ViewSonic VE910 User Manual Download

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Model No.

VS10715

”

Color

TFT LCD Display

Service Manual

ViewSonic VE910/b

ViewSonic

381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

(VE910_SM Rev. 1a Jun. 2005)

Summary of Contents for VE910

Page 1: ...Model No VS10715 19 Color TFT LCD Display Service Manual ViewSonic VE910 b ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 VE910_SM Rev 1a Jun 2005...

Page 2: ...f and specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise this publication and to make changes from time to time...

Page 3: ...oubleshooting Flow Chart 9 Block Diagram 10 Schematic Diagrams 7 Recommended Spare Parts List 1 Precautions and Safety Notices 5 Adjustment Procedure 8 Exploded Diagram and Exploded Parts List 11 PCB...

Page 4: ...ause of the high voltage used in the inverter circuit the voltage is exposed in such areas as the associated transformer circuits 4 LCD Module Handling Precautions 4 1 Handling Precautions 1 Since fro...

Page 5: ...e LCD contains a small amount of mercury Please follow local ordinances or regulations for disposal 13 The LCD module contains a small amount of materials having no flammability grade The LCD module s...

Page 6: ...l or the front cover of the monitor Do not touch the surface of the polarizer Surface of the LCD panel is pressed by fingers and that may cause Mura Take out the monitor with cushions Taking out the m...

Page 7: ...nd soft foam pad Placing the monitor on foreign objects That could scratch the surface of the panel or cause Mura The panel is placed facedown on the lap That may cause Mura 4 ViewSonic Corporation Co...

Page 8: ...resolution 1280 x 1024 the vertical Refresh rate up to 75 Hz for there rest Resolutions the vertical refresh rate up To 85Hz Maximum Pixel Clock 135 MHz Sync Polarity Independent of sync polarity Tim...

Page 9: ...t Max Brightness Max 270 cd m2 typ after 30 minute warm up 215 cd m2 minimum after 30 minute warm up Brightness Uniformity L5 Max 1 3 L5 Maximum Luminance Minimum Luminance Contrast Ratio 550 1 typ 35...

Page 10: ...control screen Power On Off Displays the control screen for the highlighted control Also toggles between two controls on some screens Also a shortcut to Auto Image Adjust Power light Green ON Orange...

Page 11: ...ptimize your display Adjust your computer s graphic card so that it outputs a video signal 1280 x 1024 60 Hz to the LCDdislay Look for instructions on changing the refresh rate in your graphic card s...

Page 12: ...ust provides several color options preset color temperatures and User which allows you to adjust red R green G and blue B The factory setting for this product is 6500K 6500 Kelvin 6500K Adds red to th...

Page 13: ...LCD dislay H V Position adjusts horizontal and vertical position of the screen image You can toggle between Horizontal and Vertical by pressing button 2 Horizontal moves the screen image to the left o...

Page 14: ...The Setup Menu controls are explained below OSD Position allows you to move the on screen display menus and control screens OSD Timeout sets the length of time an on screen display screen is displaye...

Page 15: ...ftware applications or the Windows desktop OSD Short Cut Key Function Key 5 Keys 1 2 1 Main Menu 2 Auto Image Adjust or to immediately activate Contrast menu It should be change to Brightness OSD by p...

Page 16: ...a monitor controller system1 The oversampling ADC samples the input RGB signals at a frequency that is much higher than the signal source pixel rate This can preserve details in the video signal that...

Page 17: ...DS Differential Clock Output 35 LVB0M Output B Link Negative LVDS Differential Data Output 52 LVB0P Output B Link Positive LVDS Differential Data Output 51 LVB1M Output B Link Negative LVDS Differenti...

Page 18: ...right c 2004 MStar Semiconductor Inc All rights reserved Absolute Maximum Ratings Parameter Symbol Min Typ Max Units 3 3V Supply Voltages VVDD_33 0 3 3 6 V 1 8V Supply Voltages VVDD_18 0 3 1 98 V Inpu...

Page 19: ...n drain pin It can sink at least 4mA current when output is at low level and drives at least 4mA current for 160nS when output transits from low to high then keeps driving at 120 uA to maintain the pi...

