ViewSonic VS10696 User Manual Download

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Model No.

S10696

”

Color

TFT LCD Display

Service Manual

ViewSonic

12/b

-1

ViewSonic

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

(

12/b

Rev. 1

Apr

200

)

Summary of Contents for VS10696

Page 1: ...Model No VS10696 19 Color TFT LCD Display Service Manual ViewSonic VA912 b 1 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 VA912 b_SM Rev 1a Apr 2005 ...

Page 2: ...ly 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 in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes Trademarks ViewSonic is a registered trademark of ViewSonic Corporation All other trademarks used within this d...

Page 3: ...Troubleshooting 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 Spare Parts List 11 PCB Layout Diagrams 1 5 18 24 27 42 47 62 76 78 88 ii ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 4: ...cause 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 front polarizer is easily damaged pay attention not to scratch it 2 Be sure to turn off power supply when connecting or disconnecting input connector 3 Wipe off water drops immediately Long contact with...

Page 5: ...he 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 should be supplied with power that complies with the requirements of Limited Power Source IEC60950 or UL1950 or an exemption should be applied for 14 The LCD module is designed so that the CCFL in it ...

Page 6: ...nt cover of the monitor Do not touch the surface of the polarizer Surface of the panel is pressed by fingers this may cause MURA Take out the monitor with cushion Take out the monitor by grasping the LCD panel That may cause MURA 3 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 7: ...ect 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 4 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 8: ...djust No OSD Control X 1 2 Yes Physical W x H x D mm 424 x 442 x 186 Dimension Package W x H x D mm 480 x 524 x 228 Physical Net kg lb 5 5kg 12 1lb Weight Package Gross Kg lb 8 1kg 17 9lb Temperature 41 95 5 35 Operating Condition Humidity 20 80 Temperature 4 131 20 55 Storage Condition Humidity 20 85 Regulation UL cUL FCC B CB CE NOM TUV GS TUV ERGO covers ISO13406 2 MPRII TCO99 GOST R 20 ORIGINA...

Page 9: ... PC 2001 and Hot Plug Detect DDC YES YES YES YES Audio Cable 1 8m Color black with PC 2001 YES YES YES YES DVI Cable 1 8m color black with PC 2001 NO NO NO NO ViewSonic CD Wizard ViewSonic Quick Start Guide Arabic English Finnish Spanish German Italian Japanese Swedish Polish Korean Portuguese Russian French Simplified Chinese Traditional Chinese Hungary Czech Screen Protector Mylar YES YES YES YE...

Page 10: ...nalog Separate Video Impedance 75 Ohms Analog Maximum PC Video Signal 950 mV with no damage to monitor Maximum Mac Video Signal 1250 mV with no damage to monitor Sync Signals TTL DDC 2B Compliant with Revision 1 3 Sync Compatibility Separate Sync Video Compatibility Shall be compatible with all PC type computers Macintosh computers and after market video cards Resolution Compatibility 640 x 350 64...

Page 11: ...r visible screen artifacts when cycle of AC power is randomly missing at nominal input Power Supply Acoustics The power supply shall not produce audible noise that would be detectable by the user Audible shall defined to be in compliance with ISO 7779 DIN EN27779 1991 Noise measurements of machines acoustics Power Switch noise shall not be considered US Type Power Cable Separate 3 prong NEMA 5 15P...

Page 12: ... 800 x 600 72Hz 48 1kHz Yes 14 800 x 600 85Hz 53 7kHz Yes 15 832 x 624 75Hz 49 7kHz Yes 16 1024 x 768 60Hz 48 4kHz Yes 17 1024 x 768 70Hz 56 5kHz Yes 18 1024 x 768 72Hz 58 1kHz Yes 19 1024 x 768 75Hz 60 0kHz Yes 20 1024 x 768 85Hz 68 67kHz Yes 21 1152 x 870 75Hz 68 7kHz Yes 22 1280 x 1024 60Hz 63 4kHz Yes 23 1280 x 1024 75Hz 79 97kHz Yes 24 1280x 720 60Hz 45kHz HDTV Yes Note 1 When Vertical freque...

Page 13: ...hysical W x H x D mm 424 x 442 x 186 Dimension Package W x H x D mm 480 x 524 x 228 Physical Net kg lb 5 5kg 12 1lb Weight Package Gross Kg lb 8 1kg 17 9lb Temperature 41 95 5 35 Operating Condition Humidity 20 80 Temperature 4 131 20 55 Storage Condition Humidity 20 85 Regulation UL cUL FCC B CB CE NOM TUV GS TUV ERGO covers ISO13406 2 MPRII TCO99 GOST R 20 ORIGINAL COPIES HYGIENIC SASO PCBC VCCI...

