ViewSonic VA712b-1 Service Manual
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ViewSonic VA712b-1 Service Manual

ViewSonic VA712b-1 Service Manual

17” color tft lcd display
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Service Manual

ViewSonic VA712-1
VA712b-1
Model No. VS10697
17" Color TFT LCD Display
(VA712-1_VA712b-1_SM Rev. 1b Mar. 2006)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA – (800) 888-8583

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  • Page 1: Service Manual

    Service Manual ViewSonic VA712-1 VA712b-1 Model No. VS10697 17” Color TFT LCD Display (VA712-1_VA712b-1_SM Rev. 1b Mar. 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 Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • 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 or tilt the Interface Connector of the TFT Module. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • 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. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 6 “ MURA “ Do not touch the surface of the polarizer . Take out the monitor with cushion Take out the monitor by grasping the LCD panel. That may cause “ MURA“. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • 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 Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 8: Specification

    UL, cUL, FCC-B, CB, CE, NOM, TUV/GS, TUV ERGO (covers ISO13406-2 & MPRII), TCO99, GOST-R + 20 ORIGINAL COPIES HYGIENIC, SASO, PCBC, Regulation VCCI, BSMI, CCC, (PSB), (C-TICK), TUV-S, Green Mark, Energy Star Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 9 DVI Cable(1.8m, color: black) with PC 2001 Arabic, English, Finnish, Spanish, German, ViewSonic CD Wizard Italian, Japanese, Swedish, Polish, Korean Portuguese, Russian, French, Simplified ViewSonic Quick Start Guide Chinese, Traditional Chinese, Hungary, Czech Screen Protector Mylar Warranty Sticker (Chinese) (Japanese)
  • Page 10 1280 x 960, 1280 x 1024 Resolution Compatibility * The image vertical size might not be full screen. But the image vertical position should be at the center. Exclusions Not compatible with interlaced video Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 11 Chapter 6 ELECTRICAL REQUIREMENT Horizontal / Vertical Frequency Horizontal Frequency 30 – 82 KHZ Vertical Refresh Rate 50 – 85* HZ. Maximum Pixel Clock 135 MHz Sync Polarity Independent of sync polarity. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 12 Note 1:When Vertical frequency at 85Hz or resolution, the vertical image size might not be full screen. But the vertical image position should be at the center. Note 2: Out of scalar chip (gm5126) limit. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 13 UL, cUL, FCC-B, CB, CE, NOM, TUV/GS, TUV ERGO (covers ISO13406-2 & MPRII), TCO99, GOST-R + 20 ORIGINAL COPIES HYGIENIC, SASO, PCBC, Regulation VCCI, BSMI, CCC, (PSB), (C-TICK), TUV-S, Green Mark, Energy Star Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 14 DVI Cable(1.8m, color: black) with PC 2001 Arabic, English, Finnish, Spanish, German, ViewSonic CD Wizard Italian, Japanese, Swedish, Polish, Korean Portuguese, Russian, French, Simplified ViewSonic Quick Start Guide Chinese, Traditional Chinese, Hungary, Czech Screen Protector Mylar Warranty Sticker (Chinese) (Japanese)
  • Page 15 1280 x 960, 1280 x 1024 Resolution Compatibility * The image vertical size might not be full screen. But the image vertical position should be at the center. Exclusions Not compatible with interlaced video Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 16 Chapter 6 ELECTRICAL REQUIREMENT Horizontal / Vertical Frequency Horizontal Frequency 30 – 82 KHZ Vertical Refresh Rate 50 – 85* HZ. Maximum Pixel Clock 135 MHz Sync Polarity Independent of sync polarity. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 17 Note 1:When Vertical frequency at 85Hz or resolution, the vertical image size might not be full screen. But the vertical image position should be at the center. Note 2: Out of scalar chip (gm5126) limit. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 18: Front Panel Function Control Description

    Also a shortcut to toggle analog and digital connection. Power light Audio Mute button turns Green = ON the sound off Orange = Power Saving Standby Power On/Off Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • 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.) Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 20 To adjust selected color, press and . Important: If you select RECALL from the Main Menu when the product is set to a Preset Timing Mode, colors return to the 6500K factory preset. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 21 Information displays the timing mode (video signal input) coming from the graphics card in your computer, the LCD model number, the serial number, and the ViewSonic website URL. See your graphic cards user guide for instructions on changing the resolution and refresh rate (vertical frequency).
  • Page 22 OSD Background On/Off allows you to turn the On-Screen Display 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. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 23 3. Turn off [Power on/off] button. 4. Press [▲] + [▼] + [Power on/off] at same time 5. Press [1] Then you will see the BIOS update picture show in the screen as below. 17E1HG3004 Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 24: Circuit Description

