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ViewSonic VX2835wm-1 Lcd Display

28” wide color tft lcd display vs11531
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Service Manual

ViewSonic VX2835wm-1
Model No. VS11531
28" wide Color TFT LCD Display
(VX2835wm-1_SM Rev. 1b Jun.2007)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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Summary of Contents for ViewSonic VX2835wm-1

  • Page 1: Service Manual

    Service Manual ViewSonic VX2835wm-1 Model No. VS11531 28” wide Color TFT LCD Display (VX2835wm-1_SM Rev. 1b Jun.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

    6. Trouble Shooting Flow Chart .................... 62 7. Block Diagrams ........................ 68 8. Schematic Diagrams ......................69 9. PCB Layout Diagrams ...................... 81 10. Exploded Diagram And Spare Parts List................ 90 11. Recommended Spare Parts List ..................92 ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 4: Precautions And Safety Notices

    CFL Reflector edge softly. Otherwise the TFT Module may be damaged. (10) At the insertion or removal of the Signal Interface Connector, be sure not to rotate nor tilt ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 5 Source, or be applied exemption. (14) The LCD module is designed so that the CFL in it is supplied by Limited Current Circuit Do not connect the CFL in Hazardous Voltage Circuit. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 6 Remember the position of the left and right poly foams to avoid any problem when packing them. When removing the LCD monitor, make sure that you are holding from the back side of the LCD monitor and not the front side of the LCD monitor. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 7 LCD screen. It is not advisable to wear any jewelry like rings, bracelet or watch to avoid any scratch on the LCD screen, or casing when doing the service. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 8: Specification

    Humidity (%) 10 % - 80 % Global: CB, TCO06,WEEE,ROHS VSA:UL, cUL, FCC-B, IRAM, NOM, Energy Star, ICES-003 VSE:,NEMKO/ERGO, CE Regulation GOST-R+Hygienic ,SASO , ENERGY, UkrSEPRO VSI: BSMI, PSB, C-TICK, EK, VCCI, VSCN:CCC ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 9 Arabic, English, Finnish, Spanish, German, Italian, Japanese, ViewSonic CD Wizard Swedish, Polish, Korean, Portuguese, Russian, French, Simplified Chinese, Traditional Chinese, Czech, Hungarian, ViewSonic Quick Start Guide Greek, Dutch, Turkish Screen Protector Mylar Extrme Label (?ms) Service Insert (new version)

  • Page 10: General Specification

    576i / 576p @ 50Hz Video timing support 480i / 480p @ 60Hz 576i / 576p @ 50Hz (HDMI / YPbPr) 720p @ 50/60Hz 1080i / 1080p @ 50/60Hz Resolution Compatibility 640x350 640x400 640x480 720x400 ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 11 Power Supply Cold Start input voltage, input frequency, and operating temperature Shall be able to withstand an ANSI/IEEE C62.41-1980 6000V 200 ampere ring Power Supply Transient Immunity wave transient test with no damage ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 12 Saving Mode < 2 W@230VAC 50Hz Off Mode < 1 W @230VAC 50Hz (DC Power Off; Meet to Energy Star Ver4.0 Tier2) Recovery Time On Mode = N/A, Active Off < 3 sec ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 13: Timing Table

    For Composite and SOG, the image vertical size image will be not full screen (Still at the center), And the 640 x 400 @ 85 Hz, 38 KHz OSD will be 640x350/640x400/720x400 (promary= 640x400). ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 14 24 1024 x 768 @ 70 Hz, 57 KHz 25 1024 x 768 @ 72 Hz, 58 KHz 26 1024 x 768 @ 75 Hz, 60 KHz 27 1024 x 768 @ 75 Hz, 60 KHz ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 15 1680x1050@60Hz by [1]+[2] short 1050 cut key (primary = 1400x1050@60Hz) For Separated and Composite sync, 1400 x Switch 1400x1050@60Hz and @ 60 Hz, 65 KHz 1050 1680x1050@60Hz by [1]+[2] short cut key (primary = ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 16 @ 50 Hz 576p @ 60 Hz Unable Test 720p @ 50 Hz 720p @ 60 Hz 1080i @ 50 Hz 1080i @ 60 Hz 1080p @ 50 Hz 1080p @ 60 Hz ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 17 Nature -> Reddish -> yellowish [2] + [▼] DDC/CI ON/Off (ON:DDC/CI ; Off:DDC/2B) [▼] +[▲] + [ ] Factory Mode Remark : All the short cuts function are only available while OSD off ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 18: Main Menu Controls