Page 14: ...S YES YES YES Audio Cable 1 8m Color black with PC 2001 YES YES YES YES DVI Cable 1 8m color black with PC 2001 NO NO NO NO ViewSonic CD Wizard ViewSonic Quick Start Guide Arabic English Finnish Spanish German Italian Japanese Swedish Polish Korean Portuguese Russian French Simplified Chinese Traditional Chinese Hungary Czech Screen Protector Mylar YES YES YES YES Warranty Sticker NO NO YES Chines...

Page 15: ...alog Separate 2 TMDS Digital Video Impedance 75 Ohms Analog 100 Ohms Digital Maximum PC Video Signal 950 mV with no damage to monitor Maximum Mac Video Signal 1250 mV with no damage to monitor Sync Signals TTL DDC 2B Compliant with Revision 1 3 Sync Compatibility Separate Sync Video Compatibility Shall be compatible with all PC type computers Macintosh computers and after market video cards Resolu...

Page 16: ... visible screen artifacts when cycle of AC power is randomly missing at nominal input Power Supply Acoustics The power supply shall not produce audible noise that would be detectable by the user Audible shall defined to be in compliance with ISO 7779 DIN EN27779 1991 Noise measurements of machines acoustics Power Switch noise shall not be considered US Type Power Cable Separate 3 prong NEMA 5 15P ...

Page 17: ... 72Hz 48 1kHz Yes Yes 14 800 x 600 85Hz 53 7kHz Yes Yes 15 832 x 624 75Hz 49 7kHz Yes Yes 16 1024 x 768 60Hz 48 4kHz Yes Yes 17 1024 x 768 70Hz 56 5kHz Yes Yes 18 1024 x 768 72Hz 58 1kHz Yes Yes 19 1024 x 768 75Hz 60 0kHz Yes Yes 20 1024 x 768 85Hz 68 67kHz Yes Yes 21 1152 x 870 75Hz 68 7kHz Yes Yes 22 1280 x 1024 60Hz 63 4kHz Yes Yes 23 1280 x 1024 75Hz 79 97kHz Yes No 24 1280x 720 60Hz 45kHz HDT...

Page 18: ...log Separate Video Impedance 75 Ohms Analog Maximum PC Video Signal 950 mV with no damage to monitor Maximum Mac Video Signal 1250 mV with no damage to monitor Sync Signals TTL DDC 2B Compliant with Revision 1 3 Sync Compatibility Separate Sync Video Compatibility Shall be compatible with all PC type computers Macintosh computers and after market video cards Resolution Compatibility 640 x 350 640 ...

Page 19: ... without reset or visible screen artifacts when cycle of AC power is randomly missing at nominal input Power Supply Acoustics The power supply shall not produce audible noise that would be detectable by the user Audible shall defined to be in compliance with ISO 7779 DIN EN27779 1991 Noise measurements of machines acoustics Power Switch noise shall not be considered US Type Power Cable Separate 3 ...

Page 20: ...z 48 1kHz Yes 15 800 x 600 85Hz 53 7kHz Yes 16 832 x 624 75Hz 49 7kHz Yes 17 1024 x 768 60Hz 48 4kHz Yes 18 1024 x 768 70Hz 56 5kHz Yes 19 1024 x 768 72Hz 58 1kHz Yes 20 1024 x 768 75Hz 60 0kHz Yes 21 1024 x 768 85Hz 68 67kHz Yes 22 1152 x 870 75Hz 68 7kHz Yes 23 1280 x 1024 60Hz 63 4kHz Yes 24 1280 x 1024 75Hz 79 97kHz Yes 25 1280x 720 60Hz 45kHz HDTV Yes Note 1 When Vertical frequency at 85Hz or...

Page 21: ...n detail Scrolls through menu options and adjusts the displayed control Also a shortcut to display the Contrast adjustment control screen Displays the control screen for the highlighted control Also toggles between two controls on some screens Power light Green ON Orange Power Saving Standby Power On Off Displays the Main Menu or exits the control screen and saves adjustments Audio Mute button tur...

Page 22: ...enu press button 1 twice The following tips may help you optimize your display Adjust your computer s graphic card so that it outputs a video signal 1280 x 1024 60Hz to the LCD display Look for instructions on changing the refresh rate in your graphic card s user guide If necessary make small adjustments using H POSITION and V POSITION until the screen image is completely visible The black border ...

Page 23: ...ich allows you to adjust red R green G and blue B separately The factory setting for this product is 6500K 6500 Kelvin 9300K Adds blue to the screen image for cooler white used in most office settings with fluorescent lighting 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 ...

Page 24: ...A 1280 x 1024 60Hz recommended means that the resolution is 1280 x 1024 and the refresh rate is 60 Hertz Manual Image Adjust Sub menu H Size Horizontal Size adjusts the width of the screen image H V Position Horizontal Vertical Position moves the screen image left or right and up or down Fine Tune sharpens the focus by aligning the text and or graphic characters NOTE Try Auto Image Adjust first Sh...

