ViewSonic VG712s Service Manual
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ViewSonic VG712s Service Manual

17" color tft lcd display
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Service Manual

ViewSonic VG712s/b-1
Model No. VLCDS23719-6W/7W
17" Color TFT LCD Display
(VG712s/b_SM_835_1b Rev. 1b Oct. 2004)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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  • Page 1: Service Manual

    Service Manual ViewSonic VG712s/b-1 Model No. VLCDS23719-6W/7W 17” Color TFT LCD Display (VG712s/b_SM_835_1b Rev. 1b Oct. 2004) 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 Diagram And Spare Parts List 9. Block Diagram 10. Schematic Diagrams 11. PCB Layout Diagrams Confidential - Do Not Copy ViewSonic Corporation VG712s/b...

  • Page 4: Precautions And Safety Notices

    The external power converter for this display utilizes AC and DC cords, AC cord is detachable, but DC cord is permanently attached. Any attempt to replace another adapter could result in serious problems on the display. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 5 (14) The LCD module is designed so that the CFL in it is supplied by Limited Current Circuit (IEC60950 or UL1950). Do not connect the CFL in Hazardous Voltage Circuit. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 6 Do not touch the surface of the will probably cause “Mura.” polarizer. Take out the monitor with cushions Take out the monitor by grasping the LCD panel. That will probably cause “Mura.” Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 7 Place the monitor on a clean and soft foam pad. Place the monitor on foreign objects. That will probably scratch the surface of the panel or cause “Mura.” The panel is placed facedown on the lap. That will probably cause “Mura.” Confidential - Do Not Copy ViewSonic Corporation VG712s/b...

  • Page 8: Specification

    2. For resolution 1280 x 1024, the vertical refresh rate up to 75 Hz; for the rest resolutions, the vertical refresh rate up to 85Hz Maximum Pixel Clock 135 MHz Primary Preset 1280x1024@60Hz Look up table timing Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 9 10 k Ohm Maximum power output (Electric) 3 W @ < 8% DISTORTION Signal to Noise Ratio 72 dB Frequency response 400 Hz – 20 KHz Distortion < 8 % THD (@1KHz) Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 10 Storage Temperature -20°C to +60°C Operating Relative Humidity 20% to 90% RH Non-Condensing Storage Relative Humidity 5% to 90% RH Non-Condensing Operating Altitude 0 to +3,000 meters Storage Altitude 0 to +12,000 meters Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 11 Date: Wed Jan 14, 2004 ______________________________________________________________________ ______________________________________________________________________ VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VG712s/b ______________________________________________________________________ ______________________________________________________________________ 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...
  • Page 12 1152 X 870 @ 75Hz (Apple,Mac II) (38-53) Standard Timing Identification: 1280 X 1024 @60Hz 1024 X 768 @85Hz 800 X 600 @85Hz 640 X 480 @85Hz Not Used Not Used Not Used Not Used Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 13 Max Horiz. Freq - 82 KHz Pixel Clock - 140 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VG712s/b (126) No Extension EDID Block(s) (127) CheckSum OK Confidential - Do Not Copy...
  • Page 14 Time: 08:14:47 Date: Fri Jan 30, 2004 ______________________________________________________________________ ______________________________________________________________________ VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VG712s/b ______________________________________________________________________ ______________________________________________________________________ 128 BYTES OF EDID CODE: 0 1 2 3 4 5 6 7 8 9 ________________________________________...
  • Page 15 1152 X 870 @ 75Hz (Apple,Mac II) (38-53) Standard Timing Identification: 1280 X 1024 @60Hz 1024 X 768 @85Hz 800 X 600 @85Hz 640 X 480 @85Hz 640 X 400 @70Hz Not Used Not Used Not Used Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 16 Max Horiz. Freq - 82 KHz Pixel Clock - 140 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VG712/b (126) No Extension EDID Block(s) (127) CheckSum OK Confidential - Do Not Copy ViewSonic Corporation VG712s/b...

  • Page 17: Front Panel Function Control Description

    Also a shortcut to toggle between analog and digital connections. Power light Green = ON Orange = Power Saving Audio Mute button turns the sound off. Power On/Off Confidential - Do Not Copy ViewSonic Corporation VG712s/b...