    The audio functions should be transfer to HDMI type from mini phone jack type (or RCA type) when work under HDMI mode with audio input [Remark] Please refer to the detail in the Appendix C ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 19 Resolution Notice Actions 1. Resolution Notice OSD should show on screen after changing to non-native mode for 30 sec 2. The OSD should disappear after 10 sec or by pressing button [1] or [2] ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 20 Input Priority This function is defined the auto detect priority when the display has several inputs. Please refer to the detail flow chart as the appendix D ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 21 Speakers stay off when the rest of the monitor is in power saving Audio DPMS Note: There is no guarantee <1 W at power consumption in Active Off mode, when the Audio Cable is connected ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 22 Minimum: 150 Typical = 5ms (on/off) / 3ms (G to G) Response Time Maxmum = 10 ms (on/off) / 7ms (G to G) 10%-90% @ Ta=25°C Panel Defects Please see Panel Quality Specifications. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 23: Ddctest For: Viewsonic Vx2835Wm

    Time: 14:26:31 Date: Wed Jan 17, 2007 ______________________________________________________________________ ______________________________________________________________________ VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VX2835wm ______________________________________________________________________ ______________________________________________________________________ EDID Block 0, Bytes 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...

  • Page 24: ______________________________________________________________________

    1280 X 960 @60Hz 1152 X 864 @75Hz ______________________________________________________________________ (54-71) Detailed Timing / Descriptor Block 1: 1920x1200 Pixel Clock: 154.00 MHz ______________________________________________________________________ Horizontal Image Size: 593 mm Vertical Image Size: 371 mm ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 25: ______________________________________________________________________

    Max Horiz. Freq - 82 KHz Pixel Clock - 170 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VX2835wm (126) No Extension EDID Block(s) (127) CheckSum OK ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 26: Ddctest For: Viewsonic Vx2835Wm

    Time: 16:22:30 Date: Wed Jan 17, 2007 ______________________________________________________________________ ______________________________________________________________________ VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VX2835wm ______________________________________________________________________ ______________________________________________________________________ EDID Block 0, Bytes 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...

  • Page 27: ______________________________________________________________________

    (54-71) Detailed Timing / Descriptor Block 1: 1920x1200 Pixel Clock: 154.00 MHz ______________________________________________________________________ Horizontal Image Size: 593 mm Vertical Image Size: 371 mm Refreshed Mode: Non-Interlaced Normal Display - No Stereo Horizontal: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 28: ______________________________________________________________________

    Max Horiz. Freq - 82 KHz Pixel Clock - 170 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VX2835wm (126) Extension EDID Block(s): 1 (127) CheckSum OK ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 29: ______________________________________________________________________

    Time: 16:22:30 Date: Wed Jan 17, 2007 ______________________________________________________________________ ______________________________________________________________________ VIEWSONIC CORPORATION EDID CEA-861B Timing Extension Version 3 ______________________________________________________________________ ______________________________________________________________________ EDID Block 1, Bytes 128-255 Block Type: CEA EDID Timing Extension ________________________________________ 0 | 02 03 19 F1 46 90 04 05 07 03...

  • Page 30: ______________________________________________________________________

    (61-78) Detailed Timing / Descriptor Block 3: 720x480p Pixel Clock: 27.00 MHz ______________________________________________________________________ Horizontal Image Size: 593 mm Vertical Image Size: 371 mm Refreshed Mode: Non-Interlaced Normal Display - No Stereo Horizontal: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 31: ______________________________________________________________________

    Sync Pulse Width: 5 lines Border: 0 lines Frequency: 60.00 Hz Digital Separate, Horizontal Polarity (+) Vertical Polarity (+) ______________________________________________________________________ (97-114) Detailed Timing / Descriptor Block 5: No Data: (115-126) No Data: (127) CheckSum OK ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 32: Ddctest For: Viewsonic Vx2835Wm

    Time: 17:19:17 Date: Wed Jan 17, 2007 ______________________________________________________________________ VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VX2835wm ______________________________________________________________________ EDID Block 0, Bytes 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...