Page 25: ...ows you to move the on screen display menus and control screens OSD Timeout sets the length of time the on screen display screen is displayed For example with a 30 second setting if a control is not pushed within 30 seconds the display screen disappears 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...

Page 26: ... guide 1 Power Lock 1 OSD Lock 1 Turn off Power on off button 2 Press Power on off at same time 3 Press 1 All Mode Reset It will erase all end users setting and restore the factory defaults Remark All the short cuts function are only available while OSD off Hot Keys for Factory Control 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 pict...

Page 27: ...rs 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 4 Circuit Description 24 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 28: ...ided into thirty two uniform blocks of 4 Kbytes each for data and or code storage The block architecture allows users to flexibly make chip erase or block erase operation The block erase feature allows a particular block to be erased and reprogrammed without affecting the data in other blocks After the device performs chip erase or block erase operation it can be reprogrammed on a byte by byte bas...

Page 29: ...a high degree of flexibility and quality 4 LVDS THC63LVDM83A The THC63LVDM83A transmitter converts 28 bits of CMOS TTL data into LVDS Low Voltage Differential Signaling data stream A phase locked transmit clock is transmitted in parallel with the data streams over a fifth LVDS link The HC63LVDM83A can be programmed for rising edge or falling edge clocks through a dedicated pin The THC63LVDF84A rec...

Page 30: ...Adjust C The LCD monitor will start the Auto Adjust process automatically and run for 10 consecutive seconds during which time you will notice the image change 3 Firmware Test Patten Burn in Model Refer to Chap3 Hot Keys for Function Control Make sure the F W is the latest version 4 DCC Test Patten EDID program Make sure it can pass test program 5 Window Shut Down Test Signal 1280 1024 60Hz Test P...

Page 31: ...0 White Gray Inspection Item Bright Dot Particle Line Defect Mura 9 White Box Test Signal 1280 1024 60Hz Test Pattern 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 28 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 32: ...pection Item Bright Dot Partial Line Defect 13 Blue Test Signal 1280 1024 60Hz Test Pattern Full Screen Green 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 From 0 to 100 White Inspection Item Line Defect Function Defect 29 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 33: ...e Defect Function Defect 16 Block Window Test Signal 1280 1024 60Hz 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 30 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 34: ...tal 64 256 Gray Scale up down From 0 to 100 White Figure 2 3 Black Full Screen Black Figure 3 4 Red Full Screen 50 Red Figure 4 5 Green Full Screen 50 Green Figure 5 6 Blue Full Screen 50 Blue Figure6 7 White Full Screen White Figure7 8 Black_Tile Black Tile Under White Background Figure 8 Figure 1 Figure 2 Figure 4 Figure 3 31 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 35: ...Figure 5 Figure 8 Figure 7 Figure 6 Figure 5 32 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 36: ...n the computer and LCD monitor on B Press the Auto button on monitor keypad to Auto Adjust C The LCD monitor will start the Auto Adjust process automatically and run for 10 consecutive seconds during which time you will notice the image change 3 Firmware Test Patten Burn in Model Refer to Chap3 Hot Keys for Function Control Make sure the F W is the latest version 4 DCC Test Patten EDID program Mak...

Page 37: ...two files kindly see as below a ISPACK EXE Main program b Ancillary ISPACK EXE Description program 1 1 2 Hardware RS232 cable 9 Pin D_Sub cable 15Pin 12V Power supply RS232 to D_Sub transfer BD GProbe4 2 0 3 exe GProbe4 2 0 3_gm5126 exe Monitor Set 12V PC optional RS232 to PC 34 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 38: ...1 1 3 Join R232 monitor cable and adapter Detail see the example picture as below Connect to adapter 12v VGA Cable Connect PC Connect monitor 35 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 39: ...ce the next If the file existence already repeat This system is applied to Win 95 98 NT 2000 1 3 ISP Execution GProbe4 2 0 3 exe GProbe4 2 0 3_gm5126 exe ISP GProbe Gprobe exe Pre txt Readme txt 5126bc14 dev ISP exe Main program Drive write file Drive read file Ancillary file Please copy all the files above to the same directory 36 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 40: ...1 Open ISP Gprobe while parameters set up have been completed 2 You will see the picture as below ISP GProbe 37 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 41: ...he main program Grope 4 Please follow up the parameter set up shown as below Choose the item for parameter link while program execution SERIAL1 COM1 115200 38 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 42: ...5 Select gm5126AA_AB Select gm5126AA_AB 39 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 43: ...xt Input BATCH PRE TXT Input BATCH PRE TXT The system can execute ISP while the words show up If appear line 3 is OK Appear line 2 is Error Please check wiring 40 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 44: ... 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 Key BIOS Rev which you want here This is the BIOS update total spending time 17E1HG3004 41 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 45: ...age Sticking Brightness spot Particle Dot Defect Check Panel No display Check PCB Check Panel Check Wire Noise Check PCB Check Panel Light On Test Completed Next Step Panel Change Should be Performed to Level 3 Repair stage Panel Change AD B Change Panel Change AD B Change Panel Change Abnormal Display TEST N A 6 Troubleshooting Flow Chart 42 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 46: ... abnormal Check PCB Check Panel Flicker Check PCB Check Panel D sub cable change Panel Chan e Should be Performed to Level 3 Repair stage Next Step AD B Change P B Change Panel Change AD B Change Panel Change AD B Change AD B Change AD B Change AD B Change P B Change Panel Change Panel Change Panel Change CNT B Change CNT B Change D sub cable change TEST NG A Completed 43 ViewSonic Corporation Con...

