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ViewSonic VG1930wm-3 Service Manual

19” color tft lcd display
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Service Manual

ViewSonic VG1930wm-3
Model No. VS11419
19" Color TFT LCD Display
(VG1930wm-3_SM Rev. 1a Jan. 2007)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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Summary of Contents for ViewSonic VG1930wm-3

  • Page 1: Service Manual

    Service Manual ViewSonic VG1930wm-3 Model No. VS11419 19” Color TFT LCD Display (VG1930wm-3_SM Rev. 1a Jan. 2007) 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

    Front Panel Function Control Description Circuit Description Adjusting Procedure Trouble Shooting Flow Chart Block Diagrams Schematic Diagrams PCB Layout Diagrams 10. Exploded Diagram And Spare Parts List 11. Recommended Spare Parts List ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 4: Precautions And Safety Notices

    (11) After installation of the TFT Module into an enclosure (LCD monitor housing, for example), do not twist or bend the TFT Module even momentarily. When designing the enclosure, it should be taken into consideration that no ViewSonic Corporation VG1930wm-3...

  • Page 5: Viewsonic Corporation

    (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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 6 “ MURA “ Do not touch the surface of the polarizer . Take out the monitor by grasping the LCD panel. Take out the monitor form carton. That may cause “ MURA“. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 7 Correct methods : Incorrect Methods : Place the monitor on a clean & soft foam pad . Place the monitor on foreign objects . That could scratch the surface of panel ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 8: Specification

    2. Specification Introductions FEATURES VG1930wm-3 Size 19 “W 300 cd/㎡ Luminance (Typ) Contrast Ratio (Typ) 700:1 TFTLCD PANEL Colors 16.2 M colors Response Time (Typ) 5 ms Viewing Angle (H/V) 150/130(degrees;type)@CR>10 Recommend resolution 1440 X 900 @60Hz Analog (75ohms, 0.7/1.0 Vp-p)
  • Page 9 MIC Cable(1.8m, black) with PC 2001 USB Cable (V2.0) Arabic, English, Finnish, Spanish, ViewSonic CD Wizard German, Italian, Japanese, Swedish, Polish, Korean, Portuguese, Russian, ViewSonic Quick Start Guide Turkish , French, Czech, Hungarian, Simplified Chinese, Traditional Chinese PerfectSuite CD Screen Protector Mylar Foot Protector plastic...
  • Page 10 39 Watts (typ) / 49.2W (max) Power Dissipation 1.5 Arms @ 90VAC, 0.75 Arms @180VAC Max Input AC Current 50 A (max) @ 115VAC Inrush Current (Cold Start) 90 A (max) @ 230VAC ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 11 VESA DPMS Signaling Power Saving Operation(Method) Power Mode Consumption Blue 34W (typ) Power Consumption 36W (max) Active off Amber <2W <1W ON Mode = N/A, ACTIVE OFF < 3 sec Recovery Time ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 12: Timing Table

    75 Hz, 60.3 KHz 　 DMT; 　 　 　 1280 x 960 60 Hz, 59.7 KHz 　 DMT 　 　 　 1280 x 960 75 Hz, 75.2 KHz 　 　 　 　 ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 13 ● The monitor needs to do “Auto Adjust” the first time a new mode is detected (see section “0-Touch™ Function Actions”) ● While running Change Mode, Auto Adjust or Memory Recall, the image shall blank ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 14 10 seconds. If the user then tries to access the OSD by pressing any of the buttons "1", "▼", "▲", "2" a message will appear on the screen for 3 seconds showing "OSD Locked". The OSD lock will be deactivated by pressing the front panel control buttons ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 15 2. For auto input select function, it shall meet the requirement in Appendix D. 3. The OSD should disappear after 10 sec or by pushing button [1] or [2] Resolution Notice function should be disabled when push button [2] under Resolution Notice OSD ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 16 Cable type / length 3.5mm stereo cable / 1.8m length Speakers should be off when the rest of the monitor is in power Audio DPMS saving. * No any sympathetic or abnormal noise allowed. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 17 130 degrees (Typ) / 120 degrees (Min) @ CR>10 On-Off Response Time 10%-90% @ Ta=25°C 5ms (Typ) / 15ms (Max) Mercury 3.0 mg per lamp Panel Defects Please see Panel Quality Specifications. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 18: Front Panel Function Control Description

    Also a shortcut to display the Contrast adjustment control screen. Displays the control screen for the highlighted control. Also toggles between two controls on some screens. Also a shortcut to toggle analog and digital connection. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 19 • 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 VG1930wm-3 Confidential - Do Not Copy...