  • Page 18: Do The Following To Adjust The Screen Image

    • 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 ViewSonic Corporation VG712s/b...
  • Page 19 6500K — Adds red to the screen image for warmer white and richer red. 5400K — Adds green to the screen image for a darker color. 5000K — Adds blue and green to the screen image for a darker Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 20 (video signal input) Information coming from the graphics card in your computer, the LCD model number, the serial number, and the ViewSonic website URL. See your graphic card’s user guide for instructions on changing the resolution and refresh rate (vertical frequency).
  • Page 21 1280 x 1024, the following screen appears. Resolution Notice For best picture quality, change the resolution to 1280 x 1024 Press "1" to Clear Message. Press "2" to Disable Message. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 22 On-Screen Display background On or Off. returns the adjustments back to factory settings Memory Recall if the display is operating in a factory Preset Timing Mode listed in the Specifications of this manual. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 23 [1] button, you can find the information about this Without signal (Hold for 3 seconds. Release “Power” button first monitor. and then “Up” & ”Down” buttons.) Remark: All the shortcut functions are only available while OSD is off. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...

  • Page 24: Circuit Description

    The AP1501 is monolithic IC designed for M/B DC/DC converter, and owns the ability of driving a 3A load without any additional transistor component. The AP1501 operates at a switching frequency of 150KHz and thus allows smaller-sized filter components than what would be needed with lower frequency switch regulator. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 25 (OSD) controller, digital color controls and an on-chip microcontroller (OCM). With this level of integration, the gm5110/20 devices simplify and reduce the cost of LCD monitors while maintaining a high-degree of flexibility and quality. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 26 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 ViewSonic Corporation VG712s/b...

  • Page 27: Adjusting Procedure

    800 x 600 @ 75Hz, 46.9KHz 800 x 600 @ 75Hz, 46.9KHz 800 x 600 @ 72Hz, 48.1KHz 800 x 600 @ 72Hz, 48.1KHz 800 x 600 @ 85Hz, 53.7KHz 800 x 600 @ 85Hz, 53.7KHz Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 28 White Balance White & Black Pattern The screen must have the pure Figure 9 white and black pattern, no other color. Fine Line Morie Pattern (Figure1) Gray Scale Pattern (Figure2) Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 29 Horizontal & Vertical Thickness Pattern (Figure 3) R. Color Pattern (Figure 4) G. Color Pattern (Figure5) B. Color Pattern (Figure 6) Full White Patter (Figure 7) Dark Screen Pattern (Figure 8) Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 30 Test Pattern: Burn In Mode (Refer to Chapter III-3. Hot Keys for Function Controls) - Make sure the F/W is the latest version. 1.5.4 DDC Test Pattern: EDID program - Make sure it can pass test program. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 31 - If not, please return the unit to repair area. 1.5.9 Screen Uniformity and Flicker Test Signal: 1280*1024@60Hz Test Pattern: Full White Pattern - Check and see if it is in normal condition. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 32 But we still have to check with the general test pattern to make sure every secondary is compliant with the specification. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 33 When you receive the returned monitor, please check whether the firmware version is the latest. If not, please do the following procedures to upgrade it to the latest version. 2.1 Equipment Needed - VG712s/b Monitor - Fixture for Firmware Upgrade - Power Adapter (P/N: 47.58201.001) *1 for Fixture - VGA Cable (P/N: 42.59901.003) *1(Pin 4, 11 should be connected to GND)
