ViewSonic VP2330WB - 23" LCD Monitor Service Manual
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ViewSonic VP2330WB - 23" LCD Monitor Service Manual

ViewSonic VP2330WB - 23" LCD Monitor Service Manual

23” color tft lcd display
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Service Manual

ViewSonic VP2330wb-1
Model No. VS10813-1W
23" Color TFT LCD Display
(VP2330wb_SM Rev. 1a Feb. 2006)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA – (800) 888-8583

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Summary of Contents for ViewSonic VP2330WB - 23" LCD Monitor

  • Page 1: Service Manual

    Service Manual ViewSonic VP2330wb-1 Model No. VS10813-1W 23” Color TFT LCD Display (VP2330wb_SM Rev. 1a Feb. 2006) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA – (800) 888-8583...
  • Page 2 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 VP2330wb Confidential - Do Not Copy...

  • Page 4: Precautions And Safety Notices

    1.0 milliamp. 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 1500 To Metal Parts Earth Ground ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 5 VP20”/21”/23”W series handling Notice Correct Method Incorrect method Correct Method Incorrect method Correct Method Incorrect method ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 6 Correct Method Incorrect method Correct Method Incorrect method ViewSonic Corporation VP2330wb Confidential - Do Not Copy...

  • Page 7: Specification

    1280 x 960, 1280 x 1024, 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 VP2330wb Confidential - Do Not Copy...
  • Page 8 Power Saving Operation(Method) VESA DPMS Signaling On Mode < 81 W (Typ) / 85 W (max) Power Consumption Active Off < 4 W Recovery Time On Mode = N/A, Active Off < 3 sec ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 9 @ 70 Hz, 56.5 KHz „Ï „Ï „Ï „Ï 1024 x 768 @ 72 Hz, 58.1 KHz „Ï „Ï „Ï „Ï 1024 x 768 @ 75 Hz, 60 KHz „Ï „Ï „Ï „Ï ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 10 *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 VP2330wb Confidential - Do Not Copy...
  • Page 11 (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 VP2330wb Confidential - Do Not Copy...

  • Page 12: Front Panel Function Control Description

    3. Front Panel Function Control Description Main Menu with on view Front Control Panel shown below in detail Change the input source, select the highlighted item, display the highlighted item or toggle in different items ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 13 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 14 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 VP2330wb Confidential - Do Not Copy...

  • Page 15: Circuit Description

    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 VP2330wb Confidential - Do Not Copy...
  • Page 16 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 VP2330wb Confidential - Do Not Copy...
  • Page 17 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 VP2330wb Confidential - Do Not Copy...
  • Page 18 5. EDID data Analog VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VP2330wb ______________________________________________________________________ EDID Block 0, Bytes 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...
  • Page 19 1920x1200 Pixel Clock: 154.00 MHz ______________________________________________________________________ Horizontal Image Size: 495 mm Vertical Image Size: 310 mm Refreshed Mode: Non-Interlaced Normal Display - No Stereo Horizontal: Active Time: 1920 pixels Blanking Time: 160 pixels ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 20 Max Horiz. Freq - 82 KHz Pixel Clock - 170 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VP2330wb (126) No Extension EDID Block(s) (127) CheckSum OK ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 21 Digital VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VP2330wb ______________________________________________________________________ EDID Block 0, Bytes 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63 10 | 1C 3C 01 01 01 01 01 0F 01 03...
  • Page 22 Refreshed Mode: Non-Interlaced Normal Display - No Stereo Horizontal: Active Time: 1920 pixels Blanking Time: 160 pixels Sync Offset: 48 pixels Sync Pulse Width: 32 pixels Border: 0 pixels Frequency: 74.04 KHz ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 23 Max Horiz. Freq - 82 KHz Pixel Clock - 170 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VP2330wb (126) Extension EDID Block(s): 1 (127) CheckSum OK ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 24 VIEWSONIC CORPORATION EDID CEA-861B Timing Extension Version 3 ______________________________________________________________________ EDID Block 1, Bytes 128-255 Block Type: CEA EDID Timing Extension ________________________________________ 0 | 02 03 0D 01 48 90 05 04 03 1F 10 | 14 13 12 02 3A 80 18 71 38 2D...
  • Page 25 Refreshed Mode: Non-Interlaced Normal Display - No Stereo Horizontal: Active Time: 720 pixels Blanking Time: 138 pixels Sync Offset: 16 pixels Sync Pulse Width: 62 pixels Border: 0 pixels Frequency: 31.50 KHz ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 26 Sync Offset: 440 pixels Sync Pulse Width: 40 pixels Border: 0 pixels Frequency: 37.50 KHz Vertical: Active Time: 720 lines Blanking Time: 30 lines Sync Offset: 5 lines Sync Pulse Width: 5 lines ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 27 Blanking Time: 49 lines Sync Offset: 5 lines Sync Pulse Width: 5 lines Border: 0 lines Frequency: 50.00 Hz Digital Separate, Horizontal Polarity (-) Vertical Polarity (-) (121-126) No Data: (127) CheckSum OK ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 28 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 LCD panel power1 on / off control Backlight on / off control ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 29 1.8A(MAX) On / Off control Voltage 2.5~5.25 for on , 0~1 for off Output Rated Output Strike-on Voltage 1800Vrms Rated Output Voltage 700~900Vrms Rate Output Frequency 35~80KHz Rated Output Current 5.5~8.0 mA ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 30 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 VP2330wb Confidential - Do Not Copy...