Page 47: ... Step Panel Change Should be Performed to Level 3 Repair stage Unavailable Check PCB Check Wire LED Dark LED Abnormal LED Flicker AD B Change AD B Change AD B Change P B Change P B Change P B Change CNT B Change OSD cable Change OSD cable Change ON OF Abnormal LED display abnormal Abnormal Keyboard TEST NG Completed 44 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 48: ...er tapping Check PCB Check Panel Next Step Panel Change Should be Performed to Level 3 Repair stage AD B Change AD B Change AD B Change P B Change Panel Change CNT B Change P B Change CNT B Change CNT B Change D sub cable change Abnormal BIOS OSD Other Abnormal Display TEST NG Completed 45 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 49: ...isplay Mode l Fuzzy Image Adjust Phase l Image too bright Adjust brightness and contrast by OSD l Image too dark Adjust brightness and contrast by OSD l Irregular image Check the signal connection between the computer and LCD monitor Perform Auto Adjust l Distorted image Reset the LCD monitor Take off extra accessories such as signal extension cord l Image is not centered Use OSD Image Menu to adj...

Page 50: ...g C 00002369 40 D000242 1 15 Audio Cable A150X2 18AWG 180cm Black JCE CB 00000544 32F2818004 AUDIO 1 16 DVI CABLE DVI D M TO DVI D M S L 1 8M W 2F JCE BLACK CB 00002083 32F0000004 DVI 1 17 FFC_X A190E2 45PIN 60x23mm PITCH 0 5mm CB 00000582 3241902003 1 18 FFC OSD A190E2 H01 15Pin 90mm 14mm Pitch 1 0mm CB 00000583 3241900003 1 19 Monitor Cable A150X2 30AWG 180cm Black JCE CB 00000547 32F3018003 DSU...

Page 51: ...and Seat Assy A190E2 H06 ASSY J91A11H8 Black Fuking C 00002369 40 D000242 1 15 Audio Cable A150X2 18AWG 180cm Black JCE CB 00000544 32F2818004 AUDIO 1 16 FFC_X A190E2 45PIN 60x23mm PITCH 0 5mm CB 00000582 3241902003 1 17 FFC OSD A190E2 H01 15Pin 90mm 14mm Pitch 1 0mm CB 00000583 3241900003 1 18 Monitor Cable A150X2 30AWG 180cm Black JCE CB 00000547 32F3018003 DSUB 1 19 Carton Label Label A190E2 H0...

Page 52: ... H06 ASSY H93828H8 Midnight Gray Fuking C 00002422 40 D000248 1 15 Audio Cable A150X2 18AWG 180cm Black JCE CB 00000544 32F2818004 AUDIO 1 16 DVI CABLE DVI D M TO DVI D M S L 1 8M W 2F JCE BLACK CB 00002083 32F0000004 DVI 1 17 FFC_X A190E2 45PIN 60x23mm PITCH 0 5mm CB 00000582 3241902003 1 18 FFC OSD A190E2 H01 15Pin 90mm 14mm Pitch 1 0mm CB 00000583 3241900003 1 19 Monitor Cable A150X2 30AWG 180c...

Page 53: ...0553 42A9930008 ALL Screw M3 P0 5 4 5 5 2 Steel 12 24 N A 2714000022 ALL DC AC Inverter TWS 444 983 4 8 mA 2900 V Sumida 1 25 M 00000599 44A1913004 ALL Backlight Unit Direct Type W West Lamp A190E2 B L 1 26 B 00002364 35 D000320 ALL PCBA For A190E2 H A190E2 H S 201 05 Rev 02 OSE USI ODM PCBA S 1 27 C 00002366 41A1999106 ALL Cover AD A190E2 SECC t 0 6mm 1 N A PJ0EI26205 AJ0E2H1A26 Olympic 19 ID BOM...

