ViewSonic VP930-2 User Manual Download

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Model No.

S10725

”

Color

TFT LCD

Display

Service Manual

ViewSonic

VP930-2

ViewSonic

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

(

VP930-2_VP930b-2_SM

Rev. 1

a Mar. 2006

)

VP930b-2

Summary of Contents for VP930-2

Page 1: ...Model No VS10725 19 Color TFT LCD Display Service Manual ViewSonic VP930 2 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 VP930 2_VP930b 2_SM Rev 1a Mar 2006 VP930b 2 ...

Page 2: ...pecifically 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 with...

Page 3: ...eshooting 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 Layout Diagrams 1 5 10 17 18 30 35 43 50 51 57 ii ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 4: ...e 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 wat...

Page 5: ...CD 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 is s...

Page 6: ...nitor Do not touch the surface of the polarizer Surface of the LCD panel is pressed by fingers and that will probably cause Mura Take out the monitor with cushions Taking out the monitor by grasping the LCD panel That will probably cause Mura 3 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 7: ...pad Placing 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 4 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 8: ...igital 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 CI Compliant with Revision 1 0 Sync Compatibility Separate Sync Composite Sync SOG Video Compatibility Shall be compatible with all PC type computers Macintosh computers and after market video cards Resolution Compatibility 640 x 350 640 x 400 640 x 480 64...

Page 9: ...31 5 KHz Yes Yes DMT 3 640 x 400 70 Hz 31 5 KHz Yes Yes DMT 4 640 x 480 50 Hz 24 7 KHz Yes Yes DMT 5 640 x 480 60 Hz 31 5 KHz Yes Yes DMT 6 640 x 480 67 Hz 35 0 KHz Yes Yes For MAC 7 640 x 480 72 Hz 37 9 KHz Yes Yes DMT 8 640 x 480 75 Hz 37 5 KHz Yes Yes DMT 9 640 x 480 85 Hz 43 3 KHz Yes Yes DMT 10 640 x 870 75 Hz 68 9 KHz Yes Yes MAC 11 720 x 400 70 Hz 31 5 KHz Separate Only Yes DMT 12 720 x 480...

Page 10: ...1280 x 768 50 Hz 39 6 KHz Yes Yes DMT 32 1280 x 768 60 Hz 47 8 KHz Separate Only Yes DMT 33 1280 x 768 75 Hz 60 3 KHz Separate Only Yes DMT 34 1280 x 768 85 Hz 68 6 KHz Separate Only Yes DMT 35 1280 x 960 50 Hz 49 4 KHz Yes Yes DMT 36 1280 x 960 60 Hz 59 7 KHz Yes Yes DMT 37 1280 x 960 75 Hz 75 2 KHz Yes Yes DMT 38 1280 x 1024 50 Hz 52 7 KHz Yes Yes DMT 39 1280 x 1024 60 Hz 64 0 KHz Yes Yes DMT 40...

Page 11: ...nance Center CT 6500K Contrast Brightness Max 200 cd m2 Min after 30 minute warm up Brightness Uniformity 80 Typ 75 Min Contrast Ratio 1000 1 Typ 750 1 Min Color Depth 16 7 million colors 8 bit panel Horizontal Viewing Angle 170 degrees Typ 150 degrees Min CR 10 Vertical Viewing Angle 130 degrees Typ 110 degrees Min CR 10 Response Time GTG 10 90 Ta 25 C 8ms Avg 16ms Max Mercury 3 0 mg per lamp Pan...

Page 12: ...re 1 Ergonomics Tilt Up 20º Tilt Down From 0º down to 3º 5º Swivel Right 135º Swivel Left 135º Height Adjust 0 135 mm Pivot 0 90 degrees Clockwise Factory Defaults Item Defaults Item Defaults Contrast 70 Input Priority Auto Search Brightness 100 Resolution Notice Enabled Color Temperature 6500K Volume N A Sharpness 100 Balance N A OSD H Position 50 Treble N A OSD V Position 50 Bass N A OSD Time Ou...

Page 13: ...3 Front Panel Function Control Description 3 1 Location of Controls 10 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

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Page 19: ... 2 Toggle 720x400 and 640x400 mode when input 720x400 or 640x400 mode 1 Up Dn Auto White Balance Not shown on user s guide 1 Dn Power Lock 1 Up OSD Lock 1 Dn 2 Didable Theft Defence function Up PW Main Power On All reset No signal PW 2 Main Power on Burning mode Signal PW 2 Main Power on Factory Mode Remark All the short cuts function are only available while OSD off 16 ViewSonic Corporation Confi...