    The AT1741 is 2-channel PWM switching regulator controllers that contains an on-chip 2.5V reference, two error amplifier, an adjustable oscillator, two dead-time comparators, under voltage lockout circuitry and 2 common-emitter output. It is idea for step-up, step-down, and inverting converter. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 25 After the device performs chip erase or block erase operation, it can be reprogrammed on a byte-by-byte basis. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 26 28 bits of CMOS/TTL data with falling edge clock. At a transmit clock frequency of 85MHz, 24 bits of RGB data and 4 bits of LCD timing and control data (HSYNC, VSYNC, CNTL1, CNTL2) are transmitted at a rate of 595 Mbps per LVDS data channel. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 27: 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 Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 28 Window standard pattern 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 Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 29 Inspection Item: Bright Dot, Partial & Line Defect 14. Gray_Scale_0-100_V256 Test Signal: 1280*1024@60Hz Test Pattern: Vertical 64 (256) Gray Scale (Right ¡÷ Left¡A From 0 to 100% White) Inspection Item: Line Defect & Function Defect Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 30 Test Pattern: Black block at the center Inspection Item: Cross Talk & Optical Character 17. Black_Tile Test Signal: 1280*1024@60Hz Test Pattern: Black tile under white background Inspection Item: Function Defect & Image Remain Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 31 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 1 Figure 2 Figure 3 Figure 4 Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 32 Figure 5 Figure 5 Figure 6 Figure 7 Figure 8 Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 33 4. DCC Test Patten: EDID program -Make sure it can pass test program. 5. Window Shut Down Test Signal: 1280*1024@60Hz Test Pattern: 6. BIOS update procedure BIOS Update User Guide For ViewSonic Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 34: Bios Update Flow For Genesis

    ISPACK.EXE: Main program GProbe4.2.0.3.exe b) Ancillary .ISPACK.EXE ¡GDescription program GProbe4.2.0.3_gm5126.exe 1.1. 2.Hardware •RS232 cable¡]9 Pin¡^ •D_Sub cable¡]15Pin¡^ •12V Power supply •RS232 to D_Sub transfer BD Monitor Set PC optional RS232 to PC Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 35 1.1.3 Join R232, monitor cable, and adapter. Detail, see the example picture as below. Connect PC Connect to adapter +12v Cable Connect monitor Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 36 This system is applied to Win 95/98/NT/2000. 1.3 ISP Execution ISP exe. Main program Gprobe.exe Drive write file. Pre.txt Drive read file. Readme.txt : Ancillary file. 5126bc14.dev Please copy all the files above to the same directory Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 37 1. Open ISP.Gprobe while parameters set up have been completed. ISP.GProbe 2. You will see the picture as below. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 38 3. Execute the main program (Grope). Choose the item for parameter link while program execution 4. Please follow up the parameter set up shown as below ¡G SERIAL1 COM1 115200 Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 39 5. Select “gm5126AA_AB” Select “ gm5126AA_AB” Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 40 6. Execute Pre.txt¡GInput BATCH PRE.TXT Input “ BATCH The system can PRE.TXT” execute ISP while the words show up If appear line 3 is OK, Appear line 2 is Error. Please check wiring. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 41 ¡° If failed, Please don’t turn off power. Repeat do it again, from step 6 to step 7. 8. When everything is done. Please turn off the power and restart it again. Check Factory Mode and make sure it already be updated. 17E1HG3004 Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 42: Abnormal Display

    AD/B Change Check PCB No display P/B Change CNT/B Change Check Panel Panel Change D-sub cable Check Wire change AD/B Change Check PCB Noise Panel Change Check Panel TEST Next Step Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 43 Panel Change Check Panel AD/B Change No signal Check PCB CNT/B Change Check Wire D-sub cable change Power on AD/B Change Check PCB Display Panel Change abnormal Check Panel TEST Next Step Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 44 LED Abnormal OSD cable Change LED Flicker Check Wire Power wire connector Cable change Abnormal AD/B Change Check PCB Keyboard Unavailable P/B Change OSD cable Change Check Wire TEST Next Step Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 45 Display Shut Check PCB Display Down P/B Change CNT/B Change Check Panel Panel Change AD/B Change Check PCB Display flicker (tapping ) CNT/B Change Check Panel P/B Change TEST Next Step Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 46 - 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. Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 47: Recommended Spare Parts List