  • Page 34 Printer Port VG712S Fixture Power Adapter for Fixture LPT Cable VGA Cable (P/N: 47.58201.001) (P/N: 42.59906.001) (P/N: 42.59901.003) 2.2 Setup Procedure 2.2.1 Connect P2 of Fixture with printer port of PC by LPT Cable. 2.2.2 Connect P1 of Fixture with VG712 Monitor by VGA Cable.
  • Page 35 2.2.6 Install GProbe Program by selecting and clicking Gprobe icon. Press “Yes” or “Next” buttons until the installation is complete. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 36 Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 37 Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 38 Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 39 Step 2. Save these three files<bdisp.txt>, <p204_205.bin> and <712AV_V2_65.bin> in a hard disk (better in a root directory, e.g. C:\ or D:\ ). Step 3. Open <bdisp.txt> file. Key in the path where you save the driver <p204_205.bin> and firmware <712AV_V2_65.bin >. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 40 Step 4. Execute Gprobe program. Step 5. Click Connection Setup icon. Select Protocol: DDC 2Bi3, Port: LPT1 (0x378), Speed: 70000. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 41 If the test result shows “passed,” it means the connection is well. If not (failed), it means the connection has problems. Then you need to check the setup procedure or reboot the PC, or simply use another PC to do the firmware upgrade. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 42 Step 7. Key in “batch C:\VG712\bdisp.txt” after “Gprobe:”, and then press “Enter” key to begin programming. Step 8. The successful picture is as follows: Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 43 Step 9. Unplug and replug power cord of VG712s/b and then enter “Burn In Mode” (Refer to Chapter III-3. Hot Keys for Function Controls). Check if the version of BIOS is correct. Step 10. At last, do “All Mode Reset.”...
  • Page 44 “Error executing batch file at line 16” (see the following picture). Then you have to copy line 16 “FLASHWRITE C:\VG712\712AV_V2_65.bin” in the “bdisp.txt” file to “Gprobe:>” in the Gprobe program, and then press “Enter” (see the picture next page). Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 45 Test passed. Test passed. Test passed. Erasing FLASH... Done. Writing FLASH... Writing FLASH... FAILED. Error executing batch file at line 16. Execution time: 9.61s GProbe:> Line 16 Line 16 Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 46 If the firmware upgrade still fails, reboot the PC, or simply use another PC to upgrade. If the above procedures don’t work, unplug and re-plug the power cord of VG712s/b. Then try to upgrade the firmware again if VG712 can be powered on.
  • Page 47 - DDC Key In Program - One additional monitor for checking the program execution JP3 must be closed COM1: RS232 Cable V3 Fixture VG712S RS-232 Cable DVI-DVI Cable Power Adapter for Fixture (P/N: 42.55907.001) (P/N: 42.56108.012) (P/N: 47.57702.001) Barcode Reader VGA Cable (P/N: 42.59901.003)
  • Page 48 3.2 Setup Procedure 3.2.1 Connect P2 of Fixture with VGA port of VG712s/b by VGA Cable. 3.2.2 Connect P3 of Fixture with DVI port of VG712s/b by DVI-DVI Cable. 3.2.3 Connect P1 of Fixture with COM1 of PC by RS-232 Cable.
  • Page 49 3.3 DDC Key In Procedure Step 1. Select and execute DDC Key In program. Step 2. Select “W/w - writing mode.” Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 50 Notice: The English of the serial number should be capital letters. Step 4. The successful picture is as follows. “The checksum values will appear after DDC is upgraded successfully in both VGA and DFP (DVI) modes.” Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 51 - Use the barcode reader to scan the barcode of the monitor, or manually key in the serial number. If the DDC is correct, the “Send VGA” and “Send DFP” will show “Check Pass!” message. Confidential - Do Not Copy ViewSonic Corporation VG712s/b...

