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ViewSonic VA1703w-1 

VA1703wb-1 

Model No. VS11534 

17” Color TFT LCD 

Display 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

(VA1703w-1_VA1703wb-1_SM Rev. 1a Nov. 2006) 

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

 

Service Manual 

Summary of Contents for VA1703w-1

Page 1: ...ViewSonic VA1703w 1 VA1703wb 1 Model No VS11534 17 Color TFT LCD Display VA1703w 1_VA1703wb 1_SM Rev 1a Nov 2006 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Service Manual...

Page 2: ...her expressed or implied with respect to the contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to re...

Page 3: ...ety Notices 1 2 Specification 4 3 Front Panel Function Control Description 12 4 Circuit Description 18 5 Adjustment Procedure 19 6 Troubleshooting Flow Chart 37 7 Block Diagram 39 8 Schematic Diagrams...

Page 4: ...lace in direct sunlight 1 2 Caution No modification of any circuit should be attempted Service work should only be performed after you are thoroughly familiar with all of the following safety checks a...

Page 5: ...the TFT Module 11 After installation of the TFT Module into an enclosure LCD monitor housing for example do not twist nor bend the TFT Module even momentary At designing the enclosure it should be ta...

Page 6: ...nitor by grasping the LCD panel That may cause Mura 2 Only touch the metal frame of the LCD panel or the front cover of the monitor Do not touch the surface of the polarizer 2 Surface of the LCD panel...

Page 7: ...ble refer the Appendix A DVI D Cable 1 8m black with PC 2001 No Audio Cable 1 8m black with PC 2001 NO MIC Cable 1 8m black with PC 2001 No USB Cable V2 0 No ViewSonic CD Wizard ViewSonic Quick Start...

Page 8: ...f the monitor for five minutes Video Cable Connector Pin out Refer to Appendix A Compliant DDC 2B Video Signals Video RGB Analog Separate Sync Video Impedance 75 Ohms Analog Maximum PC Video Signal 95...

Page 9: ...tage input frequency and operating temperature Power Supply Transient Immunity Shall be able to withstand an ANSI IEEE C62 41 1980 6000V 200 ampere ring wave transient test with no damage Power Supply...

Page 10: ...KHz DMT 16 832 x 624 75 Hz 49 7 KHz MAC 17 1024 x 768 50 Hz 39 6 KHz 18 1024 x 768 60 Hz 48 4 KHz DMT 19 1024 x 768 70 Hz 56 5 KHz DMT 21 1024 x 768 75 Hz 60 KHz DMT 23 1152 x 864 75 Hz 67 5 KHz DMT...

Page 11: ...Life 40000 Hrs Typ 7 5mA 250 cd m2 Typ after 30 minute warm up 8 0mA Luminance Center CT 6500K Contrast Brightness Max 200 cd m2 Min after 30 minute warm up 8 0mA Brightness Uniformity 13 points 75 T...

Page 12: ...TFT LCD PANEL Lv Def Condition Brightness Contrast 100 Color Temperature 6500K sRGB Lv Def Lv Max x 100 93 Lv sRGB 6500K Condition Brightness Contrast Default CCT 6500K sRGB Lv sRGB 6500K Lv Max x 10...

Page 13: ...s 100 Test pattern 6gray 12 16 LEVEL SATURATION Preset Color Temperatures sRGB It should meet IEC 61966 2 1 1999 10 standard CCT typ 9300K u CCT 0 1888 v CCT 0 4457 CCT max 10250K CCT min 8500K Preset...

Page 14: ...e bottom 374 9mm 14 75 inch Depth 210 17mm 8 27 inch Monitor Weight 3 7 Kg 8 2 lbs Refer to Figure 1 Dimension Head Only Wall Mount Width 406 7 mm 16 01 inch Height 293 3mm 11 54 inch Depth 63mm 2 48...

Page 15: ...tton 1 and Button 2 must be one shot logic operation i e there should be no cycling Reaction Time OSD must fully appear within 0 5s after pushing Button 1 3 2 Short Cuts Function from the button s 1 M...

Page 16: ...button is locked If the user presses the power button while it is locked a message will appear on the screen for 3 seconds showing Power Button Locked It also means that with the power button locked t...

Page 17: ...ion Actions 1 Execute Auto Image Adjust when new mode detected and save the settings to buffer for further use 2 It should be reset by Memory Recall function Should not reset by power off power unplug...

Page 18: ...and Clock adjust REMARK There may need to select Manual Image Adjust to optimized Performance for various VGA tolerance Contrast Brightness To adjust the Contrast of the video and the backlight curre...

Page 19: ...adjust the delay time of data and clock Sharpness To select the picture sharpness of display REMARK This function is available under Native Resolution Mode Setup Menu Language Select To select one of...