  • Page 33: ______________________________________________________________________

    Horizontal Image Size: 593 mm Vertical Image Size: 371 mm 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 ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 34: ______________________________________________________________________

    Max Horiz. Freq - 82 KHz Pixel Clock - 170 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VX2835wm (126) Extension EDID Block(s): 1 (127) CheckSum OK ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 35: ______________________________________________________________________

    Time: 17:19:17 Date: Wed Jan 17, 2007 ______________________________________________________________________ ______________________________________________________________________ VIEWSONIC CORPORATION EDID CEA-861B Timing Extension Version 3 ______________________________________________________________________ ______________________________________________________________________ EDID Block 1, Bytes 128-255 Block Type: CEA EDID Timing Extension ________________________________________ 0 | 02 03 1A F1 47 9F 14 13 12 1E...

  • Page 36: ______________________________________________________________________

    (62-79) Detailed Timing / Descriptor Block 3: 1280x720p Pixel Clock: 74.25 MHz ______________________________________________________________________ Horizontal Image Size: 593 mm Vertical Image Size: 371 mm Refreshed Mode: Non-Interlaced Normal Display - No Stereo Horizontal: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 37: ______________________________________________________________________

    Sync Pulse Width: 5 lines Border: 0 lines Frequency: 50.00 Hz Digital Separate, Horizontal Polarity (-) Vertical Polarity (-) ______________________________________________________________________ (98-115) Detailed Timing / Descriptor Block 5: No Data: (116-126) No Data: (127) CheckSum OK ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 38: Front Panel Function Control Description

    Input Select : toggles between inputs if you have more than one computer connected to the VX2835wm. Please press the power on/off key to restart monitor when changing the HDMI input device. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 39 User Color mode which allows independent adjustment of red (R), green (G), and blue (B). The factory setting for this product is 6500K. 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. ViewSonic Corporation VX2835wm-1...
  • Page 40 The Input signal has been checked Go to Disconnect process (ne t page) Input signal Go to next input Update the Last Active Input (flag A) [Do not update the Last Active Input Display ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 41: Setup Menu

    Over 5 sec ? Update the Last Active Input “NO SIGNAL” Power saving Display Display Setup Menu:: Language Select: allows the user to choose the language used in the menus and control screens. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 42 OSD Timeout: To set the displaying time of OSD menu in the screen. Memory Recall: Restore default settings of Clock, H./V. Position, Phase, Contrast, Brightness, Color temperature, OSD position, OSD timeout and Sharpness, Volume. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 43: Circuit Description

    Saving Mode < 2 W@230VAC 50Hz Off Mode < 1 W @230VAC 50Hz (DC Power Off; Meet to Energy Star Ver4.0 Tier2) Recovery Time On Mode = N/A, Active Off < 3 sec ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 44: Adjusting Procedure