    7. Recommended Spare Parts List RECOMMENDED SPARE PARTS LIST (VA712-1) Due to the VA712-1 is *ISM model, therefore, it didn't have separate part number for panel. ViewSonic Model Number:VS10697 Rev: 1a *ISM : Integrated Smart Module. Item Description ECR/ECN ViewSonic P/N Ref.
  • Page 48 RECOMMENDED SPARE PARTS LIST (VA712b-1) Due to the VA712-1 is *ISM model, therefore, it didn't have separate part number for panel. ViewSonic Model Number: VS10697 *ISM : Integrated Smart Module. Rev: 1a Item Description ECR/ECN ViewSonic P/N Ref.P/N Location Q'ty Adapter, DA-60F19-AE, 19 V, 3.16 A, 60 W, Black, Asian Power...
  • Page 49 BOM LIST (VA712-1) ViewSonic Model Number: VS10697 Rev: 1a Item ViewSonic P/N Ref.P/N Location Location Universal # Q'ty 17" Common BOM,E5-L08,72%,Scan COG,TFT Rev.C #N/A MH0E50EK01 10ms Cell #N/A L3H007XXX7 17"Phtot Spacer TN Asahi 0.7mm glass with 10 ms LC #N/A...
  • Page 50 Item ViewSonic P/N Ref.P/N Location Location Universal # Q'ty CB-00000546 3241700001 FFC-OSD,A170E1-H01,15Pin,180mm*16mm,Pitch=1.0mm TAPE-CONDUCTIVE,AL,? ? ,125*30*0.08,A170E1- M-00000561 7344711002 H01,3M:AL-35R HW-00000557 42A9930017 Screw,?3*P1.27*8,5.5*2,Steel HW-00000553 42A9930008 Screw,M3*P0.5*4,5.5*2,Steel HW-00000555 42A9930014 Screw,M3*P0.5*6,Steel HW-00000556 42A9990005 Screw,M3*P1.27*12,5.5*2,Steel #N/A 45-D000324 Washer,Stand Washer,3.1 mm,10 mm,CLT ME Software (EDID_D- #N/A 10E1700049 SUB),A170E1,Ver.VSCC81BA00,ViewSonic,Checksum(66...
  • Page 51 Item ViewSonic P/N Ref.P/N Location Location Universal # Q'ty Olympic,17",Accessory BOM,D-sub+Audio,UK / HK 3 #N/A PH0EAKN000 pin,Black,For VSC Adapter,DA-60F19-AE,19 V,3.16 A,60 W,Black,Asian A-00002056 271906019K ADAPTOR Power Devices,Two BC,CD FOR VSC CB-00000544 32F2818004 Audio Cable,A150X2,18AWG,180cm,Black,JCE AUDIO Power Code,UL,SVT#18/3C,75,LP-30B+LS-13,L=1830+/- A-00000458 32E1818015 POWER...
  • Page 52 BOM LIST (VA712b-1) Model Number: VS10697 Rev: 1a Item ViewSonic P/N Ref.P/N Location Location Universal # Q'ty 17" Common BOM,E5-L08,72%,Scan COG,TFT #N/A MH0E50EK01 Rev.C 10ms Cell 17"Phtot Spacer TN Asahi 0.7mm glass with 10 #N/A L3H007XXX7 ms LC Driver #N/A...
  • Page 53 Item ViewSonic P/N Ref.P/N Location Location Universal # Q'ty Olympic,17",ID BOM,D- #N/A PH0EI1G004 sub+DVI+Audio,Japan,Black,For VSC, Olympic,17",ID BOM,D- #N/A PH0EI1G003 sub+DVI+Audio,UK,Black,For VSC, Bezel Assy,A170E1-H0G,ASSY,H93828B4 C-00002080 40-D000162 Midnight Gray,Injex Rear Assy,A170E1-H0G,ASSY,H93828B4 C-00002081 40-D000175 Midnight Gray,Injex Stand Seat Assy,A170E1-H0G,ASSY,H93828B4 C-00002082 40-D000163 Midnight Gray,Injex...
  • Page 54 Item ViewSonic P/N Ref.P/N Location Location Universal # Q'ty #N/A 7841995111 Separator,(AA), 1130x955x11,A190E1-H01 0.025 Label,Pallet Barcode Label,75x40,A190E2- #N/A 7741999141 0.025 H03,VSC Carton Label for ,A170E1-H0G,76.2 mmx76.2 DC-00002084 77-D000264 mm,VSC(VA712b) Inner Box,A170E1-H0G,454 mmx160 mmx43 P-00002070 78-D000337 mm,Yuen Foong Yu,Inner Box Cushion,A170E1-H0G,PE_LD,white,460...
  • Page 55 8. Exploded Diagram and Spare Parts List EXPLODED PARTS LIST (VA712/b-1) ViewSonic Model Number: VS10697 Rev: 1b Item ViewSonic P/N Ref. P/N Description C-00002080 BEZEL ASSY (Digital) 40-D000162 C-00002063 40-D000161 BEZEL ASSY (Analog) M-00000558 41A1769104 METAL FRAME FRONT E-00003827 MH0E50EK01 PANEL...
  • Page 56 Monitor Assembly and Disassembly 1.1 Separate Stand Assy 1.1.1 Remove Stand Cover Step 1 : Remove Cover Hinges Step 2 : Loose and Remove 4 screws Step 3: Remove Stand Assy Step 4: Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 57: Rear Case Assy