Page 20: ...nic Corporation Confidential Do Not Copy VA1703w 1_VA1703wb 1 Memory Recall Restore default settings of Clock H V Position Fine Tune Contrast Brightness Color temperature OSD position OSD timeout and...

Page 21: ...ge The HSYNC input receives a logic signal and provides the frequency reference for pixel clock generation The scaling IC is to converts the input signal ranging from VGA to WXGA 4 3 General descripti...

Page 22: ...800 600 H 46 9kHz V 75Hz 1024 768 H 60kHz V 75Hz 1280 768 H 60 3kHz V 75Hz 1280 1024 H 80kHz V 75Hz 1440 900 H 70 6kHz V 75Hz Test Display Modes Pattern Analog 1 640 x 480 60Hz 31 5kHz 2 640 x 480 62...

Page 23: ...e adjustable to be within the screen frame Figure 3 4 RGB Color Performance RGB Color Intensities Contrast of each R G B color should be normal Figure 4 5 6 5 Screen Uniformity Flicker Full White Shou...

Page 24: ...ViewSonic Corporation Confidential Do Not Copy VA1703w 1_VA1703wb 1 G Color Pattern Figure5 B Color Pattern Figure 6 Full White Patter Figure 7 Dark Screen Pattern Figure 8 Black White Pattern Figure...

Page 25: ...ine Tune and Sharpness Test Signal 1440x900 60Hz Test Pattern Line Moire Pattern Check and see if the image has noise and focus performs well Eliminate visual line bar If not readjust by the following...

Page 26: ...compliant with the spec Mura Test Pattern White RGB Black Grey Test Tool 8 ND Filter Check if the Mura can pass 8 ND Filter Check for Secondary Display Modes Test Signal Analog 640x350 70Hz 640x480 6...

Page 27: ...is the latest If not please do the following procedures to upgrade it to the latest version 5 3 1 Equipment Needed VA1703w wb 1 Monitor Fixture for Firmware Upgrade VGA Cable PC Personal Computer ISP...

Page 28: ...odel 2 Check Firmware version Factory Mode a Hold on 2 with signal hold for 3 seconds into the factory mode b Press key exit factory mode 3 Update final firmware version Refer to Chapter 5 3 4 Example...

Page 29: ...ge Main Board Version update 1 Check Monitor model 2 Check Firmware version Factory Mode a Hold on 2 with signal hold for 3 seconds into the factory mode b Press key exit factory mode 3 Change scaler...

Page 30: ...SP function 1 Enforce Mstar ISP_Tool program 2 After Enforcing Mstar ISP_Tool Program open Utility Window 3 Enforce Mstar ISP Utility Window s Connect function and Device Type s Dialog window will be...

Page 31: ...b 1 5 Choose the path and the file of Binary code VA1703w wb 1 follows the same procedure 6 Choose the path and file of Binary code and Program Bin Ready Dialog window will be opened then press Sure o...

Page 32: ...dential Do Not Copy VA1703w 1_VA1703wb 1 8 Enforce Mstar ISP Utility window Run and write in the data 9 After writing in the data Enforce Dis Connect function of Mstar ISP Utility window and the burn...

Page 33: ...DDC key in 2 If you find the DDC does not conform to the monitor you have to do the DDC key in Equipment Needed VA1703w wb 1 Series Monitor DDC Card PC RS232 cable VGA Cable or DVI Cable DDC Card D83...

Page 34: ...1_VA1703wb 1 Step 2 Modify the column of Week of Manufacture and Year of Manufacture and ID serial Number then press 2B button for changing serial number data Example VX1935wm VA1703w wb 1 follows the...

Page 35: ...Figure 1 2 Figure 1 Figure 2 Put the cushions on the monitor Put all accessories in the PE bag Figure 3 Figure 4 Figure 3 Figure 4 Place the monitor into the carton and then put all the accessories i...

Page 36: ...onfidential Do Not Copy VA1703w 1_VA1703wb 1 5 4 2 Disassembly Procedure 1 Remove the base 2 Remove the hinge cover 3 Hinge Cover 4 Unfasten 4 pcs of screws to remove base 5 Base Set 6 Unfasten 7 pcs...

Page 37: ...opy VA1703w 1_VA1703wb 1 7 Separate the Cover from the bottom of the Housing by using a Flat tool to remove back cover 10 Tear off the tape and disconnect the cable of Main board 11 Unfasten 6 pcs of...

Page 38: ...1_VA1703wb 1 12 Hinge Bracket 13 Disconnect the cable of Panel 14 Unfasten 4 pcs of screws with Shielding 15 Unfasten 9 pcs of screws to remove P I board and Main board 16 P I Board Main Board Panel...