  • Page 20: Main Menu Controls

    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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 21 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 22 Sharpness adjusts the clarity and focus of the screen image. Setup Menu displays the menu shown below: Language Select allows the user to choose the language used in the menus and control screens. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 23 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 VG1930wm-3 Confidential - Do Not Copy...

  • Page 24: Circuit Description

    The TSUM56AL also incorporates a new Dynamic Frame Rate (DFR) generator for the digital output video to the display panel that preserves the advantages of a fixed output clock rate, while eliminating the output end of frame short-line. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 25: Ddctest For: Viewsonic Vg1930Wm

    Time: 15:51:56 Date: Mon Oct 23, 2006 ______________________________________________________________________ ______________________________________________________________________ VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VG1930wm ______________________________________________________________________ ______________________________________________________________________ EDID Block 0, Bytes 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...
  • Page 26 Not Used (54-71) Detailed Timing / Descriptor Block 1: 1440x900 Pixel Clock: 106.50 MHz Horizontal Image Size: 410 mm Vertical Image Size: 256 mm Refreshed Mode: Non-Interlaced Normal Display - No Stereo Horizontal: ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 27 Max Horiz. Freq - 82 KHz Pixel Clock - 140 MHz Secondary GTF - Not Supported (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VG1930wm (126) No Extension EDID Block(s) (127) CheckSum OK ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 28: Ddctest For: Viewsonic Vg1930Wm

    Time: 15:52:31 Date: Mon Oct 23, 2006 VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VG1930wm EDID Block 0, Bytes 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...

  • Page 29: ______________________________________________________________________

    1440x900 Pixel Clock: 106.50 MHz ______________________________________________________________________ Horizontal Image Size: 410 mm Vertical Image Size: 256 mm Refreshed Mode: Non-Interlaced Normal Display - No Stereo Horizontal: Active Time: 1440 pixels Blanking Time: 464 pixels ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 30: ______________________________________________________________________

    Max Horiz. Freq - 82 KHz Pixel Clock - 140 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VG1930wm (126) No Extension EDID Block(s) (127) CheckSum OK ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 31: Adjusting Procedure