    16. 1024 x 768 @ 72Hz, 58.1kHz 17. 1024 x 768 @ 75Hz, 60.0kHz 18. 1024 x 768 @ 85Hz, 68.67kHz 19. 1280 x 1024 @ 60Hz, 63.4kHz 20. 1280 x 1024 @ 75Hz, 79.97kHz ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 45 The screen must have the pure white and Figure 9 Pattern black pattern, no other color. Fine Line Morie Pattern (Figure1) Gray Scale Pattern (Figure2) Horizontal & Vertical Thickness Pattern (Figure 3) R. Color Pattern (Figure 4) ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 46 G. Color Pattern (Figure5) B. Color Pattern (Figure 6) Full White Patter (Figure 7) Dark Screen Pattern (Figure 8) Black-White Pattern (Figure 9) ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 47 (b) Then, select and enter “Horizontal Size” or “Horizontal/Vertical Position” function to adjust the video boundary to be full scanned and within screen frame. 5.3.7 White Balance Test Signal: 1280*1024@60Hz Test Pattern: White and Black Pattern ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 48 But we still have to check with the general test pattern to make sure every secondary is compliant with the specification. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 49 Turn off the monitor by pressing “Power” button. 5.4 Firmware Upgrade Procedure 5.4.1 Equipment needed : Use 15 pin D-Sub and USB cable ISP tool ISP connection 5.4.2 Hardware setup connection : ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 50 Setup procedure to update Bin and Hex Firmware Click “Yes”to continue Make sure the USB cable and 15 pin Sub cable are properly connected to the PC computer and LCD monitor. Execute the software program ViewSonic Corporation Confidential - Do Not Copy VX2835wm-1...
  • Page 51 COM Port under Control Panel Device Manager Com Port 4. Com Port Protocol – select TV Start to do firmware BIN update On the top menu, click VIEW Direct SPIU Click “Load” Flash Management ViewSonic Corporation Confidential - Do Not Copy VX2835wm-1...
  • Page 52 Locate and load the bios file Set the Program Delay to “3” Click “RUN” Exit after seeing “OK”. Disconnect all cables and turn off all AC power. ViewSonic Corporation Confidential - Do Not Copy VX2835wm-1...
  • Page 53 1. Click ISP, on the top menu, select configuration 2. Locate the file for 8051ISP writer ISP Setting File Path of external ISP tool 3. Select the correct chip (W79E632) and select the 4. Select HEX format hex file. ViewSonic Corporation Confidential - Do Not Copy VX2835wm-1...
  • Page 54 5. Select the second HEX file 6. Select HEX format 7. Check the com port setting (Control 8. Program OK - Done Panel System Device Manager COMP PORT. Click “Connect Next Chip” Click Program All ViewSonic Corporation Confidential - Do Not Copy VX2835wm-1...

  • Page 55: Ddc Key In Procedure

    2. If you find the DDC does not conform to the monitor, you have to do the DDC key in. Equipment Needed - VX2835 LCD Monitor - DDC Card - PC - RS232 cable - HDMI Cable DDC Card (D8330) RS-232 Cable VGA Cable ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 56 Step 1 : Select VX2835 on Working Model column to show EDID data on left Step 2 : Modify the column of Week of Manufacture and Year of Manufacture and ID serial Number then press “2B” button for changing serial number data. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 57: Disassembly Procedure

    2, pull out the left cover to remove. 3. Follow step 1, press both sides of the hinge cover, then proceed to step 2, pull out the right cover to remove. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 58 7. To remove the back cover, start from the lower STEP 1 left corner. Use a plastic tool ( flat) and insert on the opening on the lower left corner. Follow the number. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 59 8. Unfasten six (6) screws on the hinge bracket. 9. You can now remove the left speaker. Disconnect the speaker cable from the connector. 10. You can now remove the right speaker. Disconnect the speaker cable from the connector. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 60 LCD panel. 12. Disconnect the keyboard cable. 13. Unfasten four (4) screws on the key board. 14. Unfasten seven (7) pcs screws on the shielding. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 61 16. Unfasten two (2) screws on the upper and bottom sides of the LCD module. 17. Release all the snap locks along the four sides of the LCD screen. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 62 19. Separate the front bezel of the LCD monitor. 20. Unfasten all screws under the shielding. 21. Unfasten all screws on the MB and Power Board and grounding. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 63 22. You may now separate MB and Power Board 23. The disassembly procedure is done. NOTE : There might be some additional aluminum foils for EMI solution that are not shown in this procedure. ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 64 Packing for Shipping PACKING PART LIST ( VX2835wm-1 ) ViewSonic Model Number: VS11531 Rev: 1a Item ViewSonic P/N Ref. P/N Location Q'ty DC-00008431 72-28350100G310 VX2835wm USA Packing assy,made in Taiwan 72-28350100G210 VX2835 China packing assy,made in Taiwan DC-00008429 72-28350100G110 VX2835 TWN packing assy,made in Taiwan CB-00008003 33-00070500G000 CABLE STEREO PHONE SZE33261B 33-Y2830601G200 Cable HDMI To DVI 1.8M(GLET)