Page 54: ...Bag Protector 570 600 0 13 A190E1 H01 white 1 54 N A 7841599191 ALL Pallet A150X1 T01 Wooden 1150 mmx970 mmx135 mm 0 029 55 N A 7841595111 ALL Corner Protector 50 50 1850 mm 0 118 56 N A 7741999141 ALL Label Pallet Barcode Label 75x40 A190E2 H03 VSC 0 029 57 DC 00002370 77 D000121 ALL Carton Label Label A190E2 H06 76 2 mm 76 2 mm 1 58 N A 7841995111 ALL Separator AA 1130x955x11 A190E1 H01 0 029 59...

Page 55: ...2H1J26 Power Code JIS VCTF 0 75mm2 3C LP54 LS 13J L 1830 50mm Black Linetek 18AWG No Bag 1 A 00002057 32E1818060 AJ0E2H1K26 Power Cord BSI H05VV F 0 75mm2 3C LP 60L LS 60 L 1830 50mm Black 18AWG PSB Mark Linetek No Bag 1 70 A 00000570 271906519H ALL Adaptor AC DC 65W 19V 3 42A UP06511190 08B POTRANS Black Two BC ADAPTOR 1 71 CB 00000547 32F3018003 ALL Monitor Cable A150X2 30AWG 180cm Black JCE DSU...

Page 56: ... A PJ0EFT3G03 ALL Olympic 19 Function BOM D sub Audio Genesis For VSC No 1 19 M 00000591 41A1969107 ALL Metal Frame_Front Assy A190E2 Front 1 20 N A 7341991010 ALL Protector Film _Metal Rear PC t 0 254mm A190E2 1 21 N A 3241902003 ALL FFC_X A190E2 45PIN 60x23mm PITCH 0 5mm 2 22 M 00000559 42A9940007 ALL Stand Off 4 40 11 8 2 23 HW 00000553 42A9930008 ALL Screw M3 P0 5 4 5 5 2 Steel 12 24 N A 27140...

Page 57: ... Resistor SMD 5 0603 1 16W 10 OHM R32 1 57 N A 01056F1231 ALL Chip Resistor SMD 5 0603 1 16W 12K OHM RP32 1 58 N A 01056F1631 ALL Chip Resistor SMD 5 0603 1 16W 16K OHM R62 1 59 N A 01056F0131 ALL Chip Resistor SMD 5 0603 1 16W 1K OHM R13 RP19 RP27 R103 R104 5 60 N A 01056F1051 ALL Chip Resistor SMD 5 0603 1 16W 1M OHM RP45 RP43 2 61 N A 01056F2221 ALL Chip Resistor SMD 5 0603 1 16W 2 2K OHM R101 ...

Page 58: ...50Z2263C1 ALL Chip Capacitor Y5V 1206 20 80 22uF 10V RoHS C57 C59 C64 C66 C68 C70 C8 3 C91 C104 C121 10 92 N A 050Z1066D1 ALL Chip Capacitor MLCC Y5V 1210 10uF 35V 20 80 C45 1 93 N A 060M410441 ALL Chip Capacitor Array X7R 0603 4 20 100nF 16V RoHS CP33 CP34 2 94 N A 070M547602 ALL Aluminum Electrolytic Capacitor SMD 47uF 25V 20 LV470M025E055R 6 3 5 5 CAPXON RoHS CP18 1 95 N A 070M510701 ALL Alumin...

Page 59: ...101741001 ALL IC PWM AT1741 SOP 16 2CH AIMTRON UP1 1 127 N A 210512600P ALL IC Scaler gm5126 PQFP 208 GENESIS U12 1 128 N A 2105VD26AS ALL IC Voltage Detector RN5VD26AA TR SOT 23 5 RICOH U13 1 129 N A 19029C511E ALL Flash Memory S29C51001T 90J 1 Mbit PLCC 32 SyncMOS U15 1 130 N A 210108425O ALL IC Regulator AIC1084 25CM 2 5V 5 0A TO 263 AIC U9 1 131 N A 2101117HAS ALL IC Regulator AZ1117H ADJ ADJ ...

Page 60: ...r NR19E2TGxx0 7 CMC Analog Audio Taiwan CheckSum 00 07 BIS 1 163 C 00002365 40 D000246 ALL Bezel Assy A190E2 H06 ASSY Pantone 877C silver Fuking 1 164 N A 7341311044 ALL Protector Film Panel PET M190E2 1 165 N A 7741519181 ALL Label Bar Code Labe 55 13mm 1 166 DC 00002373 77 D000117 ALL Safety Label A190E2 H06 118 mm 49 mm 1 N A 77 D000268 AJ0E2T1A26 SN Label for A190E2 H06 50 mmx25 mm VSC_VA912 1...