    Full Screen 25% White (Gray) Inspection Item: Particle, Line Defect & Mura 8. 50 Gray Test Signal: 1400*900@60Hz Test Pattern: Full Screen 50% White (Gray) Inspection Item: Bright Dot, Particle, Line Defect & Mura ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 32 Inspection Item: Bright Dot, Partial & Line Defect 14. Gray_Scale_0-100_V64 Test Signal: 1400*900@60Hz Test Pattern: Vertical 64 (256) Gray Scale (Right → Left，From 0 to 100% White) Inspection Item: Line Defect & Function Defect ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 33 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 Figure 2 Figure 1 Figure 3 Figure 4 ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 34 Figure 5 Figure 6 Figure 7 Figure 8 ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 35 If the O.S. was Win2000 or Win XP please have to install Fig1 In order to ensure can execute ISP program, please set BIOS in PC or Notebook as Fig 2 Fig 2 ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 36 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 37 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 38 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 39 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 40 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 41 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 42 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 43 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 44 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. Step 2 Step 1 Step 3 Fig 4.1 ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 45 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 46 5.2 If user uses hardware ISP to read MCU content, it shows as Fig 5.2. Fig 5.2 ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 47 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 48 (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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 49 (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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 50 7.4 The followings show the relationship between the code and the security code ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 51 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 52 1.3 Fold the left bottom of PE bag’s opening mouth to the back of the monitor. (Figure 3) 1.4 Take the left side cushion and fix it onto the left side of the monitor. (Figure 4) Figure 3 Figure 4 ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 53 1.6 Take the left side cushion and fix it onto the left side of the monitor.( Figure 6) Figure 5 Figure6 1.7 Put the monitor into the carton, panel screen should face to carton handle side, as last, close the carton. (Figure 7) Figure 7 ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 54 Monitor Assembly and Disassembly 1 Separate Stand Assy Step 1 : Separate the Stand Cover. Step 2 : Loose the Stand 4 Screws Step 3 : Completed. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 55 Step 2 : Separate the front Bezel hooks to take Bezel and Panel apart. Step 3: Separate the side hooks of Bezel to take Bezel and Rear Cover apart. Step 4 : Completed. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 56 Step 1 : Disassemble 2 screws of bottom of panel and lift up Panel from Rear cover Step 2 : Remove 2 pieces Backlight Wires and A/D Board connect Wire. Step3 : Completed. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 57 Step 1 :` Remove 2 pieces Wires of Power Key Board Step 2 :` Remove connect wire of Power Key Board Step 3 :` Remove Wire of Power Key Board Step4: Completed. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 58 5 Separate Metal Cover Step1:` Loose all Screws of support plate and Metal Cover Step2:` Remove Support plate Step3:` Separate Metal Cover Step4:` Completed. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 59 6 Remove Lips Board And A/D Board Step 1 : Loose 4 Screws of Lips Board Step 2 : Loose 3 Screws of A/D Board Step 3 : Completed ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 60 7 Change Lips Board and A/D Board Step 1 : Place new A/D Board and fasten 4 screws (wihte-Left,red-Right) Step 2 : Assemble Lips Board Step 3 : Completed ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 61 8 Assemble Metal Cover and Support plate Step 1 : Assemble Metal Cover Step 2 : Assemble Support plate Step 3 : Completed ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 62 Insert the wire of Power key Board Step 2: Place new Power key Board on Bezel hooks Step 3: Insert 2 pieces Audio wires of Power Key Board Step 4: Insert connect wire of Power Key Board ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 63 Step5: Insert the connect wire of Key Board Step6: Assemble Key Board of Bezel hooks Step7: Completed ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 64 Step 1 : Insert 1 piece of Backlight wires Step 2 : Insert Wires of A/D Board Step 3 : Insert another piece backlight wire of Lips Board Step 4 : Completed. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 65 Bezel first . Step 2 : Assemble Bezel hooks Bezel and Panel apart. Step 3 : Completed. 12 Assemble Stand and Hinge Cover Step 1 : Assemble Stand ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 66 Step2 : Assemble Hinge Cover Step 3: Completed. ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 67: 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 VG1930wm-3 Confidential - Do Not Copy...
  • Page 68 Check Panel Panel Change Beat Display Shut Down AD/B Change Display Wave Check PCBA LIPS Change CNT/B Change Check Panel Panel Change No Backlight Check LIPS LIPS Change TEST Next Step Completed ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 69 Check LIPS LIPS Change No signal AD/B Change Check PCBA CNT/B Change R.G.B Display Abnormal VGA cable Check Wire Gray Scale DVI cable Display Check Panel Panel Change Abnormal TEST Next Step Completed ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 70 Weak Line Vertical Check Panel Panel Change Band Defect Horizontal Band Defect Power Saving Display Check PCBA AD/B Change Abnormal AD/B Change Peculiar Smell Check PCBA LIPS Change TEST Next Step Complete ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 71 LIPS Change AD/B Change LED Display LIPS Change LED Off Check PCBA Abnormal LED Dark LED/B Change LED Abnormal Check Wire CNT/B Cable LED Loss LED Flicker LIPS Change TEST Next Step Completed ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 72 Voice Loss Loudspeaker CNT/B Change Abnormal LIPS Change Loud Check PCBA Abnormal Check Wire No Voice C/B Cable Change Loudspeaker L/R Same Check Loudspeaker Change Volume Loudspeaker Next Step TEST Noise Completed ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 73 Panel Change Display Flicker AD/B Change 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 Complete ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 74 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 VG1930wm-3 Confidential - Do Not Copy...

