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ViewSonic VP2030b-1 Service Manual

20" color tft lcd display
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Service Manual

ViewSonic VP2030b-1
Model No. VS10772
20" Color TFT LCD Display
(VP2030b-1_SM Rev. 1a Dec. 2005)
ViewSonic® 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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Summary of Contents for ViewSonic VP2030b-1

  • Page 1: Service Manual

    Service Manual ViewSonic VP2030b-1 Model No. VS10772 20” Color TFT LCD Display (VP2030b-1_SM Rev. 1a Dec. 2005) 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

    4. Circuit Description 5. Adjusting Procedure 6. Trouble Shooting Flow Chart 7. Recommended Spare Parts List 8. Exploded View And Exploded Parts List 9. Block Diagram 10. Schematic Diagrams 11. PCB Layout Diagrams Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 4: Precautions And Safety Notices

    In the case of a measurement exceeding the 1.0 milliamp value, a rework is required to eliminate the chance of a shock hazard . AC VOLTMETER 0.15u To Metal Parts Earth Ground 1500 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 5 Only touch the metal-frame of the panel or the front cover of Surface of the panel is pressed by fingers & this may cause the monitor . Do not touch the surface of the polarizer . “ MURA “ Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 6 This may cause “ MURA“. 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 Confidential - Do Not Copy VP2030b-1...

  • Page 7: Specification

    720, 1280 x 768, 1280 x 960, 1280 x 1024, Resolution Compatibility 1360 x 768, 1400 x 1050, 1440 x 900, 1600 x 1200, 1680 x 1050, 1920 x 1080, 1920 x 1200 Exclusions Not compatible with interlaced video Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 8 Power Saving Operation(Method) VESA DPMS Signaling On Mode < 52 W (Typ) / 56 W (max) Power Consumption Active Off < 3 W Recovery Time On Mode = N/A, Active Off < 8 sec Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 9 ü ü ü 720 x 400 For Separated Sync, Switch @ 85 Hz, 37.9 KHz ü ü ü ü 720 x 400 640x400@85Hz and 720x400@85Hz by [1]+[2] short cut key (primary = Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 10 @ 75 Hz, 75.2 KHz ü ü ü ü 1280 x 960 @ 85 Hz, 85.9 KHz ü ü ü ü 1280 x 960 1280 x 1024 @ 50 Hz, 52.7 KHz ü ü ü ü Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 11 *2. Any timing not in the list, it should display as normal or show on “OUT OF RANGE” OSD message without blanking. *3. The image quality of 85Hz mode might be worse than 75Hz. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 12 (1) The lower right side of ID label. (see Figure 2) (2) The lower right side of UPC label. (see Figure 3) (3) The F/W version sticker or silkscreen on main board. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 13: Front Panel Function Control Description

    3. Front Panel Function Control Description Main Menu with on view Front Control Panel shown below in detail Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 14: Main Menu Controls

    ViewSonic VP2030 Main Menu Controls Adjust the menu items shown below by using the up and down buttons. A. Auto Image Adjust automatically sizes, centers, and fine tunes the video signal to eliminate waviness and distortion. Press the [2] button to obtain a sharper image.
  • Page 15 OSD Position allows you to move the on-screen display menus and control screens. H. Memory Recall returns adjustments to the original factory settings if the display is operating in a factory Preset Timing Mode listed in this user guide. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 16: Circuit Description