Page 20: ...iming 1 640 x 350 70Hz 31 5kHz 2 640 x 400 60Hz 31 5kHz 3 640 x 400 70Hz 31 5kHz 4 640 x 480 50Hz 24 7kHz 5 640 x 480 60Hz 31 5kHz 6 640 x 480 67Hz 35 0kHz 7 640 x 480 72Hz 37 9kHz 8 640 x 480 75Hz 37...

Page 21: ...or Performance RGB Color Intensities Contrast of each R G B color should be normal Figure 4 5 6 5 Screen Uniformity Flicker Full White Should be compliant with the spec Figure 7 6 Dead Pixel Line Whit...

Page 22: ...s for Function Controls first This action will allow you to erase all end user s settings and restore the factory defaults 1 5 2 Auto Image Adjust Please select and enter Auto Image Adjust function on...

Page 23: ...280 1024 60Hz Test Pattern Horizontal Vertical Line Thickness Pattern Check and see if the image boundary is within the screen frame If not readjust by the following steps a Select and enter Manual Im...

Page 24: ...or to 5400K press key x 0 332 0 02 y 0 348 0 02 7 Press key go back to Fig 2 Then press key return to Fig 1 Power key OFF ON quit factory mode G Color Temperature Luminance Verify BRIGHTNESS MAX CONTR...

Page 25: ...0Hz 800 600 60HZ 70HZ 75HZ 832 624 75Hz 1024 768 60HZ 70HZ 75HZ 1280 1024 60 75Hz Normally when the primary mode 1280 1024 60Hz is well adjusted and compliant with the specification the secondary disp...

Page 26: ...following procedures to upgrade it to the latest version 2 1 Equipment Needed VE910 Monitor Fixture for Firmware Upgrade VGA Cable PC Personal Computer LPT Cable Firmware Upgrade Program One additiona...

Page 27: ...f Fixture with Q190mb Monitor by VGA Cable 2 2 4 Connect Power Cord to Q190mb Monitor 2 2 5 Connect PC to the additional monitor 2 3 ISP Download program procedure 2 3 1 Hardware Connect status 2 3 2...

Page 28: ...MCU It need to be selected the MTV512MV64 for this project Then press the Creat Security File Button to enter step 3 Step 3 Creat Security File Enter the three string into the blank like fig 2 Then pr...

Page 29: ...ss the Load MCU File button to select the file will be download hex Step 5 Run Pressing the Run Button to start download program Press OK button to Enter ISP mode 26 ViewSonic Corporation Confidential...

Page 30: ...een ISP status and Monitor Turn off the power of monitor AC plug off and disconnect the D Sub connector To connect the D Sub connector and then turn on the power of monitor AC plug on If the test resu...

Page 31: ...DC key in 2 If you find the DDC does not conform to the monitor you have to do the DDC key in 3 1 Equipment Needed VE910 Monitor DDC Card PC RS232 cable Barcode Reader VGA Cable VE910 DDC Card PC RS 2...

Page 32: ...d port 3 2 3 Connect RS 232 Cable and VE910 with VGA Cable when key in DVI DDC information use VGA transform to DVI port 3 2 4 Connect Power Cord to VE910 Monitor 3 3 DDC Key In Procedure 3 3 1 Run DD...

Page 33: ...ar the PIC choose DDC Card Press ALT 2 Enter DDC 2B test interface 3 3 4 Press F8 to choose corresponding model DAT VE910 DAT press ENTER key Choose DDC Card 30 ViewSonic Corporation Confidential Do N...

Page 34: ...ress F9 enter the download interface 3 3 6 Key in the serial number or use the barcode reader to scan the barcode of the monitor and press ENTER key 31 ViewSonic Corporation Confidential Do Not Copy V...

Page 35: ...ssful picture is as follows Compare EDID OK Press any key to continue 3 3 8 Let VE910 active then see the information in OSD it shows Serial NO PPZ0517A3178 32 ViewSonic Corporation Confidential Do No...

Page 36: ...ViewSonic EDID Editor Connect the VE910 to PC with VGA Cable Excute the EDID Editor then Press Ctrl F5 If the DDC is correct you can see the information as follow 33 ViewSonic Corporation Confidential...

Page 37: ...R BOARD OK CHECK I102 AND SUROUND CAP OK N CHECK I104 SUROUND CAP BEAD OK CHECK I104 3 3V SUROUND CAP OK N CHECK I103 SUROUND CAP BEAD OK CHECK I103 1 8V SUROUND CAP OK N 6 Troubleshooting Flow Chart...