Page 20: ...y that is much higher than the signal source pixel rate This can preserve details in the video signal that ordinarily would be lost due to input signal jitter or bandwidth limitations in non oversampled systems The TSU66AJ also incorporates a new Dynamic Frame Rate DFR generator2 for the digital output video to the display panel that preserves the advantages of a fixed output clock rate while elim...

Page 21: ...5 Adjusting Procedure 18 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 22: ...ch LCD Monitor should be run in and warmed up for at least 30 minutes with the following conditions a In room temperature b With full white screen RGB and Black c With cycled display modes 640 480 H 43 27 kHz V 85Hz 800 600 H 53 7 kHz V 85Hz 1024 768 H 68 67 kHz V 85Hz 1280 1024 H 80 0KHz V 75Hz 19 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 23: ...7 800 x 600 60 Hz 37 9 KHz 18 800 x 600 72 Hz 48 1 KHz 19 800 x 600 75 Hz 46 9 KHz 20 800 x 600 85 Hz 53 7 KHz 21 832 x 624 75 Hz 49 7 KHz 22 1024 x 768 50 Hz 39 6 KHz 23 1024 x 768 60 Hz 48 4 KHz 24 1024 x 768 70 Hz 56 5 KHz 25 1024 x 768 72 Hz 58 1 KHz 26 1024 x 768 75 Hz 60 0 KHz 27 1024 x 768 75 Hz 60 2 KHz 28 1024 x 768 85 Hz 68 7 KHz 29 1152 x 864 75 Hz 67 5 KHz 30 1152 x 870 75 Hz 68 7 KHz ...

Page 24: ...ine Moiré Pattern Check and see if the image has noise and focus performs well Eliminate visual line bar If not readjust by the following steps a Select and enter Fine Tune function on Manual Image Adjust to adjust the image to eliminate visual wavy noise b Then select and enter Sharpness function to adjust the clarity and focus of the screen image 5 1 5 6 White Balance Test Signal 640 480 60Hz Te...

Page 25: ...75 85Hz 1152 864 75Hz 1152 870 75Hz 1280 720 50 60Hz 1280 768 50 60 75 85Hz 1280 960 50 60 75Hz 1280 1024 50 60 75Hz Normally when the primary mode 1280 1024 60Hz is well adjusted and compliant with the specification the secondary display modes will be great possible to be compliant with the spec But we still have to check with the general test pattern to make sure every secondary is compliant wit...

Page 26: ... side is male 15 pin D sub connecter B Connect the EDID cable from PC Printer port to monitor D sub connector C Make sure the monitor was working under power saving mode and keep it at Power Saving state during DDC process D Sub of Monitor 15pin VGA PC printer port 25pin connector EDID Kit Cable 23 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 27: ...you want Press 1 For year the cursor will move to the column behind Edit Year than you can key in the data you want after that press enter to exit and return It needs 4 numbers for this data Press 2 For week the cursor will move to the column behind Edit Week than you can key in the data you want after that press enter to exit and return This data is within 1 53 Press 3 For S N the cursor will mov...

Page 28: ... change the Week data by press key and the S N data by press key Press 3 DDC Writer Check Data The Kit will start to program new data of EDID into monitor all DDC data will display on the screen after programming Please refer to Fig DDC3 below the DDC process is finished Fig DDC3 Display updated serial number 25 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 29: ...first step Please refer to the Viewsonic EDID data format that was printing on ID label PPPYYWWxxxxx PPP Viewsonic Regional Product ID Code EX VE500 is 910 VE700 is A10 and VG900 is A1C YY 2 digits of Manufacturing year range 1996 2015 WW 2 digits of Manufacturing week range 01 54 xxxxx 5 digits of Sequence number range 00001 99999 26 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2...

Page 30: ...5 4 ISP procedure Connection of ＩSＰ Kit Using ISP cable connect PC Print port Using VGA cable connect monitor destination 27 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 31: ...3 Select MTV416M128 MCU type 4 Select CPU 5 MHz 5 Click Load MCU file and then find the updated firmware code 6 Click Create Security File going to next window 7 Select Command No 4 MTV Type CPU 5 Type MCU File Type Create Security File 28 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 32: ...2 ca Command 3 53 9 Click OK to start ISP function and update the firmware into Monitor 10 Firmware update is finished when the display backed to the window below 2 Input Value 1 Command No 3 OK 29 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 33: ...6 TROUBLE SHOOTING FLOW CHART Trouble Shooting 30 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

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Page 38: ... PARTS LIST VP930 2U Description Documentation Board Assembly Cabinets Cables ViewSonic Model Number VS10725 Rev 1A Serial No Prefix Q8H Item ECR ECN ViewSonic P N Ref P N Location Universal number Q ty 1 Accessories AC POWER CORD QACC 1126D8D SAMPO A 00005316 2427190002P P951 1 2 INVERTER BOARD RUNTP5655T8 INVERTER SAMPO B 00005310 2200501200P U901 1 3 POWER BOARD SMD RUNTP5654T8 POWER B SAMPO B ...