  • Page 75: Block Diagrams

    7. Block Diagram VSC VG1930wm-3 A/D Board BLOCK DIAGRAM ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 76: Schematic Diagrams

    0R/NC U_GND 120 OHM BEAD 120 OHM BEAD 10K---4.7K FB11 10K---22K AO3401 U_GND U_GND 4.7K--10K AUDIO_MUTE L0603 --> L0805 MMBT3904L 10uF/16V 0.1uF U_GND U_GND U_GND ViewSonic Corporation Model AUDIO Title Date Rev: ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 77 QTC24CE/4P2R 0 Shell DCLK- 10Ω 1/16W CLK- 7 DVI-I BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF ViewSonic Corporation 3.6V Model INPUT Title Date Rev: ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 78 Modify 20050803: FPC LVDS 100uF/16V/NC 0.1uF VCC3.3 VCC3.3 10K/NC VCC_TEST&ODCTRL VCC_TEST&ODCTRL 7 FOR 19" FSC PANEL 0/NC AGND ViewSonic Corporation VCC_TEST&ODCTRL is used for OVER DRIVE function control. Model PANEL INTERFACE Title Date Rev: ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 79 100uF/16V/NC 0.1uF/NC 03/21 MODIFY L1206 MLB-201209-0220P-N2/NC VCC_3.3 L1206 T0-252 VCC3.3 VCC_PANEL L1206 VOUT VCC3.3 5,7 +12V 0.1uF 1117-33 TC22 L1206 0.1uF 100uF/16V ViewSonic Corporation Model Title POWER (DC TO DC) Date Rev: ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
  • Page 80 3.6V R124 AUTO 0/NC BUZ_ON R122 0/NC AUTO MENU R125 VCC3.3 C_VCC BUZ_ON R123 0/NC C_VCC 0.1uF 0.1uF MUTE VCC5V ENHANCE BUZZER ViewSonic Corporation Swap the pin Model SCALER Title Date Rev: ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 81: Pcb Layout Diagrams

    9. PCB Layout Diagrams ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...
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  • Page 86 ViewSonic Corporation VG1930wm-3 Confidential - Do Not Copy...

  • Page 87: Exploded Diagram And Spare Parts List

    10. Exploded Diagram and Exploded Parts List EXPLODED PARTS LIST (VG1930WM-3) ViewSonic Model Number: VS11419 Rev: 1a Serial No. Prefix: QC6 Item ViewSonic P/N Ref. P/N Description Q'ty C-00008270 151-MF1-KCIEUT9E-1H BEZEL 705-590-G14CH PANEL CB-00008111 631-030-VG1930H LVD LINE HW-00008085 107-005-3082H SCREW...
  • Page 88 PACKING PART LIST ( VG1930WM-3 ) ViewSonic Model Number: VS11419 Rev: 1a Item ViewSonic P/N Ref. P/N Location Q'ty VG1930wm-3 LCD Monitior P-00008272 170-002-19V38H PE Foam Bag P-00008273 160-00L-19A2DH cushion（LEFT） P-00008274 160-00R-19A2DH cushion（Right） 005-001-19A2D-BH Carton 600-181-3400ICH(by bom) Power cord(by bom)

  • Page 89: Recommended Spare Parts List

    Remark 2: 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.

  • Page 90: V Iewsonic Corporation

    BOM LIST (VG1930WM-3) ViewSonic Model Number: VS11419 Rev: 1a Serial No. Prefix: QC6 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty DC-00008223 002-M01-19A2DH 19A2D MENU ASSY for TaiWan Jingpuze RoHS 003-401-19A2DH 19A2D Carton Label 合成紙 76.2*76.2 Sunway RoHS 003-H01-19A2DH 19A2D Small Barcode Label 合成紙...
  • Page 91 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 381-330-032554H NPO 33PF/25V +-5% 0603 SMD RoHS C18,C19 381-681-032554H SMD CC 680pF 25V NP0 0603 RoHS C88,C89 382-222-032564H SMD CC 2200pF/25V X7R 0603. RoHS C1,C13,C14,C15,C16,C17,C22,C23, C24,C25,C26,C27,C28,C29,C30,C31, 385-104-032584H SMD CC Y5V 0.1uF/25V -20%~+80%0603 RoHS...
  • Page 92 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) V iewSonic Corporation VG1930wm-3...

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