Page 38: ...T901 T902 Y MAIN BOARD 5V 12V CHECK VCC5V OK CHECK PIN40 D807 I801 I801 3 3 V N CHECK OK CHECK PIN18 OK D807 I801 I801 CHECK PIN14 PIN15 CLOCK OK Y CHECK D109 D110 D112 Y CHECK X101 C126 C127 OK Y CHE...

Page 39: ...I101 Check HS VS SCL SDA Check N Check N N I105 SCL SDA I102 SCL SDA HWRESET Check BACKLITE Check Q102 Check N Check N N PANEL P102 WIRE I101 Some bits lost Check Pin102 128 Y I108 or R pack solderin...

Page 40: ...BLACK A PC 0106 0121 2427130046 P951 1 2 PCB ASS Y B 00003003 2701135600 3 PCB CON B 00003004 2702235600 4 PCB POWER B 00003005 2702335600 5 PCB ASS Y BLOCK N A Bare Board 6201 7998908101 6 PCB ASS Y...

Page 41: ...ABEL 6P05 1 35 DC 00001586 2055613435 LABEL VIEWSONIC INSET PAGE 1280 1024 6P06 1 36 M LB 0813 0856 2055613379 LABEL ViewSonic CONTAINER LABEL 6P11 1 48 37 M LB 0813 0530 2055617101 LABEL 10 20 HI POT...

Page 42: ...03891 LED LED 3f GRN YEL D701 1 95 N A 2368501800 RECT BRIDGE 2KBP06M 2A 600V PEC D801 1 96 N A 2363231995 DIODE RECT UF4007 PEC D806 RA 1 97 N A 2363223195 DIODE RECT UF4007 GS D806 RB 1 98 N A 23632...

Page 43: ...FAIRCHILD Q103 RC Q104 RC 2 152 E Q 0402 1375 2360100396 XISTOR PNP R SMD MMBT3906 7 SOT 23 VISHAY Q103 RD Q104 RD 2 153 N A 2360100896 XISTOR PNP R SMD MMBT3906LT1 SOT 23 ON Q103 RE Q104 RE 2 154 N...

Page 44: ...1 4WS 270 00 J T52 MINI R913 R917 2 200 N A 2239245305 RES PRE 1 4 S RN 1 4WS 453 ohm F T R914 1 201 N A 2239278705 RES PRE 1 4 S RN 1 4WS 787 ohm F T R919 R920 R936 R937 4 202 E R 0405 6218 223345129...

Page 45: ...X5 12 19 1 2 3 4 V901 14 NOTE 1 15 X4 18 X2 18 X2 X4 X2 6 I O Cable 7 10 8 9 X2 NOTE 1 FIG 1 NOTE 2 NOTE 2 5 X2 5 X2 16 20 X2 25 25 X2 17 13 6 6 11 26 42 ViewSonic Corporation Confidential Do Not Cop...

Page 46: ...GRAY 1 13 HW 00003031 2071872900 BRACKET FIX JT198QP SECC 0 8T WALL MOUNT 1 14 HW 00003032 2106657000 HINGE VE910 5 20 90 1 15 M SCW 0824 0851 2082340072 SCREW CSK SCREW CSK M4 7 4 16 M SCW 0824 0123...

Page 47: ...igure 2 1 3 Put the cushions on the monitor Figure 3 1 4 Place the monitor into the carton and then put all the accessories into the carton At last close the carton and seal it with tape Figure 4 Figu...

Page 48: ...dure 1 Disassembly of Stand unit from Monitor 1 1 Remove two Hinge Cover 1 2 Unscrew four screws that secure Stand Unit 1 3 Detach Stand Unit from the monitor 45 ViewSonic Corporation Confidential Do...

Page 49: ...ssembly of Front Cover and Rear Cover 2 1 Unscrew two screws that secure Rear Cover to remove Front Cover 2 2 Unscrew 2 screws to remove Rear Cover 46 ViewSonic Corporation Confidential Do Not Copy VE...

Page 50: ...Hinge 3 2 Unscrew 2 screws to remove Shielding Plate 3 3 Unscrew 2 screws and disconnect the connector to remove VGA Cable 3 4 Unscrew 7 screws and disconnect the wires to remove Main Board Hinge Shi...