    MNEMONIC SIGNAL Red Video DB15HD Green Video Blue Video None Ground (DDC return) Red GND Green GND Blue GND +5V (for DDC) Sync GND None DDC Data Horizontal Sync Vertical Sync DDC Clock Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 17 Logic Ground RXC+ TMDS positive differential input, reference clock RXC- TMDS negative differential input, reference clock Red Video for DVI-A only Green Video for DVI-A only BlueVideo for DVI-A only Horizontal Sync Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 18 < 3Watts Amber <3Watts 3.3 Acceptable timing If the timing is within following specification, this LCD display can automatically function with a certain position. Horizontal: Sync frequency: 24~92 kHz Vertical: Sync frequency: 50~85Hz Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 19 Analog video input: 75 ohm Digital video input: 100 ohm Sync input: > 1 k ohm 4. SIGNAL CABLE: Signal cable with Mini D-Sub 15P connectors at both ends. Length: 1.8 meter. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 20 Maximum Vertical Image Size __________________ = 310 mm (23) Display Gamma ________________________________ = 2.20 (24) Power Management and Supported Feature(s): Active Off/Very Low Power, Standard Default Color Space, Preferred Timing Mode Display Type = R/G/B Color Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 21 Refreshed Mode: Non-Interlaced Normal Display - No Stereo Horizontal: Active Time: 1600 pixels Blanking Time: 560 pixels Sync Offset: 64 pixels Sync Pulse Width: 192 pixels Border: 0 pixels Frequency: 75.00 KHz Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 22 Max Horiz. Freq - 92 KHz Pixel Clock - 170 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VP2030 SERIES (126) No Extension EDID Block(s) Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 23 Red X - 0.648 Green X - 0.289 Blue X - 0.143 White X - 0.313 Red Y - 0.339 Green Y - 0.598 Blue Y - 0.078 White Y - 0.329 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 24 Active Time: 1600 pixels Blanking Time: 560 pixels Sync Offset: 64 pixels Sync Pulse Width: 192 pixels Border: 0 pixels Frequency: 75.00 KHz Vertical: Active Time: 1200 lines Blanking Time: 50 lines Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 25 Max Horiz. Freq - 92 KHz Pixel Clock - 170 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VP2030 SERIES (126) No Extension EDID Block(s) (127) CheckSum OK Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 26 It programs the Gm1601 and manages other devices in the system such as the keypad Pin number Pin Number Usage AE24 Key / Power on ,off NV_RAM (U4) SDA NV_RAM (U4) SCL AF24 Key_down AF26 Key_right AF25 Key_up AE25 Key_left AD24 Key_select LED_red LED_green Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 27 This is a general purpose AC / DC adapter which converts 90~240 Vac to a stabilized DC voltage: 12 Volts, with a rated output current of 2.4A. The electrical specification is described below. Rated Input Voltage 90~240 Vac , 50 / 60Hz Operation Input Voltage 90~260 Vac , 47 ~ 63Hz Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 28 6.5 DDC/CI: VP2030B monitor can use Perfect Suit offer DDC/CI function, make use of Perfect Suit sofeware to substitute OSD function even more , for instance ,the adjustment of the color temperature, adjustment of the luminance ,the more special one is the rotation of the screen. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 29: Adjusting Procedure

    ü ü ü 12 720 x 400 @ 70 Hz, 31.5 For Separated Sync, Switch KHz ü ü ü ü 13 720 x 400 @ 85 Hz, 37.9 640x400@85Hz and 720x400@85Hz by Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 30 40 1280 x 960 @ 60 Hz, 59.7 KHz ü ü ü ü 41 1280 x 960 @ 75 Hz, 75.2 KHz ü ü ü ü 42 1280 x 960 @ 85 Hz, 85.9 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 31 *2. Any timing not in the list, it should display as normal or show on “OUT OF RANGE” OSD message without blanking. *3. The image quality of 85Hz mode might be worse than 75Hz. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 32 Pattern 6 ratio, and check for bright pixel defects Full black Full black Pattern 7 5-cycle pattern 5-cycle pattern Check the BU Pattern 8 1-dot pattern 1-dot pattern Check the flicker Pattern 9 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 33 Pattern 1 Pattern2 Pattern 3 Pattern4 Pattern 5 Pattern6 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 34 Pattern 7 Pattern 8 Pattern 9 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 35: Osd Function Menu

    Press the [2] button to select the currently highlighted item. Press the [1] button to exit the currently highlighted item. 6) User Color Item Press the [2] button to enter the user color page. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 36 Press the [2] button to enter the sharpness adjustment page. Press the [1] button to exit the page. Press “[▲]” Button to increase image sharpness. Press “[▼]“ Button to decrease image sharpness. (8) Setup Menu Page: Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 37 Press the [1] button to exit the page. Enable, Disable Option Press the [▲] button to highlight the previous option or the [▼] button to highlight the next option. Press the [2] button to select the highlighted option. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 38 Press the [▲] button to increase the brightness. Press the [▼] button to decrease the brightness. Press the [2] button to enter the contrast adjustment page. Press the [1] button to exit the page. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 39 Press “[▲]” Button to increase image sharpness. Press “[▼]“ Button to decrease image sharpness. (7) Setup Menu Page: Press the [2] button to enter the setup menu page. Press the [1] button to exit the page. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 40 Press the [▲] button to highlight the previous option or the [▼] button to highlight the next option. Press the [2] button to select the highlighted option. Press the [1] button to exit the page. Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 41 [2] button to enter Burn Mode. When Installing a New Main Board 1. Enter Factory Mode. 2. Use a PC or chrom to send a 32-tone gray scale signal to the monitor. 3. Select “Auto Color” Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 42: Firmware Update Procedure