    Separate Bezel hooks to take Bezel and Rear Cover apart. Step 1 : Loose and remove 2 screws. Step 2 : Separate Bezel hooks to take Bezel and Rear Cover apart. Step 3 : Remove Rear Cover Step 4 : Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 58 1.3 Remove Power Board 1.3.1 Remove the Tinfoil 1.3.2 Remove FFC 1.3.3 Remove Metal Cover Step 1 : Loose and remove 4 screws Step 2 : Loose and remove 6 screws Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 59 Step 3 : Remove the Cover of X-PCB Step 4 : Completed 1.3.4 Remove Power PCBA Step 1 : Loose and remove 3 screws Step 2 : Remove Power PCBA Step 3 : Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 60 1.4 Change New Power Board Step 1 : Insert New Power PCBA Step 2 : Fasten 3 fixed screws of Power PCBA Step 3 : Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 61 1.5 Remove AD PCBA Step 1 : Loose and remove 1 screw Step 2 : Remove 2 FFC from AD PCBA Step 3 : Remove AD PCBA Step 4 : Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 62 1.6 Change New AD PCBA Step 1 : Place New AD PCBA Step 2 : Insert 2 FFC Step 3 : Fasten 1 screw Step 4 : Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 63 Join the cover hooks of X-PCB Step 2 : Fasten the 6 screws Step 3 : Fasten 4 screws Step 4 : Insert FFC Step 5 : Attach the Tinfoil Step 6 : Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 64 1.8 Separate Bezel Assy Step 1 : Loose and remove 4 screws Step 2 : Lift up LCD module and remove Bezel Step 3 : Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 65 1.9 Remove OSD PCBA Step 1 : Remove FFC Step 2 : Separate both Audio Cable Step 3 : Loose and remove 2 screws Step 4 : Take OSD PCBA apart Step 5 : Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 66 1.10 Change New OSD PCBA Step 1 : Place New OSD PCBA Step 2 : Fasten 2 screws Step 3 : Insert Audit Cable to connectors of OSD PCBA Step 4 : Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 67: Rear Cover Assy Assembly

