert FFC. Step 8 : Completed. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 65 Step 2 : Fasten 3 fixed screws. Step 3 : Place the Stand Assy. Step 4 : Fasten 6 fixed screws. Step 5 : Join the Stand Covers. Step 6 : Completed. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

  • Page 66: Troubleshooting Flow Chart

    Display Bright Dot Dark Dot Backlight Light Leakage Mura Panel Change Check Panel Image Sticking Brightness spot Particle Dot Defect Image Remain Group Bright Dots Others Cosmetics Defect TEST Next Step Completed ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 67 Check Panel Panel Change Beat Display Shut Down AD/B Change Display Wave Check PCBA Power/B Change CNT/B Change Panel Change Check Panel No Backlight Check Adapter Adapter Change TEST Next Step Completed ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 68 Adapter Change No signal AD/B Change Check PCBA CNT/B Change R.G.B Display Abnormal VGA cable Change Check Wire Gray Scale DVI cable Change Display Panel Change Check Panel Abnormal TEST Next Step Completed ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 69 Vertical Check Panel Panel Change Band Defect Horizontal Band Defect Power Saving Display AD/B Change Check PCBA Abnormal AD/B Change Power/B Change Peculiar Smell Check PCBA Inverter/B Change TEST Next Step Completed ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 70 LED Off Check PCBA Abnormal Inverter/B Change LED Dark OSD/B Change LED Abnormal OSD Cable Change Check Wire LED Loss DC Power CNT Cable Change LED Flicker Adapter Change TEST Next Step Completed ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 71 CNT/B Change Abnormal Power/B Change Loud Check PCBA Inverter/B Change Abnormal OSD/B Change Check Wire No Voice OSD Cable Change Loudspeaker L/R Same Check Loudspeaker Change Volume Loudspeaker Next Step TEST Noise Completed ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 72 Panel Change AD/B Change Display Flicker Check PCBA (tapping ) CNT/B Change Check Panel Panel Change DVI Signal Check PCB AD/B Change Display Abnormal EDID Update Check EDID Code TEST Next Step Completed ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 73 Use OSD Color Menu to adjust color setting. Dark area distorted Use OSD Color Menu to adjust color setting. White color is not white Use OSD Color Menu to adjust color setting. ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

  • Page 74: Recommended Spare Parts List

    All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions. ViewSonic Corporation...
  • Page 75 Cushion, A220Z1-H08, EPS, WHITE, 260 mmx195 mmx590 mm, Li Ta NingBo Ming- 78-D013545 P-00008140 Chan_EPS, EPS foam(Right), Green II Decoration Assy, A220Z1-H08, ABS, Siliver(877C), ViewSonic Display Limited, VSC P/N C- 40-D013544 M-00008031 00006107, Green I Function Cable, E87647 30V, 1Pins-1Pins, ViewSonic Display Limited, VSC P/N C-00006107,...

  • Page 76: Exploded Diagram And Exploded Parts List

    8. Exploded Diagram and Exploded Parts List ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 77 EXPLODED PARTS LIST (VX2245wm-1) ViewSonic Model Number: VS11349 Rev: 1a Serial No. Prefix: QD0 Item ViewSonic P/N Ref. P/N Description Q'ty C-00008143 40-D012466 Cover Hinge,A220Z1-H08,LEFT C-00008142 40-D012465 Cover Hinge,A220Z1-H08,RIGHT 40-D010955 Rear Assy,A220Z1-H05 PM0ZFH0R00 22"Wide,Function BOM,D-sub+DVI+Audio 40-D013832 Bezel Assy,A220Z1-H05 35-D0110238 PCBA_A220Z1-Z01-H-K2...
  • Page 78 PACKING PART LIST (VX2245wm-1 ) ViewSonic Model Number: VS11349 Rev: 1a Item ViewSonic P/N Ref. P/N Location Q'ty P-00008033 78-D009624 PE Foam Bag MM0Z140K01 LCD Monitior P-00008139 78-D013535 Cushion_LEFT(Left) P-00008140 78-D013545 Cushion_LEFT(Right) Different region (refer to BOM) Carton CB-00005678 32F2818011...

  • Page 79: Block Diagram

    9. Block Diagram Speaker OSD Key Pad / Audio Out 3.3V DVI-D Digital Video Main Board LCD Module D-sub Analog Video Signal DC-12V DC-5V LIPS AC Power Backlight Audio In ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

  • Page 80: Schematic Diagrams

    YOUT YOUT V33S RESET_MCU RESET_MCU RESET_MCU DDC_DAT DDC_DAT DDC_DAT DDC_CLK DDC_CLK DDC_CLK BUS_POEWR 02_DVI BUS_POEWR 01_VGA DDC2_SCL DDC2_SCL DDC2_SDA DDC2_SDA V18_ESD V33S CONNECT ViewSonic Corporation VGA_5V Model Title Block diagram Date Rev: ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 81 GND_POWER V18_ESD GND_POWER GND_POWER HSYNC VSYNC VSYNC HSYNC DDC_CLK TP10 TP10 DDC_DAT GND_POWER TP11 TP11 GND_POWER GND_POWER GND_POWER GND_POWER GND_POWER DDC_CLK DDC_DAT DDC_CLK DDC_DAT GND_POWER GND_POWER ViewSonic Corporation Model Title Date Rev: ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 82 DATA2+ DAT2+ DATA2- DAT2- DAT3+ DAT3- DAT4+ DAT4- DAT5+ DAT5- CLK+ clk+ CLK- clk- CLK+ RXCP CLK- RXCN RXCP RXCN GND_POWER BUS_POEWR GND_POWER GND_POWER V33S GND_POWER ViewSonic Corporation Model Title Date Rev: ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 83 DA2/P5.2 DA3/P5.3 DA4/P5.4 DA5/P5.5 P5.6/HSCL2 GND_POWER P5.7/HSDA2 HSCL1/RXD/P3.0 VSYNC HSDA1/TXD/P3.1 P6.7 P6.6/CLKO1 P3.2/INT0 P6.5 P3.3/INT1 P6.4 P3.4/T0 P6.3/AD3 P3.5/T1 P6.2/AD2 P7.6/CLKO2 P6.1/AD1 P7.7 P6.0/AD0 NC/MTV512/RoHS NC/MTV512/RoHS ViewSonic Corporation Model Title Date Rev: ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 84 B_B1N TCON12 B_B0N FR2P B_B1P B_B0P TCON3 FR2N B_B2N B_B1N FR1P B_B1P FR1N B_B2P PWM:230~300Hz(PWM1) INV_ADJ B_B2N FR0P B_B2P FR0N PWM:47KHz(PWM2) VCM_PWM BJT_B BJT_B V18C ViewSonic Corporation Model SCALER Title Date Rev: ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
  • Page 85 LED_GRN FG1N FG1P FG1P FG2N FG2N FG2P FG2P FB0N FB0N FB0P FB0P LED_G FB1N FB1N LED_O FB1P FB1P FB2N ViewSonic Corporation FB2N FB2P FB2P FSTHI FSTHI FSTHI Model GND_POWER Title Date Rev: ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

  • Page 86: Pcb Layout Diagrams

    11. PCB Layout Diagrams ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...
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  • Page 94: Viewsonic Corporation

    Company: Add: Tel: Fax: E-mail: After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. You may also e-mail any suggestions to the Director, Quality Systems & Processes (marc.maupin@viewsonic.com) ViewSonic Corporation VX2245wm-1 Confidential - Do Not Copy...

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