Page 39: ...4916T8 6P14 1 33 P 00005322 2012186700P POLYFOAMSPAKA6617T8F VP930B 6P20 1 34 N A 2063302400P PROTECTOR PISL 1351T8 VP930B 6P23 1 35 N A 2055170060P LABELVP930 2 VS10725 TCO03 6P50 1 36 M LB 0813 0002 2056603050P SERIAL LABEL VIEWSONIC LCD SERIAL LABEL 6P51 1 37 M LB 0813 0528 2055103400P LABELJK0936F WEN 6P52 1 38 N A 2013054030P POLYETHY BAG VP930 LCD BAG SSAKH1356D8 T B 6P60 1 39 N A 2438570011...

Page 40: ...BZ4916T8 6P14 1 33 P 00005322 2012186700P POLYFOAM SPAKA6617T8F VP930B 6P20 1 34 N A 2063302400P PROTECTOR PISL 1351T8 VP930B 6P23 1 35 N A 2055170034P LABEL VP930b SET LABEL TLABM4485T8 6P50 1 36 N A 2056670001P SERIAL LABEL VP930 SN LABEL TLAB 5523D8 6P51 1 37 N A 2013054030P POLYETHY BAG VP930 LCD BAG SSAKH1356D8 T B 6P60 1 38 DC 00005308 2438570006P CD OWNER GUIDE VP930 CD DDSKC0058T8 6P80 1 3...

Page 41: ...39 56 38 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 Model Title Date Rev ViewSonic Corporation 8 Exploded Diagram And Spare Parts List ...

Page 42: ...P5654T8 POWER BOARD 1 11 C 00004133 GCABB1883T8F CAB B 1 12 N A LANGF2194T8 A VESA FIX 4 13 M 00003927 PCUSG1671T8 RUBBER 1 14 C 00004126 GCOVD2626T8F BACK COVER 1 15 N A PCUSG1674T8 RUBBER 1 16 B 00004101 DPWBN5718T8V I F BOARD 1 17 N A PCUSG1651T8 BUBBER 1 18 B 00004102 RUNTP5663T8 INVERTER BOARD 1 19 N A PISLV0262T8 DECORATION MYLAR 1 20 N A PCUSG1395D8 SPONGE 3 21 N A PCUS 1443T8 A VESA METAL ...

Page 43: ...T8 POWER BOARD 1 11 C 00004140 GCABB1883T8F B CAB B 1 12 N A LANGF2194T8 A VESA FIX 4 13 M 00003927 PCUSG1671T8 RUBBER 1 14 C 00004104 GCOVD2626T8F B BACK COVER 1 15 N A PCUSG1674T8 RUBBER 1 16 B 00004101 DPWBN5718T8V I F BOARD 1 17 N A PCUSG1651T8 BUBBER 1 18 B 00004102 RUNTP5663T8 INVERTER BOARD 1 19 N A PISLV0262T8 DECORATION MYLAR 1 20 N A PCUSG1395D8 SPONGE 3 21 N A PCUS 1443T8 A VESA METAL U...

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Page 45: ...PE bag and seal the bag with tape Figure 2 Figure 1 Figure 2 1 3Put the cushions on the monitor Figure 3 1 4Place the monitor into the carton and then put all the accessories into the carton At last The carton and seal it with tape Figure 4 Figure 3 Figure 4 42 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 46: ...sassembly Lie down the monitor on flat table Remove Back cover and Stand by 4 screw Remove CAB B Take out 4 screw Take off D sub 6 screws 43 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 47: ...Remove the power board by 3 screws Remove the Inverter board by 2 screws Remove the I F board by 2 screws 44 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 48: ...9 Block Diagram 45 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

Page 49: ...10 Schematic Diagram 46 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

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Page 55: ...11 PCB Layout Diagrams IF board 52 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

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Page 58: ...Key board 55 ViewSonic Corporation Confidential Do Not Copy VP930 2_VP930b 2 ...

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Page 60: ... Chart 7 Recommended Spare Parts List 8 Exploded Diagram and Exploded Parts List 9 Block Diagrams 10 Schematic Diagrams 11 PCB Layout Diagrams B Are you satisfied with this Service Manual Item Excellent Good Fair Bad 1 Service Manual Content 2 Service Manual Layout 3 The form and listing C Do you have any other opinions or suggestions regarding this service manual Reader s basic dada Name Title Co...

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