Page 61: ...ea 2 pin Black For VSC 1 N A PJ0EAJF000 AJ0E2T1J26 Olympic 19 Accessory BOM D sub Audio Japan 2 pin Black For VSC 1 N A PJ0EACF000 AJ0E2T1C26 Olympic 19 Accessory BOM D sub Audio China 3 pin Black For VSC 1 N A PJ0EAKF000 AJ0E2T1K26 Olympic 19 Accessory BOM D sub Audio UK HK 3 pin Black For VSC 1 186 CB 00000544 32F2818004 ALL Audio Cable A150X2 18AWG 180cm Black JCE AUDIO 1 A 00000458 32E1818015 ...

Page 62: ... 19 M 00000591 41A1969107 ALL Metal Frame_Front Assy A190E2 Front 1 20 N A 7341991010 ALL Protector Film _Metal Rear PC t 0 254mm A190E2 1 21 N A 3241902003 ALL FFC_X A190E2 45PIN 60x23mm PITCH 0 5mm 2 22 M 00000559 42A9940007 ALL Stand Off 4 40 11 8 2 23 HW 00000553 42A9930008 ALL Screw M3 P0 5 4 5 5 2 Steel 12 24 N A 2714000022 ALL DC AC Inverter TWS 444 983 4 8 mA 2900 V Sumida 1 25 M 00000599 ...

Page 63: ...SC VA912b 1 N A 77 D000258 AJ0E2H1A16 SN Label for A190E2 H06 50 mmx25 mm VSC_VA912b 1 N A 77 D000258 AJ0E2H1E16 SN Label for A190E2 H06 50 mmx25 mm VSC_VA912b N A 77 D000258 AJ0E2H1J16 SN Label for A190E2 H06 50 mmx25 mm VSC_VA912b N A 77 D000258 AJ0E2H1K16 SN Label for A190E2 H06 50 mmx25 mm VSC_VA912b N A 77 D000258 AJ0E2H2A16 SN Label for A190E2 H06 50 mmx25 mm VSC_VA912b N A 77 D000357 AJ0E2H...

Page 64: ...ic 19 Accessory BOM D sub DVI Audio Japan 2 pin Black For VSC 1 N A PJ0EAKG000 AJ0E2H1K16 Olympic 19 Accessory BOM D sub DVI Audio UK HK 3 pin Black For VSC 1 68 CB 00000544 32F2818004 ALL Audio Cable A150X2 18AWG 180cm Black JCE AUDIO 1 A 00000458 32E1818015 AJ0E2H1A16 Power Code UL SVT 18 3C 75 LP 30B LS 13 L 1830 50mm Black Linetek 18AWG No Bag POWER 1 A 00002058 32E1818013 AJ0E2H1C16 Power Cor...

Page 65: ...ASSY B 00002364 35 D000320 AD PCB ASSY Digital B 00002428 35 D000873 AD PCB ASSY Analog 10 CB 00000582 3241902003 FFC 11 CB 00000583 3241900003 OSD FFC 12 B 00000575 34A19K2301 OSD PCB ASSY 13 C 00002366 41A1999106 COVER AD 14 HW 00000553 42A9930008 SCREW M3 4L 15 HW 00000557 42A9930017 SCREW D3 8L 16 M 00000559 42A9940007 STAND OFF C 00002421 40 D000237 REAR ASSY Gray C 00002368 40 D000249 REAR A...