  • Page 52: Trouble Shooting Flow Chart

    Moreover, you can get the appropriate operation to solve some complicated problems of component repairing and professional problems. 1. Equipment Needed - VG712s/b Monitor - Philips Screw Driver #101 and #107 - Electronic Hex Nut M5 mm - PC (Personal Computer) with SXGA resolution and sound card / Pattern Generator 2.
  • Page 53 2.1 A. Power Circuit Troubleshooting 2.2 B. Performance Troubleshooting Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 54 Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 55 1. Make sure VGA cable connected to PC directly, not via anything like “Data transfer” or “Distribution” … … After this action if Ghost image disappears, go to “Yes”; else, go to “No.” 2. Check the compatibility on the computer. If it is compatibility problem, feedback the information to ViewSonic; else, go to “No.”...

  • Page 56: Recommended Spare Parts List

    ViewSonic P/N Ref. P/N Location Q'ty Accessories: 1.8M+0.1M COLOR CS-VS08 China A-PC-0106-0187 42.50126.001 POWER CORD Documentation: WARRANTY CARD S. CHINESE SECOND VERSION VIEWSONIC M-MS-0808-8773 36.58307.002 WARRANTY WARRANTY STICKER S. CHINESE M-LB-0813-0737 36.58308.001 WARRANTY SHIPPING WARRANTY STICKER S. CHINESE VIEWSONIC M-LB-0813-0739 36.58309.001...
  • Page 57 ViewSonic P/N Ref. P/N Location Q'ty Accessories: 1.8M+0.1M COLOR CS-VS08 China A-PC-0106-0187 42.50126.001 POWER CORD Documentation: WARRANTY CARD S. CHINESE SECOND VERSION VIEWSONIC M-MS-0808-8773 36.58307.002 WARRANTY WARRANTY STICKER S. CHINESE M-LB-0813-0737 36.58308.001 WARRANTY SHIPPING WARRANTY STICKER S. CHINESE VIEWSONIC M-LB-0813-0739 36.58309.001...
  • Page 58 BOM LIST (VG712b-1) ViewSonic Model Number: VLCDS23719 Rev: 1a Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty M-LB-0813-1016 35.00010.002 LABEL CAUTION HIGH VOLTAGE 25.4*19mm CAUTION LABEL M-LB-0813-0736 35.58304.001 LABEL BARCODE 40*14 ViewSonic BARCODE LABEL M-LB-0813-0781 35.61203.001 LABEL BAR CODE 50*25mm VP191...
  • Page 59 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty #N/A 01.33116.501 RES RP 330 1% 1/16W CHIP #0603 R28,R29,R3,R4,R8 #N/A 01.33336.501 RES RP 33K 5% 1/16W CHIP #0603 #N/A 01.47236.501 RES RP 4.7K 5% 1/16W CHIP #0603 R13,R14 #N/A 01.56236.501...
  • Page 60 FW BIOS SOURCE CODE "GM5120 AU-EG01V0" #N/A 35.00017.001 LABEL BIOS 13*11mm BLANK #N/A 35.00018.001 LABEL BARCODE 13*26.5mm BLANK #N/A 35.59907.001 LABEL SPEC ASIC 13*11mm BLANK For VIEWSONIC #N/A 61.00039.001 EYELET BR f 3*4.0 #N/A 61.59901.001 SHIELDING PLATE DVI T-PLATE 0.3t B-CB-0206-0165 80.62702.001...
  • Page 61 61.62701.001 LCD BRKT SECC 1.0t VG710s PANEL BRACKET M-BK-0805-0022 61.62702.001 SHIELDING BRKT-MB SECC 1.0t VG710s MB BRACKET C-FP-0301-1037 51.62701.003 FRONT COVER ABS HB-CR VG712s FRONT COVER PL-BT-0706-0149 51.62704.001 SELECT BUTTON ABS HB-Cr VG710s M-MS-0808-8973 51.62705.001 LED LENS PMMA VG710s C-BC-0302-0541 51.62702.001...
  • Page 62 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty R124,R125,R126,R40,R41,R5 #N/A 01.33036.502 RES RP 33 5% 1/16W CHIP #0603;"TA-I TECHNOL 2,R53 #N/A 01.33116.501 RES RP 330 1% 1/16W CHIP #0603 R28,R29,R3,R4,R8 #N/A 01.33336.501 RES RP 33K 5% 1/16W CHIP #0603 #N/A 01.47236.501...
  • Page 63 0.031 #N/A 58.62701.001 WOOD PALLET 1125*950*130 VG710s 0.031 M-LB-0813-0706 35.58203.001 LABEL CARTON 76*76mm A-CD-VG712S 36.62701.007 USER GUIDE+CD VG712s TCO'03 USER GUIDE A-VC-0101-0261 42.59901.003 CABLE VGA 15P 1800mm 2*25mm CORE VGA CABLE A-AU-0120-0032 42.59903.001 CABLE AUDIO 1.8M LM/BK/LM VX2000 AUDIO CABLE M-MS-0808-9642 51.62710.001...

  • Page 64: Exploded Diagram And Spare Parts List

    8. Exploded Diagram And Spare Parts List Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 65 EXPLODED PARTS LIST (VG712b-1) ViewSonic Model Number: VLCDS23719 Rev: 1a Item ViewSonic P/N Ref. P/N Description Q'ty M-MS-0808-8973 51.62705.001 LED LENS PMMA VG710s M-MS-0808-8948 35.62704.001 ViewSonic AL-LOGO E015-016-1 ViewSonic PL-BT-0706-0149 51.62704.001 SELECT BUTTON ABS HB-Cr VG710s B-CB-0206-0165 80.62702.001 PCBA CTRL BD VG710 E-SK-0412-0080 49.62701.001...
  • Page 66 SPEAKER 3W FOR VG710 M-SCW-0824-6756 85.TA123.080 SCREW CAP TAP M3*8 Ni M-MS-0808-8946 35.62702.001 BIRD LOGO AL E015-006 VG710s C-FP-0301-1037 51.62701.003 FRONT COVER ABS HB-CR VG712s M-LCD-0826-0256 48.62701.004 TFT LCD 17" AUO M170EG01 V.0 M-SCW-0824-0651 85.1F123.060 SCREW PAN MECH W/SF M3*6 Ni M-BK-0805-0021 61.62701.001 LCD BRKT SECC 1.0t VG710s...
  • Page 67 PE BAG LDPE 450*700*0.07t W/HOLE VG710 E-00000214 DC.62701.013 D.C. VG712b;AUO TWO-TONE TCO99 M-LB-0830-0733 35.62701.005 LABEL SPEC 120*50mm VG712b TCO99 M-LB-0813-0736 35.58304.001 LABEL BARCODE 40*14 ViewSonic A-CD-VG712B 36.62701.008 USER GUIDE+CD VG712b TCO'99 A-PC-0106-0270 42.57207.001 CABLE POWER CORD 1.8M±0.1M UNSHIELD (NA) P-FM-0602-0818 56.62701.001...