Page 39: ...Tear off the AL foil tape and unfasten 2 pcs of screws to remove Key board 19 Key Board Key cable 20 Pull and open the fixed support to remove Front Bezel 21 Bezel 22 Unfasten 2 pcs of screws to remo...

Page 40: ...nected properly Change P I board ps YES NO Please reconnect power cable NO DISPLAY Please check if signal cable is connected properly Change Panel Please reconnect signal cable YES NO Display Panel ha...

Page 41: ...Q6 ps P I board Power Inverter board Display panel have block bar Please change Panel Display panel with missing color Please check signal cable if connected properly and check all pins are good witho...

Page 42: ...39 ViewSonic Corporation Confidential Do Not Copy VA1703w 1_VA1703wb 1 7 Block Diagram...

Page 43: ...DCD_SDA DDCD_SCL DVI5V PC5V VCC3 3 5V 2 AUDIO 5V 12V AUDIO_MUTE AUDIO_STBY Volome SPR SPL 6 PANEL INTERFACE VLCD PA 0 7 PA 8 13 ESP OSP PA 14 19 PB 0 5 PB 6 11 PB 12 23 GPO 0 4 5 SCALER VCC1 8 PA 8 13...

Page 44: ...4 VOUT VIN VSS TAB C14 0 1u C27 NC 1uF 16V D3 NC 1N4148 Q2 MMBT3904 C B E C26 10uF 16V C17 1uF Q6 MMBT3904 C B E H1 TP 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 R37 NC 100 R21 4K7 H3 TP 1 2 3 4 5 6 7 8 9 1...

Page 45: ...1 16W R66 10 1 16W C57 NC 0 1uf C42 0 1uF R60 0 1 16W C29 0 047uF D5 BAV99 3 1 2 D9 NC MLL5232B 5 6V R41 470 1 16W D14 BAV99 3 1 2 C31 0 047uF R72 10K C41 NC 0 1uF D20 BAV99 3 1 2 R69 10 1 16W R65 10...

Page 46: ...8 99 93 94 91 92 89 90 9 10 15 16 17 18 2 3 5 6 7 8 128 1 80 81 88 87 86 85 84 83 82 25 26 75 74 52 34 4 95 103 115 117 60 13 RIN0P GIN0P SOGIN0 BIN0P RIN0N GIN0N BIN0N HSYNC0 VSYNC0 REXT REFP REFM SD...

Page 47: ...1 LVB1M CLKAP PB12 GA1P PA8 PA12 LVA3P GA1N PA9 RXE2 LVA2P RXE3 LVA3M PB 12 23 LVA1M PA5 PA13 LVA3M LVA2M PA3 PA2 LVA2P PB20 LVB0P GA3N PA13 RXO2 LVB2P LVB3M PB13 RXOC LVBCKP LVB2M RXO2 LVB2M PB17 GA2...

Page 48: ...K F 1 1 2 2 VAR100 TVR10681 1 2 3 CN6 CY101 330p 250V CY100 330p 250V CX100 0 22u 275V CX101 0 22u 275V F101 3 15A 250V R136 3 9K J R134 4 7K F 1 2 3 4 5 6 7 8 U105 TEA1530AT R137 0 24R 1W C114 0 22u...

Page 49: ...R302 NC FB300 0 2A 300R 100MHZ FB301 0 2A 300R 100MHZ C302 221PK 50V C303 221PK 50V C304 104P 50V R310 10K F R308 10K F R309 10K F R307 NC R305 1K F R306 NC Q300 NC C309474K 16V C310474K 16V A 1 B 2 C...

Page 50: ...2 4148 D210 4148 C226 0 47u 16V R232 470K R205 100K IC VCC C228 2200p 50V R226 15K OP1 C229 2200p 50V R227 15K OP2 R223 3 3K C213 6800p 50V D202 BAV99 C216 5p 3KV C214 6800p 50V D204 BAV99 C217 5p 3KV...

Page 51: ...48 ViewSonic Corporation Confidential Do Not Copy VA1703w 1_VA1703wb 1 9 PCB Layout Diagrams Model Title Date Rev ViewSonic Corporation...

Page 52: ...49 ViewSonic Corporation Confidential Do Not Copy VA1703w 1_VA1703wb 1 Model Title Date Rev ViewSonic Corporation...

Page 53: ...50 ViewSonic Corporation Confidential Do Not Copy VA1703w 1_VA1703wb 1 Model Title Date Rev ViewSonic Corporation...

Page 54: ...51 ViewSonic Corporation Confidential Do Not Copy VA1703w 1_VA1703wb 1...