  • Page 65: Troubleshooting Flow Chart

    6. Troubleshooting Flow Chart NO POWER NO POWER 1. Re connect AC power 2. Re connect Power cable IS THERE A POWER ? Replace Power Board IS THERE A POWER ? ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 66 2. check sub-cable if connected properly 3. Check all cables inside the monitor IS THERE A DISPALY? Replace MB Board IS THERE A DISPLAY ? Replace Panel IS THERE A DISPLAY ? ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 67 Dispaly have vertical line 1. Check if sub-cable is OK and connected properly 3. Check all cables inside the monitor IS THE DISPALY GOOD ? Replace PANEL IS THERE A DISPLAY ? ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 68 2. Check for any damage on inverter cable Is display backlight ON ? Replace Power / Inverter board Is display backlight ON ? Replace Panel Is display backlight ON ? ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 69 DISPLAY HAVE BLOCK BAR Dispaly have block 1. Check if sub-cable is OK and connected properly 3. Check all cables inside the monitor IS THE DISPALY GOOD ? Replace PANEL IS THE DISPALY GOOD ? ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 70 1. Check if audio cable is connected properly 2. Check OSD and check if MUTE IS set to OFF or ON IS THE AUDIO GOOD ? Replace Power/Inverter Board IS THE AUDIO GOOD ? ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 71: Block Diagrams

    7. Block Diagram ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...

  • Page 72: Schematic Diagrams

    ID3.5/OD7.0 ID4.5/OD7.0 AUDIO_5V SCL_5V SCL_5V SDA_5V AUDIO_12V AUDIO_5V SDA_5V GNDD 5V_STBY Audio Switch AUDIO_12V GNDD AUDIO_5V 5V_STBY MTG4 MTG6 GNDD ID3.5/OD7.0 ID4.5/OD8.0 GNDD AUDIO ViewSonic Corporation Model GNDD SCALER Title Date Rev: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 73 GNDD GNDD GNDD HP_R EAR_DET EAR_DET HP_L Headphone_OUT 120k/NC 330pF 330pF 10pF/NC 10pF/NC 10pF/NC 0/R0805 B0805 ViewSonic Corporation H PLUG L NO PLUG GNDD GNDD GNDD GNDD Model GNDD SCALER Title Date Rev: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 74 GNDD R271 R225 HDMI_R AUMUTE VOUT/R AUMCK AUMCK C273 C274 ZEROL/NA C339 C340 ZEROR/ZEROA GNDD 0.1uF 10uF VCOM DGND AGND 10uF GNDD PCM1754 ViewSonic Corporation GNDD GNDD Model SCALER Title Date Rev: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 75 Middle of DDR-SDRAM VSSQ VSSQ and Scaler VSSQ VSSQ VSSQ VSSQ FSVREF VSSQ VSSQ VSSQ 0.1uF GNDD EM6A9320/DDR-SDRAM/BGA ViewSonic Corporation GNDD GNDD GNDD Model Near The DDR-SDRAM IC SCALER Title Date Rev: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 76 R335 TX_SCL TX_SCL GNDD VGA_RX R336 RX_SDA RX_SDA GNDD PC_R PC_R PC_L PC_L PC_Line_in R100 R101 0/R0805 330pF 330pF B0805 ViewSonic Corporation GNDD GNDD GNDD GNDD GNDD Model SCALER Title Date Rev: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 77 TMDS_CK+ TMDS_CK+ TMDS_GND TMDS_GND RX2+ RX2+ TMDS_CK- TMDS_CK- CE_REMOTE_IN CE_REMOTE_OUT DDC_SCL DDC_CLK_IN DDC_CLK_IN DDC_CLK_OUT DDC_SDA DDC_DAT_IN DDC_DAT_IN DDC_DAT_OUT HPD_IN HOTPLUG_DET_IN HOTPLUG_DET_OUT ViewSonic Corporation CM2021 GNDD GNDD Model CONNECTOR SCALER Title Date Rev: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 78 GNDD GNDD GNDD IR_SW "L"-->AV2 A_GNDD IR_SW "H"-->CARD 80ohm/100MHz Y/Pb/Pr_L Y/Pb/Pr_L 3 80ohm/100MHz Y/Pb/Pr_R GNDD Y/Pb/Pr_R 3 C105 C106 C277 C278 ViewSonic Corporation 470pF 470pF Model GNDD GNDD SCALER Title Date Rev: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 79 0.1uF 0.1uF 0.1uF 0.1uF 5V_STBY R245 R246 IR SW-->HI(CARD) 10K/NC R322 SWITCH GNDD GNDD 4.7K SCL_5V R312 100R ViewSonic Corporation SDA_5V R313 100R 24C02 GNDD Model HDMI EDID SCALER Title Date Rev: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 80 RXOC+ RXO3- RXO3+ R341 47K/NC GNDD R342 ADJ_PWM 1K/NC P_ADJ_PWM GNDD R343 0/NC C341 S_ADJ_PWM 11 0.1uF/NC MMBT3904L/NC GNDD FSA4157/NC GNDD GNDD ADJ_PWM R344 S_ADJ_PWM ViewSonic Corporation Model SCALER Title Date Rev: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 81 MMBT3904 GNDD GNDD GNDD PWR_O R282 2N7002 GNDD R186 BL_EN BL_EN BL_EN R187 ADJ_PWM ADJ_PWM 9 BL_PWM C133 C134 GNDD 10uF/16V C342 47uF/25V GNDD GNDD ViewSonic Corporation Model SCALER Title Date Rev: ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 82 0.1uF XOUT MMBT3904L C192 FSCLK+ FSCLK+ MCLK GNDD 18pF FSCLK- MCLKZ FSCLK- GNDD FSCKE MCLKE FSCKE ViewSonic Corporation GNDD MVref MVREF MVref 14.318MHz C193 GNDD 18pF FSCLK+, FSCLK- should be routed like a differentail pair Model SCALER Title GNDD Date...
  • Page 83 RP21 22Ω PTDR3 VCCQ VSSQ PTDR2 VCCQ VSSQ PTDR1 GNDD VCCQ VSSQ PTDR0 P_D3.3V P_D3.3V P_SD3.3V GNDD 600z/100MHz P_SD3.3V C240 ViewSonic Corporation C254 C241 C242 C243 C244 C245 C246 C247 C248 C249 C250 C251 C252 C253 100uF/25V 600z/100MHz 0.1uF 47uF/25V 0.1uF...