  • Page 31: Adjustment Procedure

    KHz „Ï „Ï „Ï „Ï 800 x 600 35.1 KHz „Ï „Ï „Ï „Ï 800 x 600 37.9 KHz „Ï „Ï „Ï „Ï 800 x 600 48.1 KHz „Ï „Ï „Ï „Ï ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 32 For analog sync, Switch 1400x1050@60Hz and 1680 x 1050 64.7 KHz „Ï „Ï „Ï 1680x1050@60Hz by [1]+[2] short cut key (primery = 1400x1050@60Hz) 1680 x 1050 65.3 KHz „Ï „Ï For Separated and Composite sync, ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 33 ¡´ 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 VP2330wb Confidential - Do Not Copy...
  • Page 34 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 Pattern 1 Pattern2 Pattern 3 Pattern4 ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 35 Pattern 5 Pattern6 Pattern 7 Pattern 8 Pattern 9 ViewSonic Corporation VP2330wb Confidential - Do Not Copy...

  • Page 36: Firmware Update Procedure

    1. Equipment needed : - VP2330wb - 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 VP2330wb Confidential - Do Not Copy...
  • Page 37 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 VP2330wb Confidential - Do Not Copy...
  • Page 38 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 VP2330wb Confidential - Do Not Copy...
  • Page 39 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 VP2330wb Confidential - Do Not Copy...
  • Page 40 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 VP2330wb Confidential - Do Not Copy...
  • Page 41 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 VP2330wb Confidential - Do Not Copy...
  • Page 42 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 VP2330wb Confidential - Do Not Copy...
  • Page 43 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 VP2330wb Confidential - Do Not Copy...
  • Page 44 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 VP2330wb Confidential - Do Not Copy...
  • Page 45 2. Put the monitor on desk & face down 3. Remove the I/O cover 4. Loose the screws & remove the stand 5. Separate the hook by tool (coin or screw-driver) 6.Remove the Back cover & Loose the I/O-nut screw ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 46 10. Loose the shield 9. Pull out the CCFL cables & LVDS & BUTTON/B CABLE 11. Loose the POWER/B & M/B & USB/B screw 12. Move the POWER/B & M/B & USB/B ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 47 13. Loose the bezel 14. Move the BUTTON/B 15. Loose the BKT screw T/B 16.Remove the MYLAR ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 48 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 Users manual VGA & DVI cable Power & USB cable ViewSonic Corporation VP2330wb Confidential - Do Not Copy...