  • Page 68: Block Diagram

    FLASH MEMO RY A/D BUS Pm39LV010R DDC_II C EEPROM LVDS RA/GA/BA[0~7] PANEL INPUT TMDS DVS/DHS/DEN/DCLK LVDS Singal ASIC LG 17 " RB/GB/BB[0~7] R/G/B AUO 17" GM512 0 D_SUB HS/VS INPUT DDC_II C BLON EEPROM INVERTER EEPROM 24LC16B XTAL VOLU ME AUDIO 16 ohm 14.318MH z...

  • Page 69: Schematic Diagrams

    C154 2 HEADER 1000uF/10V 0.1uF 0.1uF 0.1uF 2N3904 100uF/10V NC/0.1uF PNL_EN 0.1uF 74LVC14 2N3904 NC/0.1uF +3.3VD Title POWER R112 Size Document Number 0.1uF 10K /NC GM5120 Date: Sheet Thursday, July 10, 2003 Confidential - Do Not Copy VG712s/b ViewSonic Corporation...
  • Page 70 SCL_IN2 DDCSDA2 R123 PCB2421A 0.1uF R122 R110 C192 74LVC14 74LVC14 47pF Title INPUT CONNECTOR 74LVC14 74LVC14 Size Document Number 2.2K 2.2K 47pF 47pF 47pF GM5120 Date: Thursd ay, July 10, 2003 Sheet Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 71 TXD 3 UART_D1 C110 C111 GND 4 0.1uF 5.6K 0.1UF 0.1UF C112 1UF/0805 C114 Title Gensis Chip (Scaler) ASIC 10uF/16V /NC Size Document Number GM5120 Date: Thu rsday, July 10, 2003 Sheet Confidential - Do Not Copy VG712s/b ViewSonic Corporation...
  • Page 72 0.1 uF JP16 AAINL1 AUGN D AAIN R1 AUGN D OUT _R- OUT_L + Titl e AUDIO OUT_L- OUT_R+ Size Document Number GM5120 2*4 (BD/BD)F emale Date: Thursday, July 10, 2003 Sheet Confidential - Do Not Copy VG712s/b ViewSonic Corporation...
  • Page 73 CP12 RP21 RP25 RP29 DGO3 DBE3 DRE3 DGO2 DBE2 DRE2 DGO1 DBE1 DRE1 DGO0 DBE0 DRE0 R-PACK4 R-PACK4 R-PACK4 Title OUTPUT INTERFACE Size Document Number GM5120 Date: Sheet Thursday, July 10, 2003 Confidential - Do Not Copy VG712s/b ViewSonic Corporation...
  • Page 74 TxIN23 /PWRDWN +3.3VL DCLKA Fujitsu_PD TxCLKIN TxIN24 TxIN26 +3.3VL TxIN25 DS90CF383 +3.3VL Title LVDS & OUTPUT CONNECTOR LVDSON Size Document Number C167 C168 GM5120 100pF 100pF Date: Thursday, July 10, 2003 Sheet Confidential - Do Not Copy VG712s/b ViewSonic Corporation...

  • Page 75: Pcb Layout Diagrams

    11. PCB Layout Diagrams Confidential - Do Not Copy ViewSonic Corporation VG712s/b...
  • Page 76 We would appreciate your completion of the Assessment Matrix below, for return to ViewSonic Corporation Assessment A.What do you think about the content after reading VG712s/b Service Manual? t i n e l l Precautions And Safety Notices 2.

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