Page 51: ...ay Panel Unit facedown and unscrew 4 screws on its right and left sides to remove Panel Unit and Keypad Board Panel Bracket Keypad Board Panel Unit 48 ViewSonic Corporation Confidential Do Not Copy VE...

Page 52: ...3V I104 SCALAR 1 8V I101 Y VGA D SUB R G B INPUT P101 MCU 3 3VMCU D109 D110 D11 2 H V SYNC I103 D919 D910 Q901 SCL SDA SYNC R111 R113 I102 DDC VGA5V OSC X101 EEPROM I105 INPUT SW power supply I801 X10...

Page 53: ...6 VCC_3v3 I103 AP1117T18 3 2 1 VI VO GND R139 1w1ohm C148 NC C145 NC C141 100uF 16V C144 100uF 16V I104 AP1084T33 3 2 1 VI VO GND VCC_3v3 3 4 6 VCC_1v8 4 10 Schematic Diagrams VE910 10 1 DC DC 50 View...

Page 54: ...0 047uF R105 47 Z103 5 6V D105 1N4148 R102 75 R110 2 2K R107 47 C105 0 047uF R109 47 R111 75 D101 1N4148 P101 JST PH13P 2 0 90 1 2 3 4 5 6 7 8 9 10 11 12 13 DDC SCL DDC SDA VGA VS VGA HS GND 5V B GND...

Page 55: ...42 43 44 45 46 47 48 49 50 51 52 3 4 20 35 34 33 2 1 54 32 RINP GINP SOGIN0 BINP RINM GINM BINM HSYNC VSYNC REXT REFP REFM ALE WRZ RDZ HWRESET INT PWM0 PWM1 LVACKM AVDD VDDP VDDP VDDC GND GND GND GND...

Page 56: ...LVBCKM PB3 LVA3M PA1 PB 0 9 LVB1M PB7 LVA1M PA7 PA 0 9 4 PB 0 9 4 onPANEL 6 VCC5V VLCD VLCD Q102 AP2305 C136 1u 50V D111 NC P102 BL106 30RL A 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 1...

Page 57: ...7 8 R177 NC RP02 10K 1 2 3 4 5 6 7 8 C131 NC C132 NC RP06 2K7 1 2 3 4 5 6 7 8 I102 CS8954 PDIP40 1 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 25 26 27 28 32 33 34 35 36 9 10 11 12 13 14 15 16 37 38 39 40 3...

Page 58: ...1 2 S705 SW 1 2 S701 SW 1 2 P701 JST PH8P 2 0 180 8 7 6 5 4 3 2 1 LCD_ONOFF LED_AMBER LED_GREEN GND MENU UP DOWN 2_SELECT S702 SW 1 2 D701 LED 2 3 1 S704 SW 1 2 10 6 KEY PAD 55 ViewSonic Corporation C...

Page 59: ...R831 91K 1 C826 4700PF DIP L801 BEAD C811 1000P DIP D808 27V 3 3V 22 2V 5V R825 11 8K 1 R821 10 1 2W C815 4 7U 50V L808 0 5X3T C809 10uF 50V R809 47R 1206 R823 1K DIP D821 SRF10120 R834 100K 1 4WS C80...

Page 60: ...A VSEN ISEN D913 1N4148 D909 SB140 L901 BEAD R929 51 1K 1 D919 1N4148 AP9977GM Q911 1 2 3 4 5 6 7 8 D902 1N4148 R903 NC D906 1N4148 D901 1N4148 C911 68nF C915 33uF 25V R918 1M R914 681 1 C910 0 1uF C9...

Page 61: ...11 1 MAIN PCB TOP VIEW 11 PCB Layout Diagrams 58 ViewSonic Corporation Confidential Do Not Copy VE910 b...

Page 62: ...11 2 MAIN PCB BOTTOM VIEW 59 ViewSonic Corporation Confidential Do Not Copy VE910 b...

Page 63: ...11 3 KEYPAD PCB TOP VIEW 11 4 KEYPAD PCB BOTTOM VIEW 60 ViewSonic Corporation Confidential Do Not Copy VE910 b...

Page 64: ...ality Systems Processes marc maupin viewsonic com d o o G t n e l l e c x E Precautions and Safety Notices 1 8 Exploded Diagram and Exploded Parts List 7 Recommended Spare Parts List Adjustment Proced...

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