    1.11 Rear Cover Assy Assembly Step 1 : Place Rear Cover Step 2 : Join Rear Cover with Bezel Step 3 : Fasten 2 screws Step 4 : Place Stand Assy Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 68 Step 5 : Fasten 4 screws to fixed Stand Assy Step 6 : Insert Cover Hinge Step 7 : Completed Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 69 9. Block Diagram OSD Key Pad Speaker Audio Out Audio In 3.3V DVI-D Digital Video Main Board LCD Module Signal D-sub Analog Video DC/DC DC-19V Inverter DC -19V Backlight Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 70 ESTH ESTH GMA1 GRAPHIC INPUT PANEL INV_ON/OFF INV_ADJ1 V33A INV_ON/OFF DC/DC POWER INV_ADJ1 GMA1 GMA2 VIN_19V VIN_19V VIN_19V GMA3 GMA4 GMA5 INVERTER I/F DC/DC POWER GMA6 GMA7 GMA8 GMA9 GMA10 INVERTER I/F Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 71 0603/10K/5%/RoHS 0603/10K/5%/RoHS RP30 RP30 0603/10K/5%/RoHS 0603/10K/5%/RoHS QP10 QP10 PANEL_ONB 2N7002/RoHS 2N7002/RoHS RP32 RP32 ZDP2 ZDP2 0603/10K/5%/RoHS 0603/10K/5%/RoHS BZT52-C5V1S/RoHS BZT52-C5V1S/RoHS RP34 RP34 0603/1M/5%/RoHS 0603/1M/5%/RoHS QP11 QP11 PANEL_ON/OFF 2N7002/RoHS 2N7002/RoHS RP35 RP35 0603/1M/5%/RoHS 0603/1M/5%/RoHS Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 72 0603/10K/5%/RoHS RA18 RA18 RA19 RA19 CA22 CA22 RA20 RA20 0603/1K/5%/RoHS 0603/1K/5%/RoHS 0603/10K/5%/RoHS 0603/10K/5%/RoHS 0805/2.2u/16V/Y/RoHS 0805/2.2u/16V/Y/RoHS LM4838MTENOPB/RoHS LM4838MTENOPB/RoHS VOL_ADJ 0603/10K/5%/RoHS 0603/10K/5%/RoHS RA21 RA21 CA23 CA23 CA24 CA24 0603/100n/25V/Y/RoHS 0603/100n/25V/Y/RoHS 1210/10u/16V/Y/RoHS 1210/10u/16V/Y/RoHS OPEN OPEN Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 73 0603/5.6K/5% 0603/5.6K/5% 0603/2.2K/5% 0603/2.2K/5% OPEN OPEN 0603/16K/5% 0603/16K/5% R185 R185 GVON GVON OPEN OPEN OPEN OPEN FH12-45S-0.5SH FH12-45S-0.5SH 0603/10K/5% 0603/10K/5% BZT52-C5V1S BZT52-C5V1S 2N7002DW 2N7002DW R186 R186 OPEN OPEN GVOFF GVOFF 0603/10K/5% 0603/10K/5% Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 74 0603/0R/5% 0603/0R/5% GMA9 OUTE OUTH GMA7 0603/0R/5% 0603/0R/5% GMA8 open open GMA10 OUTF OUTG C101 C101 VS10 0603/0R/5% 0603/0R/5% GMA9 Open Open 0603/0R/5% 0603/0R/5% VS10 GMA10 open open C102 C102 open open Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 75 0603/4.7K/5% 0603/4.7K/5% 0603/4.7K/5% 0603/4.7K/5% 2N7002/RoHS 2N7002/RoHS BSS84 BSS84 2N7002/RoHS 2N7002/RoHS C146 C146 C147 C147 BSS84 BSS84 R124 R124 LED_OI R125 R125 LED_O LED_GI 0603/100n/25V/Y 0603/100n/25V/Y 0603/100n/25V/Y 0603/100n/25V/Y LED_G 0603/510R/5% 0603/510R/5% 0603/510R/5% 0603/510R/5% Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 76: Dvi Input

    DATA3- DATA3+ R167 R167 0603/10K/5% 0603/10K/5% 0603220KV05T/RoHS 0603220KV05T/RoHS 0603/10K/5% 0603/10K/5% 0603/47K/5% 0603/47K/5% H_PLUG_DET RX0- DATA0- 0603/10K/5% 0603/10K/5% DATA0+ RX0+ DATA0/5_SHLD DATA5- DATA5+ CLK_SHLD RXC+ CLK+ CLK- RXC- DVI_EDID_5V DVI_EDID_5V SHELL2 67351-4004 67351-4004 Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 77 0603100KV05T 0603100KV05T R169 R169 0603/100R/5% 0603/100R/5% 0603/47K/5% 0603/47K/5% DDC_SCL DDC_SDA V33A V33A 0603/1u/10V/Y/RoHS 0603/1u/10V/Y/RoHS G_VSYNC HSYNC HSYNC R119 R119 OPEN OPEN VSYNC VSYNC SN74LV14APWR SN74LV14APWR G_HSYNC [Schmitt Trigger] R120 R120 OPEN OPEN Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 78 INV_ON/OFF INV_ADJ C501 C501 V33A Open Open VIN_19V R190 R190 OPEN OPEN 0603/1K R191 R191 OPEN OPEN 0603/3.3K OPEN OPEN MMBT3904 R192 R192 0603/0R/5% 0603/0R/5% 0603/10K/5% 0603/10K/5% INV_ADJ1 C145 C145 0603/100n/25V/Y 0603/100n/25V/Y Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 79 0603/10K/5% 0603/10K/5% 0603*4/22R/5% 0603*4/22R/5% SOURCE_SELECT AUTO_ADJ MENU KEY_DOWN KEY_UP LED_G 0603*4/22R/5% 0603*4/22R/5% LED_O PWR_SW MCB1608S600H MCB1608S600H AUDIO/R+ MCB1608S600H MCB1608S600H AUDIO/R- MCB1608S600H MCB1608S600H AUDIO/L+ AUDIO/L- MCB1608S600H MCB1608S600H 7101-15 7101-15 0603*4/100n/25V 0603*4/100n/25V 0603*4/100n/25V 0603*4/100n/25V Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...
  • Page 80 11. PCB Layout Diagrams Confidential - Do Not Copy VA712-1_VA712b-1 ViewSonic Corporation...

  • Page 81: Exploded Diagram And Exploded Parts List

    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) Confidential - Do Not Copy VA712-1_VA712b-1...

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