Page 55: ...52 ViewSonic Corporation Confidential Do Not Copy VA1703w 1_VA1703wb 1 10 Exploded Diagram and Exploded Parts List...

Page 56: ...N A 52 5W273001G000 POWER INVERTER 2Lamp 8 0mA 32W FSP 1 24 B 00008234 70 V7030102G500 VA1703 MB AL NA ASS Y Sirtec 1 EXPLODED PARTS LIST VA1703WB 1 ViewSonic Model Number VS11534 Rev 1a Serial No Pr...

Page 57: ...11 10 9 8 7 6 5 4 3 2 1 54 ViewSonic Corporation Confidential Do Not Copy VA1703w 1_VA1703wb 1...

Page 58: ...10 DC 00008004 62 07000013G000 8ms sticker 1 11 N A 62 06000003G000 BARCODE LABEL 76 2 76 2MM 1 PACKING PART LIST VA1703WB 1 1 ViewSonic Model Number VS11534 Rev 1a Item ViewSonic P N Ref P N Locatio...

Page 59: ...ser Guide Quick Start CD China DC 00008196 72 01170302G001 18 Packing Assy User Guide Quick Start CD DC 00008197 72 01170303G000 19 Packing Assy User Guide Quick Start CD USA DC 00008198 72 01170301G0...

Page 60: ...ck Start CD USA DC 00008198 72 01170301G000 20 Electronic 17 W Wide Format 8ms LCD Module E 00008169 170MGW1 A00 21 Miscellaneous Logo Brand Bird Logo AL PC M 00008082 42 04260010G000 22 PE BAG 225 40...

Page 61: ...2000017G000 VA903b Quick Start Taiwan 1 35 N A 62 02000034G000 VA903b Quick Start made in China 1 36 N A 04 1V703A00G000 EDID VA1703wb 170MGW1A00 EDID A 1 37 N A 40 01010096G000 VA1703w BEZEL ABS HB S...

Page 62: ...Button Power PC Transparent 2nd 1 109 N A 41 03010070G000 VA1703 WALL MOUNT BRACKET SECC 4 110 N A 62 02000019G000 VA903b Base Guide 2 111 N A 06 V7031100G000 Bin Code VA1703wb AL 170MGW1A00R30 0 1 11...

Page 63: ...2nd 1 186 N A 40 03010048G000 VA1703 Button Value ABS Silver 1 187 CB 00008001 33 00090501G000 CABLE SIGNAL D 15P 15P M 1800MM 1 188 CB 00008097 33 R3910501G000 CABLE SIGNAL D 15P 15P M 1800MM JHEN V...

Page 64: ...0030G100 VA1703w Base ABS HB Black 2nd 1 261 N A 40 06010030G110 VA1703wb Base ABS HB Midnight Gray 2nd 1 262 N A 40 06010030G010 VA1703wb Base ABS HB Midnight Gray 1 263 PL 00008073 40 06010030G100 V...

Page 65: ...C Sub Assy Midnight Gray 2nd 1 337 N A 45 02A17001G000 VA1703w Backcover sub assy black 1 338 C 00008243 45 02A17001G100 VA1703w Backcover Sub Assy Black 2nd 1 339 N A 45 02A17002G100 VA1703wb B C Su...

Page 66: ...4 416 DC 00008197 72 01170303G000 VA1703 Taiwan Packing assy 1 417 N A 72 01170303G001 VA1703 Taiwan Packing Assy made in China 1 418 DC 00008197 72 01170303G000 VA1703 Taiwan Packing assy 1 419 N A...

Page 67: ...72 01170302G001 VA1703 China Packing Assy made in China 1 461 N A 72 01170302G000 VA1703 China Packing Assy 1 462 DC 00008196 72 01170302G001 VA1703 China Packing Assy made in China 1 463 N A 72 01170...

Page 68: ...hina 1 36 N A 60 01000098G000 VA1703wb Carton made in Taiwan 1 37 B 00008235 52 5W273003G000 POWER INVERTER 2Lamp 8 0mA 32W DELTA 1 38 N A 52 5W273001G000 POWER INVERTER 2Lamp 8 0mA 32W FSP 1 39 C 000...

Page 69: ...20 83401000G000 TR P MOS 30V 4 2A AO3401 L TO 236 SOT 2 1 107 N A 20 53906000G100 TR PNP CH3906PT SOT 23 2 108 N A 20 43904000G100 NPN Transistors CH3904PT SOT 23 4 109 N A 20 199PT000G100 Switching...

Page 70: ...4 Circuit Description 5 Adjustment Procedure 6 Troubleshooting Flow Chart 7 Block Diagrams 8 Schematic Diagrams 9 PCB Layout Diagrams 10 Exploded Diagram and Exploded Parts List 11 Recommended Spare...

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