  • Page 49: Troubleshooting Flow Chart

    Monit 6. Troubleshooting Flow Chart Change Check CN7 P Change Check Change Check Change Check 5V,3.3 1.8V Chan ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
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  • Page 51 ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 52 ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
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  • Page 56: 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 57 BOM LIST (VP2330wb-1) ViewSonic Model Number: VS10813-1W Rev: 1a Serial No. Prefix: PU5 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 1LWCVPXVS01 WCVP LCD MONITOR(USA) GP B-00005182 21LAVPMB011 LAVP M/B ASSY(FOR WCVP GM1601H) GP #N/A 31LAVPSS017 LAVP M/B S/S ASSY(FOR WCVP GM1601H) GP...
  • Page 58 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 37WCVPSU009 WCVP STAND SUB ASSY GP #N/A FAWCVP04013 HINGE ASSY WCVP(FAWCVP04,R3A) GP #N/A EALAVP04018 STAND TOP LAVP((EALAVP04,REV3A)GP #N/A EALAVP05014 STAND BOTTOM LAVP((EALAVP05,REV3A)GP #N/A EALAVP06011 HINGE COVER FRONT LAVP(EALAVP06,REV3A)GP #N/A...

  • Page 59: Exploded Diagram And Exploded Parts List

    8. Exploded Diagram and Exploded Parts List ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 60 VP2330wb Cable connection drawing Panel inverter (built-in) ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 61 EXPLODED PARTS LIST (VP2330wb-1) ViewSonic Model Number: VS10813-1W Rev: 1a Serial No. Prefix: PU5 Item ViewSonic P/N Ref. P/N Description Q'ty #N/A FEWCVP01018 BIRD LOGO WCVP(FEWCVP01,REV3A) GP #N/A EAWCVP01014 LCD BEZEL WCVP(EAWCVP01,REV3A) GP #N/A EBLAVP01010 LED LENS LAVP(EBLAVP01,REV3A) #N/A FCWCVP01016...
  • Page 62 PACKING PART LIST (VP2330wb-1) ViewSonic Model Number: VS10813-1W Rev: 1a Serial No. Prefix: PU5 Item ViewSonic P/N Ref. P/N Location Q'ty CB-00004360 DD0M7TPC005 CABLE ASSY M7T MB-VGA GP CB-00004361 DDWCVPDV019 CABLE DVI-I(29/29P,1.8M)WCVP GP A-00005180 AG240500004 ADP 24V 5A ES-120UB B 90~264V GP...

  • Page 63: Block Diagram

    9. Block Diagram DSCL DSDA ASCL ASDA BACKLIGHT BACKLIGHT PANEL ON/OFF BRIGHTNESS ViewSonic Corporation VP2330wb Confidential - Do Not Copy...

  • Page 64: Schematic Diagrams

    DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DVISCL DVI_VS RXC- RX2+ RX2- RX1+ RX1- RX0+ VGA_VS DVISDA DVI_HS RXC+ RX0- 0R(NC) DVI_VS 0R(NC) ViewSonic Corporation Model INPUT Title Date Rev: ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 65 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 VP2330wb Confidential - Do Not Copy...
  • Page 66 17: LOW (8bit bus with OCM access external ROM) OCMADDR16 18: HIGH BGA416-26X26_1_27 INT_OSC 8-BIT_FLASH2 OCMADDR18 19: LOW GM1601 R147 OCMADDR17 8-BIT_FLASH1 BOOTSTRAP HEADER 8-BIT_FLASH3 R148 OCMADDR19 OPEN=1 ViewSonic Corporation SHUNTED=0 Model CONTROLLER Title Date Rev: ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 67 100K MMBT3904L TOP VIEW R177 4.7K BRIGHTNESS +3.3V MTH276D126 MTH276D126 MTH276D126 MTH276D126 RBS31 TOPVIEW AIC1084/TO252 TOP VIEW U19 RBS31 ViewSonic Corporation R179 220R +3.3V SWITCH 5 Model POWER Title AIC1084/TO252 TOP VIEW Date Rev: ViewSonic Corporation VP2330wb Confidential - Do Not Copy...

  • Page 68: Pcb Layout Diagrams

    11. PCB Layout Diagrams 11.1 BOTTOM ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 69 11.2 BK TOP ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 70 11.3 TOP ViewSonic Corporation VP2330wb Confidential - Do Not Copy...
  • Page 71 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 VP2330wb Confidential - Do Not Copy...

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