Page 66: ...d Remove 4 screws Step 1 Remove Cover Hinge Step 4 Completed Step 3 Remove Stand Assy Monitor Assembly and Disassembly 1 Separate Stand Assy Remove Stand Cover 63 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 67: ...ezel and Rear Cover apart Step 1 Loose and remove screw Step 2 Separate Bezel hooks to take Bezel and Rear Cover apart Step 3 Remove Rear Cover Step 4 Completed 2 Separate Rear Cover Rear Case Assy 64 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 68: ...3 Remove Power Board 3 1 Remove FFC 3 2 Remove Metal Cover Step 1 Loose and remove 4 screws Step 2 Loose and remove 3 screws 65 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 69: ...3 3 Remove Power PCBA Step 3 Remove the cover hooks of X PCB Step 4 Completed Step 1 Loose and remove 3 screws Step 2 Remove Power PCBA 66 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 70: ...3 4 Change New Power Board Step 3 Completed Step 1 Insert New Power PCBA Step 2 Fasten 3 fixed screws of Power PCBA 67 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 71: ...BA 4 1 Remove FFC Step 1 Remove 2 FFC from AD PCBA Step 2 Remove AD PCBA Step 2 Complete Step 1 Loose and remove 4 screws 4 2 Remove AD PCBA Step 3 Completed 68 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 72: ...5 Change New AD PCBA Step 1 Place New AD PCBA Step 3 Insert 2 FFC Step 2 Fasten and fixed 4 screws of AD PCBA Step 4 Completed 69 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 73: ...etal Cover Assembly Step 1 Join the cover hooks of X PCB Step 4 Insert FFC Step 5 Completed Step 2 Fasten 3 screws Step 3 Loose and remove 4 screws 70 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 74: ...Separate Bezel Assy Step 3 Completed Step 2 Lift up LCD module and remove Bezel Step 1 Loose and remove screws 8 Remove OSD PCBA Step 1 Remove FFC 71 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 75: ...Step 4 Take OSD PCBA apart Step 3 Loose and remove 2 screws Step 5 Completed Step 2 Separate both Audio Cable 72 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 76: ...9 Change New OSD PCBA Step 1 Place New OSD PCBA Step 3 Insert Audit Cable to connectors of OSD PCBA Step 2 Fasten 2 screws Step 4 Completed 73 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 77: ...10 Rear Cover Assy Assembly Step 1 Place Rear Cover Step 2 Join Rear Cover with Bezel Step 4 Place Stand Assy Step 3 Fasten screw 74 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 78: ...Step 5 Fasten 4 screws to fixed Stand Assy Step 6 Insert Cover Hinge Step 7 Completed 75 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 79: ...Analog only OSD Key Pad D sub Analog Video Speaker DC 19V DC DC Main Board Inverter Backlight LCD Module DC 19V 3 3V Signal Audio In Audio Out 9 Block Diagram 76 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 80: ...og Digital OSD Key Pad D sub Analog Video Speaker DC 19V DC DC Main Board Inverter Backlight LCD Module DC 19V DVI D Digital Video 3 3V Signal Audio In Audio Out 77 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 81: ...2 EB2P GMA10 GMA7 ER0P OB0P OR0P ESTH OR1N OG2N OG1N OB1P OR0N OR2N OR1P OG0N OR2P OB1N OSTH OG1P POL OG2P OB2P STB OG0P OB0N OCLKN OCLKP OB2N STV OE CKV XAO GM5126 SCALER VSYNC OG0N OG1P BLUE RX0 OB1P RED OG2P OR0P OG0P OR2P OR0N OR1P OR2N ECLKN EB1N OR1N EB1P EB0P RXC RX2 RED EG2N OG1N RX1 ER2N OB0N EG1P EG1N EG2P EB0N ER2P EG0P ER0N EG0N OCLKN OB0P ER1N RX2 ECLKP ER1P ER0P GREEN EB2N RX1 OCLKP ...

Page 82: ...29 CP29 1 RP5 RP5 RP35 RP35 RP31 RP31 1 RP10 RP10 1 2 RP33 RP33 LP6 LP6 1 2 FP1 FP1 1 RP17 RP17 CP5 CP5 CP28 CP28 CP23 CP23 1 3 2 QP6 QP6 CP3 CP3 1 2 3 QP14 QP14 1 RP12 RP12 LP1 LP1 1 RP7 RP7 CP30 CP30 RP25 RP25 RP19 RP19 RP16 RP16 CP17 CP17 CP11 CP11 1 3 2 QP10 QP10 LP4 LP4 1 3 2 QP18 QP18 1 2 3 QP3 QP3 CP19 CP19 1 3 2 QP5 QP5 RP11 RP11 1 3 2 QP8 QP8 CP20 CP20 LP3 LP3 TP 1 VGH1 VGH1 CP4 CP4 CP14 ...

Page 83: ...C6 C6 1 VOL1 VOL1 R13 R13 C8 C8 1 L 1 L 1 C10 C10 C13 C13 R24 R24 C19 C19 C9 C9 1 R 1 R 1 L2 L2 L4 L4 R15 R15 C18 C18 R1 R1 R20 R20 C1 C1 L1 L1 1 3 2 Q12 Q12 1 2 ZD13 ZD13 R11 R11 R9 R9 1 AUD_R1 AUD_R1 1 3 2 Q1 Q1 2 3 1 J1 J1 R16 R16 C2 C2 C3 C3 R7 R7 Mode 4 Mute 5 VDD 6 DC Vol 7 GND 1 Right Dock 9 Right In 10 Beep In 11 Left In 12 Left Dock 13 GND 8 Left Out 15 Left Out 17 VDD 27 GND 14 HP Sense ...

Page 84: ...t of 1 1 Title Size Document Number Rev Date Sheet of 1 1 3 STEP C45 C45 1 OE1 OE1 1 GVON1 GVON1 R62 R62 1 STV1 STV1 1 POL1 POL1 1 P_VGH1 P_VGH1 1 ESTH1 ESTH1 L10 L10 A_G 2 A_D 6 B_G 5 B_S 4 A_S 1 B_D 3 Q8 Q8 C44 C44 1 VSD1 VSD1 R63 R63 C48 C48 R61 R61 L8 L8 1 VSA1 VSA1 1 STB1 STB1 R59 R59 L12 L12 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20...