    1. Equipment needed : - VP2030 - PC ( Personal computer ) - USB (A Male to B Male) cable - Genesis firmware update board - 9-Male to 9-Female serial cable - VGA cable Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 43 In order to ensure can execute ISP program, please connect the USB to RS232 cable and set it as COM 1 in control panel if your PC does not have COM port Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 44 0.1 Double-click the “ GProbe5.0.exe” in Windows & install the program. , see Fig 0.1 Fig 0.1 0.2 Keep on press “ Next “ 4 times to go through the installation processes, see Fig. 0.2 Fig. 0.2 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 45 0.3 Check the “I accept the agreement” then press “ Next “ , see Fig. 0.3 Fig. 0.3 0.4 Keep on press “ Next “ , see Fig. 0.4 Fig. 0.4 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 46 0.5 Keep on press “ Next “ , see Fig. 0.5 Fig. 0.5 0.6 Click “Next” to start the installation. See Fig 0.6 Fig. 0.6 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 47 0.7 If you see this message, click “Yes”. See Fig 0.7. Fig. 0.7 0.8 If you see the Fig 0.8, click “Finich” button to restart the system. Fig. 0.8 0.9 Installation is completed Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 48 1.1 After installation , we could find the shortcut in the setting path or the program bar ( default setting ) , see Fig 1.1 Fig. 1.1 1.2 Move your mouse cursor to GProbe 5 and click it. You will see the Fig. 1.2 Fig. 1.2 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 49 1.5 Set the monitor to Factory Mode by pressing “2” and “Power” at the same time. 1.6 Click the right-lower terminal window and type “batch d(or other drive letter):\ISP\isp.txt” in the upper blank area then click “Execute” button. See the Fig 1.3. Fig. 1.3 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 50 1.7 After click the “Execute” button, you will see the terminal information in Fig. 1.4 . When the message “Batch: command successful” is shown, the flash progress is completed. Fig. 1.4 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 51 VP2030b-1 / VP2030b-1H series de-assembling procedure 1. Move the monitor our from carton 2. Put the monitor on desk & face down 3. Remove the VESA cover 4. Loose the screws & remove the stand 5. Separate the hook by tool (coin or screw-driver) 6.
  • Page 52 8. Tear off the yellow tape &Pull out the CCFL cables 7. Loose the SHIELDING SCREW INVERTER/B 9. Loose the screw 10. Loose the SHIELDING SCREW 11. Tear off the yellow tape &Pull out the LVDS CABLE 12.Remove the shielding Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 53 15. Loose the bezel 16.Remove the Button/B 17. Loose the shield 18. Remove the PCBA & mylar IO-NUT 20. Take out PCBA & remove the cables 19. Loose the SCREW Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 54 BKT-T/B SCREW BKT-R/L SCREW 19. Loose the Loose the Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 55 3. Put on the end-cap left / right 4. Put the monitor into carton Face-up 5. Put all accessories into carton 6. Seal the monitor handler Power cable Users manual VGA & DVI cable Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 56: Trouble Shooting Flow Chart