  • Page 84: Pcb Layout Diagrams

    9. PCB Layout Diagrams ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
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  • Page 93: Exploded Diagram And Spare Parts List

    10. Exploded Diagram and Exploded Parts List ViewSonic Corporation VX2835wm-1 Confidential - Do Not Copy...
  • Page 94 EXPLODED PARTS LIST ( VX2835wm-1 ) ViewSonic Model Number: VS11531 Rev: 1a Serial No. Prefix: QFG Item ViewSonic P/N Ref. P/N Description Q'ty B-00008444 70-V9350200G040 VX1935 KEY BOARD ASS'Y (LF)(Premier) C-00008464 45-X2830100G000 VX2835 BEZEL SUB ASSY 40-04020019G000 VX2835 LED LENS...

  • Page 95: 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 96 BOM LIST ( VX2835wm-1 ) ViewSonic Model Number: VS11531 Rev: 1a Serial No. Prefix: QFG Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty 04-1Y283A00G000 EDID VX2835 280MUW1A00 EDID A R10.0 04-1Y283A00G100 EDID VX2835 280MUW1A00 EDID DA R10.0 06-Y2830000G000 Bin Code VX2835 DL-FLA-280MUW1A00R30.0 06-Y2831200G000 Bin Code VX2835 DL H00-280MUW1A00R30.0...
  • Page 97 62-07000009G000 Energy Star Label DC-00008002 62-07000010G000 QC-Pass Label DC-00008003 62-07000011G000 Hi-Pot Pass Label 62-07000014G000 Customer label 62-07000015G000 ViewSonic Customer label 180*100mm 62-07000027G000 VSC manufacture sticker B-00008444 70-V9350200G040 VX1935 KEY BOARD ASS'Y (LF)(Premier) B-00008074 70-VX193500G000 VX1935 KEY BOARD ASS’Y (Lead Free)
  • Page 98 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 VX2835wm-1 Confidential - Do Not Copy...

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