Page 85: ...C58 1 3 2 Q10 Q10 C64 C64 1 GMA8 GMA8 1 3 2 QP19 QP19 1 VPREF1 VPREF1 R87 R87 GND 1 VO 3 3V 2 VI 5V 3 VO 3 3V 4 U8 U8 R75 R75 1 GMA1 GMA1 R94 R94 L14 L14 C70 C70 1 GMA7 GMA7 C68 C68 C62 C62 R99 R99 1 2 D13 D13 1 3 2 Q9 Q9 R102 R102 C69 C69 L17 L17 R92 R92 1 GMA6 GMA6 1 VCM1 VCM1 ADJ 1 Vout 2 Vin 3 Vout 4 U11 U11 C72 C72 Vout 1 GND 2 Vin 3 U6 U6 C65 C65 1 VCN1 VCN1 1 GMA4 GMA4 C59 C59 C76 C76 R101 ...

Page 86: ..._PWM1 TP 1 RESET1 RESET1 C94 C94 C122 C122 R129 R129 A15 3 A14 29 A13 28 A12 4 A11 25 A10 23 A9 26 A8 27 A7 5 A6 6 A5 7 A4 8 A3 9 A2 10 A1 11 A0 12 DQ7 21 DQ6 20 DQ5 19 DQ4 18 DQ3 17 DQ2 15 DQ1 14 DQ0 13 OE 24 WE 31 VCC 32 NC 1 GND 16 A16 2 NC A17 30 CE 22 U15 U15 C114 C114 C88 C88 C87 C87 TP 1 2_5V_PLL1 2_5V_PLL1 C110 C110 R106 R106 C120 C120 RED 150 RED 151 GREEN 146 GREEN 147 BLUE 142 BLUE 143 ...

Page 87: ... 3 2 D6 D6 1 2 3 D3 D3 R33 R33 1 3 2 D7 D7 R39 R39 C20 C20 R36 R36 C21 C21 1 2 ZD1 ZD1 1 3 2 D8 D8 DATA2 1 DATA2 2 DATA2 4_SHLD 3 DATA4 4 DATA4 5 DDC_CLK 6 DDC_DATA 7 A_VSYNC 8 DATA1 9 DATA1 10 DATA1 3_SHLD 11 DATA3 12 DATA3 13 5V 14 GND 15 H_PLUG_DET 16 DATA0 17 DATA0 18 DATA0 5_SHLD 19 DATA5 20 DATA5 21 CLK_SHLD 22 CLK 23 CLK 24 SHELL1 31 SHELL2 32 P1 P1 R38 R38 NC1 1 NC2 2 NC3 3 GND 4 SDA 5 SCL...

Page 88: ...5 C35 1A 1 1Y 2 2A 3 2Y 4 3A 5 3Y 6 GND 7 Vcc 14 6A 13 6Y 12 5A 11 5Y 10 4A 09 4Y 08 U4 U4 C25 C25 R46 R46 C24 C24 L6 L6 R56 R56 R55 R55 1 2 ZD10 ZD10 1 2 ZD11 ZD11 C36 C36 1 2 ZD7 ZD7 R45 R45 R52 R52 1 2 3 D12 D12 C32 C32 1 2 ZD6 ZD6 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 16 17 JP1 JP1 C28 C28 1 2 ZD5 ZD5 L7 L7 1 2 ZD4 ZD4 C23 C23 R44 R44 R53 R53 C26 C26 R47 R47 R54 R54 R43 R43 C29 C29 R50 R50 C40 C...

Page 89: ...tle Size Document Number Rev Date Sheet of 1 1 Title Size Document Number Rev Date Sheet of 1 1 Title Size Document Number Rev Date Sheet of 1 1 8 7 6 5 4 3 2 1 CN1 3273 008 10 CN1 3273 008 10 INVERTOR INPUT 86 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 90: ...umber Rev Date Sheet of 1 1 Title Size Document Number Rev Date Sheet of 1 1 7 8 5 3 1 2 4 6 RP47 RP47 1 3 2 Q6 Q6 A 1 B 2 C 3 D 4 D 5 C 6 B 7 A 8 CA CP34 CA CP34 7 8 5 3 1 2 4 6 4L LP7 4L LP7 7 8 5 3 1 2 4 6 RP46 RP46 R58 R58 1 3 2 Q3 Q3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN2 CN2 A 1 B 2 C 3 D 4 D 5 C 6 B 7 A 8 CA CP33 CA CP33 1 3 2 Q5 Q5 7 8 5 3 1 2 4 6 4L LP8 4L LP8 R57 R57 7 8 5 3 1 2 4 6 4L ...

Page 91: ...11 PCB Layout Diagrams 88 ViewSonic Corporation Confidential Do Not Copy VA912 b ...

Page 92: ...y 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 Spare Parts List 7 Recommended Spare Parts List Adjustment Procedure 2 Specification 5 4 Circuit Description 3 6 Troubleshooting Flow Chart Front Panel Function Control Description 9 Block Diagram 10 Schematic Diagrams 11 PCB Layout Diagrams Service Manual Content Service...

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