    6.1 Monitor Cann't Boot-up Monitor Cann't Boot- Check Power Board Change Power Board CN7 PIN 1,2 Change Key Button Check Key Bottom Check Crystal Change Crystal Check M/B Change M/B 5V,3.3V.2.5V 1.8V Change M/B Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 57 6.2 Black Screen Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 58 6.3 No Signal Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 59 6.4 No Signal In DVI-D Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 60 6.5 No Signal In DVI_A Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 61 6.6 U.S.B doesn't Work Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 62 6.7 OSD Pivot doesn't Work Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 63: 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 64 BOM LIST (VP2030b-1) ViewSonic Model Number: VS10772-1W Rev: 1a Serial No. Prefix: PSB Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 1L0VPZXVS07 L0VP LCD MONITOR(USA,VP2030) GP B-00004349 21LAVPMB003 LAVP M/B ASSY(GM1601-LF-CF) GP #N/A 31LAVPSS009 LAVP M/B S/S ASSY(GM1601-LF-CF) GP...
  • Page 65 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty CB-00004361 DDWCVPDV019 CABLE DVI-I(29/29P,1.8M)WCVP GP #N/A HBL0VP01017 END CAP(L) L0VP(HBL0VP01,REV3A)GP #N/A HBL0VP02013 END CAP(R) L0VP(HBL0VP02,REV3A)GP M-LB-0813-0747 HCL7V004013 CORE LABEL(HCL7V004,REV3A) #N/A HCL0VP01018 ID LABEL L0VP(HCL0VP01,REV3A)GP M-LB-0813-0745 HCL7V002011 SERIAL LEBAL L7V(HCL7V002,REV3A) GP...

  • Page 66: Exploded View And Exploded Parts List

    8. Exploded View And Wxploded Parts List Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 67: Main Board

    Cable connection diagram PANEL LVDS Main board To panel Inv./B Power board USB board FFC cable Button board Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 68 EXPLODED PARTS LIST (VP2130b-1) ViewSonic Model Number: VS10773-1W Rev: 1a Serial No. Prefix: PSD Item ViewSonic P/N Ref. P/N Description Q'ty #N/A 34LAVPLB001E LAVP BEZEL SUB ASSY #N/A EALAVP01019 LCD BEZEL L0VP #N/A ECL0VP01011 CONTROL BUTTON LAVP #N/A EBLAVP01010 LED LENS LAVP...
  • Page 69 PACKING PART LIST ( VP2130b-1 ) ViewSonic Model Number: VS10773-1W Rev: 1b Serial No. Prefix: PSD Item ViewSonic P/N Ref. P/N Description Q'ty CB-00004361 DDWCVPDV019 DVI cable A-PC-0106-0224 DM333181G97 POWER CORD 3P 1.8M CB-00004360 DD0M7TPC005 VGA CABLE P-00004159 HAL0T002019 PE bag...

  • Page 70: Block Diagram

    9. Block Dragram Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 71: Schematic Diagrams

    10. Schematic Diagrams Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 72 DAN217K/NC DAN217K/NC DAN217K/NC DVI_GREEN+ DVI_BLUE+ DVI_RED+ AVS 5 DVI-I C212 74LCX14MX/NC 74LCX14MX/NC 74HCT4053 R187 510R A/D_SEL 100K R183 VGA_HS 0R(NC) ViewSonic Corporation DVI_HS 0R(NC) DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC INPUT DVISDA DVISCL DVI_HS...
  • Page 73 R145 Serial_Interface_Debug2 R201 OCMADDR14 14: LOW R146 0R(NC) Serial_Interface_Debug3 R202 OCMADDR15 15: LOW 16: HIGH (use crystal) ViewSonic Corporation 17: LOW (8bit bus with OCM access external ROM) OCMADDR16 INT_OSC 18: HIGH BGA416-26X26_1_27 OCMADDR18 8-BIT_FLASH2 19: LOW GM1601 OCMADDR17 8-BIT_FLASH1...
  • Page 74 140R DQ27 FSDATA28 DQ28 Place R602 termination close to FSDATA29 DQ29 FSDATA30 corresponding U600 Pins DQ30 FSDATA31 DQ31 +2.5V_DDR +2.5V_DDR R150 FSVREF FSVREF2 FSVREF2 CX000800000 R151 ViewSonic Corporation Model Title Date Rev: Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 75 MMBT3904L TOP VIEW R177 4.7K BRIGHTNESS +3.3V MTH276D126 MTH276D126 MTH276D126 MTH276D126 RBS31 TOPVIEW AIC1084/TO252 TOP VIEW U19 RBS31 R179 220R ViewSonic Corporation +3.3V SWITCH 5 POWER Model Title AIC1084/TO252 TOP VIEW Date Rev: Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...

  • Page 76: Pcb Layout Diagrams

    11. PCB Layout Diagrams Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 77 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 78 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 79 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 80 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 81 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 82 Viewsonic Corporation Confidential - Do Not Copy VP2030b-1...
  • Page 83 Company: Add.: Fax: Tel: 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 Confidential - Do Not Copy...

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